Microbial colonization of sacral nerve stimulators pseudo-capsule: A single institution experience.

IF 2.1 3区医学 Q2 UROLOGY & NEPHROLOGY Investigative and Clinical Urology Pub Date : 2023-09-01 DOI:10.4111/icu.20230111

Mostafa M Mostafa, Mohamed Kamel, Ayman Mahdy

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Abstract

Purpose: To evaluate the incidence and type of microbial colonization of the pseudo-capsule (PC) that forms around sacral nerve stimulators (SNS) and consequently the significance of surgical excision of this PC at time of SNS revision or removal.

Materials and methods: A cohort of 31 patients who underwent SNS revision or removal from January 2018 to June 2021 were retrospectively reviewed. The baseline demographics, rate and type of PC microbial colonization and development of SNS insertion site infection were reported.

Results: A cohort of 31 patients who underwent "InterStim device (Medtronic)" revision or removal were included. The majority were females (93.5%). The most common indication for SNS insertion was refractory overactive bladder (67.7%). Nine patients (29.0%) underwent SNS revision due to malfunctional device, and 9 patients had SNS removal for the need of MRI procedures. Four patients (12.9%) had positive tissue culture growing Coryneform bacillus (50.0%), Cutibacterium acnes (25.0%) and Pseudomonas aeruginosa (25.0%).

Conclusions: PC colonization was uncommon at the time of SNS explant. However, more research is needed to better understand the role of PC-positive culture in increasing the risk of SNS device infections if strict adherence to sterile techniques is adopted.

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微生物定殖的骶神经刺激假胶囊:单一机构的经验。

目的:评估骶神经刺激器(SNS)周围形成的假囊(PC)的发生率和微生物定植类型，从而评估在SNS修复或移除时手术切除该假囊的意义。材料和方法:回顾性分析了2018年1月至2021年6月31例接受SNS翻修或移除的患者。报告了基线人口统计学、PC微生物定植率和类型以及SNS插入部位感染的发展情况。结果:31例接受“InterStim装置(美敦力)”翻修或移除的患者被纳入队列。以女性居多(93.5%)。最常见的适应症是难治性膀胱过动症(67.7%)。9例患者(29.0%)因装置故障进行了SNS翻修，9例患者因MRI检查需要切除了SNS。组织培养阳性4例(12.9%)，分别为棒状芽孢杆菌(50.0%)、痤疮角质杆菌(25.0%)和铜绿假单胞菌(25.0%)。结论:SNS外植体移植时PC定植不常见。然而，如果严格遵守无菌技术，需要更多的研究来更好地了解pc阳性培养在增加SNS设备感染风险中的作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Investigative and Clinical Urology Medicine-Urology

CiteScore

4.10

自引率

4.30%

发文量

审稿时长

4 weeks

期刊介绍： Investigative and Clinical Urology (Investig Clin Urol, ICUrology) is an international, peer-reviewed, platinum open access journal published bimonthly. ICUrology aims to provide outstanding scientific and clinical research articles, that will advance knowledge and understanding of urological diseases and current therapeutic treatments. ICUrology publishes Original Articles, Rapid Communications, Review Articles, Special Articles, Innovations in Urology, Editorials, and Letters to the Editor, with a focus on the following areas of expertise: • Precision Medicine in Urology • Urological Oncology • Robotics/Laparoscopy • Endourology/Urolithiasis • Lower Urinary Tract Dysfunction • Female Urology • Sexual Dysfunction/Infertility • Infection/Inflammation • Reconstruction/Transplantation • Geriatric Urology • Pediatric Urology • Basic/Translational Research One of the notable features of ICUrology is the application of multimedia platforms facilitating easy-to-access online video clips of newly developed surgical techniques from the journal''s website, by a QR (quick response) code located in the article, or via YouTube. ICUrology provides current and highly relevant knowledge to a broad audience at the cutting edge of urological research and clinical practice.