Relevant bibliographies by topics / External drainage

Academic literature on the topic 'External drainage'

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Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "External drainage"

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Cummings, Ruth. "Understanding External Ventricular Drainage." Journal of Neuroscience Nursing 24, no. 2 (April 1992): 84–87. http://dx.doi.org/10.1097/01376517-199204000-00006.

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Hanscom, Thomas. "External Needle Drainage Device." Archives of Ophthalmology 130, no. 1 (January 1, 2012): 126. http://dx.doi.org/10.1001/archophthalmol.2011.369.

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Ucgul, Ahmet Yucel, Sengul Ozdek, Mestan Ertop, and Hatice Tuba Atalay. "External Drainage Alone Versus External Drainage With Vitrectomy in Advanced Coats Disease." American Journal of Ophthalmology 222 (February 2021): 6–14. http://dx.doi.org/10.1016/j.ajo.2020.09.006.

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Morita, S., S. Matsumoto, T. Soejima, R. Odani, and T. Yokota. "Biliary drainage: conversion of external to internal drainage." Radiology 167, no. 1 (April 1988): 267–68. http://dx.doi.org/10.1148/radiology.167.1.3347730.

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Martínez Martínez, Lida, and Alba Aveiro. "External ventricular drainage-related ventriculitis." Revista Virtual de la Sociedad Paraguaya de Medicina Interna 4, no. 1 (March 30, 2017): 46–56. http://dx.doi.org/10.18004/rvspmi/2312-3893/2017.04(01)46-056.

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Chan, K. H., and K. S. Mann. "Prolonged therapeutic external ventricular drainage." Neurosurgery 23, no. 4 (October 1988): 436???8. http://dx.doi.org/10.1097/00006123-198810000-00005.

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Okhotnikov, Oleg I., M. V. Yakovleva, S. N. Grigoriev, and V. I. Pakhomov. "SOME FEATURES OF CHOLESTASIS IN CANCER PATIENTS DURING THE REDUCTION OF LIVER FUNCTIONAL RESERVES." Russian Journal of Oncology 23, no. 1 (February 15, 2018): 14–19. http://dx.doi.org/10.18821/1028-9984-2018-23-1-14-19.

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Purpose. To determine the indications for the supra - and transpapillary externally-internal drainaging of the biliary tree in case of jaundice syndrome. Material and methods. The results of minimally invasive treatment of 246 patients with external-internal drainage of the biliary tree were analyzed. Among patients with proximal tumor block the external-internal drainage is made in 92 cases, in 42 (45,7%) out of them in suprapapillary embodiment and in 50 (54,3%) - via transpapillary approach. In 154 cases with distal tumor (obstruction peripapillary cancer) transpapillary drainage was performed. Results. The technical success of the external-internal drainaging was achieved in 242 patients (98,4%). It was failed to pass the duodenum in 4 patients with the cancer of common bile duct (3) and cancer of papilla of Vater (1). There was no complications related to the technique of external-internal drainage. In 18 patients (8,8%) out of 204 with transpapillary location of the drainage, we were forced to temporarily return to full outer bile outflow because of acute cholangitis. The syndrome of an acute blockade of the papilla of Vater arising after transpapillary external-internal drainaging required endoscopic papillosphincterotomy in 42 (84%) out of 50 patients with proximal tumor block bile outflow and in 7 (4.5%) out of 154 patients with peripapillary cancer. Conclusion. Suprapapillary and transpapillary embodiment of the drainage are equivalent in terms of the efficacy of cholestasis elimination. Syndrome of an acute blockade of papilla of Vater is the most often complication of the transpapillary external-internal drainage requiring the carrying out of endoscopic papillotomy «on drainage». This syndrome arises very frequently in a case of transpapillary external-internal drainage due to the proximal tumor obstruction of the biliary tree. The risk of acute cholangitis due to regurgitation after manipulation is absent in the suprapapillary location of the external-internal drainage, and with its transpapillary position is realized only with a concomitant violation of the outflow of bile.
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Avanesyan, R. G., M. P. Korolev, M. Yu Pletnev, S. N. Sabri, and T. V. Amirkhanyan. "Original method for restoring the continuity of the lobar duct of the liver in case of iatrogenic damage." Grekov's Bulletin of Surgery 181, no. 1 (September 22, 2022): 60–65. http://dx.doi.org/10.24884/0042-4625-2022-181-1-60-65.

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The OBJECTIVE was to demonstrate an original minimally invasive way to restore the continuity of the lobar duct after its complete intersection.METHODS AND MATERIALS. The study included 3 patients aged 38, 56 and 69 years who underwent laparoscopic cholecystectomy for cholelithiasis, cholecystolithiasis in various medical institutions of the city. In all patients, the intersection of the right lobar duct with the formation of an external biliary fistula in the postoperative period was revealed. RESULTS. All patients underwent recanalization of the crossed duct on the first attempt. After the fistula was formed on the frame drainage, the flow of bile through the external biliary fistula gradually regressed: in one patient, bile leakage from the abdominal cavity stopped after two days, in two patients after a week. Drainages from the subhepatic space were removed in all patients on the 9th day after restoration of the continuity of the intersect duct. Kehr's drainage was removed after 12 days in one patient, after 21 days in another. Retrograde external drainage was removed from the third patient on the 5th day after restoration of the patency of the duct on the frame drainage. After control X-ray images, the external-internal frame drainages were blocked for patients on the 5-10th day after the operation. There were no leaks of contrast agent through the restored section of the duct.CONCLUSION. The developed method of minimally invasive restoration of continuity and patency of the intersected and excised hepatic duct is an alternative to the traditional reconstructive biliodigestive bypass surgery. Long-term frame drainage of the bile duct in the area of damage allows forming sufficient diameter for an unobstructed passage of bile.
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Kumar, V. A. Kiran, N. A. Sai Kiran, V. Anil Kumar, Luis Rafael Moscote-Salazar, Amrita Ghosh, Ranabir Pal, Venkata Ramya Bola, and Amit Agrawal. "External ventricular drainage for intraventricular hemorrhage." Romanian Neurosurgery 32, no. 2 (June 1, 2018): 347–54. http://dx.doi.org/10.2478/romneu-2018-0043.

