Long-term performance of single-pass physiological pacing.

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dc.contributor.authorKar, A Ken_US
dc.contributor.authorRoy, Den_US
dc.contributor.authorMondal, Men_US
dc.contributor.authorDutta, Ien_US
dc.date.accessioned2001-07-05en_US
dc.date.accessioned2009-05-27T04:25:57Z
dc.date.available2001-07-05en_US
dc.date.available2009-05-27T04:25:57Z
dc.date.issued2001-07-05en_US
dc.description.abstractBACKGROUND: Single-pass physiological pacing has several advantages over dual-lead physiological pacing. The present study evaluated the long-term performance of single-pass pacing using the overlapping biphasic impulse stimulation technique. METHODS AND RESULTS: A total of 30 patients with single-pass VDD pacing and 8 patients with single-pass DDDC pacing were followed up for 1 year by basal and magnet electrocardiograms and real-time telemetry. All the patients showed satisfactory atrial sensing and pacing capture threshold. The atrial sensing thresholds at implant and at 1 month, 3 months, 6 months and 12 months of follow-up were 2.5+/-0.67 mV, 1.6+/-0.6 mV, 1.1+/-0.5 mV, 1.0+/-0.5 mV and 1.0+/-0.04 mV, respectively. The corresponding values for atrial pacing threshold at a pulse wave of 0.5 ms were 2.5+/-1.0 V, 4.4+/-0.9 V, 3.8+/-1.2 V, 3.6+/-1.4 V and 3.8+/-1.4 V. Of the patients with DDDC pacing, 88% showed stable pacing capture in the supine position, 75% in the upright position and 62% in both positions. Diaphragmatic contraction was seen in 25% of cases with DDDC pacing. No such event was seen in patients with VDD pacing. CONCLUSIONS: Single-pass pacing is safe, technically easy and cheap as compared to dual-lead systems. However, it would be prudent to recommend DDDC pacing in patients who require predominantly VDD pacing and only occasionally atrial pacing, as the latter showed a low percentage of stable atrial pacing capture in both upright and supine positions as well as a significant percentage of diaphragmatic contraction.en_US
dc.description.affiliationDepartment of Cardiology, IPGMER, Kolkata, West Bengal.en_US
dc.identifier.citationKar AK, Roy D, Mondal M, Dutta I. Long-term performance of single-pass physiological pacing. Indian Heart Journal. 2001 Jul-Aug; 53(4): 477-80en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/5116
dc.language.isoengen_US
dc.source.urihttps://indianheartjournal.comen_US
dc.subject.meshAdulten_US
dc.subject.meshAgeden_US
dc.subject.meshCardiac Pacing, Artificialen_US
dc.subject.meshElectrocardiographyen_US
dc.subject.meshFemaleen_US
dc.subject.meshFollow-Up Studiesen_US
dc.subject.meshHeart Block --physiopathologyen_US
dc.subject.meshHumansen_US
dc.subject.meshMaleen_US
dc.subject.meshMiddle Ageden_US
dc.subject.meshProspective Studiesen_US
dc.subject.meshSensory Thresholds --physiologyen_US
dc.subject.meshTime Factorsen_US
dc.titleLong-term performance of single-pass physiological pacing.en_US
dc.typeClinical Trialen_US
dc.typeJournal Articleen_US
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