Two cases of hemodynamic improvement by modulation of atrioventricular delay in cardiac operations

Background Symptomatic sick sinus syndrome is one of the indications for pacemaker implantation, and we have to consider to program the pacemaker to an asynchronous pacing mode during an operation. Case presentation We reported two cases with a pacemaker implanted for sick sinus syndrome undergoing...

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Bibliographic Details
Published in:JA clinical reports 2022-07, Vol.8 (1), p.56-56, Article 56
Main Authors: Tomita-Kobayashi, Akiko, Fujimoto, Tomoko, Takada, Shoko, Masuda, Yuki, Mizutani, Akinobu, Hayashi, Yukio
Format: Article
Language:English
Subjects:
Anesthesiology
Blood pressure
Cardiac arrhythmia
Cardiac function
Cardiac operation
Cardiac pacemaker
Case Report
Critical Care Medicine
Electrocardiography
Emergency Medicine
General anesthesia
Heart rate
Hemodynamics
Intensive
Medicine
Medicine & Public Health
Pacemakers
Pacing mode
Pain Medicine
Sick sinus syndrome
Sinuses
Weaning
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Summary:Background Symptomatic sick sinus syndrome is one of the indications for pacemaker implantation, and we have to consider to program the pacemaker to an asynchronous pacing mode during an operation. Case presentation We reported two cases with a pacemaker implanted for sick sinus syndrome undergoing cardiac operation. We changed programming of the pacemaker to an asynchronous pacing mode (DOO) and modulated the programmed atrioventricular delay to avoid ventricular pacing, resulting in better hemodynamic condition. Although we observed premature ventricular contraction, no lethal arrhythmias induced by the R-on-T phenomenon were noted. Conclusion Programming of the pacemaker to an asynchronous pacing mode and modulation of the programmed atrioventricular delay to avoid ventricular pacing may be an option for pacemaker management during an operation.
ISSN:2363-9024
2363-9024
DOI:10.1186/s40981-022-00546-z