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Journal article
Natural history of hypertrophic cardiomyopathy in from rehoming centers: The CatScan II study
Journal of veterinary internal medicine, Vol.36(6), pp.1900-1912
2022
Abstract
Background: The natural history of hypertrophic cardiomyopathy (HCM) in cats has been mainly studied in cats referred for suspected heart disease, which can skew the results towards cats with clinical signs. Few data are available on factors associated with development of HCM in cats.
Hypotheses: (1) Clinical variables can predict which cats will develop HCM; (2) HCM in cats not referred for suspected heart disease is associated with a low rate of cardiovascular events.
Animals: One hundred seven cats from rehoming centers without a history of clinical signs of cardiac or systemic disease at the time of adoption.
Methods: Prospective longitudinal study. After rehoming, shelter cats were reexamined for serial echocardiograms. Cox regression analysis was used to identify predictors of development of HCM in cats that were normal at baseline. Adverse cardiovascular events including heart failure, thromboembolism, or sudden death were recorded.
Results: Cats were monitored for a median of 5.6 [1.2-9.2] years. At baseline, 68/107 cats were normal, 18/107 were equivocal and 21/107 had HCM. Nineteen cats developed HCM during the study period. The factors at baseline associated with increased hazard of developing HCM were lower left atrial fractional shortening, higher left ventricular fractional shortening, and higher body weight. Cardiovascular events were observed in 21% of cats with HCM.
Conclusions and Clinical Importance: Cardiovascular events were common in cats with HCM from a rehoming center study sample. Lower left atrial systolic function appears to precede overt HCM.
Details
- Title
- Natural history of hypertrophic cardiomyopathy in from rehoming centers: The CatScan II study
- Authors/Creators
- Jose Novo Matos - Royal Vet Coll, Clin Sci & Serv, Brookmans Pk, Herts, EnglandJessie Rose Payne - Univ Bristol, Langford Vets Small Anim Referral Hosp, Bristol, Avon, EnglandJoonbum Seo - Anim Referral Ctr, Auckland, New ZealandVirginia Luis Fuentes - Royal Vet Coll, Clin Sci & Serv, Brookmans Pk, Herts, England
- Publication Details
- Journal of veterinary internal medicine, Vol.36(6), pp.1900-1912
- Publisher
- Wiley Periodicals LLC on behalf of American College of Veterinary Internal Medicine.
- Number of pages
- 13
- Grant note
- IDEXX Laboratories; Randox Laboratories Everts Luff Feline Endowment Petplan Charitable Trust
- Identifiers
- 991005912959507891
- Copyright
- © 2022 The Authors.
- Murdoch Affiliation
- School of Veterinary Medicine
- Language
- English
- Resource Type
- Journal article
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