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Fox PR, Keene BW, Lamb K, Schober KA, Chetboul V, Luis Fuentes V, Wess G, Payne JR, Hogan DF, Motsinger-Reif A, Häggström J, Trehiou-Sechi E, Fine-Ferreira DM, Nakamura RK, Lee PM, Singh MK, Ware WA, Abbott JA, Culshaw G, Riesen S, Borgarelli M, Lesser MB, Van Israël N, Côté E, Rush JE, Bulmer B, Santilli RA, Vollmar AC, Bossbaly MJ, Quick N, Bussadori C, Bright JM, Estrada AH, Ohad DG, Fernández-Del Palacio MJ, Lunney Brayley J, Schwartz DS, Bové CM, Gordon SG, Jung SW, Brambilla P, Moïse NS, Stauthammer CD, Stepien RL, Quintavalla C, Amberger C, Manczur F, Hung YW, Lobetti R, De Swarte M, Tamborini A, Mooney CT, Oyama MA, Komolov A, Fujii Y, Pariaut R, Uechi M, Tachika Ohara VY. International collaborative study to assess cardiovascular risk and evaluate long-term health in cats with preclinical hypertrophic cardiomyopathy and apparently healthy cats: The REVEAL Study. J Vet Intern Med 2018; 32:930-943. [PMID: 29660848 PMCID: PMC5980443 DOI: 10.1111/jvim.15122] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 01/04/2018] [Accepted: 02/24/2018] [Indexed: 12/31/2022] Open
Abstract
Background Hypertrophic cardiomyopathy is the most prevalent heart disorder in cats and principal cause of cardiovascular morbidity and mortality. Yet, the impact of preclinical disease is unresolved. Hypothesis/Objectives Observational study to characterize cardiovascular morbidity and survival in cats with preclinical nonobstructive (HCM) and obstructive (HOCM) hypertrophic cardiomyopathy and in apparently healthy cats (AH). Animals One thousand seven hundred and thirty client‐owned cats (430 preclinical HCM; 578 preclinical HOCM; 722 AH). Methods Retrospective multicenter, longitudinal, cohort study. Cats from 21 countries were followed through medical record review and owner or referring veterinarian interviews. Data were analyzed to compare long‐term outcomes, incidence, and risk for congestive heart failure (CHF), arterial thromboembolism (ATE), and cardiovascular death. Results During the study period, CHF, ATE, or both occurred in 30.5% and cardiovascular death in 27.9% of 1008 HCM/HOCM cats. Risk assessed at 1, 5, and 10 years after study entry was 7.0%/3.5%, 19.9%/9.7%, and 23.9%/11.3% for CHF/ATE, and 6.7%, 22.8%, and 28.3% for cardiovascular death, respectively. There were no statistically significant differences between HOCM compared with HCM for cardiovascular morbidity or mortality, time from diagnosis to development of morbidity, or cardiovascular survival. Cats that developed cardiovascular morbidity had short survival (mean ± standard deviation, 1.3 ± 1.7 years). Overall, prolonged longevity was recorded in a minority of preclinical HCM/HOCM cats with 10% reaching 9‐15 years. Conclusions and Clinical Importance Preclinical HCM/HOCM is a global health problem of cats that carries substantial risk for CHF, ATE, and cardiovascular death. This finding underscores the need to identify therapies and monitoring strategies that decrease morbidity and mortality.
