Готові списки джерел за темами / Clinal pattern

Добірка наукової літератури з теми "Clinal pattern"

Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 28 січня 2023

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Статті в журналах з теми "Clinal pattern"

1

UMINA, PAUL A., ARY A. HOFFMANN, ANDREW R. WEEKS та STEPHEN W. MCKECHNIE. "An independent non-linear latitudinal cline for the sn-glycerol-3-phosphate (α-Gpdh) polymorphism of Drosophila melanogaster from eastern Australia". Genetical Research 87, № 1 (лютий 2006): 13–21. http://dx.doi.org/10.1017/s0016672306007919.

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Latitudinal variation of the polymorphic sn-glycerol-3-phosphate (α-Gpdh) locus in Drosophila melanogaster has been characterized on several continents; however, apparent clinal patterns are potentially confounded by linkage with an inversion, close associations with other genetic markers that vary clinally, and a tandem α-Gpdh pseudogene. Here we compare clinal patterns in α-Gpdh with those of other linked markers by testing field flies from eastern Australian locations collected in two separate years. The α-Gpdh variation exhibited a consistent non-linear cline reflecting an increase in the α-GpdhF allele at extreme latitudes. This pattern was not influenced by the In(2L)t inversion wherein this locus is located, nor was it influenced by the presence of the α-Gpdh pseudogene, whose presence was ubiquitous and highly variable among populations. The α-Gpdh pattern was also independent of a cline in allozyme frequencies at the alcohol dehydrogenase (Adh) locus, and two length polymorphisms in the Adh gene. These results suggest clinal selection at the α-Gpdh locus that is partially or wholly unrelated to linear climatic gradients along the eastern coast of Australia.
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2

Boussy, Ian A. "A latitudinal cline in P–M gonadal dysgenesis potential in Australian Drosophila melanogaster populations." Genetical Research 49, no. 1 (February 1987): 11–18. http://dx.doi.org/10.1017/s0016672300026677.

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SummaryIsofemale lines of Drosophila melanogaster from six localities along the east coast of Australia, spanning 2900 km and 26 degrees of latitude, were assayed for their gonadal dysgenesis characteristics in the P–M system of hybrid dysgenesis. A strong clinal pattern with latitude was discovered. From north to south, the first two populations were typical strong P populations, and the next population was moderate P. The next population to the south was neutral (Q), with some weak P and weak M characteristics. The two southernmost populations were typical M populations. Much variance in P activity in P populations and in susceptibility to P activity in M populations was detected among isofemale lines. This clinal pattern with latitude of the P–M system is paralleled by similar clinal patterns for frequencies of common cosmopolitan inversions and of certain allozymes in Australia. A model of introductions of flies with different characteristics in the north and south could account for the P–M clinal pattern, but cannot account for an intermediate Q population, nor establish the inversion and isoenzyme dines at the same time. Current models of transposable element population dynamics are limited to single population dynamics, and are therefore inadequate for these clinal data.
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3

Prentice, Honor C. "Analysis of the clinal variation pattern inSilene latifolia (Caryophyllaceae) pollen morphology." Plant Systematics and Evolution 156, no. 1-2 (1987): 5–11. http://dx.doi.org/10.1007/bf00937197.

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4

HALLAS, REBECCA, MICHELE SCHIFFER, and ARY A. HOFFMANN. "Clinal variation in Drosophila serrata for stress resistance and body size." Genetical Research 79, no. 2 (April 2002): 141–48. http://dx.doi.org/10.1017/s0016672301005523.

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Clines for size and stress resistance traits have been described for several Drosophila species and replicable clines across different species may indicate climatic selection. Here we consider clines in stress resistance traits in an Australian endemic species, D. serrata, by comparing levels of variation within and among isofemale lines initiated with flies collected from the eastern coast of Australia. We also consider clinal variation in chill coma recovery, a trait that has recently been shown to exhibit high levels of variation among Drosophila species. Patterns were compared with those in the cosmopolitan species D. melanogaster from the same area. Both desiccation and starvation resistance showed no clinal pattern despite heritable variation among isofemale lines. In contrast chill coma resistance exhibited a linear cline in the anticipated direction, resistance increasing with latitude. Body size was measured as wing length and body weight. Both traits showed geographic variation and strong non-linear clines with a sharp reduction in size in the tropics. These results are discussed in the context of climatic selection and evolutionary processes limiting species borders.
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5

Pigliucci, M., S. Benedettelli, and F. Villani. "Spatial patterns of genetic variability in Italian chestnut (Castanea sativa)." Canadian Journal of Botany 68, no. 9 (September 1, 1990): 1962–67. http://dx.doi.org/10.1139/b90-258.

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The spatial patterns of genetic variation for 15 loci in 18 Italian populations of chestnut were analyzed. Multivariate analysis and spatial autocorrelation analysis showed two clinal variations, one in a west–east direction, the other in a north–south direction. There was a nonrandom spatial pattern of at least three alleles and a marked heterogeneity among populations of many others. An explanation is proposed in terms of migration flow for the majority of the polymorphisms and of selection for the three autocorrelated alleles. However, anthropic interferences may also be important. Key words: chestnut, electrophoresis, spatial autocorrelation, correspondence analysis, genetic boundaries, discriminant analysis.
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6

Berry, A., and M. Kreitman. "Molecular analysis of an allozyme cline: alcohol dehydrogenase in Drosophila melanogaster on the east coast of North America." Genetics 134, no. 3 (July 1, 1993): 869–93. http://dx.doi.org/10.1093/genetics/134.3.869.