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Abstract Background: Intervention to reduce intracranial pressure using External Ventricular Drain (EVD) is a common life saving measure in a neurosurgery intensive care unit(ICU). Objective: The present study was undertaken to assess the outcome of patients who underwent external ventricular drainage for intraventricular hemorrhage(IVH). Methods: The available data of the patients who underwent placement of external ventricular drain from February 2012 to May 2016 for intraventricular hemorrhage (IVH) at Narayana Medical College and Hospital, Nellore, was retrieved from the hospital case records and analyzed. Results: Total of 69 patients were included in this study. Mean age was 53.7 ±11.6 years. Clinical presentation included altered sensorium in 66 patients (96%), hemiparesis in 62 patients (90%) , vomiting in 40 patients (58%) and seizures in 9 patients (13%). Fifty two patients (75%) were known hypertensives and 10 patients (15%) were diabetic. Past history of smoking was recorded in 16(23%) patients and alcohol intake in 17 patients (25%). GCS at the time of admission was 3-8 (low) in 39 patients (57%), 9-12 in 23 patients(33%) and 13-15 in 7 patients (10%). At the time of admission, 60 patients ( 87%) had diastolic blood pressure more than 90 mmHg, 63 patients (91%) had systolic blood pressure more than 140 mmHg. Major site of hemorrhage was basal ganglia in 24 (35%), thalamus in 13 (19%), cerebellum in 5 (7%), brain stem in 3, frontal/temporal in 2 patients. SAH with IVH was noted in 12 patients (17%) and only IVH was noted in 10 patients (14%). Mean duration of external ventricular drainage was 4.6+1.7 days (Range 1-9 days). Mean hospital stay was 11.3±7.5 days and mean ICU stay was 8+5.4 days. Thirty eight patients (55%) died during hospital stay. At the time of discharge, poor out come (Glagow out come score 1-3) was noted in 52 patients (75%) and good out come (Glagow out come score-4,5) was noted in 17 patients. Among various parameters analyzed , poor GCS (3-8) at admission, history of smoking and alcohol intake were found to correlate significantly with poor outcome. None of the other factors like old age, site of bleed, pupillary asymmetry at admission, high blood pressure at admission, past history of hypertension and diabetes were found to correlate with poor outcome. Conclusions: Majority of the patients with intracranial hematomas with intraventricular extension presented in poor neurological condition (GCS= 3-8). Poor neurological condition at the time of admission, past history of smoking and alcohol intake were associated with poor outcome.
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Snyder, Laura L., John W. Kitchens, and Shriji N. Patel. "External Choroidal Drainage Using Direct Visualization." Ophthalmic Surgery, Lasers and Imaging Retina 50, no. 8 (August 1, 2019): 529–31. http://dx.doi.org/10.3928/23258160-20190806-11.

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Dissertations / Theses on the topic "External drainage"

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Bown, Emma. "Comparison of internal and external biliary drainage procedures in preparation for surgery." Thesis, University of Leicester, 2010. http://hdl.handle.net/2381/8338.

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Vasquez, Felipe. "Permanganate passivation a study of the longevity of the process and its behavior under different external conditions /." abstract and full text PDF (free order & download UNR users only), 2008. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1460786.

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Fält, Marie. "Ventrikeldränagerelaterade infektioner inom neurokirurgisk vård : en journalstudie före och efter införandet av ett åtgärdspaket." Thesis, Röda Korsets Högskola, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:rkh:diva-62.

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Bakgrund: Ventrikeldränage används inom neurokirurgisk vård för medicinsk behandling, dränering av likvor samt mätning av intrakraniellt tryck. En infektion relaterat till ett ventrikeldränage kan vara livshotande och ge permanenta skador hos patienten. Syfte: Att analysera dokumenterade skillnader i ventrikeldränagerelaterade infektioner, vårdtid och mortalitet, före och efter införande av nya hygienrutiner - ett åtgärdspaket. Metod: Ett åtgärdspaket med medicinska- och omvårdnadsåtgärder har med hjälp av genombrottsmetoden tagits fram för att minska de ventrikeldränagerelaterade infektionerna. Studien är kvantitativ med empirisk ansats. Konsekutivt urval av patienter som erhållit ventrikeldränage under första halvåret 2008 samt första halvåret 2009. Totalt 150 patienter har ingått i studien. Data har analyserats med deskriptiv och analytiska statistik. Resultat: De vårdrelaterade infektionerna minskade mellan de två mätperioderna. Resultatet visar inga tydliga samband mellan vilken av åtgärderna som haft effekt på minskningen av infektionerna. Däremot ses att de som haft bättre följsamhet till åtgärdspaketet har drabbats av färre infektioner. Signifikant samband finns mellan riskhandhavande som spolning av dränage och läckage vid dränaget instickställe, samt infektioner. Slutsats: Studien indikerade i att de ventrikeldränagerelaterade infektionerna har minskat efter insättande av åtgärdspaketet.
Background: External ventricular drainage (EVD) is used within neurosurgical care for medical treatment, temporary drainage of cerebrospinal fluid (CSF) and to measure intracranial pressure. An infection related to an EVD can be life threatening and cause permanent damage to the patient. Objective: To analyze the documented differences in EVD related infections, length of hospitalization and mortality, before and after the introduction of new hygiene routines – a bundle. Method: A package with medical and nursing interventions has been developed using a breakthrough method to reduce EVD related infections. The study is quantitative and has an empirical approach. A consecutive sample of patients who received an EVD during the first half of 2008 and 2009 respectively were chosen. In total 150 patients were included in the study. The data was analyzed with descriptive and analytical statistics. Results: The EVD related infections have decreased between the two time periods. No clear correlation between which actions had a direct effect on the reduction of infections was found. Those patients that had a better adherence to the package suffered fewer infections. A prevalent correlation was found between high risk actions such as flushing the EVD and CSF leaks from the site of puncture, and subsequent infections. Conclusion: The study indicates that the EVD related infections have decreased after the implementation of the package.
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Lenfeldt, Niklas. "The search for reversibility of Idiopathic normal pressure hydrocephalus : Aspects on intracranial pressure measurments and CSF volume alteration." Doctoral thesis, Umeå universitet, Farmakologi och klinisk neurovetenskap, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1422.

