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Artykuły w czasopismach na temat "Posterior urethral valves"
Hodges, Steve J., Bhavin Patel, Gordon McLorie i Anthony Atala. "Posterior Urethral Valves". Scientific World JOURNAL 9 (2009): 1119–26. http://dx.doi.org/10.1100/tsw.2009.127.
Pełny tekst źródłaDinneen, M. D., i P. G. Duffy. "Posterior urethral valves". British Journal of Urology 78, nr 2 (sierpień 1996): 275–81. http://dx.doi.org/10.1046/j.1464-410x.1996.10324.x.
Pełny tekst źródłaLamahewage, Ananda. "Posterior urethral valves". Sri Lanka Journal of Child Health 33, nr 4 (8.07.2009): 108. http://dx.doi.org/10.4038/sljch.v33i4.621.
Pełny tekst źródłaPerks, A. E., A. E. MacNeily i G. K. Blair. "Posterior urethral valves". Journal of Pediatric Surgery 37, nr 7 (lipiec 2002): 1105–7. http://dx.doi.org/10.1053/jpsu.2002.33886.
Pełny tekst źródłaShimada, Kenji, Mototsugu Kanogogi, Masaaki Arima, Yoshinori Mori i Fumihiko Ikoma. "POSTERIOR URETHRAL VALVES". Japanese Journal of Urology 77, nr 6 (1986): 914–22. http://dx.doi.org/10.5980/jpnjurol1928.77.6_914.
Pełny tekst źródłaChatterjee, Subir K. "Posterior urethral valves". Pediatric Surgery International 17, nr 1 (5.02.2001): 1. http://dx.doi.org/10.1007/s003830000526.
Pełny tekst źródłaStanasel, Irina, i Edmond Gonzales. "Posterior Urethral Valves". Current Bladder Dysfunction Reports 10, nr 3 (10.07.2015): 250–55. http://dx.doi.org/10.1007/s11884-015-0309-4.
Pełny tekst źródłaMininberg, David T., i Harold P. Genvert. "Posterior urethral valves". Urology 33, nr 3 (marzec 1989): 205–8. http://dx.doi.org/10.1016/0090-4295(89)90392-0.
Pełny tekst źródłaMALIKQ, MUHAMAMD AKRAM, SAFDAR H. JAVED SIAL, ZAHID IQBAL i Munir Ahmad. "POSTERIOR URETHRAL VALVES". Professional Medical Journal 12, nr 04 (31.12.2005): 473–78. http://dx.doi.org/10.29309/tpmj/2005.12.04.5102.
Pełny tekst źródłaKajbafzadeh, A. M., P. Jangouk i C. Ahmadi Yazdi. "Anterior urethral valve associated with posterior urethral valves". Journal of Pediatric Urology 1, nr 6 (grudzień 2005): 433–35. http://dx.doi.org/10.1016/j.jpurol.2005.05.007.
Pełny tekst źródłaRozprawy doktorskie na temat "Posterior urethral valves"
De, Wet Matthys Johannes. "Factors predicting the long-term renal function in boys presenting with posterior urethral valves at Tygerberg Children's Hospital, South Africa : a ten year study". Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86726.