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Affiliation(s)
- Philip R Fox
- Department of Cardiology and Caspary Research Institute, The Animal Medical Center, New York, New York, U.S.A
| | - Bruce W Keene
- Department of Clinical Sciences, North Carolina State University, Raleigh, North Carolina, U.S.A
| | | | - Karsten A Schober
- Department of Veterinary Clinical Sciences, The Ohio State University, Columbus, Ohio, U.S.A
| | - Valerie Chetboul
- Alfort Cardiology Unit, Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort Cedex, France
| | - Virginia Luis Fuentes
- Department of Veterinary Clinical Sciences and Services, The Royal Veterinary College, Hatfield, Hertfordshire, United Kingdom
| | - Gerhard Wess
- Clinic of Small Animal Medicine, Ludwig-Maximilians University, Munich, Germany
| | - Jessie Rose Payne
- Department of Veterinary Clinical Sciences and Services, The Royal Veterinary College, Hatfield, Hertfordshire, United Kingdom
| | - Daniel F Hogan
- Department of Veterinary Clinical Sciences, Purdue University, West Lafayette, Indiana, U.S.A
| | - Alison Motsinger-Reif
- Department of Statistics, North Carolina State University, Raleigh, North Carolina, U.S.A
| | - Jens Häggström
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Emilie Trehiou-Sechi
- Alfort Cardiology Unit, Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort Cedex, France
| | - Deborah M Fine-Ferreira
- Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, Missouri, U.S.A
| | - Reid K Nakamura
- Advanced Veterinary Care Center, Lawndale, California, U.S.A
| | - Pamela M Lee
- Department of Cardiology and Caspary Research Institute, The Animal Medical Center, New York, New York, U.S.A
| | - Manreet K Singh
- William R. Pritchard Veterinary Medical Teaching Hospital, University of California-Davis, Davis, California, U.S.A
| | - Wendy A Ware
- Department of Veterinary Clinical Sciences, Iowa State University, Ames, Iowa, U.S.A
| | - Jonathan A Abbott
- Department of Small Animal Clinical Sciences, Virginia-Maryland Regional College of Veterinary Medicine, Blacksburg, Virginia, U.S.A
| | - Geoffrey Culshaw
- Royal (Dick) SVS Hospital for Small Animals, The University of Edinburgh, Roslin, Midlothian, United Kingdom
| | - Sabine Riesen
- Department for Companion Animals and Horses, University of Veterinary Medicine, Vienna, Austria
| | - Michele Borgarelli
- Department of Clinical Sciences, Kansas State University, Manhattan, Kansas, U.S.A
| | | | | | - Etienne Côté
- Department of Companion Animals, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, Prince Edward Island, Canada
| | - John E Rush
- Department of Clinical Sciences, Tufts University, Cummings School of Veterinary Medicine, North Grafton, Massachusetts, U.S.A
| | - Barret Bulmer
- Tufts Veterinary Emergency Treatment & Specialties, Walpole, Massachusetts, U.S.A
| | | | | | | | - Nadine Quick
- Clinic of Small Animal Medicine, Ludwig-Maximilians University, Munich, Germany
| | - Claudio Bussadori
- Department of Cardiology, Clinica Veterinaria Gran Sasso, Milan, Italy
| | - Janice M Bright
- Department of Clinical Sciences, Colorado State University, Fort Collins, Colorado, U.S.A
| | - Amara H Estrada
- Department of Small Animal Clinical Sciences, University of Florida, Gainesville, Florida
| | - Dan G Ohad
- Department of Clinical Sciences, The Koret School of Veterinary Medicine, Rehovot, Israel
| | | | | | - Denise S Schwartz
- Department of Internal Medicine, University of São Paulo, São Paulo, Brazil
| | - Christina M Bové
- Department of Clinical Studies, University of Guelph, Guelph, Ontario, Canada
| | - Sonya G Gordon
- Department of Small Animal Clinical Sciences, Texas A&M University, College Station, Texas, U.S.A
| | - Seung Woo Jung
- William R. Pritchard Veterinary Medical Teaching Hospital, University of California-Davis, Davis, California, U.S.A
| | - Paola Brambilla
- Department of Veterinary Medicine, University of Milan, Milan, Italy
| | - N Sydney Moïse
- Department of Clinical Sciences, Cornell University, Ithaca, New York, U.S.A
| | | | - Rebecca L Stepien
- Department of Medical Sciences, University of Wisconsin School of Veterinary Medicine, Madison, Wisconsin, U.S.A
| | | | | | - Ferenc Manczur
- Department of Internal Medicine, University of Veterinary Medicine, Budapest, Hungary
| | | | - Remo Lobetti
- Bryanston Veterinary Hospital, Bryanston, South Africa
| | - Marie De Swarte
- University College Dublin Veterinary Hospital, University College Dublin, Dublin, Ireland
| | - Alice Tamborini
- University College Dublin Veterinary Hospital, University College Dublin, Dublin, Ireland
| | - Carmel T Mooney
- University College Dublin Veterinary Hospital, University College Dublin, Dublin, Ireland
| | - Mark A Oyama
- Department of Clinical Studies, University of Pennsylvania, Philadelphia, Pennsylvania, U.S.A
| | | | - Yoko Fujii
- Azabu University, Sagamihara, Kanagawa, Japan
| | - Romain Pariaut
- Department of Veterinary Clinical Sciences, Louisiana State University, Baton Rouge, Louisiana, U.S.A
| | - Masami Uechi
- Jasmine Animal Cardiovascular Center, Yokohama, Kanagawa, Japan
| | - Victoria Yukie Tachika Ohara
- Department of Medicine, Surgery and Zootechnics for Small Species, Universidad Nacional Autónoma de México, Mexico City, Mexico
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