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Abstract Clines may either be selectively maintained or be the by-product of nonadaptive processes related to population structure and history. Drosophila melanogaster populations on the east coast of North America show a latitudinal cline in the frequencies of two common electrophoretically distinguishable alleles at the alcohol dehydrogenase locus (Adh), designated Adh-S and Adh-F. This cline may either be adaptive or an artifact of a possible recent dual founding of North American D. melanogaster populations in which frequencies of Adh alleles differed between founder populations. By means of a high resolution restriction-mapping technique, we studied the distribution of 113 haplotypes derived from 44 polymorphic DNA markers within the Adh region in 1533 individuals from 25 populations throughout the cline. We found significant clinal differentiation at the polymorphism determining the mobility-difference causing amino acid replacement between Adh-F and Adh-S alleles. Hitchhiking was limited, despite extensive linkage disequilibrium, and other sites did not vary clinally. Such a pattern of differentiation implies that selection is responsible for the cline. To investigate whether selection acts only on the Adh-F/S site, we performed a "selective equivalence" test under the assumption that all variability within the specified allelic class is selectively neutral. This revealed selective equivalence among Adh-S-bearing haplotypes, whose frequencies showed no differentiation throughout the cline, implying high levels of frequency-homogenizing gene flow. Geographical heterogeneity among Adh-F-bearing haplotypes implied the action of selection on one or more additional variants in linkage disequilibrium with Adh-F. In a further study of a subset of the data (n = 1076 from 18 populations), we found a combined insertion/deletion polymorphism, designated delta 1, located in the 5' adult intron and in linkage disequilibrium with Adh-F, to show more marked clinal variation than Adh-F/S. Although the unequivocal identification of the precise target(s) of selection requires further study, we suggest that clinal selection may be acting epistatically on the Adh-F/S and delta 1 polymorphisms.
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7

Umina, P. A. "A Rapid Shift in a Classic Clinal Pattern in Drosophila Reflecting Climate Change." Science 308, no. 5722 (April 29, 2005): 691–93. http://dx.doi.org/10.1126/science.1109523.

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8

Bridle, Jon R., Sedef Gavaz, and W. Jason Kennington. "Testing limits to adaptation along altitudinal gradients in rainforest Drosophila." Proceedings of the Royal Society B: Biological Sciences 276, no. 1661 (February 25, 2009): 1507–15. http://dx.doi.org/10.1098/rspb.2008.1601.

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Given that evolution can generate rapid and dramatic shifts in the ecological tolerance of a species, what prevents populations adapting to expand into new habitat at the edge of their distributions? Recent population genetic models have focused on the relative costs and benefits of migration between populations. On the one hand, migration may limit adaptive divergence by preventing local populations from matching their local selective optima. On the other hand, migration may also contribute to the genetic variance necessary to allow populations to track these changing optima. Empirical evidence for these contrasting effects of gene flow in natural situations are lacking, largely because it remains difficult to acquire. Here, we develop a way to explore theoretical models by estimating genetic divergence in traits that confer stress resistance along similar ecological gradients in rainforest Drosophila . This approach allows testing for the coupling of clinal divergence with local density, and the effects of genetic variance and the rate of change of the optimum on the response to selection. In support of a swamping effect of migration on phenotypic divergence, our data show no evidence for a cline in stress-related traits where the altitudinal gradient is steep, but significant clinal divergence where it is shallow. However, where clinal divergence is detected, sites showing trait means closer to the presumed local optimum have more genetic variation than sites with trait means distant from their local optimum. This pattern suggests that gene flow also aids a sustained response to selection.
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9

Silva, Gonçalo, Fernando P. Lima, Paulo Martel, and Rita Castilho. "Thermal adaptation and clinal mitochondrial DNA variation of European anchovy." Proceedings of the Royal Society B: Biological Sciences 281, no. 1792 (October 7, 2014): 20141093. http://dx.doi.org/10.1098/rspb.2014.1093.

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Natural populations of widely distributed organisms often exhibit genetic clinal variation over their geographical ranges. The European anchovy, Engraulis encrasicolus , illustrates this by displaying a two-clade mitochondrial structure clinally arranged along the eastern Atlantic. One clade has low frequencies at higher latitudes, whereas the other has an anti-tropical distribution, with frequencies decreasing towards the tropics. The distribution pattern of these clades has been explained as a consequence of secondary contact after an ancient geographical isolation. However, it is not unlikely that selection acts on mitochondria whose genes are involved in relevant oxidative phosphorylation processes. In this study, we performed selection tests on a fragment of 1044 bp of the mitochondrial cytochrome b gene using 455 individuals from 18 locations. We also tested correlations of six environmental features: temperature, salinity, apparent oxygen utilization and nutrient concentrations of phosphate, nitrate and silicate, on a compilation of mitochondrial clade frequencies from 66 sampling sites comprising 2776 specimens from previously published studies. Positive selection in a single codon was detected predominantly (99%) in the anti-tropical clade and temperature was the most relevant environmental predictor, contributing with 59% of the variance in the geographical distribution of clade frequencies. These findings strongly suggest that temperature is shaping the contemporary distribution of mitochondrial DNA clade frequencies in the European anchovy.
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10

RISCH, SARAH, and JOS SNOEKS. "Geographic variation in Neolamprologus niger (Poll, 1956) (Perciformes: Cichlidae) from Lake Tanganyika (Africa)." Zootaxa 1857, no. 1 (August 27, 2008): 21. http://dx.doi.org/10.11646/zootaxa.1857.1.2.