Pełny tekst źródłaENGLISH ABSTRACT: OBJECTIVES The aim of this study was to determine long-term renal function in boys presenting with posterior urethral valves at Tygerberg Children’s Hospital and to determine the prognostic value of certain clinical, biochemical and radiological variables DESIGN Retrospective, descriptive study of boys diagnosed and treated with posterior urethral valves at Tygerberg Children’s Hospital between 2001 and 2011. RESULTS Between 2001 and 2011, 47 cases of posterior urethral valves were diagnosed and treated at our institution. Thirteen patients were excluded from this study. Seven (20,6%) were diagnosed antenatally and 27 (79,4%) presented postnatally. Mean age at presentation was 13,9 months (median 2; range 0-74). The most common postnatal presentation was urinary tract infection (51,9%). Mean follow-up was 54,2 months (median 47,5; range 12-133). A total of 13 boys (38,2%) progressed to chronic renal failure or end-stage renal disease. Initial and nadir serum creatinine, poor corticomedullary differentiation and moderate-severe hydronephrosis were significant predictors of final renal function (p<0,050). Patient age at presentation, type of primary surgical intervention, increased renal echogenicity, bladder wall thickness, the presence of vesicoureteric reflux (no matter what the laterality or severity), severe bladder dysfunction and initial or breakthrough urinary tract infection had no significant impact on future renal function. Receiver operating characteristic curve analysis confirmed that boys with an initial serum creatinine ≥145μmol/L and a nadir serum creatinine ≥62μmol/L were at highest risk to develop chronic renal insufficiency (area under the curve 0,8 and 0,9, respectively). CONCLUSION More than a third of boys (38,2%) developed chronic renal failure or end-stage renal disease at the end of follow-up. Our data confirmed the high prognostic value of initial and nadir serum creatinine. Optimal threshold levels for initial and nadir serum creatinine to predict final renal function were 145μmol/L and 62μmol/L, respectively. Similarly, poor corticomedullary differentiation and moderate-severe hydronephrosis on initial kidney ultrasound were significant indicators of poor renal prognosis. Although all patients with posterior urethral valves should be counselled on potential renal morbidity, children with risk factors warrant closer monitoring.
AFRIKAANSE OPSOMMING: DOELWITTE Die doel van hierdie studie was om langtermyn nierfunksie te bepaal in seuns wat gediagnoseer is met posterior uretrale kleppe by Tygerberg-kinderhospitaal. Die prognostiese waarde van sekere kliniese, biochemiese en radiologiese veranderlikes is ook ondersoek. STUDIE ONTWERP Retrospektiewe, beskrywende studie van seuns wat tussen 2001 en 2011 by Tygerberg-kinderhospitaal gepresenteer het met posterior uretrale kleppe. RESULTATE Tussen 2001 en 2011 is 47 gevalle van posterior uretrale kleppe gediagnoseer en behandel by ons instelling. Dertien pasiënte is uitgesluit van hierdie studie. Sewe (20,6%) is met voorgeboorte sonar gediagnoseer en 27 (79,4%) het ná geboorte gepresenteer. Die gemiddelde ouderdom by diagnose was 13,9 maande (mediaan 2; reeks 0-74 ). Urienweginfeksie was die mees algemene metode waarmee postnatale pasiënte gepresenteer het (51,9%). Die gemiddelde opvolgperiode was 54,2 maande (mediaan 47,5; reeks 12-133). Dertien seuns (38,2%) het chroniese nierversaking of eind-stadium nierversaking ontwikkel. Aanvanklike en nadir serumkreatinien, swak kortiko-medullêre differensiasie en matig-erge hidronefrose was beduidende voorspellers van finale nierfunksie (p<0,050). Pasiënt ouderdom met diagnose, tipe chirurgiese ingryping, verhoogde niereggogenisiteit, blaaswanddikte, vesikoureteriese refluks, blaasdisfunksie en aanvanklike of deurbraak urienweginfeksies het geen beduidende impak op toekomstige nierfunksie gehad nie. Seuns met 'n aanvanklike serumkreatinien ≥145μmol/L en 'n nadir serumkreatinien ≥62μmol/L het die grootste risiko om chroniese nierversaking te ontwikkel, soos bevestig met ‘n ROC-ontleding (AUC 0,8 en 0,9, onderskeidelik). GEVOLGTREKKING Meer as 'n derde van die pasiënte (38,2%) het chroniese nierversaking of eindstadium nierversaking ontwikkel. Ons data bevestig die prognostiese waarde van aanvanklike en nadir serumkreatinienvlakke. Die optimale drempelwaardes vir die aanvanklike en nadir serumkreatinien om finale nierfunksie te voorspel was 145μmol/L en 62μmol/L, onderskeidelik. Swak kortiko-medullêre differensiasie en matig-erge hidronefrose op die aanvanklike niersonar was ook beduidende aanwysers van toekomstige nierfunksie. Alhoewel alle pasiënte met posterior uretrale kleppe berading moet ontvang oor potensiële niermorbiditeit, regverdig seuns met risikofaktore noukeurige monitering.
