{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T19:55:43Z","timestamp":1789070143288,"version":"build-2803163510"},"reference-count":32,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2025,1,7]],"date-time":"2025-01-07T00:00:00Z","timestamp":1736208000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cardiovasc electrophysiol"],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Left bundle branch area pacing (LBBAP) is a new technique for patients with atrioventricular block (AVB) and preserved left ventricular ejection fraction (LVEF), potentially offering better cardiac function than right ventricular pacing (RVP).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We searched databases and registries for studies that compared LBBAP with RVP in patients with AVB and preserved LVEF. We extracted data on various outcomes and pooled the effect estimates using random\u2010effects models.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Our meta\u2010analysis included 14 studies (10 observational and 4 RCTs) involving 3062 patients with AVB. The analysis revealed that the QRS duration was significantly shorter in the LBBAP group compared to the RVP group [MD\u2009=\u2009\u221235.56\u2009ms; 95% CI: (\u221239.27, \u221231.85), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.00001]. Patients in the LBBAP group also exhibited a significant increase in left ventricular ejection fraction (LVEF) [MD\u2009=\u20095.48%; 95% CI: (4.07%, 6.89%), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.00001], and a significant reduction in left ventricular end\u2010diastolic diameter (LVEDD) compared to RVP [MD\u2009=\u2009\u22123.98\u2009mm; 95% CI: (\u22125.88, \u22122.09\u2009mm), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.0001]. In terms of clinical outcomes, LBBAP was associated with a significantly lower risk of heart failure hospitalizations (HFHs) compared to RVP [OR\u2009=\u20090.26; 95% CI: (0.16, 0.44), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.0001]. However, no significant differences were observed between the two groups in the implant success rate, pacing impedance, or pacing threshold. The RVP group demonstrated a significantly higher R\u2010wave amplitude increase than the LBBAP group [MD\u2009=\u20090.85\u2009mV; 95% CI: (0.23, 1.46), <jats:italic>p<\/jats:italic>\u2009=\u2009.007]. Lastly, there was no significant difference in the incidence of complications between the two groups [OR\u2009=\u20092.12; 95% CI: (0.29, 15.52), <jats:italic>p<\/jats:italic>\u2009=\u20090.46].<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>LBBAP outperforms RVP in several cardiac function indicators, suggesting it may be a superior pacing method for AVB patients with preserved LVEF. However, the small sample size in studies and the result in heterogeneity call for more research to validate these findings and assess LBBAP's long\u2010term effects.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jce.16548","type":"journal-article","created":{"date-parts":[[2025,1,7]],"date-time":"2025-01-07T11:12:45Z","timestamp":1736248365000},"page":"501-511","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Left Bundle Branch Area Pacing Versus Right Ventricular Pacing in Patients With Atrioventricular Block: A Systematic Review and Meta\u2010Analysis"],"prefix":"10.1111","volume":"36","author":[{"given":"Irfan","family":"Ahsan","sequence":"first","affiliation":[{"name":"Division of Cardiology Thomas Jefferson University Hospital Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1968-4962","authenticated-orcid":false,"given":"Hussam 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