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Antibiotic prophylaxis in transurethral resection of bladder tumours: study protocol for a systematic review and meta-analysis.

ABSTRACT: BACKGROUND:The necessity of antibiotic prophylaxis for postoperative urinary tract infections (UTIs) after transurethral resection of bladder tumours is controversial. This potentially leads to the overuse of antibiotic prophylaxis and rising antimicrobial resistance rates. The objective of this systematic review and meta-analysis is to compare the impact of different antimicrobial prophylaxis schemes versus placebo on the prevention of postoperative UTI and asymptomatic bacteriuria. METHODS:We designed and registered a study protocol for a systematic review and meta-analysis of randomized controlled trials and non-randomized (e.g. cohort, case-control) studies examining any form of antibiotic prophylaxis in patients with transurethral resection of bladder tumours. Literature searches will be conducted in several electronic databases (from inception onwards), including MEDLINE (Ovid), EMBASE (Ovid), and the Cochrane Central Register of Controlled Trials (CENTRAL). Grey literature will be identified through searching conference abstracts. The primary outcome will be postoperative urinary tract infections. The secondary outcome will be asymptomatic bacteriuria. Two reviewers will independently screen all citations, full-text articles, and abstract data. Potential conflicts will be resolved through discussion. The study methodological quality (or bias) will be appraised using appropriate tools (e.g. Risk of Bias 2.0 tool and Newcastle-Ottawa Scale). If feasible, we will conduct random-effects meta-analysis of outcome data. Additional analyses will be conducted to explore the potential sources of heterogeneity (e.g. study design, publication year, the setting of the study, and antibiotics regimen). We will also search, identify, and discuss potential risk factors for urinary tract infections following transurethral resection of bladder tumours. This may serve as basis for a scoping review. DISCUSSION:In times of rising antimicrobial resistance rates, sound evidence on the necessity of antibiotic prophylaxis is essential for implementation into guideline recommendations and for decision-making in clinical practice. SYSTEMATIC REVIEW REGISTRATION:PROSPERO, CRD42019131733.

SUBMITTER: Bausch K

PROVIDER: S-EPMC7181504 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Antibiotic prophylaxis in transurethral resection of bladder tumours: study protocol for a systematic review and meta-analysis.

Bausch Kathrin K Aghlmandi Soheila S Sutter Sarah Ursula SU Stamm Linda Maria LM Ewald Hannah H Appenzeller-Herzog Christian C Roth Jan Adam JA Widmer Andreas F AF Seifert Hans-Helge HH

Systematic reviews 20200423 1

<h4>Background</h4>The necessity of antibiotic prophylaxis for postoperative urinary tract infections (UTIs) after transurethral resection of bladder tumours is controversial. This potentially leads to the overuse of antibiotic prophylaxis and rising antimicrobial resistance rates. The objective of this systematic review and meta-analysis is to compare the impact of different antimicrobial prophylaxis schemes versus placebo on the prevention of postoperative UTI and asymptomatic bacteriuria.<h4> ...[more]

PMID: 32326978

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Project description:OBJECTIVE:To explore the diagnostic performance of image technique based transurethral resection for bladder cancer, with white light-guided cystoscopy (WLC) as the reference standard. DESIGN:Systematic review and meta-analysis. DATA SOURCES:PubMed/MEDLINE, Web of Science, the Cochrane Library, Central Register of Controlled Trials and Embase from inception to 31 March 2018. METHODS:Included studies reported the diagnostic performance of photodynamic diagnosis (PDD) with 5-aminolevulinic acid (5-ALA), PDD with hexaminolevulinic acid (HAL) or narrow band imaging (NBI), with WLC as the reference standard at the patient or lesion level. The studies' risk of bias (RoB) was assessed using Quality Assessment of Diagnostic Studies-2. Data were pooled using a random effect diagnostic meta-analysis, and subgroup analyses were performed. RESULTS:Twenty-six studies comprising a total of 3979 patients were included in this diagnostic meta-analysis. Pooled sensitivity (SSY), specificity (SPY), diagnostic OR (DOR) and area under the receiver operating characteristic curve (AUROC) values were calculated per group for NBI, HAL and 5-ALA at the lesion or patient level. NBI showed significant diagnostic superiority compared with WLC at the lesion level (SSY 0.94, 95% CI 0.82 to 0.98; SPY 0.79, 95% CI 0.73 to 0.85; DOR 40.09, 95% CI 20.08 to 80.01; AUROC 0.88, 95% CI 0.85 to 0.91). NBI presented the highest DOR (358.71, 95% CI 44.50 to 2891.71) in the patient level. Subgroup analyses were performed on studies with low to moderate RoB and at least 100 patients at the lesion level. These results were consistent with those of the overall analysis. CONCLUSIONS:Pooled data indicated that image technique based transurethral resection (NBI, HAL and 5-ALA) showed diagnostic superiority compared with WLC. Moreover, NBI is potentially the most promising diagnostic intervention, showing the best diagnostic performance outcomes. Further prognostic outcomes of novel imaging technologies compared with those WLC should be explored in addition to current diagnostic performance analysis.