Samnakay, Naeem. "Antenatal bladder outflow obstruction : effects of morphology and apoptosis in the fetal kidney, and effects on fetal ACTH and cortisol levels in an ovine model". University of Western Australia. School of Women's and Infants' Health, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0151.
Pełny tekst źródłaLourenço, Elaine Mara. "Análise retrospectiva do tratamento clínico e cirúrgico de pacientes portadores de válvula de uretra posterior". Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/17/17137/tde-10042018-140525/.
Pełny tekst źródłaIntroduction: Among congenital anomalies of the urinary tract, the posterior urethral valve (PUV) has a high risk for newborn´s mortality and is the most frequent cause of terminal chronic kidney disease in children. Its treatment involves multidisciplinary approach and long-term follow-up is necessary. Therefore, it is mandatory to permanently re-evaluate conducts. Objective: To describe the clinical and evolutive aspects of patients with PUV, aiming to evaluate the need for care protocol adjustments. Patients and Methods: The records of 68 boys with PUV who were treated at HCFMRP-USP between 1990 and 2015 have been reviewed. The data analyzed consisted of information regarding birth, age at referral, complementary exams, surgeries and clinical evolution. Results: There was a predominance of Caucasian (76.4%) and patients have been referred from region DRS XIII (82.4%). Most of the children have already been referred from other hospitals (80.8%), and some of them were already submitted to urinary diversion. Regarding the age of referral, 52.7% arrived after the first year of life, although the children were diagnosed before the first year of life in 70,6% of the cases. Prenatal ultrasound evaluation has been performed in 40 pregnant women (48.8%) and oligohydramnios was found in 16/40 (40,0%). Concerning the complementary exams for diagnosis and outpatient follow-up we highlighted excretory urography (16.2%), renal scintigraphy (70,6%) and renogram (29,4%). Voiding cistourethrography was performed in all patients. Regarding the main procedures, intrauterine vesico-amniotic shunt was performed in 3 patients, temporary drainage of urinary tract with vesical catheterization in 20, higher diversion in 4 patients, vesicostomy in 33, partial resection of the bladder neck in 9 and ablation during cystoscopy of the VUP in 67 patients. Ten patients were submitted to transplantation. Discussion and Conclusions: the results presented are comparable to those published in the literature by the best institutions regarding diagnosis, surgical procedures and patient evolution. What has become evident are the socioeconomic and cultural conditions of our country, where obtaining better therapeutic results stumbles on social and educational issues, requiring joint actions aimed continuing education and social organization. Proper prenatal examination, early diagnosis and early referral to institutions that can absorb these patients are crucial for the best clinical outcome. The minimum protocol of assistance should be disseminated to health professionals of different specialties in order to recognize the clinical picture. It is desirable to include, in the attendance protocol, laboratory tests with prognostic capabilities regarding evolution to chronic kidney disease.
Antwi, Sampson. "Audit of posterior urethral valve (PUV) in children at Red Cross Children Hospital, Cape Town, January 2002 - January 2009". Master's thesis, University of Cape Town, 2009. http://hdl.handle.net/11427/11891.
Pełny tekst źródłaIncludes bibliographical references (leaves 64-72).
Posterior urethral valve (PUV) is a congenital obstructing membrane of the male urethra. It is the commonest cause of bladder outlet obstruction in male children. PUV as a cause of obstructive uropathy is an important cause of end stage renal failure (ESRF) in children. Early detection and surgical intervention can slow down progression to ESRF.
Eckoldt, Felicitas. "Die Bedeutung der pränatalen Erkennbarkeit obstruktiver Harnwegsfehlbildungen für Diagnostik, Therapie und Prognose aus kinderchirurgischer Sicht". Doctoral thesis, Humboldt-Universität zu Berlin, Medizinische Fakultät - Universitätsklinikum Charité, 2004. http://dx.doi.org/10.18452/13950.
