Echocardiographic predictors of survival in dogs with myxomatous mitral valve disease

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorSargent, Julia-
Autor(es): dc.creatorMuzzi, Ruthnea-
Autor(es): dc.creatorMukherjee, Rajat-
Autor(es): dc.creatorSomarathne, Sharlene-
Autor(es): dc.creatorSchranz, Katherine-
Autor(es): dc.creatorStephenson, SaHannah-
Autor(es): dc.creatorConnolly, David-
Autor(es): dc.creatorBrodbelt, David-
Autor(es): dc.creatorFuentes, Virginia Luis-
Data de aceite: dc.date.accessioned2026-02-09T11:22:30Z-
Data de disponibilização: dc.date.available2026-02-09T11:22:30Z-
Data de envio: dc.date.issued2020-10-22-
Data de envio: dc.date.issued2023-06-27-
Data de envio: dc.date.issued2020-10-22-
Data de envio: dc.date.issued2023-06-27-
Data de envio: dc.date.issued2015-03-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br//handle/1/57167-
Fonte completa do material: dc.identifierhttps://www.sciencedirect.com/science/article/abs/pii/S1760273414000824-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1139540-
Descrição: dc.descriptionObjectives: to evaluate vena contracta and other echocardiographic measures of myxomatous mitral valve disease (MMVD) severity in a multivariable analysis of survival in dogs. Animals: 70 dogs diagnosed with MMVD from stored echocardiographic images that met study inclusion criteria. Methods: left heart dimensions were measured as well as mitral regurgitant jet area/left atrial area (JAR), early mitral filling velocity (Evel), extent of mitral valve prolapse in right and left views (ProlR, ProlL), Prol indexed to aortic diameter (ProlR:Ao, ProlL:Ao), presence of a flail leaflet (FlailR, FlailL), and mitral regurgitation vena contracta diameter (VCR, VCL) indexed to aortic diameter (VCR:Ao, VCL:Ao). Follow-up from referring veterinarians was obtained by questionnaire or telephone to determine survival times. Inter- and intra-observer agreement was evaluated with Bland–Altman plots and weighted Kappa analysis. Survival was analyzed using Kaplan–Meier curves, logrank tests and Cox's proportional hazards. Results: logrank analysis showed VCL:Ao, VCR:Ao, FlailL, ProlR:Ao, ProlL:Ao, left ventricular internal dimension in diastole indexed to aortic diameter (LVIDD:Ao) >2.87, left atrium to aorta ratio (LA/Ao) >1.6, and Evel >1.4 m/s were predictors of cardiac mortality. In a multivariable analysis, the independent predictors of cardiac mortality were Evel >1.4 m/s [hazard ratio (HR) 5.0, 95% confidence interval (CI) 2.5–10.3], FlailL (HR 3.1, 95% CI 1.3–7.9), and ProlR:Ao (HR 2.8, 95% CI 1.3–6.3). Conclusions: echocardiographic measures of mitral regurgitation severity and mitral valve pathology provide valuable prognostic information independent of chamber enlargement in dogs with MMVD.-
Idioma: dc.languageen-
Publicador: dc.publisherElsevier-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourceJournal of Veterinary Cardiology-
Palavras-chave: dc.subjectCanine-
Palavras-chave: dc.subjectEchocardiography-
Palavras-chave: dc.subjectMitral regurgitation-
Palavras-chave: dc.subjectPrognosis-
Título: dc.titleEchocardiographic predictors of survival in dogs with myxomatous mitral valve disease-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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