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Intraspecific morphological variation in Neolamprologus niger from seven localities along the north-western shoreline of Lake Tanganyika (Luhanga, Bemba, Ubwari West, Ubwari East, Yungu, Kabimba and Kalemie) was investigated. As a result of geographical variation, the populations could be categorized into a northern, a central and a southern group. A clear clinal pattern was found for several meristics and measurements. The lack of knowledge on the geographical variation in African cichlids and its implication for further taxonomic research is discussed.
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Дисертації з теми "Clinal pattern"

1

Yan, Wing-fai. "Eye movement measurement for clinical applications using pattern recognition /." [Hong Kong : University of Hong Kong], 1988. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12434024.

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2

甄榮輝 and Wing-fai Yan. "Eye movement measurement for clinical applications using pattern recognition." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1988. http://hub.hku.hk/bib/B31209026.

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3

Coker, S. "Eating patterns in normal and clinical populations." Thesis, University of York, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377282.

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4

Tao, Man-wai Angelina, and 堵敏慧. "Clinical and cognitive correlate of gaze pattern in early psychosis." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/192974.

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Lack of eye contact is one of the key clinical observations in schizophrenia. Sixteen schizophrenic patients and sixteen control subjects participated in our study of eye gazing. Frequencies of eye contact of both groups were measured in a role-play test which is closer to a natural environment. Autistic traits of both groups were measured using the Autism Quotient Questionnaire. We hypothesized that patients’ frequencies of eye contact were fewer than control subjects. We anticipated that patient group would score high in AQ. Furthermore, we examined the relationship between frequency of eye contact and cognitive functioning and symptomatology. Lastly, the study also examined the relationship between frequency of eye contact and autistic traits. Result showed that patients’ eye contact were significantly fewer than control group. Patients’ overall cognitive functioning was not as good as control group. In addition, schizophrenic patients scored significantly higher than control group in the Autism Quotient Questionnaire; autistic traits were found in schizophrenia patients. There was no relationship between frequency of eye contact and cognitive functioning. Nonetheless, negative correlation was found between frequency of eye contact and Digital symbol. More eye contact was associated with lower Digital symbol score. No relationship was found between frequency of eye contact and Autism quotient. Lastly, a trend correlation was found between frequency of eye contact and PANSS negative score; more eye contact was associated with higher PANSS negative score.
published_or_final_version
Psychological Medicine
Master
Master of Psychological Medicine
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5

Higgins, Katherine L. "Anxiety Sensitivity and Relationship Patterns." W&M ScholarWorks, 2003. https://scholarworks.wm.edu/etd/1539626421.

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6

Pansari, Abdul Latief. "Lifestyle and coronary prone behaviour pattern (Type A) in university administrators." Master's thesis, University of Cape Town, 1985. http://hdl.handle.net/11427/17020.

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Bibliography: pages 87-96.
The prevalence of Type A behaviour pattern and its relationship to specific lifestyle factors were investigated in 180 male university administrators aged 25 to 65. One hundred and twenty respondents were Afrikaans speaking; 60 were English speaking. All respondents were volunteers and were recruited from 16 different universities in South Africa. Information on lifestyles were obtained by questionnaires. Type A behaviour pattern was assessed using the Jenkins Activity survey. The Afrikaans group obtained significantly higher Type A scores than the English group. Factors involved were not clear. Other factors which were significantly related to Type A and/or other JAS scores were the number of people individuals were responsible for at work; the organizational rank and managerial achievement quotient of respondents; the number of promotions and the number of times respondents changed their line of work; the educational level of respondents; their Alcohol Consumption Index; feelings of loneliness; the number of hours they worked per week; their experience of subjective distress; whether they had a wife who worked outside the home or not; marital status of respondents, and their smoking behaviour. Results imply significant differences between culturally different groups leading different lifestyles but doing the same kind of work. Limitations of the study are looked at, and recommendations made for further research.
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7

Byrne, John. "An investigation of parallel computing techniques in clinical image processing, using transputers." Thesis, University of Aberdeen, 1992. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU045188.

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The objective of this work is to investigate the prospects for parallel computing in image processing applications in medicine. The tasks involved in filtered back projection reconstruction and retinal image registration are implemented on a hardware system based on the Inmos Transputer, using the OCCAM language. A number of task decomposition methods are used and their advantages and disadvantages discussed. An example which uses a pipeline illustrates the sensitivity of such an approach to uneven computational load over the network of processors. Farm networks and methods which use simple block division of data are investigated. The design of a system of interconnected processes for efficient, deadlock-free, communication within a grid network is proposed, designed and implemented. The difference in observed performance due both to task decomposition and to network communication are discussed. An image registration technique which uses the edges of image features to reduce the amount of data involved is proposed and implemented using the parallel network. The results of tests on the performance of the registration technique are presented. Registration using the edge-based technique is successful for a significant proportion of image pairs but, because of the high likelihood of registration being required for poor quality images, improvements are worthwhile. Where the registration technique failed, the human observer had equal difficulty in manually registering the same pair of images. A number of suggestions are made for further improvements of the technique. A strategy is proposed which uses task overlapping to improve the efficiency of a multi-stage parallel system of processes. The work highlights the most important factors in the application of parallel computing in image processing using a MIMD network and suggests a number of areas where further work is needed.
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8

Burrows, Andrea Maxine. "Volume and utilization patterns of nursing clinical placements." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/43800.