Pełny tekst źródłaIntroduction: Among congenital dysplasias the anomalies of kidney and urogenital tract are among the most frequent encountered. Their rate in prenatally made diagnoses is about 50 %. Modern prenatal diagnostic facilities have changed the therapeutic access to these anomalies in the last decade. After a phase of overtreatment in the beginning, nowadays new insights in the natural course of these dysplasias and the results of long-term follow-up studies resulted in a more differentiated apporach. Questions and methods: In this retro- and prospective study we looked for the the influence of prenatal diagnostics on the postnatal course and management. The question was to examine the relationship between the prenatal ultrasound results, the suggested prenatal diagnosis and then the defintive postnatal disease. Of interest was the prognostic impact of typical prenatal sonographic imaging on the postnatal course of the baby. Because of its frequency we focused on anomalies of the kidney and urogenital tract. Patients: Between 1984 and 1996 21.616 pregnancies were examined by ultrasound in our Department of Prenatal Medicine. Among these, 1.574 anomalies of surgical relevance were described. 1.077 cases were available for follow-up including 990 cases of urogenital anomalies. Among these, the records of 693 cases were complete and these patients form the collective of this study. Results: When the CNS was excluded we found organic anomalies in 7,28 % of these cases. Among them 63% were attributed to the urogenital system. The most common prenatal diagnosis was "hydronephrosis". But this term was used only in a descriptive manner because proof of a real obstructive uropathy postnatally was made only in 30% of these cases. Concerning all anomalies of the urogenital tract, the prenatal diagnosis proved correct in the overwhelming majority of cases ( 90%) if these sonographic signs have been described: - diameter fo the renal pelvis of more than 10 mm in isolated hydronephrosis predicted ureteropelvic junction obstruction - typical formation of a multicystic dysplastic kidney - combination of oligohydramnion, megacystis and bilateral kidney anomalies in a male fetus predicted posterior urethral valve disease Sensitivity and specifity in regard to the definitive diagnosis were acceptable in multicystic dysplasia of the kidney and ureteropelvic junction obstruction. In all other cases, the correct diagnosis was made postnatally in 70 %. Therefore, the main value of prenatal sonography was to reveal otherwise symptomless dysplasias. Until now, a prenatal prediction of kidney function in the unilateral case is not possible. Conclusion: Obstructive uropathies are common an in most cases benign anomalies. They are easily detected by prenatal ultrasound. Therapeutical consequences, however, only arise in selected cases if typical sonographic signs can be seen. In the majority of cases, therefore, the main purpose of prenatal diagnostic ultrasound points out the necessity for postnatal diagnostic workup in order to detect and treat severe diseases before symptoms occur.
Petersen, Karen Lavinia. "The outcome of posterior urethral valves: a twenty one year experience". Thesis, 2009. http://hdl.handle.net/10539/7434.
Pełny tekst źródłaBackground: Posterior urethral valves (PUV) result in a spectrum of obstruction, and up to thirty percent of patients progress to renal failure. Objective: Descriptive study of patients with PUV, and to compare growth and renal function in the primary valve ablation versus vesicostomy group. Methods: Retrospective record review of patients with PUV at Chris Hani Baragwanath Hospital from January 1985 to December 2005. Results: A total of 128 boys were identified. The mean (range) age was 12.9 months (0 to 139.4). The mean duration of follow-up was 42 months, with 65% lost to follow- up. UTI and voiding problems were the most common modes of presentation. Young age at presentation and renal dysfunction after surgery were poor prognostic features. Hydronephrosis was present in 89.5%. Renal failure was present in 37% of patients at last visit. Primary valve ablation was performed in 44.2% and vesicostomy in 55.8%. No statistical difference in renal outcome or somatic growth was observed between the surgical groups. Conclusion: PUV is a common condition with significant morbidity. The renal outcome in black South African boys is similar to reports from developed countries. The type of initial surgical management did not impact on renal outcome or somatic growth.
