Partial external mitral annuloplasty in dogs with myxomatous mitral valve degeneration and congestive heart failure: Outcome in 9 cases

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorDe Andrade, James N.B.M.
dc.creatorChristopher Orton, E.
dc.creatorBoon, June
dc.creatorNishimori, Celina T.D.
dc.creatorOlivaes, Claudio
dc.creatorCamacho, Aparecido A.
dc.date2014-05-27T11:25:58Z
dc.date2016-10-25T18:34:22Z
dc.date2014-05-27T11:25:58Z
dc.date2016-10-25T18:34:22Z
dc.date2011-09-01
dc.date.accessioned2017-04-06T01:52:00Z
dc.date.available2017-04-06T01:52:00Z
dc.identifierJournal of Veterinary Cardiology, v. 13, n. 3, p. 197-201, 2011.
dc.identifier1760-2734
dc.identifier1875-0834
dc.identifierhttp://hdl.handle.net/11449/72625
dc.identifierhttp://acervodigital.unesp.br/handle/11449/72625
dc.identifier10.1016/j.jvc.2011.05.002
dc.identifier2-s2.0-80052634742
dc.identifierhttp://dx.doi.org/10.1016/j.jvc.2011.05.002
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/893480
dc.descriptionObjective: To report the outcome of partial external mitral annuloplasty in dogs with congestive heart failure (CHF) due to mitral regurgitation caused by myxomatous mitral valve degeneration (MMVD). Animals, materials and methods: Nine client-owned dogs with CHF due to mitral regurgitation caused by MMVD. Surgery consisted of a double row of pledget-butressed continuous suture lines placed into the left ventricle parallel and just ventral to the atrioventricular groove between the subsinuosal branch of the left circumflex coronary artery and the paraconal branch of the left coronary artery. Results: Two dogs died during surgery because of severe hemorrhage. Two dogs died 12 and 36 h after surgery because of acute myocardial infarction. Three dogs were euthanized 2 and 4 weeks after surgery because of progression of CHF, 1 was euthanized 30 days after surgery for non-cardiac disease, and 1 survived for 48 months. In the 5 dogs that survived to discharge there was no significant change in the left atrium to aortic ratio with surgery (3.6 ± 0.56 before surgery; 3.1 ± 0.4 after surgery; p = 0.182), and no significant change in mitral regurgitant fraction in 4 dogs in which this measurement was made (78.7 ± 2.0% before surgery; 68.7 ± 7.5% after surgery; p = 0.09). Conclusions: Partial external mitral annuloplasty in dogs with CHF due to MMVD was associated with high perioperative mortality and most dogs that survived to discharge failed to show clinically relevant palliation from this procedure. Consequently, partial external mitral annuloplasty is not a viable option for dogs with mitral regurgitation due to MMVD that has progressed to the stage of CHF. © 2011 Elsevier B.V. All rights reserved.
dc.languageeng
dc.relationJournal of Veterinary Cardiology
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectAnnuloplasty
dc.subjectDogs
dc.subjectMitral valve disease
dc.subjectSurgery
dc.subjectacute heart infarction
dc.subjectcongestive heart failure
dc.subjectcoronary artery circumflex branch
dc.subjectdog
dc.subjectfemale
dc.subjectleft coronary artery
dc.subjectmale
dc.subjectmitral annuloplasty
dc.subjectmitral valve disease
dc.subjectmitral valve regurgitation
dc.subjectnonhuman
dc.subjectperioperative period
dc.subjectpostoperative hemorrhage
dc.subjectpriority journal
dc.subjectsurgical mortality
dc.subjecttreatment outcome
dc.subjectAnimals
dc.subjectDog Diseases
dc.subjectFemale
dc.subjectHeart Failure
dc.subjectMale
dc.subjectMitral Valve Annuloplasty
dc.subjectMitral Valve Insufficiency
dc.subjectAnimalia
dc.subjectCanis familiaris
dc.titlePartial external mitral annuloplasty in dogs with myxomatous mitral valve degeneration and congestive heart failure: Outcome in 9 cases
dc.typeOtro


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