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Hammock mitral valve in an adult patient.

04:41 EDT 25th April 2014 | BioPortfolio

Summary of "Hammock mitral valve in an adult patient."

We describe a case of hammock mitral valve in an adult. A 38-year-old woman presented with recently acquired dyspnea. Echocardiography showed severe mitral stenosis related to a hammock mitral valve characterized by the presence of an overdeveloped papillary muscle that gives short chordae to both mitral leaflets. No other valve insufficiency was noted. At operation, we observed direct continuity accompanying several fenestrations between both leaflets and the huge abnormal muscular band just underneath the mural leaflet. Resection of the anterior leaflet and was successfully replaced with a bioprosthetic valve. Her postoperative course was unremarkable.

Affiliation

Department of Cardiovascular Surgery, Gifu Heart Center, 4-14-4 Yabutaminami, Gifu, 500-8384, Japan, tkato@heart-center.or.jp.

Journal Details

This article was published in the following journal.

Name: General thoracic and cardiovascular surgery
ISSN: 1863-6713
Pages: 53-5

Links

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Medical and Biotech [MESH] Definitions

Backflow of blood from the LEFT VENTRICLE into the LEFT ATRIUM due to imperfect closure of the MITRAL VALVE. This can lead to mitral valve regurgitation.

Abnormal protrusion or billowing of one or both of the leaflets of MITRAL VALVE into the LEFT ATRIUM during SYSTOLE. This allows the backflow of blood into left atrium leading to MITRAL VALVE INSUFFICIENCY; SYSTOLIC MURMURS; or CARDIAC ARRHYTHMIA.

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Narrowing of the passage through the MITRAL VALVE due to FIBROSIS, and CALCINOSIS in the leaflets and chordal areas. This elevates the left atrial pressure which, in turn, raises pulmonary venous and capillary pressure leading to bouts of DYSPNEA and TACHYCARDIA during physical exertion. RHEUMATIC FEVER is its primary cause.

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