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BACKGROUND: Idiopathic normal pressure hydrocephalus (INPH) is still a syndrome generating more questions than answers. Today, research focuses mainly on two areas: understanding the pathophysiology – especially how the malfunctioning CSF system affects the brain parenchyma – and finding better methods to select patients benefiting from a shunt operation. This thesis targets the aspect of finding better selection methods by investigating the measurability of intracranial pressure via lumbar space, and determining if intraparenchymal measurement of long-term ICP-oscillations (B-waves) could be replaced by short-term measurements of CSF pulse pressure waves via lumbar space. Furthermore, I look into the interaction between the CSF system and the parenchyma itself by investigating how the cortical activity of the brain changes after long-term CSF drainage, and if there is any regress in the suggested ischemia after this intervention. Finally, I examine if the neuronal integrity in the INPH brain is impaired, and if this feature is relevant for the likeliness of improvement after CSF diversion. METHODS: The comparison of intracranial and lumbar pressure was made over a vast pressure interval using our unique CSF infusion technique, and it included ten INPH patients. Pressure was measured via lumbar space and in brain tissue, and the pressures were compared using a general linear model. Short-term lumbar pressure waves were quantified by determining the slope between CSF pulse pressure and mean pressure, defined as the relative pulse pressure coefficient (RPPC). The correlation between RPPC, B-waves and CSF outflow resistance was investigated. In a prospective study, functional MRI was used to assess brain activity before and after long-term CSF drainage of 400 ml of CSF in eleven INPH patients. The functionalities tested included finger movement, memory, and attention. The results were benchmarked against the activity in ten healthy controls to identify the brain areas improving after drainage. The ischemia (Lactate) and neuronal integrity (NAA and Choline) were measured in a similar manner in 16 patients using proton MR spectroscopy, and the improvement of the patients after CSF drainage was based on assessment of their gait. RESULTS: There was excellent agreement between ICP measured in brain tissue and via lumbar space (regression coefficient = 0.98, absolute difference < 1 mm Hg). Adjusting for the separation distance between the measuring devices slightly worsened the agreement, indicating other factors influencing the measured difference as well. RPPC measured via lumbar space significantly correlated to the presence of B-waves, but not to outflow resistance. In the prospective study, controls outperformed patients on clinical tests as well as tasks related to the experiments. Improved behaviour after CSF drainage was found for motor function only, and it was accompanied by increased activation in the supplementary motor area (SMA). No lactate was detected, either before or after CSF drainage. NAA was decreased in INPH patients compared to controls, and the NAA levels were higher in the patients improving after drainage. CONCLUSIONS: ICP can be accurately measured via lumbar space in patients with communicating CSF systems. The close relation between RPPC and B-waves indicates that B-waves are primarily related to intracranial compliance, and that measurement of RPPC via lumbar space could possibly substitute B-wave assessment as selection method for finding suitable patients for shunt surgery. Improvement in motor function after CSF drainage was associated to enhanced activity in SMA, supporting the involvement of the cortico-basal ganglia-thalamo-cortical loop in the pathophysiology of INPH. There was no evidence indicating a widespread low-graded ischemia in INPH; however, there was a neuronal dysfunction in frontal white matter as indicated by the reduced levels of NAA. In addition, the level of neuronal dysfunction was related to the likeliness of improvement after CSF removal, normal levels of NAA predisposing for recovery.
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Klein, Olivier. "Hydrocéphalie. Mesure du débit extériorisé du liquide cérébrospinal chez l'adulte hydrocéphale porteur d'une dérivation ventriculaire externe (DVE) : Relations pression et résistance en fonction du débit des systèmes de DVE." Thesis, Nancy 1, 2009. http://www.theses.fr/2009NAN10137/document.