Project description:IntroductionThere is little evidence-based guidance on the use of prophylactic antibiotics in skin surgery; whilst antibiotics may protect against surgical site infections (SSI), they have associated side effects, increase the risk of adverse events, and can propagate antibiotic resistance. We present a protocol for a systematic review to establish whether the benefit of prophylactic antibiotics overrides the risk, for patients undergoing autograft surgery.MethodsThe systematic review will be registered a priori on researchregistry.com and will be conducted in line with the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA). A search strategy will be devised to investigate 'skin graft surgery and use of antibiotics'. The following electronic databases will be searched, 1979-2018: PubMed, MEDLINE®, EMBASE, SCOPUS, CINAHL, PsychINFO, SciELO, The Cochrane Library, including the Cochrane Central Register of Controlled Trials (CENTRAL), Database of Abstracts of Reviews of Effect (DARE), the Cochrane Methodology Register, Health Technology Assessment Database, the NHS Economic Evaluation Databases and Cochrane Groups, ClinicalTrials.gov, Current Controlled Trials Database, the World Health Organisation (WHO) International Clinical Trials Registry Platform, UpToDate.com, NHS Evidence and the York Centre for Reviews and Dissemination. Grey literature will be searched. All comparative study designs reporting on the use of antibiotics in skin graft surgery will be considered for inclusion, namely randomized controlled trials (RCTs). Two trained independent teams will screen all titles and abstracts, followed by relevant full texts, for eligibility. Data will be extracted under standardized extraction fields into a preformatted database. Note will be made of the indication for skin graft surgery (traumatic, congenital, malignant, benign), the graft site (head & neck, trunk, upper extremities, lower extremities), type of skin graft (split thickness, full-thickness). The primary outcome will be occurrence of SSI at the donor and/or recipient sites. Secondary outcomes, if reported, will include: length of hospital stay, revision surgery required, cost of medical care, time to wound healing and cosmetic outcome.Ethics and disseminationThe systematic review will be published in a peer-reviewed journal and presented at national and international meetings within fields of plastic, reconstructive, and aesthetic surgery. The work will be disseminated electronically and in print. Brief reports of the review and findings will be disseminated to interested parties through email and direct communication. The review aims to guide healthcare practice and policy.

Project description:ImportanceAlthough antibiotic prophylaxis following rhinoplasty is widespread, the evidence on antibiotic prophylaxis effectiveness and the superiority of particular administration regimens is controversial. To date, a meta-analysis on the topic has not been performed.ObjectiveTo systematically review the association between use of preventive antibiotics and postoperative complications in patients undergoing rhinoplasty and quantify the review through meta-analysis.Data sourcesMEDLINE, Embase, CINAHL, Central (Cochrane Controlled Register of Trials), Scopus, and Web of Science were searched with prospectively designed search phrases on February 16, 2018. All databases were searched from database inception. Key search terms included rhinoplasty, nasal valve repair, and antibacterial agent.Study selectionRandomized clinical trials (RCTs) with adults (≥18 years) undergoing rhinoplasty and including systemic antibiotic medications administered in the absence of other reasons for use of an antibiotic (eg, localized or systemic infection), without restrictions on language or the time of publication, were included in the study. Interventions of interest were classified into 3 types: (1) single-dose systemic antibiotic administered within 24 hours before the first incision, (2) multidose systemic antibiotic treatment started within 24 hours before the first incision and continuing after the operation, and (3) systemic antibiotic therapy (single dose or multidose) started within 24 hours after the first incision. The following comparisons were made: for the interventions of type 1, no antibiotic; for the interventions of types 2 or 3, no antibiotic or an intervention of type 1.Data extraction and synthesisData extraction was compliant with PRISMA guidelines and Cochrane Handbook for Systematic Reviews of Interventions. Two independent reviewers assessed the relevance of the remaining records at abstract and full-text stages. Meta-analysis pooled with random-effects model.Main outcomes and measuresDifference in infectious complication rate between groups.ResultsA total of 262 records were identified; of these, only 5 RCTs fulfilled predetermined population, intervention, comparison, and outcome criteria. The pooled study sample consisted of 589 participants. No significant differences in outcome of preventive antibiotic therapy given either preoperatively or postoperatively were found, with a pooled risk ratio of 0.92 (95% CI, 0.35-2.43; P = .86).Conclusions and relevanceThis study appears to be the first Cochrane-protocol systematic review and meta-analysis investigating preventive antibiotics in rhinoplasty. This study's results suggest that pooled evidence from the 5 RCTs does not support the use of preventive antibiotic therapy in rhinoplasty.Level of evidence1.

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Antibiotic prophylaxis in transurethral resection of bladder tumours: study protocol for a systematic review and meta-analysis.

Publications

Antibiotic prophylaxis in transurethral resection of bladder tumours: study protocol for a systematic review and meta-analysis.

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