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Healthcare restructuring and projected workforce shortages have resulted in the expansion of nursing programs and subsequent increase in student enrolment. Increased enrolment has led to competition for student practice education experiences adding pressures on academic institutions to find and coordinate practice education and resulting in pressures on healthcare agencies to provide these experiences. Placing student in the appropriate clinical setting at the appropriate time in their education is a complex and challenging process. In British Columbia, nursing schools and healthcare agencies have used a Web-based tool, Health Services Placement network (HSPnet), to communicate about and track nursing student placements since 2003. The purpose of this retrospective longitudinal study was to examine nursing student clinical placement hours over six academic years, 2005-2006 (2005/06) and 2010-2011 (2010/11) (from August 15, 2005 to August 14, 2011) within a large health authority in British Columbia. Data were examined for differences across years, between nursing programs (BSN, LPN, RPN, international RN), between types of placements (group or preceptorship), and between types of clinical settings. In conclusion, the health authority hosted a large number of student clinical practice hours with significant growth over time. Future research should explore methods to support student clinical placements in diverse practice settings, methods to enhance academic and practice partnerships, and methods to enhance learning environments that will be beneficial to both staff and students.
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9

Piao, Zhenhui. "INTERACTIVE CLINICAL EVENT PATTERN MINING AND VISUALIZATION USING INSURANCE CLAIMS DATA." UKnowledge, 2018. https://uknowledge.uky.edu/cs_etds/70.

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With exponential growth on a daily basis, there is potentially valuable information hidden in complex electronic medical records (EMR) systems. In this thesis, several efficient data mining algorithms were explored to discover hidden knowledge in insurance claims data. The first aim was to cluster three levels of information overload(IO) groups among chronic rheumatic disease (CRD) patient groups based on their clinical events extracted from insurance claims data. The second aim was to discover hidden patterns using three renowned pattern mining algorithms: Apriori, frequent pattern growth(FP-Growth), and sequential pattern discovery using equivalence classes(SPADE). The SPADE algorithm was found to be the most efficient method for the dataset used. Finally, a prototype system named myDietPHIL was developed to manage clinical events for CRD patients’ and visualize the relationships of frequent clinical events. The system has been tested and visualization of relationships could facilitate patient education.
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10

Munroe, Helena A. "Clinical reasoning in community occupational therapy : patterns and processes." Thesis, Heriot-Watt University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315181.

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Книги з теми "Clinal pattern"

1

Ngong, Josephine Mbong. Metabolic patterns in clinical conditions. Birmingham: University of Birmingham, 1992.

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2

Chairman, Medical Chennai, Vision Research Foundation Chennai, and India. Sankara Nethralaya Clinical Practice Patterns in Ophthalmology. Edited by Dr SS Badrinath and Prema Padmanabhan. Abingdon, UK: Taylor & Francis, 1988. http://dx.doi.org/10.4324/9780203337745.

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3

Marchiori, Dennis M. Clinical imaging: With skeletal, chest, and abdomen pattern differentials. 2nd ed. St. Louis: Elsevier/Mosby, 2005.

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4

Marchiori, Dennis M. Clinical imaging: With skeletal, chest, and abdomen pattern differentials. St. Louis: Mosby, 1999.

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5

Petterson, Timothy. Clinical applications of patterned neuromuscular stimulation. Manchester: University of Manchester, 1995.

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6

1967-, Marinella Mark A., ed. Recognizing clinical patterns: Clues to a timely diagnosis. Philadelphia: Hanley & Belfus, 2002.

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7

Stern, John M. Atlas of EEG patterns. Philadelphia: Lippincott Williams & Wilkins, 2005.

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8

Rosen, Raymond. Patterns of sexual arousal: Psychophysiological processes and clinical applications. New York: Guilford Press, 1988.

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9

Semel, Eleanor Messing. Understanding Williams symdrome: Behavioral patterns and interventions. Mahwah, NJ: L. Erlbaum, 2003.

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10

Microevolutionary patterns in Aboriginal Australia: A gradient analysis of clines. New York: Oxford University Press, 1993.

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Частини книг з теми "Clinal pattern"

1

Zimmerman, Molly E. "Pattern Analysis." In Encyclopedia of Clinical Neuropsychology, 1885–86. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-0-387-79948-3_1231.

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Zimmerman, Molly E. "Pattern Analysis." In Encyclopedia of Clinical Neuropsychology, 1. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56782-2_1231-3.

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3

Zimmerman, Molly E. "Pattern Analysis." In Encyclopedia of Clinical Neuropsychology, 2605. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-57111-9_1231.

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4

Fabbrizioli, Azzurra, and Giulia Pongetti. "Early Repolarization Pattern." In Clinical Cases in Cardiology, 53–62. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19926-9_6.

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5

Mecarelli, Oriano. "Pathological EEG Patterns." In Clinical Electroencephalography, 223–35. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04573-9_13.

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6

Mastrangelo, Massimo, Barbara Scelsa, and Francesco Pisani. "Abnormal Neonatal Patterns." In Clinical Electroencephalography, 361–403. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04573-9_22.

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7

Wright, Benjamin, John Fenner, Richard Gillott, Paul Spencer, Patricia Lawford, and Karna Dev Bardhan. "Patterns, Movement and Clinical Diagnosis of Abdominal Adhesions." In Pattern Recognition in Bioinformatics, 415–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-04031-3_36.

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Jyothinagaram, Sathya, and Mira Milas. "Pattern Recognition: Uncommon Clinical Scenarios." In Advanced Thyroid and Parathyroid Ultrasound, 173–77. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-44100-9_17.

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9

Gilchrist, George W., Raymond B. Huey, and Lluís Serra. "Rapid evolution of wing size clines in Drosophila subobscura." In Microevolution Rate, Pattern, Process, 273–86. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0585-2_17.