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L'hydrocéphalie est un trouble de l'hydrodynamique du liquide cérébro-spinal (LCS) responsable d'une augmentation de volume du compartiment imparti à ce liquide. Nous présentons l'état actuel des connaissances concernant le LCS et sa dynamique (sécrétion, circulation, réabsorption), l'hydrocéphalie et son traitement. Nous abordons également la pression intracrânienne (PIC), indissociable des éléments précédents. Ce travail se compose d'une recherche bibliographique, d'une recherche clinique et d'une recherche fondamentale en laboratoire. Le but de l'étude clinique est de mesurer le débit externalisé de LCS (Q'extcsf) et la PIC chez le patient hydrocéphale porteur d'une dérivation ventriculaire externe (DVE). Douze patients sont inclus. Les moyennes (+/- DS) de Q'extcsf et de la PIC sont respectivement 7.5 +/- 3.4 ml/h et 12.4 +/- 2.7 mmHg. Deux profils de Q'extcsf sont identifiés : un profil de sécrétion continu et un profil de sécrétion discontinu. Les variations à court terme de Q'extcsf et de la PIC ne sont généralement pas reliées, probablement en raison des relations pression/volume à l'intérieur du compartiment intracrânien. Q'extcsf est plus faible que le débit de sécrétion de LCS (21 ml/h), laissant supposer une absorption persistante ou une sécrétion diminuée. Le but de la recherche en laboratoire est de comparer les relations pression/résistance en fonction du débit de deux systèmes de DVE. L'un des systèmes commercialisé présente, pour les bas débits, une résistance très importante, qui décroît quand le débit augmente, pour se stabiliser à 0.05 hPa/ml/h à partir de 20 ml/h. L'autre système présente une résistance pratiquement nulle quel que soit le débit
Hydrocephalus is a hydrodynamic disorder of cerebrospinal fluid (CSF) responsible for an increasing volume of its dedicated compartment. We present the current knowledge regarding CSF and its dynamic (secretion, circulation and absorption), hydrocephalus and its treatment. In addition, we study intracranial pressure (ICP), a variable indissociable from the previous ones. In addition to this bibliographic research, this work is composed of a clinical research and a fundamental research. The aim of the clinical study is to monitor externalized CSF outflow (Q'extcsf) and ICP in hydrocephalic patients with external ventricular drainage. Twelve patients are included. The mean + SD Q'extcsf and ICP are respectively 7.5 + 3.4 ml/h and 12.4 + 2.7 mmHg. Two patterns of Q'extcsf are identified: a continuous profile and a discontinuous one. The short term variations of Q'extcsf and ICP are usually unrelated, presumably because of the pressure/volume relationships within the intracranial compartment. Q'extcsf is lower than the reference production rate (21 ml/h), raising the question of persistent CSF absorption and/or depressed secretion. The aim of the fundamental research is to compare the pressure/resistance relationships to flow of two external ventricular drainage sets. One of the two existing systems present, for lower outflow, a very important resistance, decreasing with flow increase, and stabilizing at 0.05 hPa/ml/h when flow reaches 20 ml/h. the other system shows an almost nil resistance whatever the flow
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Depner, Felix [Verfasser]. "Infektionsraten bei externer ventrikulärer Liquordrainage : Vergleichende Untersuchung von Standard-Polyurethan-Drainagen, antibiotikaimprägnierten und silberimprägnierten Ventrikelkathetern sowie Analyse von Risikofaktoren für die katheterassoziierte Infektion des Liquorraumes / Felix Depner." Berlin : Medizinische Fakultät Charité - Universitätsmedizin Berlin, 2009. http://d-nb.info/102362253X/34.

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"Immune function after relief of obstructive jaundice by internal and external drainage." 2000. http://library.cuhk.edu.hk/record=b6073242.

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by Li Wen.
"April 2000."
Thesis (Ph.D.)--Chinese University of Hong Kong, 2000.
Includes bibliographical references (p. 200-236).
Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web.
Mode of access: World Wide Web.
Abstracts in English and Chinese.
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8

Hsu, Wan-Chun, and 徐萬均. "Predicting successful weaning from external ventricular drainage in patients with intraventricular hemorrhage." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/73618422720494241288.

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碩士
國立雲林科技大學
工業工程與管理系
102
Cerebrovascular disease accounted for the third leading cause of death in Taiwan, according to the Ministry of Health and Welfare. It's cause approximately 30,800 people of deaths in Taiwan of 2012. Spontaneous intracerebral haemorrhage (sICH) is high incidence from 20% to 30 % in Taiwan. In most circumstances, sICH patients with acute hydrocephalus is managed by insert of an external ventricular drain (EVD). However, after EVD removed, some patients with hydrocephalus caused by cerebrospinal fluid obstruction need to the insertion of a ventriculo-peritoneal shunt (VPS) as a permanent means of CSF drainage. Based on the hospital data after EVD removal cause Hydrocephalus is approximately 20%. This study use case review of stroke patients undergoing surgery on a Regional Hospital in Middle Taiwan. The use of computer tomography images to distinguish cerebral hemorrhage or infarction, determine the amount of bleeding and hemorrhage location.This study use of statistical methods found that influence EVD removal factors and apply data mining to construct predictive model. This study found that ANN outperform the other two methods with Correction rate is 92% and AUC 89%.It could use ANN established prediction model to determine whether sICH patients assessable will be placement VPS in future.
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Ku, Chu-Mei, and 古菊梅. "The Accuracy and Reproducibility of Using External Ventricular Drainage System to Measure Intracranial Pressure." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/97953547865211921842.

