{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T16:00:27Z","timestamp":1740153627765,"version":"3.37.3"},"reference-count":15,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2015,7,17]],"date-time":"2015-07-17T00:00:00Z","timestamp":1437091200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2015,7,17]],"date-time":"2015-07-17T00:00:00Z","timestamp":1437091200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2015,11,3]],"date-time":"2015-11-03T00:00:00Z","timestamp":1446508800000},"content-version":"vor","delay-in-days":109,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["clinicalkey.jp","clinicalkey.com","journalofarrhythmia.com","clinicalkey.es","clinicalkey.com.au","clinicalkey.fr","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Journal of Arrhythmia"],"published-print":{"date-parts":[[2015,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Various difficulties can occur in patients who undergo cardiac resynchronization therapy for drug\u2010refractory heart failure with respect to placement of the left ventricular (LV) lead, because of anatomical features, pacing thresholds, twitching, or pacing lead anchoring, possibly requiring other pacing sites. The goal of this study was to determine whether Purkinje potential (PP) pacing could provide better hemodynamics in patients with left bundle branch block and heart failure than biventricular (BiV) pacing.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Eleven patients with New York Heart Association functional class II or III heart failure despite optimal medical therapy were selected for this study. All patients underwent left\u2010 and right\u2010sided cardiac catheterization for measurement of LV functional parameters in the control state during BiV and PP pacing.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Maximum d<jats:italic>P<\/jats:italic>\/d<jats:italic>t<\/jats:italic> increased during BiV and PP pacing when compared with control measurements. This study compared parameters measured during BiV pacing with PP pacing and non\u2010paced beats as the control state in each patient (717\u00b1171 mmHg\/s vs. 917\u00b1191 mmHg\/s, <jats:italic>p<\/jats:italic>&lt;0.05; and 921\u00b1199 mmHg\/s, <jats:italic>p<\/jats:italic>&lt;0.005); however, the difference between PP pacing and BiV pacing was not significant. There was no difference in heart rate, electrocardiographic wave complex duration, minimum d<jats:italic>P<\/jats:italic>\/d<jats:italic>t<\/jats:italic>, left ventricular end\u2010diastolic pressure, left ventricular end\u2010systolic pressure, pulmonary capillary wedge pressure, or cardiac index when comparing BiV pacing and PP pacing to control measurements.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The hemodynamic outcome of PP pacing was comparable to that of BiV pacing in patients with advanced heart failure.<\/jats:p><\/jats:sec>","DOI":"10.1016\/j.joa.2015.06.005","type":"journal-article","created":{"date-parts":[[2015,7,18]],"date-time":"2015-07-18T02:07:39Z","timestamp":1437185259000},"page":"371-375","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"title":["Hemodynamic effects of Purkinje potential pacing in the left ventricular endocardium in patients with advanced heart 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