Applications, complications, and outcomes of transvenous pacemaker implantation in 105 dogs (1997-2002)

Gerhard Wess, William P. Thomas, Denise M. Berger, Mark D Kittleson

Research output: Contribution to journalReview article

60 Citations (Scopus)

Abstract

We reviewed the indications for age and breeds of dogs who received transvenous endocardial artificial pacemaker (AP) implantation (n = 105) and complications and survival thereafter at a single institution over a 6-year period. A third-degree atrioventricular (AV) block (59%) and sick sinus syndrome (SSS; 27%) were the most common indications, along with a high-grade second-degree AV block (9%) and atrial standstill (5%). The most common breeds identified were Labrador Retriever (n = 16; 11 with a third-degree AV block), American Cocker Spaniel (n = 14; 10 with SSS), and Miniature Schnauzer (n = 13; all with SSS). Common presenting complaints were syncope (n = 66) and exercise intolerance or lethargy (n = 25). Half of the dogs (n = 52) had a history of acute onset of clinical signs (<2 weeks). Mean survival time for the 60 dogs who died during the study period was 2.2 years (range, 0.1-5.8 years). Major complications occurred in 13% of dogs and included lead displacement (n = 7), sensing problems that led to syncope (n = 3), infection at the pacemaker site (n = 1), bleeding (n = 1), and ventricular fibrillation during implantation (n = 1; successfully defibrillated). Minor complications occurred in 11 dogs (11%). The success rate of transvenous AP implantation was comparatively high (all dogs survived the first 48 hours), and the complication rate was comparatively low when compared with a previous multicenter study, most likely because of how commonly the procedure was performed and supervisory experience.

Original languageEnglish (US)
Pages (from-to)877-884
Number of pages8
JournalJournal of Veterinary Internal Medicine
Volume20
Issue number4
DOIs
StatePublished - Jul 2006

Fingerprint

artificial pacemaker
Dogs
Atrioventricular Block
dogs
syncope
Artificial Pacemaker
Syncope
Cocker Spaniel
Labrador Retriever
Newfoundland and Labrador
Sick Sinus Syndrome
dog breeds
Lethargy
sinuses
Ventricular Fibrillation
hemorrhage
exercise
Multicenter Studies
breeds
Hemorrhage

Keywords

  • Bradycardia
  • Cardiac pacing
  • Syncope

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Applications, complications, and outcomes of transvenous pacemaker implantation in 105 dogs (1997-2002). / Wess, Gerhard; Thomas, William P.; Berger, Denise M.; Kittleson, Mark D.

In: Journal of Veterinary Internal Medicine, Vol. 20, No. 4, 07.2006, p. 877-884.

Research output: Contribution to journalReview article

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abstract = "We reviewed the indications for age and breeds of dogs who received transvenous endocardial artificial pacemaker (AP) implantation (n = 105) and complications and survival thereafter at a single institution over a 6-year period. A third-degree atrioventricular (AV) block (59{\%}) and sick sinus syndrome (SSS; 27{\%}) were the most common indications, along with a high-grade second-degree AV block (9{\%}) and atrial standstill (5{\%}). The most common breeds identified were Labrador Retriever (n = 16; 11 with a third-degree AV block), American Cocker Spaniel (n = 14; 10 with SSS), and Miniature Schnauzer (n = 13; all with SSS). Common presenting complaints were syncope (n = 66) and exercise intolerance or lethargy (n = 25). Half of the dogs (n = 52) had a history of acute onset of clinical signs (<2 weeks). Mean survival time for the 60 dogs who died during the study period was 2.2 years (range, 0.1-5.8 years). Major complications occurred in 13{\%} of dogs and included lead displacement (n = 7), sensing problems that led to syncope (n = 3), infection at the pacemaker site (n = 1), bleeding (n = 1), and ventricular fibrillation during implantation (n = 1; successfully defibrillated). Minor complications occurred in 11 dogs (11{\%}). The success rate of transvenous AP implantation was comparatively high (all dogs survived the first 48 hours), and the complication rate was comparatively low when compared with a previous multicenter study, most likely because of how commonly the procedure was performed and supervisory experience.",
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