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10

Pogarell, Oliver. "Abnormal Patterns." In Standard Electroencephalography in Clinical Psychiatry, 59–76. Chichester, UK: John Wiley & Sons, Ltd, 2011. http://dx.doi.org/10.1002/9780470974612.ch5.

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Тези доповідей конференцій з теми "Clinal pattern"

1

Birnholz, Jason C. "Clinical Ultrasound Pattern Recognition." In Pattern Recognition and Acoustical Imaging, edited by Leonard A. Ferrari. SPIE, 1987. http://dx.doi.org/10.1117/12.940243.

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Tessaro, Camila Lorenzini, Renata Dal-Prá Ducci, Cláudia Suemi Kamoi Kay, Otto Jesus Hernandez Fustes, Lineu César Werneck, Paulo José Lorenzoni, and Rosana Hermínia Scola. "Clinical and electrophysiological characteristics of the peripheral polyneuropathies from a single specialized center in the Southern Brazil." In XIII Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/1516-3180.359.

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Background: The peripheral polyneuropathies have etiological heterogeneity, with more than a hundred known causes. In addition, they have a lack of information related to their epidemiology. Objectives: The aim of this study is to determine the prevalence of each etiology of polyneuropathy in a single specialized center from Southern Brazil and to correlate main clinical manifestations and electrophysiological aspects. Design and setting: Observational cross-sectional study. Neuromuscular disorder center from a tertiary service. Methods: This study comprised individuals with electrodiagnostic tests compatible with polyneuropathy from a neuromuscular disorder center. Selected patients were those who underwent nerve conduction studies between 2008 and 2017. Through analysis of medical records, polyneuropathies were classified according to etiology and neurophysiological aspect. Results: The sample population consisted of 380 patients who has a male predominance (59.5%), with a median age of 43 years (26-57). The main etiologies were inflammatory (23.7%), hereditary (18.9%), idiopathic (13.7%), multifactorial (11.1%) and diabetes (10.8%). The main electrophysiological patterns were Axonal Sensorimotor Polyneuropathy (36.1%) and Demyelinating- Axonal Sensorimotor Polyneuropathy (27.9%). Idiopathic, diabetic, and multifactorial polyneuropathies had predominantly axonal pattern, while inflammatory and hereditary polyneuropathies had mainly demyelinating pattern. Conclusions: The frequency of inflammatory etiology was higher than previously described and frequency of diabetic polyneuropathy was lower. There may be a change in epidemiology of polyneuropathy in specialized centers, with a tendency to decrease idiopathic polyneuropathy. Electrodiagnostic testing is useful for etiological diagnosis since electrophysiological patterns correlate with specific etiologies.
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Jiang, Lin, Diana L. Alatalo, Donna T. Geddes, and Fatemeh Hassanipour. "A Clinical Experiment on Infant Applied Pressures During Breastfeeding." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-87674.

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Breastfeeding provides both nutrients and immunities necessary for infant growth. Understanding the biomechanics of breastfeeding requires capturing both positive and negative pressures exerted by infants on the breast. This clinical experimental work utilizes thin, flexible pressure sensors to capture the positive oral pressures of 7 mother-infant dyads during breastfeeding while simultaneously measuring vacuum pressures and imaging of the infants oral cavity movement via ultrasound. Methods for denoising signals and evaluating ultrasound images are discussed. Changes and deformations on the nipple are evaluated. The results reveal that pressure from the infant’s maxilla and mandible are evenly distributed in an oscillatory pattern corresponding to the vacuum pressure patterns. Variations in nipple dimensions are considerably smaller than variations in either pressure but the ultrasound shows positive pressure dominates structural changes during breastfeeding. Clinical implications for infant-led milk expression and data processing are discussed.
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Jin, Cheng, Chi Liu, and Lingjie Kong. "Improving Axial Resolution of Optical Stimulation in Two-Photon Optogenetics by Beaded-Ring Pattern." In Clinical and Translational Biophotonics. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/translational.2022.jtu3a.29.

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Schwarz, Ariel, Ran Califa, Zeev Zalesky, Nisan Ozana, Amir Shemer, Javier Garcia, mark golberg, and Zeev Markman. "All Optical Real Time Method for Laser Speckle Pattern Tracking of Non-Contact Biomedical Parameters." In Clinical and Translational Biophotonics. Washington, D.C.: OSA, 2018. http://dx.doi.org/10.1364/translational.2018.jw3a.23.

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Maxwell, R. J. "Pattern recognition analysis of." In IEE Colloquium on Realising the Clinical Potential of Magnetic Resonance Spectroscopy: the Role of Pattern Recognition. IEE, 1997. http://dx.doi.org/10.1049/ic:19970472.

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Stern, Miriam. "Tipping the Scales: A Corpus-Based Reconstruction of Adjective Scales in the McGill Pain Questionnaire." In 2nd International Conference on Machine Learning Techniques and NLP (MLNLP 2021). Academy and Industry Research Collaboration Center (AIRCC), 2021. http://dx.doi.org/10.5121/csit.2021.111421.

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Modern medical diagnosis relies on precise pain assessment tools in translating clinical information from patient to physician. The McGill Pain Questionnaire (MPQ) is a clinical pain assessment technique that utilizes 78 adjectives of different intensities in 20 categories to quantify a patient’s pain. The questionnaire’s efficacy depends on a predictable pattern of adjective use by patients experiencing pain. In this study, I recreate the MPQ’s adjective intensity orderings using data gathered from patient forums and modern NLP techniques. I extract adjective intensity relationships by searching for key linguistic contexts, and then combine the relationship information to form robust adjective scales. Of 17 adjective relationships predicted by this research, 10 show agreement with the MPQ, which is statistically significant at the .5 alpha level. The results suggest predictable patterns of adjective use by people experiencing pain, but call into question the MPQ’s categories for grouping adjectives.
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He, Wenda, Erika R. E. Denton, and Reyer Zwiggelaar. "Mammographic parenchymal pattern segmentation: A clinical evaluation." In 2010 10th IEEE International Conference on Information Technology and Applications in Biomedicine (ITAB 2010). IEEE, 2010. http://dx.doi.org/10.1109/itab.2010.5687783.