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碩士
臺北醫學大學
護理學研究所
95
The purpose of this study was to examine the accuracy and reproducibility of intracranial pressure (ICP) measured by the external ventricular drainage (EVD) system. The effect of specific gravity (SpGr) of cerebral spinal fluid (CSF) on the accuracy of the EVD-measured-ICP was also determined. Sixty-two subjects with EVD system were included. The ventriculostomy catheter connected to both the ICP monitor and EVD system was used to measure ICP. ICP was repeatedly measured 6 times in three positions: head at 0 degree, head up 15 degree and head up 30 degree. The accuracy of the EVD-measured-ICP was determined using the Pearson’s correlation, paired t-test, and Bland-Altman method. Analysis of the reproducibility of ICP measurements by EVD system was done with the Pearson’s correlation and coefficient of variation (CV). The mean of ICP between two measurements was significantly correlated (r = .93, p < .001) at head 0 degree position, and the bias (mean difference) showed significant differences (p < .001), the standard deviation was 2.0 ± 1.6 mmHg, and the limit of agreement (bias ± 2SD) were between - 1.2 and 5.2 mmHg. Position at head up 15 degree displayed significant correlation (r = .94, p < .001), the bias showed significant differences (p < .001), and the standard deviation was 2.1 ± 1.5 mmHg, with the limits of agreement being - 0.9 and 5.2 mmHg. At head up 30 degree, the correlation between measurements was significant (r = .95, p < .001), the bias had significant difference (p < .001), the standard deviation was 2.0 ± 1.6 mmHg, and the limits of agreement were - 1.2 and 4.9 mmHg. There was no significant correlation between SpGr of CSF and difference of mean ICP by EVD system and monitor measurements (p > .05). The EVD-measured-ICP had good reproducibility (p < .001). But the CV at head 0 degree was 3.69%, head up 15 degree was 6.62%, and head up 30 degree was 7.88%. The CV became worse as the head elevated. In conclusion, the agreement of ICP measurements between the EVD system and monitor was poor, and the SpGr of CSF did not affect this result. Therefore, the EVD system cannot replace the monitor for ICP measurement. The results suggested good measurement at supine position when ICP was measured by the EVD system. Key words: External ventricular drainage system, Intracranial pressure measurement, Accuracy, Reproducibility
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Sekhar, Vimal. "Effectiveness of endoscopic versus external surgical approaches in the treatment of orbital complications of rhinosinusitis: a systematic review and meta-analysis." Thesis, 2020. http://hdl.handle.net/2440/124811.

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Objective: This review aims to investigate and compare the effectiveness of endoscopic drainage techniques against external drainage techniques for the treatment of orbital abscesses, subperiosteal abscesses and cavernous sinus thrombosis as a complication of rhinosinusitis. Introduction: Transnasal endoscopic drainage and external drainage techniques have been used in the management of subperiosteal orbital abscesses secondary to rhinosinusitis. Each of these approaches has its own advantages and disadvantages, with extensive literature describing each technique separately. However, there is a lack of guidance in the studies on assessing and comparing the safety, effectiveness and suitability of these techniques. This review aims to compare the effectiveness of these techniques based on outcome measures in the literature such as: length of postoperative hospital stay, rate of revision surgery and complication rates. Inclusion criteria: Eligible studies included people of all ages diagnosed with subperiosteal abscess, orbital abscess or cavernous sinus thrombosis (Chandler stages III–V) secondary to rhinosinusitis disease, who have also undergone drainage via either an endoscopic approach, an external approach or a combined surgical approach. Methods: A comprehensive search of both published and unpublished literature was performed to uncover studies meeting the inclusion criteria. Reference lists of studies included in final analyses were also manually searched. Two reviewers screened studies and a third reviewer was engaged to resolve any disagreements. Studies were, where possible, pooled in statistical meta-analysis, with heterogeneity of data being assessed using the standard Chi-squared and I2 tests. Results: This review identified nine studies (of limited quality) assessing either endoscopic, external or combined surgical drainage techniques for subperiosteal orbital abscesses. Each of these techniques encompassed a wide variety of surgical approaches, with some variation. Recurrence rates were lower in the combined drainage group, with comparative meta-analysis with external drainage not indicating a statistically significant higher risk of recurrence with external drainage (RR 0.25, 95% CI 0.05-1.29 p = 0.10). Single group analysis of recurrence showed that the overall rate of recurrence was much lower in the combined group (4%, 95% CI 0.08-17.12) in comparison with the external (24%, 95% CI 11-40) or endoscopic groups (26%, 95% CI 10-45). Analysis of total hospitalisation revealed endoscopic drainage was associated with longer total hospitalisation than external drainage, although this difference was not significant (mean difference 0.10 days, 95% CI -4.76 to 4.96 p=0.97). Combined drainage was associated with a slightly longer total hospitalisation than external drainage (mean difference 0.94 days, 95% CI -0.79 to 2.67 p = 0.29). Combined drainage was associated with a longer total hospitalisation than endoscopic drainage (mean difference -0.70 days, 95% CI -3.48 to 2.07 p = 0.62). Post-operative stay analysis revealed longer post-operative stay in the external drainage group when compared to the combined drainage group (mean difference -0.16 days, 95% CI -1.15-0.83 p = 0.76). Conclusion: Imminent treatment of subperiosteal orbital abscesses via medical and surgical treatment methods is vital, given the high morbidity associated with the disease. This review identified nine studies (of limited quality) assessing either endoscopic, external or combined surgical drainage techniques for subperiosteal orbital abscesses. Each of these techniques encompassed a wide variety of surgical approaches with some variation. All drainage strategies have acceptable outcomes in relation to recurrence rates, total hospitalisation (days), post-operative stay (days) and complication rate. It is important to clinically identify the presence of subperiosteal orbital abscess, organise for an immediate computed tomography scan of the orbit and sinuses, and commence intravenous antibiotics quickly prior to deciding whether surgery is required or not. This review supports the view that surgeons should choose the appropriate surgical technique based on what they are comfortable and familiar with and what would be the safest option for the patient.
Thesis (MClinSc) -- University of Adelaide, The Joanna Briggs Institute, 2020
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Books on the topic "External drainage"

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Pitman, Phil. External works, roads and drainage: A practical guide. London: Spon Press, 2001.

