NDLI: Carotid endarterectomy with patch angioplasty versus primary closure in patients with symptomatic and significant stenosis: a systematic review with meta-analyses and trial sequential analysis of randomized clinical trials

Content Provider	Springer Nature : BioMed Central
Author	Marsman, Martijn S. Wetterslev, Jørn Jahrome, Abdelkarime Kh. Gluud, Christian Moll, Frans L. Keus, Frederik Koning, Giel G.
Abstract	Background Patch angioplasty in conventional carotid endarterectomy is suggested to reduce the risk of restenosis and recurrent ipsilateral stroke compared with primary closure. A systematic review of randomized clinical trials is needed to compare outcomes (benefits and harms) of both techniques. Methods Searches (CENTRAL, PubMed/MEDLINE, EMBASE, and other databases) were last updated 3rd of January 2021. We included randomized clinical trials comparing carotid endarterectomy with patch angioplasty versus primary closure of the arterial wall in patients with a symptomatic and significant (> 50%) carotid stenosis. Primary outcomes are defined as all-cause mortality and serious adverse events. Results We included 12 randomized clinical trials including 2187 participants who underwent 2335 operations for carotid stenosis comparing carotid endarterectomy with patch closure (1280 operations) versus carotid endarterectomy with primary closure (1055 operations). Meta-analysis comparing carotid endarterectomy with patch angioplasty versus carotid endarterectomy with primary closure may potentially decrease the number of patients with all-cause mortality (RR 0.53; 95% CI 0.26 to 1.08; p = 0.08, best-case scenario for patch), serious adverse events (RR 0.73; 95% CI 0.56 to 0.96; p = 0.02, best-case scenario for patch), and the number of restenosis (RR 0.41; 95% CI 0.23 to 0.71; p < 0.01). Trial sequential analysis demonstrated that the required information sizes were far from being reached for these patient-important outcomes. All the patient-relevant outcomes were at low certainty of evidence according to The Grading of Recommendations Assessment, Development, and Evaluation. Conclusions This systematic review showed no conclusive evidence of a difference between carotid endarterectomy with patch angioplasty versus primary closure of the arterial wall on all-cause mortality, < 30 days mortality, < 30 days stroke, or any other serious adverse events. These conclusions are based on data from 15 to 35 years ago, obtained in trials with very low certainty according to GRADE, and should be interpreted cautiously. Therefore, we suggest conducting new randomized clinical trials patch angioplasty versus primary closure in carotid endarterectomy in symptomatic patients with an internal carotid artery stenosis of 50% or more. Such trials ought to be designed according to the Standard Protocol Items: Recommendations for Interventional Trials statement (Chan et al., Ann Intern Med 1:200–7, 2013) and reported according to the Consolidated Standards of Reporting Trials statement (Schulz et al., 7, 2010). Until conclusive evidence is obtained, the standard of care according to guidelines should not be abandoned. Systematic review registration PROSPERO CRD42014013416 . Review protocol publication 2019 DOI: https://doi.org/10.1136/bmjopen-2018-026419 .
Related Links	https://systematicreviewsjournal.biomedcentral.com/counter/pdf/10.1186/s13643-021-01692-8.pdf
Ending Page	17
Page Count	17
Starting Page	1
File Format	HTM / HTML
ISSN	20464053
DOI	10.1186/s13643-021-01692-8
Journal	Systematic Reviews
Issue Number	1
Volume Number	10
Language	English
Publisher	BioMed Central
Publisher Date	2021-05-06
Access Restriction	Open
Subject Keyword	Medicine Public Health Biomedicine Statistics for Life Sciences Health Sciences Carotid stenosis Carotid endarterectomy Patch Systematic review Primary closure Trial sequential analysis GRADE Medicine/Public Health
Content Type	Text
Resource Type	Article
Subject	Medicine
Journal Impact Factor	6.3/2023
5-Year Journal Impact Factor	4.5/2023

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