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Wang, Fei, Noah Lee, Jianying Hu, Jimeng Sun, and Shahram Ebadollahi. "Towards heterogeneous temporal clinical event pattern discovery." In the 18th ACM SIGKDD international conference. New York, New York, USA: ACM Press, 2012. http://dx.doi.org/10.1145/2339530.2339605.

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Qurbanova R.Sh., Asadova Sh.Sh., Vahabova Sh.B., Qurbanova R. Sh ,. Asadova Sh Sh ,. Vahabova Sh B. "CLİNİCAL AND MORPHOLOGİCAL PATTERNS OF ENDOCCRİNE-CELL CARSİNOMA OF UTERİ." In THE FIRST INTERNATIONAL SCIENTIFIC – PRACTICAL VIRTUAL CONFERENCE IN MODERN & SOCIAL SCIENCES: NEW DIMENSIONS, APPROACHES AND CHALLENGES. IRETC, 2022. http://dx.doi.org/10.36962/mssndac-01-11.

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The relevance of the problem. The endicrine-cell carsinoma of corpus uteri and of the cervex uteri remains insufficiently studied, from clinical and proqnosis point of view insignificant group of malignant epithelial organ tumors. The purpose of the study. Taking into consideration all stated above, as the goal of current investigation has been appeared complex statistic, clinic, laboratory-instrumental and morphological study of this cancer with comparative analysis of results in different types of treatment, and also including progression and prognosis of the process. Material and methods. 405 cases of endocrine cell carcinoma of corpus uteri were identified within 2016- 2021. Complaints, anamnesis and clinical stages of the process approximately didn’t differ from the analogous groups of comparison of patient by the moment of appeal for the specialized aid. The obtained results and their discussion. It was determined that the fraquancy of countering of the endocrine cell carcinoma of corpus uteri is 26,1%, but the cancer of cervix uteri 12,7% from total number patients, respectively. It was proved that there exists the direct correlation between the frequency of endocrine cell carcinoma of corpus uteri and anatomical section of organ. In 56,0% od cases primary tumor origin is situated in lower segment of corpus, circus cervix or proximal part of cervical canal. “Carcinoids” and “Small cell homomorphous solid squamous cell and glandular carcinoids” were encountered most frequently among histotypes and the versions. Morphologically in tumor tissue were revealed mono and double specialized apudocytes, producing olygopeptides and amines with paraendocrine effects. Proceeding from secretory status of the endocrine tumor component were distinguished following clinical-morphological subgroups of endocrine cell carcinoma of corpus utseri: 1) with prevailing secretion of peptides (excluding the somatostatin); 2) with prevailing secretion of amines and somatostatin; 3) with similar secretion of peptides and amines. It was proved that, there is direct close correlation between prevailing hormonal status and clinical progression of endocrine-cell carcinoma of corpus uteri. Despite of somatostatin predominant secretion of oligopeptides by the tumor accelerates clinical progression, and brings to early and multidirectional metastases. On the contrary, with prevailing secretion of amines (serotonin, melatonin) and somatostatin the process doesn’t improving, and metastases, also, recurrences after radical therapy isn’t seen. It was revealed, that when choosing the tactic of radical treatment, side by side with the other factors, must be taken into consideration the hormonal status of endocrine-cell carcinoma of corpus uteri. High prevalence of secretion of oligopeptides in endocrine-cell carcinoma of corpus uteri can be useful in direct indication for choosing of complex or combinative treatment with necessary use radical surgical operation. Keywords: distinguished following clinical-morphological subgroups.
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Звіти організацій з теми "Clinal pattern"

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Kraushaar, Judith, and Sabine Bohnet-Joschko. Prevalence and patterns of mobile device usage among physicians in clinical practice: a systematic review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, May 2022. http://dx.doi.org/10.37766/inplasy2022.5.0087.

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Review question / Objective: The aim of this review is to systematically analyze quantitative data extracted from studies on the use of mobile devices by physicians in clinical practice in order to be able to derive concrete statements on the prevalence, patterns, and trends of usage. Condition being studied: Prevalence, patterns, and trends of mobile device usage by physicians in clinical practice. Main outcome(s): With this review, we want to open a new perspective on the use of mobile devices. Together with the information from qualitative reviews, the particular relevance of mobile devices for KM strategies in hospitals can be viewed in its entirety.
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Chen, Cheng-Che, and Chung-Jen Chen. New-Onset Inflammatory Arthritis After Covid-19 Vaccination. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, July 2022. http://dx.doi.org/10.37766/inplasy2022.7.0128.