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Pitman, Phil. External Works, Roads and Drainage: A Practical Guide. London: Spon Press, 2001.

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Pitman, Phil. External Works, Roads and Drainage. CRC Press, 2001. http://dx.doi.org/10.1201/9781482272246.

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External Works and Drainage-A Practical Guide. Taylor & Francis Group, 2001.

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Pitman, Phil. External Works, Roads and Drainage: A Practical Guide. Taylor & Francis Group, 2017.

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Pitman, Phil. External Works, Roads and Drainage: A Practical Guide. Taylor & Francis Group, 2001.

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Pitman, Phil. External Works, Roads and Drainage: A Practical Guide. Taylor & Francis Group, 2001.

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Kahn, S. Lowell. Use of Contrast-Fortified Surgilube for Biliary Drainage in the Setting of Active Leakage. Edited by S. Lowell Kahn, Bulent Arslan, and Abdulrahman Masrani. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199986071.003.0083.

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Biliary leaks are a common clinical entity that may occur after trauma or surgery. Endoscopic retrograde cholangiopancreatography (ERCP) is the first choice of treatment for an active biliary leak. Percutaneous transhepatic cholangiography (PTC) with drain placement (external or internal/external) is increasingly employed either alone or as an adjunct to endoscopy (Rendezvous procedure) or surgery. Performance of a PTC on the nondilated system remains technically challenging and is associated with extra needle passes and significantly longer fluoroscopy times. Technical challenges arise from needle localization of a small nondilated duct and the contrast that is injected will pass through the leak rather than distending and opacifying the ducts. This chapter describes the use of contrast-fortified Surgilube for biliary opacification in the setting of an active biliary leak.
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Chiumello, Davide, and Silvia Coppola. Management of pleural effusion and haemothorax. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0125.

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The main goal of management of pleural effusion is to provide symptomatic relief removing fluid from the pleural space. The options depend on type, stage, and underlying disease. The first diagnostic instrument is the chest radiography, while ultrasound can be very useful to guide thoracentesis. Pleural effusion can be a transudate or an exudate. Generally, a transudate is uncomplicated effusion treated by medical therapy, while an exudative effusion is considered complicated effusion and should be managed by drainage. Refractory non-malignant effusions can be transudative (congestive heart failure, cirrhosis, nephrosis) or exudative (pancreatitis, connective tissue disease, endocrine dysfunction), and the management options include repeated therapeutic thoracentesis, in-dwelling pleural catheter for intermittent external drainage, pleuroperitoneal shunts for internal drainage, or surgical pleurectomy. Parapneumonic pleural effusions can be classified as complicated when there is persistent bacterial invasion of the pleural space, uncomplicated and empyema with specific indications for pleural fluid drainage. Malignancy is the most common cause of exudative pleural effusions in patients aged >60 years and the decision to treat depends upon the presence of symptoms and the underlying tumour type. Options include in-dwelling pleural catheter drainage, pleurodesis, pleurectomy, and pleuroperitoneal shunt. Haemothorax needs to be differentiated from a haemorrhagic pleural effusion and, when suspected, the essential management is intercostal drainage. It achieves two objectives to drain the pleural space allowing expansion of the lung and to allow assessment of rates of blood loss to evaluate the need for emergency or urgent thoracotomy.
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Blasi, Francesco, and Paolo Tarsia. Pathophysiology and causes of haemoptysis. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0126.

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The main goal of management of pleural effusion is to provide symptomatic relief removing fluid from pleural space and the options depend on type, stage and underlying disease. The first diagnostic instrument is the chest radiography while ultrasound can be very useful to guide thoracentesis. Pleural effusion can be a transudate or an exudate. Generally a transudate is uncomplicated effusion treated by medical therapy, while an exudative effusion is considered complicated effusion and should be managed by drainage. Refractory non-malignant effusions can be transudative (congestive heart failure, cirrhosis, nephrosis) or exudative (pancreatitis, connective tissue disease, endocrine dysfunction), and the management options include repeated therapeutic thoracentesis, indwelling pleural catheter for intermittent external drainage, pleuroperitoneal shunts for internal drainage, or surgical pleurectomy. Parapneumonic pleural effusions can be divided in complicated when there is persistent bacterial invasion of the pleural space, uncomplicated and empyema with specific indications for pleural fluid drainage. Malignancy is the most common cause of exudative pleural effusions in patients aged >60 years and the decision to treat depends upon the presence of symptoms and the underlying tumour type. Options include indwelling pleural catheter drainage, pleurodesis, pleurectomy and pleuroperitoneal shunt. Hemothorax needs to be differentiated from a haemorrhagic pleural effusion and when is suspected the essential management is the intercostal drainage. It achieves two objectives to drain the pleural space allowing expansion of the lung and to allow assessment of rates of blood loss to evaluate the need for emergency or urgent thoracotomy.
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Book chapters on the topic "External drainage"

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Singhal, Vasudha. "External ventricular drainage." In Essentials of Anesthesia for Neurotrauma, 531–38. Boca Raton : Taylor & Francis, 2018.: CRC Press, 2018. http://dx.doi.org/10.1201/9781315166742-39.