Książki na temat "Posterior urethral valves"
Schreuder, Michiel F. Posterior urethral valves. Redaktor Adrian Woolf. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199592548.003.0354.
Pełny tekst źródłaHutton, Kim, i Ashok Daya Ram. Disorders of the urethra. Redaktor David F. M. Thomas. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199659579.003.0117.
Pełny tekst źródłaFox, Grenville, Nicholas Hoque i Timothy Watts. Endocrinology. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780198703952.003.0016.
Pełny tekst źródłaSchreuder, Michiel F. Anatomical types of congenital anomalies. Redaktor Adrian Woolf. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199592548.003.0345.
Pełny tekst źródłaCzęści książek na temat "Posterior urethral valves"
Traxel, Erica J., i Curtis A. Sheldon. "Posterior Urethral Valves". W Pediatric Urology for the Primary Care Physician, 105–10. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-60327-243-8_14.
Pełny tekst źródłaSeth, Abhishek, Chester J. Koh i David A. Diamond. "Posterior Urethral Valves". W Springer Surgery Atlas Series, 543–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-56282-6_63.
Pełny tekst źródłaWu, Charlotte Q., Edmond Ntaganda, Adam B. Hittelman, Stefan Wolke i Christopher C. Amah. "Posterior Urethral Valves". W Pediatric Surgery, 965–71. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-41724-6_93.
Pełny tekst źródłaOrazi, Cinzia, Antonio Maria Zaccara, Massimiliano Silveri i Paolo Maria Schingo. "Posterior Urethral Valves". W Imaging Non-traumatic Abdominal Emergencies in Pediatric Patients, 287–314. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-41866-7_19.
Pełny tekst źródłaDe Gennaro, Mario, Maria Luisa Capitanucci, Giovanni Mosiello i Antonio Zaccara. "Posterior Urethral Valves". W Urodynamics, Neurourology and Pelvic Floor Dysfunctions, 237–49. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-42193-3_23.
Pełny tekst źródłaUndre, Shabnam, i Divyesh Y. Desai. "Posterior Urethral Valves". W Pediatric Endourology Techniques, 243–49. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5394-8_25.
Pełny tekst źródłaO'Kelly, Fardod, i Martin A. Koyle. "Posterior urethral valves". W Operative Pediatric Surgery, 683–89. 8th edition. | Boca Raton CRC Press, 2020.: CRC Press, 2020. http://dx.doi.org/10.1201/9781351250801-73.
Pełny tekst źródłaNguyen, Hiep T., Daniel Avery i Byron Joyner. "Posterior Urethral Valves". W Urological Emergencies, 313–24. Totowa, NJ: Humana Press, 2013. http://dx.doi.org/10.1007/978-1-62703-423-4_24.
Pełny tekst źródłaChoudhury, Subhasis Roy. "Posterior Urethral Valves". W Pediatric Surgery, 339–46. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-6304-6_56.
Pełny tekst źródłaGhoneimi, Alaa El, i Matthieu Peycelon. "Posterior Urethral Valves". W Pediatric Urology, 209–22. Milano: Springer Milan, 2014. http://dx.doi.org/10.1007/978-88-470-5693-0_18.
Pełny tekst źródłaStreszczenia konferencji na temat "Posterior urethral valves"
Cargill, Robert S., Kevin K. Toosi i Edward J. Macarak. "Mechanical Properties of the Fetal Bovine Bladder Lamina Propria and Their Correlation With Changes in Extracellular Matrix". W ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-193131.
Pełny tekst źródłaRaporty organizacyjne na temat "Posterior urethral valves"
Fraser, Nia, i Manoj Shenoy. The acute management of posterior urethral valves. BJUI Knowledge, styczeń 2020. http://dx.doi.org/10.18591/bjuik.0266.
Pełny tekst źródłaShenoy, Manoj, i Nia Fraser. Long-term complications of posterior urethral valves. BJUI Knowledge, marzec 2021. http://dx.doi.org/10.18591/bjuik.0267.
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