Document Detail


Late cardiac perforation by a passive-fixation permanent pacemaker lead in a dog.
MedLine Citation:
PMID:  18922056     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
CASE DESCRIPTION: A 12-year-old Miniature Dachshund with a history of permanent endocardial pacemaker implantation performed 7 weeks previously was admitted for routine dental prophylaxis. CLINICAL FINDINGS: Preanesthetic ECG revealed normal ventricular capture. Thoracic radiographic findings included caudomedial displacement of the endocardial pacemaker lead. Echocardiography revealed moderate chronic degenerative valve disease with moderate left atrial and ventricular dilation. After induction of anesthesia, loss of ventricular capture was detected. The dog recovered from anesthesia and had improved ventricular capture. The following day, surgical exposure of the cardiac apex revealed perforation of the right ventricular apex by the passive-fixation pacemaker lead. TREATMENT AND OUTCOME: A permanent epicardial pacemaker was implanted through a transxiphoid approach. Appropriate ventricular capture and sensing were achieved. The dog recovered without complications. Approximately 2 months later, the dog developed sudden respiratory distress at home and was euthanized. CLINICAL RELEVANCE: In dogs with permanent pacemakers and loss of ventricular capture, differential diagnoses should include cardiac perforation. If evidence of perforation of the pacemaker lead is found, replacement of the endocardial pacemaker lead with an epicardial pacemaker lead is warranted.
Authors:
Sarah E Achen; Matthew W Miller; David A Nelson; Sonya G Gordon; Lori T Drourr
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of the American Veterinary Medical Association     Volume:  233     ISSN:  0003-1488     ISO Abbreviation:  J. Am. Vet. Med. Assoc.     Publication Date:  2008 Oct 
Date Detail:
Created Date:  2009-01-30     Completed Date:  2009-02-17     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7503067     Medline TA:  J Am Vet Med Assoc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1291-6     Citation Subset:  IM    
Affiliation:
Department of Small Animal Medicine and Surgery, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77845, USA.
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MeSH Terms
Descriptor/Qualifier:
Animals
Dog Diseases / diagnosis*
Dogs
Electrodes, Implanted / adverse effects,  veterinary*
Equipment Failure / veterinary*
Fatal Outcome
Female
Heart Injuries / diagnosis,  etiology,  veterinary*
Pacemaker, Artificial / adverse effects,  veterinary*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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