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HrvatskiHrvatska

Myxomatous Mitral Valve Disease

Također poznato kao: Degenerative Mitral Valve Disease, DMVD, MVD, Myxomatous Valvular Degeneration, Mitral Endocardiosis, Chronic Degenerative Atrioventricular Valve Disease

CatDogHitnost: ModerateKoliko je često: Common

Ukratko

Myxomatous mitral valve disease is a common, progressive heart condition in dogs and cats where the heart's mitral valve thickens and leaks, potentially leading to congestive heart failure.

An alert Cavalier King Charles Spaniel dog sitting comfortably on a blanket.
Many dogs with early-stage myxomatous mitral valve disease remain active and show no outward signs of illness.

TL;DR. Progresivna degeneracija i propuštanje mitralnog zaliska; može dovesti do kongestivnog zatajenja srca, osobito u pasa.

Mnogi psi u ranoj fazi ostaju aktivni bez vanjskih znakova.

Što je to?

Mitralni zalistak se zadebljava i deformira, ne zatvara se dobro: regurgitacija u lijevi atrij. Najčešća stečena bolest srca malih pasa srednje do starije dobi.

Uzroci i čimbenici rizika

Idiopatska degeneracija povezana s pasminom i dobi. Male/toy pasmine; Cavalier posebno i rano pogođen.

Znakovi

  • Holosistolički šum (glavni)
  • Kašalj (često), često noću
  • Smanjena podnošljivost napora
  • Tahipneja u mirovanju / otežano disanje
  • Sinkopa (povremeno)

A medical diagram of a dog's heart showing a thickened, leaking mitral valve.
Listići se zadebljavaju i deformiraju te se ne zatvaraju potpuno.

Dijagnostika

Auskultacija, RTG prsnog koša, ehokardiografija s Dopplerom (zlatni standard), ponekad proBNP. Stadiji ACVIM A-D.

"Characteristic valve changes include collagen degeneration and disorganization, fragmentation of valve elastin, and excess deposition of proteoglycan..."

An echocardiogram screen displaying a color Doppler scan of a canine heart.
Ehokardiografija je zlatni standard za procjenu mitralne regurgitacije.

Liječenje

Praćenje i pimobendan u B2. U zatajenju: diuretici, pimobendan, ACE inhibitori, prehrana s malo natrija, frekvencija disanja u mirovanju.

Prognoza

Često godine dobre kvalitete u ranim stadijima; oprezno nakon ponavljajućeg zatajenja.

Prevencija

Kontrole srca kod rizičnih pasmina, idealna težina, praćenje disanja u mirovanju.

Kada zvati veterinara

Novi šum, kašalj ili umor. Hitno pri teškom disanju, tahipneji u mirovanju ili kolapsu.

Za određene pasmine

Cavalier King Charles, pudl, chihuahua, jazavčar i druge male pasmine.

Izvori

  • Clinical Echocardiography of the Dog and Cat, page 155
  • Internal Medicine (5th Edition), pages 149, 151

My highlights & notes

Znakovi i simptomi

Pasmine s višim rizikom

Kako se dijagnosticira

  • EchocardiographyZlatni standard
  • Electrocardiography (ECG)
  • Physical examination and Auscultation
  • Thoracic radiography

Česta pitanja

What is Myxomatous Mitral Valve Disease?

Myxomatous mitral valve disease is a common, progressive heart condition in dogs and cats where the heart's mitral valve thickens and leaks, potentially leading to congestive heart failure.

What are the symptoms of Myxomatous Mitral Valve Disease?

Holosystolic murmur、Cough、Decreased exercise tolerance、Difficulty breathing、Fast breathing、Fluid in the belly (ascites)、Pleural effusion、Weakness (low energy, no strength)

How is Myxomatous Mitral Valve Disease diagnosed?

Echocardiography、Electrocardiography (ECG)、Physical examination and Auscultation、Thoracic radiography

Izvori

  1. Internal Medicine 5th · p. 149
  2. Clinical Echocardiography of the Dog and Cat · p. 155
  3. Internal Medicine 5th · p. 151
  4. Clinical Echocardiography of the Dog and Cat · p. 155

Ovaj članak je opća edukacija i ne zamjenjuje veterinarski savjet. Ako je ljubimac bolestan, obratite se veterinaru.

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