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Ali, Mohammad Javed. "Primary External Dacryocystorhinostomy." In Atlas of Lacrimal Drainage Disorders, 381–87. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5616-1_44.

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Ali, Mohammad Javed. "Revision External Dacryocystorhinostomy." In Atlas of Lacrimal Drainage Disorders, 461–65. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5616-1_54.

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Cooley, Laura A., Daniel G. Bausch, Marija Stojkovic, Waldemar Hosch, Thomas Junghanss, Marija Stojkovic, Waldemar Hosch, et al. "External Ventricular Drainage (EVD)-Related CNS Infection." In Encyclopedia of Intensive Care Medicine, 909–10. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-00418-6_686.

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Boulard, G., P. Ravussin, C. Gross, and J. Guérin. "A New Way to Monitor External Ventricular Drainage." In Intracranial Pressure VIII, 36–41. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-77789-9_8.

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Krause, S. Hahne, M. Walter, M. Kiefer, S. Linke, K. Radermacher, and S. Leonhardt. "Brain Pressure Dynamics and Control with an External Ventricular Drainage." In IFMBE Proceedings, 315–18. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23508-5_82.

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Brinker, T., H. G. Höllerhage, D. Fotopoulou, and C. Götz. "External Ventricular Drainage for Treatment of Acute Hydrocephalus After Subarachnoid Hemorrhage." In Advances in Neurosurgery, 115–19. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-77997-8_20.

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Heindl, Ludwig M., Anselm G. M. Jünemann, and Leonard M. Holbach. "Clinicopathologic Features of Lesions Affecting the Lacrimal Drainage System in External Dacryocystorhinostomy." In Oculoplastics and Orbit, 95–104. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-85542-2_6.

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Taheri, A., and M. Brock. "External Ventricular Drainage in the Management of Hypertensive Intracerebral Hemorrhage with Rupture Into the Ventricles." In Intracranial Pressure VII, 741–44. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73987-3_196.

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Manet, R., E. A. Schmidt, F. Vassal, D. Charier, and L. Gergelé. "CSF Lumbar Drainage: A Safe Surgical Option in Refractory Intracranial Hypertension Associated with Acute Posttraumatic External Hydrocephalus." In Acta Neurochirurgica Supplement, 55–59. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-22533-3_11.

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Conference papers on the topic "External drainage"

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Simkins, Jeffrey R., Vignesh Subbian, and Fred R. Beyette. "A programmable point-of-care device for external CSF drainage and monitoring." In 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2014. http://dx.doi.org/10.1109/embc.2014.6944045.

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Liu, Xuhui, Jinsong Zhang, and Ronghe Wang. "Study on External Water Quantity Calculation of Drainage Systems Based on Conductivity Measurement." In International Conference on Pipelines and Trenchless Technology. Reston, VA: American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784413142.016.

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Zhao, Ji-xue, and Xin Fu. "The Application of combination of External Drainage from Intestinal Cavity and Peritoneal Drainage on the Surgical Treatment for Neonates with Necrotizing Enterocolitis." In 2017 4th International Conference on Machinery, Materials and Computer (MACMC 2017). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/macmc-17.2018.87.

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Ye, Chunmiao, Georgio Tachiev, and Chengxian Lin. "Numerical Modeling and Analysis of Drainage Patterns of Saltcake in a Column." In ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/fedsm2006-98438.

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Saltcake, previously dissolved salts, such as sodium nitrate and sodium nitrite that crystallize out of solution, is a kind of porous media and an important component in many nuclear waste tanks. In this paper both one-dimensional single-phase and multi-phase flow model was employed to simulate unsaturated drainage of saltcake in a column caused by gravity or external forces under given initial and boundary conditions. Porous media properties used in the modeling was determined from our previous experimental data by inverse modeling method. Good agreement was found between the drainage result from available experiments and that from the numerical simulation using multiphase flow model. The impact on drainage by external pressure applying at the top of column and the influence of the height of column were also be investigated and presented in this study.
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Wang, Jiahui, Junjun Ye, and Rongguo Yan. "The Magnetostatic Simulation and Determination of Magnetic Components for an External Ventricular Drainage Device." In 2021 40th Chinese Control Conference (CCC). IEEE, 2021. http://dx.doi.org/10.23919/ccc52363.2021.9549326.

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Justaniah, Almamoon, Zergham Zia, and Majed Ashour. "Extra-Anatomic Internal–External Biliary Drainage Catheters to Manage Iatrogenic Common Hepatic Duct Injury." In PAIRS 2022 Annual Congress. Thieme Medical and Scientific Publishers Pvt. Ltd., 2022. http://dx.doi.org/10.1055/s-0042-1756232.

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Farrag, Khalid A. "External Corrosion Growth-Rate From Soil Properties." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31416.