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Review question / Objective: Investigate the new-onset inflammatory arthritis after Covid-19 vaccination in patients without pre-existing autoimmune nor rheumatic diseases and analyze their clinical patterns. Condition being studied: To help the readers to understand the clinical patterns of new-onset inflammatory arthritis after Covid-19 vaccination in patients without pre-existing autoimmune nor rheumatic diseases. Eligibility criteria: Inclusion criteria: publications of new-onset inflammatory arthritis after Covid-19 vaccination in patients without pre-existing autoimmune nor rheumatic diseases between January 2020 to March 2022. Exclusion criteria: cases with arthritis after SARS-CoV-2 infection and arthritis reactivation in those with underlying or history of arthritis-associated or autoimmune diseases.
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Moore, R. C. A Focused Review of the Interrelationship between Productivity, Data Quality, Compliance, and Diagnosis Patterns in the Family Health Clinic, Moncrief Army Community Hospital. Fort Belvoir, VA: Defense Technical Information Center, April 2001. http://dx.doi.org/10.21236/ada420980.

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Robledo-Castro, Carolina, Gisella Bonilla-Santos, and Piedad Rocío Lerma-Castaño. Computer-based cognitive training programs: effects on executive functions in children with attention deficit hyperactivity disorder (ADHD). INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, October 2022. http://dx.doi.org/10.37766/inplasy2022.10.0046.

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Review question / Objective: This systematic review aimed to synthesize the existing literature reporting the effects of computer-based cognitive training on the executive functions of children with ADHD. Condition being studied: Attention Deficit Hyperactivity Disorder (ADHD) is the most common neurodevelopmental disorder diagnosed in childhood, characterized by a persistent pattern of inattention, hyperactivity, and impulsivity. Today it is recognized that ADHD is associated with an alteration in the volume and level of activation in prefrontal areas related to executive functions. Based on these clinical findings, some authors suggest that ADHD is not a disorder of primary attention origin but instead responds to an alteration in the synaptic circuits of some brain areas, including the prefrontal neocortex, areas involved in cognitive regulation and control, and processes known as executive functions.
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Tooman, Tricia, Waraf Al-Yaseen, Damon Herd, Clio Ding, Maria Corrales, and Jaina Teo Lewen. THE COVID ROLLERCOASTER: Multiple and Multi-dimensional Transitions of Healthcare Graduates. Edited by Divya Jindal-Snape, Chris Murray, and Nicola Innes. UniVerse, May 2022. http://dx.doi.org/10.20933/100001247.

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In this study, we explored the ongoing multiple and multi-dimensional transitions experienced by medicine, nursing and dentistry students due to graduate in summer 2020. Some graduated early to join the NHS workforce and others had their graduation deferred for a year due to lack of clinical experience. We explored the expectations and realities of their transition experiences; their perceptions of the impact of their transitions on them, their wellbeing, and on their significant others. This longitudinal study helped understand each individual’s adaptations to multiple concurrent changes over time. The cross-sectional data revealed trends and patterns for each group of graduates. This comic anthology presents the interpretations of interview data from doctor, nurse, and dentist graduates. The five comics present both individual and composite narratives of different participants. The visualisation of the data through comics was valuable to portray the wider context of COVID-19, and participants’ related transition experiences and emotions.
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Hatef, Elham, Renee F. Wilson, Susan M. Hannum, Allen Zhang, Hadi Kharrazi, Jonathan P. Weiner, Stacey A. Davis, and Karen A. Robinson. Use of Telehealth During the COVID-19 Era. Agency for Healthcare Research and Quality (AHRQ), January 2023. http://dx.doi.org/10.23970/ahrqepcsrcovidtelehealth.

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Objectives. To assess how to provide telehealth care by identifying characteristics of telehealth delivery, patient populations, settings, benefits and harms, and implementation strategies during the COVID-19 era. Data sources. PubMed®, CINAHL®, PsycINFO®, and the Cochrane Central Register of Controlled Trials were searched from March 2020 to May 2022. Additional studies were identified from reference lists and experts. Review methods. We included studies that reported characteristics of telehealth use; benefits and harms of telehealth; factors impacting the success of telehealth, including satisfaction/dissatisfaction and barriers/facilitators; and implementation outcomes. We conducted a mixed-methods review, synthesizing quantitative and qualitative studies. Two reviewers independently screened search results for eligibility, serially extracted data, and independently assessed risk of bias of included studies. Results. We included 764 studies; 310 studies were included in our syntheses. Patients using telehealth were more likely to be people who are young to middle-aged, female, White, of higher socioeconomic status, and living in urban settings. Visits for mental and behavioral health conditions were more frequent than visits for other conditions, and mental or behavioral care was also more likely to be delivered via telehealth than care for other conditions. Across a variety of conditions, telehealth produced similar clinical outcomes as compared with in-person care. Telehealth care is appropriate for some patients, but more information is necessary to determine the suitability of telehealth for specific patient populations; patients and providers felt that telehealth may be less suitable and less desirable for patients with complex clinical conditions; and some patients perceive telehealth as a barrier to improved health outcomes owing to the absence of a physical exam and challenges in developing rapport and communicating with their care team. There was a lack of evidence addressing implementation cost, penetration, and sustainability of telehealth, and about telehealth implementation at the health system level. Conclusions. Whereas telehealth use spiked after the beginning of the pandemic, the characteristics of patients using telehealth follow a pattern similar to that for other healthcare and digital health services. We found that the use of telehealth may be comparable to in-person care across different clinical and process outcomes. Telehealth implementation has addressed the needs of both patients and providers to some extent, even as clinical conditions, patient and provider characteristics, and type of assessment varied. Telehealth has provided a viable alternative mode of care delivery during the pandemic and holds promise for the future.
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Mwebe, Robert, Chester Kalinda, Ekwaro A. Obuku, Eve Namisango, Alison A. Kinengyere, Moses Ocan, Ann Nanteza, Savino Biryomumaisho, and Lawrence Mugisha. Epidemiology and effectiveness of interventions for Foot and Mouth Disease in Africa: A protocol for systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, November 2022. http://dx.doi.org/10.37766/inplasy2022.11.0039.

