Survival time with pacemaker implantation for dogs diagnosed with persistent atrial standstill

R. M. Cervenec, C. D. Stauthammer, D. M. Fine, H. B. Kellihan, B. A. Scansen

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Objectives To evaluate survival time in dogs with persistent atrial standstill after pacemaker implantation and to compare the survival times for cardiac-related vs. non-cardiac deaths. Secondary objectives were to evaluate the effects of breed and the presence of congestive heart failure (CHF) at the time of diagnosis on survival time. Animals Twenty dogs with persistent atrial standstill and pacemaker implantation. Methods Medical records were searched to identify dogs diagnosed with persistent atrial standstill based on electrocardiogram that underwent pacemaker implantation. Survival after pacemaker implantation was analyzed using the Kaplan–Meier method. Results The median survival time after pacemaker implantation for all-cause mortality was 866 days. There was no significant difference (p=0.573) in median survival time for cardiac (506 days) vs. non-cardiac deaths (400 days). The presence of CHF at the time of diagnosis did not affect the survival time (P=0.854). No difference in median survival time was noted between breeds (P=0.126). Conclusions Dogs with persistent atrial standstill have a median survival time of 866 days with pacemaker implantation, though a wide range of survival times was observed. There was no difference in the median survival time for dogs with cardiac-related deaths and those without. Patient breed and the presence of CHF before pacemaker implantation did not affect median survival time.

Original languageEnglish (US)
Pages (from-to)240-246
Number of pages7
JournalJournal of Veterinary Cardiology
Volume19
Issue number3
DOIs
StatePublished - Jun 2017

Keywords

  • Atrial myopathy
  • Bradyarrhythmia
  • Canine
  • Congestive heart failure

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