{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,7]],"date-time":"2026-04-07T06:47:51Z","timestamp":1775544471874,"version":"3.50.1"},"reference-count":18,"publisher":"Elsevier BV","issue":"2","license":[{"start":{"date-parts":[[2026,3,1]],"date-time":"2026-03-01T00:00:00Z","timestamp":1772323200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,3,1]],"date-time":"2026-03-01T00:00:00Z","timestamp":1772323200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2026,2,12]],"date-time":"2026-02-12T00:00:00Z","timestamp":1770854400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Indian Pacing and Electrophysiology Journal"],"published-print":{"date-parts":[[2026,3]]},"DOI":"10.1016\/j.ipej.2026.02.009","type":"journal-article","created":{"date-parts":[[2026,2,14]],"date-time":"2026-02-14T15:56:33Z","timestamp":1771084593000},"page":"114-120","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":1,"title":["Left bundle cardiac resynchronization therapy versus left bundle optimized cardiac resynchronization therapy"],"prefix":"10.1016","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5619-1940","authenticated-orcid":false,"given":"Chinmay","family":"Parale","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1712-802X","authenticated-orcid":false,"given":"Suresh Kumar","family":"Sukumaran","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5902-6972","authenticated-orcid":false,"given":"Dinakar","family":"Bootla","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K.E.","family":"Sivavignesh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9385-9177","authenticated-orcid":false,"given":"Ashish","family":"Jain","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8579-4684","authenticated-orcid":false,"given":"Sridhar","family":"Balaguru","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Santhosh","family":"Satheesh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Avinash","family":"Anantharaj","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A Shaheer","family":"Ahmed","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7896-8861","authenticated-orcid":false,"given":"Raja","family":"Selvaraj","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"issue":"20","key":"10.1016\/j.ipej.2026.02.009_bib1","doi-asserted-by":"crossref","first-page":"2470","DOI":"10.1093\/eurheartj\/ehp368","article-title":"Characteristics of heart failure patients associated with good and poor response to cardiac resynchronization therapy: a PROSPECT (Predictors of Response to CRT) sub-analysis","volume":"30","author":"van Bommel","year":"2009","journal-title":"Eur Heart J"},{"issue":"2","key":"10.1016\/j.ipej.2026.02.009_bib2","doi-asserted-by":"crossref","first-page":"258","DOI":"10.1093\/europace\/eus340","article-title":"Mortality and morbidity in cardiac resynchronization patients: impact of lead position, paced left ventricular QRS morphology and other characteristics on long-term outcome","volume":"15","author":"Jastrzebski","year":"2013","journal-title":"EP Europace"},{"issue":"13","key":"10.1016\/j.ipej.2026.02.009_bib3","doi-asserted-by":"crossref","first-page":"1205","DOI":"10.1016\/j.jacc.2022.07.019","article-title":"Randomized trial of left bundle branch vs biventricular pacing for cardiac resynchronization therapy","volume":"80","author":"Wang","year":"2022","journal-title":"J Am Coll Cardiol"},{"issue":"6","key":"10.1016\/j.ipej.2026.02.009_bib4","doi-asserted-by":"crossref","first-page":"1293","DOI":"10.1007\/s10840-024-01827-6","article-title":"Large-scale aggregate data for left bundle branch area pacing as first line for CRT: climbing the pyramid of evidence","volume":"67","author":"Pujol-Lopez","year":"2024","journal-title":"J Intervent Card Electrophysiol"},{"issue":"11","key":"10.1016\/j.ipej.2026.02.009_bib5","doi-asserted-by":"crossref","DOI":"10.1161\/CIRCEP.124.013059","article-title":"Multicenter hemodynamic assessment of the LOT-CRT strategy: when does combining left bundle branch pacing and coronary venous pacing enhance resynchronization?: primary results of the CSPOT study","volume":"17","author":"Jastrz\u0119bski","year":"2024","journal-title":"Circ Arrhythm Electrophysiol"},{"issue":"8","key":"10.1016\/j.ipej.2026.02.009_bib6","doi-asserted-by":"crossref","first-page":"840","DOI":"10.1111\/pace.14793","article-title":"Comparison of electrocardiographic parameters between left bundle optimized cardiac resynchronization therapy (LOT\u2010CRT) and left bundle branch pacing\u2014cardiac resynchronization therapy (LBBP\u2010CRT)","volume":"46","author":"Parale","year":"2023","journal-title":"Pacing Clin Electrophysiol"},{"issue":"9","key":"10.1016\/j.ipej.2026.02.009_bib7","doi-asserted-by":"crossref","DOI":"10.1161\/CIRCEP.122.011761","article-title":"Electrical resynchronization and clinical outcomes during long-term Follow-Up in intraventricular conduction delay patients applied left bundle branch pacing-optimized cardiac resynchronization therapy","volume":"16","author":"Chen","year":"2023","journal-title":"Circ Arrhythm Electrophysiol"},{"issue":"1","key":"10.1016\/j.ipej.2026.02.009_bib8","doi-asserted-by":"crossref","first-page":"13","DOI":"10.1016\/j.hrthm.2021.07.057","article-title":"Left bundle branch\u2013optimized cardiac resynchronization therapy (LOT-CRT): results from an international LBBAP collaborative study group","volume":"19","author":"Jastrz\u0119bski","year":"2022","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.ipej.2026.02.009_bib10","unstructured":"Raja Selvaraj. An online XML ECG viewer. https:\/\/ecgviewer.in\/."