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Review question / Objective: What is the epidemiology and effectiveness of control measures for foot and mouth disease in African countries?’ PICOS: Description of elements Population/ problem/Setting: Artiodactyla (cloven ungulates), domestic (cattle, sheep, goats, and pigs), camels and wildlife (buffaloes, deer, antelope, wild pigs, elephant, giraffe, and camelids) affected by Foot and Mouth Disease (FMD) or Hoof and Mouth Disease (HMD) caused by the Foot and Mouth Disease Virus (FMDV) in Africa. Intervention: Prevention measures: vaccination, ‘biosafety and biosecurity’, sensitization of the public. Control measures: quarantine, movement control, closure of markets and stock routes, mouth swabbing of animals with infected materials (old technique that is no long applicable), culling, mass slaughter, stamping out and any other interventions or control measures generally accepted by the ‘community of practice’ of animal health practitioners. Comparator: areas that did not have any control activities for FMD, in head-to-head comparisons in the same study. Outcome: epidemiological outcomes: incidence, prevalence, patterns or trends, clinical symptoms, and risk factors. Effectiveness outcomes: success, and usefulness of the interventions measured as averted deaths, illness and infections, and costs associated with the interventions (cost–effectiveness). Study design: epidemiological designs include cohort design for incidence, cross sectional for prevalence and case-control for clinical symptoms and risk factors. Interventional designs include randomized controlled trials, cluster randomized trials, quasi-experimental designs – controlled before and after, interrupted time series, [regression discontinuity design, difference-in-difference, and propensity score matching]. Timelines: 1900 – 2022.
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Adams, Sunny E., Megan W. Tooker, and Adam D. Smith. Fort McCoy, Wisconsin WWII buildings and landscapes. Engineer Research and Development Center (U.S.), November 2020. http://dx.doi.org/10.21079/11681/38679.

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The U.S. Congress codified the National Historic Preservation Act of 1966 (NHPA) mostly through the National Register of Historic Places (NRHP), which requires federal agencies to address their cultural resources. Section 110 of the NHPA requires federal agencies to inventory and evaluate their cultural resources, and Section 106 requires them to determine the effect of federal undertakings on those potentially eligible for the NRHP. This report provides a World War II development history and analysis of 786 buildings, and determinations of eligibility for those buildings, on Fort McCoy, Wisconsin. Evaluation of the WWII buildings and landscape concluded that there are too few buildings with integrity to form a cohesive historic district. While the circulation patterns and roads are still intact, the buildings with integrity are scattered throughout the cantonment affecting the historic character of the landscape. Only Building 100 (post headquarters), Building 656 (dental clinic), and Building 550 (fire station) are ELIGIBLE for listing on the NRHP at the national level under Criterion A for their association with World War II temporary building construction (1942-1946) and under Criterion C for their design, construction, and technological innovation.
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Apiyo, Eric, Zita Ekeocha, Stephen Robert Byrn, and Kari L. Clase. Improving Pharmacovigilliance Quality Management System in the Pharmacy and Poisions Board of Kenya. Purdue University, December 2021. http://dx.doi.org/10.5703/1288284317444.

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The purpose of this study was to explore ways of improving the pharmacovigilance quality system employed by the Pharmacy and Poisons Board of Kenya. The Pharmacy and Poisons Board of Kenya employs a hybrid system of pharmacovigilance that utilizes an online system of reporting pharmacovigilance incidences and a physical system, where a yellow book is physically filled by the healthcare worker and sent to the Pharmacy and Poisons Board for onward processing. This system, even though it has been relatively effective compared to other systems employed in Africa, has one major flaw. It is a slow and delayed system that captures the data much later after the fact and the agency will always be behind the curve in controlling the adverse incidents and events. This means that the incidences might continue to arise or go out of control. This project attempts to develop a system that would be more proactive in the collection of pharmacovigilance data and more predictive of pharmacovigilance incidences. The pharmacovigilance system should have the capacity to detect and analyze subtle changes in reporting frequencies and in patterns of clinical symptoms and signs that are reported as suspected adverse drug reactions. The method involved carrying out a thorough literature review of the latest trends in pharmacovigilance employed by different regulatory agencies across the world, especially the more stringent regulatory authorities. A review of the system employed by the Pharmacy and Poisons Board of Kenya was also done. Pharmacovigilance data, both primary and secondary, were collected and reviewed. Media reports on adverse drug reactions and poor-quality medicines over the period were also collected and reviewed. An appropriate predictive pharmacovigilance tool was also researched and identified. It was found that the Pharmacy and Poisons Board had a robust system of collecting historical pharmacovigilance data both from the healthcare workers and the general public. However, a more responsive data collection and evaluation system is proposed that will help the agency achieve its pharmacovigilance objectives. On analysis of the data it was found that just above half of all the product complaints, about 55%, involved poor quality medicines; 15% poor performance, 13% presentation, 8% adverse drug reactions, 7% market authorization, 2% expired drugs and 1% adulteration complaints. A regulatory pharmacovigilance prioritization tool was identified, employing a risk impact analysis was proposed for regulatory action.
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Expressed emotion varies with eating disorder diagnosis. ACAMH, July 2018. http://dx.doi.org/10.13056/acamh.10565.

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Unique patterns of expressed emotion characterize communication within families with children affected by eating disorders, according to new research. Researchers across the USA recruited 215 adolescents (aged 12-19 years) with eating disorders and their families, and asked them to complete the Standardized Clinical Family Interview.
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