Objective: There is an ongoing debate regarding the benefits of using transradial access (TRA) over transfemoral access (TFA) in endovascular therapies including endovascular thrombectomy (EVT) for acute ischemic stroke (AIS) patients. This study sought to investigate the association of TRA and TFA with procedural success, access-site complications, first-pass reperfusion (FPR), puncture-to-recanalisation (PTR) time and hemorrhagic transformation (HT) by performing a meta-analysis.
Materials And Methods: PubMed, EMBASE and Scopus were searched. Studies with patients aged ≥ 18 years and head-to-head TRA vs TFA comparisons were included. Random-effects modeling was performed to obtain summary effects and forest plots were plotted to study the association of TFA with access site complications, FPR, HT, PTR time and procedural success.
Results: Six studies encompassing 945 patients (347 TRA and 598 TFA) were included in the meta-analysis. Meta-analysis revealed that in AIS patients receiving EVT, TRA was significantly associated with a decreased risk of access-site complications (RR 0.17, 95% CI 0.05 0.54; p = 0.003, z = -2.957) and HT (RR 0.07, 95% CI 0.02 0.27; p < 0.0001, z = -3.8841). However, TRA was not significantly associated with procedural success (RR 0.96, 95% CI 0.90 1.01; p = 0.141, z = -1.473), FPR (RR 0.91, 95% CI 0.79 1.05; p = 0.194, z = -1.299) and PTR time (SMD -0.14, 95% CI -0.42 -0.14; p = 0.323, z = -0.989).
Conclusion: Our meta-analysis demonstrated that TRA is a safe alternative to TFA, in AIS patients receiving EVT, with significantly decreased access-site complications and HT with TRA, albeit with comparable procedural success, FPR and PTR time to TFA.
Data Availability Statement: The original contributions presented in the study are included in the article/Supplementary information, further inquiries can be directed to the corresponding author.
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