},{"issue":"6","key":"10.1016\/j.ipej.2026.02.009_bib11","doi-asserted-by":"crossref","first-page":"935","DOI":"10.1016\/j.hrthm.2021.02.021","article-title":"Physiology-based electrocardiographic criteria for left bundle branch capture","volume":"18","author":"Jastrz\u0119bski","year":"2021","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.ipej.2026.02.009_bib12","doi-asserted-by":"crossref","DOI":"10.1111\/jce.15847","article-title":"Effect of scar and his\u2013purkinje and myocardium conduction on response to conduction system pacing","author":"Strocchi","year":"2023","journal-title":"J Cardiovasc Electrophysiol"},{"issue":"3","key":"10.1016\/j.ipej.2026.02.009_bib13","doi-asserted-by":"crossref","first-page":"150","DOI":"10.1016\/j.hroo.2024.01.005","article-title":"Left bundle branch pacing vs ventricular septal pacing for cardiac resynchronization therapy","volume":"5","author":"Chen","year":"2024","journal-title":"Heart Rhythm O2"},{"issue":"8","key":"10.1016\/j.ipej.2026.02.009_bib14","doi-asserted-by":"crossref","first-page":"1342","DOI":"10.1016\/j.hrthm.2024.03.007","article-title":"Comparisons of long-term clinical outcomes with left bundle branch pacing, left ventricular septal pacing, and biventricular pacing for cardiac resynchronization therapy","volume":"21","author":"Zhu","year":"2024","journal-title":"Heart Rhythm"},{"issue":"12","key":"10.1016\/j.ipej.2026.02.009_bib15","doi-asserted-by":"crossref","first-page":"2571","DOI":"10.1016\/j.hrthm.2024.06.019","article-title":"Predictors of failed left bundle branch pacing implant in heart failure with reduced ejection fraction: importance of left ventricular diameter and QRS morphology","volume":"21","author":"Graterol","year":"2024","journal-title":"Heart Rhythm"},{"issue":"8","key":"10.1016\/j.ipej.2026.02.009_bib16","doi-asserted-by":"crossref","first-page":"1636","DOI":"10.1111\/jce.16338","article-title":"The association between paced left ventricular activation time and cardiac reverse remodeling in heart failure patients with left bundle branch block","volume":"35","author":"Chen","year":"2024","journal-title":"J Cardiovasc Electrophysiol"},{"key":"10.1016\/j.ipej.2026.02.009_bib17","doi-asserted-by":"crossref","first-page":"44","DOI":"10.1016\/j.jelectrocard.2018.12.001","article-title":"Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure","volume":"53","author":"Ajaero","year":"2019","journal-title":"J Electrocardiol"},{"issue":"11","key":"10.1016\/j.ipej.2026.02.009_bib18","doi-asserted-by":"crossref","first-page":"1219","DOI":"10.1111\/j.1540-8167.2012.02376.x","article-title":"Reverse electrical remodeling by cardiac resynchronization therapy: prevalence and clinical impact","volume":"23","author":"Sebag","year":"2012","journal-title":"J Cardiovasc Electrophysiol"},{"issue":"12","key":"10.1016\/j.ipej.2026.02.009_bib19","article-title":"Reverse electrical remodelling after cardiac resynchronization therapy in a patient undergoing left bundle branch area pacing: a case report","volume":"8","author":"Rijks","year":"2024","journal-title":"Eur Heart J Case Rep"}],"container-title":["Indian Pacing and Electrophysiology Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0972629226000513?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0972629226000513?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,4,7]],"date-time":"2026-04-07T05:51:56Z","timestamp":1775541116000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0972629226000513"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,3]]},"references-count":18,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2026,3]]}},"alternative-id":["S0972629226000513"],"URL":"https:\/\/doi.org\/10.1016\/j.ipej.2026.02.009","relation":{},"ISSN":["0972-6292"],"issn-type":[{"value":"0972-6292","type":"print"}],"subject":[],"published":{"date-parts":[[2026,3]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Left bundle cardiac resynchronization therapy versus left bundle optimized cardiac resynchronization therapy","name":"articletitle","label":"Article Title"},{"value":"Indian Pacing and Electrophysiology Journal","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ipej.2026.02.009","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 Indian Heart Rhythm Society. Published by Elsevier B.V.","name":"copyright","label":"Copyright"}]}}