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External corrosion growth rate is an essential parameter to establish the time interval between successive pipe integrity evaluations. Actual corrosion rates are difficult to measure or predict. NACE Standard RP0502 [1] recommends several methods including comparison with historical data, buried coupons, electrical resistance (ER), and Linear Polarization Resistance (LPR) measurements. This paper presents a testing program and procedure to validate the use of the LPR and ER methods to enhance the estimation of corrosion growth rates and improve the selection of reassessment intervals of gas transmission pipelines. Laboratory and field tests were performed using the LPR and ER technologies. The evaluation of soil parameters that affect localized corrosion included its type, moisture content, pH, resistivity, drainage characteristics, chloride and sulfite levels, and soil Redox potential. The results show that the LPR device provides instantaneous measurement of corrosion potential and it may be used to reflect the variations of corrosion rates with the changes of soil conditions, moisture, and temperature. However, LPR measurements are more efficient in saturated soils with uncertainty about its validity in partially and totally dry soils. Consequently, seasonal changes in soil conditions make it difficult to estimate total corrosion growth rate. On the other hand, the measurements using the ER method provided consistent estimates for long-term corrosion growth rates. Corrosion growth rates were also evaluated from a previous study by the National Institute of Standards (NIST) [2]. A procedure was developed to correlate soil properties to corrosion rates from the ER measurements and NIST data. The procedure was implemented in a computer program to provide an estimate of corrosion rate based on the soil input data and allows the operator to use the ER probes to improve the reliability of corrosion rate estimates.
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Eslami, Abdoulmajid, Trevor Place, Shamus McDonnell, Chijioke Ukiwe, and Qin You. "Landscape Investigation on External Corrosion and SCC of a Tape Coated Enbridge Pipeline." In 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90598.

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It is generally believed that physical and chemical condition of the pipeline environment (such as soil texture, drainage, ground topography, cathodic protection level, pH, etc) in addition to pipeline construction factors (such as pipe vs. ground slope, type and quality of the pipe coating, etc.) affect the incidence and severity of external corrosion and SCC on pipelines. In an attempt to identify locations of highest susceptibility to external corrosion and cracking on a tape coated Enbridge pipeline, and to aid integrity management processes; Enbridge embarked on a project investigating landscape factors which might affect the severity of external corrosion and stress corrosion cracking (SCC) on the pipeline. Results showed that some of the investigated factors had positive correlations with the severity of external corrosion and SCC on the tape coated pipeline. However, despite the positive correlations observed, they were not strong enough to be used as an independent predictive tool.
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Rezbárik, Ján, Dušan Majerský, and Stanislav Sekely. "Decontamination of the Special Drainage System at NPP A-1." In ASME 2001 8th International Conference on Radioactive Waste Management and Environmental Remediation. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/icem2001-1305.

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Abstract The first Czecho-slovak nuclear power plant A-1 was shut down after an accident in 1977 and it is now under decommissioning. In spite of that, some technological systems in nuclear power plant must remain in operation. The planned service life of these systems has already been exceeded and their technical design is not suitable for present requirements. These operated technological systems must be repaired and reconstructed. The special drainage system is one of the technological systems that must be in operation during the decommissioning process. After twenty-nine-year’-s of operation it became necessary to carry out the repairs, adaptations and replacements of some parts of this system with the aim to ensure more reliable operation and higher safety. Radioactive sludge from the bottom of the collecting tank and drain pit was pumped out using an ejector and it was caught in drums. The fixed contamination on the inner surface of the collecting tank was removed by the chemical loop decontamination method using an external circulating decontamination device. The surface of the drain pit was decontaminated with evenly spread decontamination gel that disrupted the fixed contamination. The contamination was then washed down using a water jet system with attached rotary brushes. At NPP A-1, an immobilisation method for the treatment of radioactive sludge and solid particles based on the addition of silicates was successfully used by AllDeco for the first time. This sludge is often sticky with the high tendency to settle out the liquid and has a specific activity three orders of magnitude higher than are the limits for the Conditioning Centre (with high content of alpha radionuclides) and because it is not sound and effective to treat it by technologies generally used for another type of wastes. The immobilisation of the sludge was performed at room temperature. The resulting solid product has suitable properties for temporary storage. Procedures for the verification of the treatment of further sludge from NPP A-1 have been started.
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Watzko, Elise, laryssa moraes, Julia Anselmo, Tatiana Pineda, REGINA ANTONIO, Lauber Martins, and JOSÉ VIRIATO COELHO VARGAS. "The effect of the external load on the performance of microbiological fuel cells for acid mine drainage remediation and energy generation." In 26th International Congress of Mechanical Engineering. ABCM, 2021. http://dx.doi.org/10.26678/abcm.cobem2021.cob2021-1591.

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Reports on the topic "External drainage"

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Chang, Ke-Vin. Ultrasonography for the Diagnosis of Carpal Tunnel Syndrome: A Protocol for an Umbrella Review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, April 2022. http://dx.doi.org/10.37766/inplasy2022.4.0058.

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Review question / Objective: This meta-analysis aimed to compare the clinical effectiveness and safety between radioactive versus normal stent insertion for patients with malignant hilar obstruction. Condition being studied: Malignant hilar obstruction (MHO) is a common clinical condition that is caused by the hilar cholangiocarcinoma, gallbladder carcinoma, or hilar metastasis. Most of the patients with MHO underwent palliative biliary drainage or stening by an endoscopic or percutaneous approach until end of life. The previous studies suggested that that bilateral stent placement and the use of metal stents are superior to unilateral and plastic stents in the items of stent patency. However, bilateral stenting did not improve the patients’ overall survival (OS) because stent alone had no treatment effect on the tumors themselves. Although several treatment options, including chemotherapy, external radiation, intra-ductal brachytherapy, etc, has been used to prolong the stent patency and OS for patients with malignant biliary obstruction (MBO), intra-ductal brachytherapy using I-125 seeds has been widely used because of its persistent brachytherapeutic effect. To combine the I-125 seeds and metal stent together, many researchers have developed a radioactive stent (RS) for the patients with MBO. Many meta-analyses also confirmed that RS insertion was associated with significant longer stent patency and OS for patients with MBO when compared to normal stent (NS). However, whether RS can also provide a good effectiveness for patients with MHO is still unclear.
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