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Articles by Louisiana State University Health Sciences Center

Congenital Quadricuspid Aortic Valve, a Rare Cause of Aortic Insufficiency in Adults: Case Report

Published on: 23rd January, 2017

OCLC Number/Unique Identifier: 7286350758

Quadricuspid aortic valve (QAV) is rare congenital malformation of the aortic valve with estimated prevalence of 0.013% to 0.043% [1-4]. QAV is most commonly associated with aortic insufficiency (AI), which is found in almost 75% of cases [5]. QAV can also be associated with other cardiac defects such as ventricular or atrial septal defects, patent ductus arteriosus, subaortic fibromuscular stenosis, malformation of the mitral valve, and coronary anomalies [3]. Up to 40% of all patients with QAV undergo aortic valve replacement surgery most commonly due to progressive AI in 88% of case [2,3,6]. Here we report a case from our institution of a woman with QAV with severe AI and anomalous origin of the right coronary artery.
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Longitudinal and transverse dimensions of hypertrophied cardiomyocytes in human left ventricle (LV) at autopsy; Heart failure might result from changes in chamber geometry without contractile weakening

Published on: 23rd July, 2019

OCLC Number/Unique Identifier: 8192127540

The shapes and sizes of human cardiomyocytes are accessible to systematic observation under most circumstances only at autopsy. This constraint has seriously curbed the study of these topics, thereby leaving a crippling gap in our understanding of heart failure. In recent years the only published ongoing findings have come from this laboratory. This article is a condensation of these reports, using those sources to develop fresh analyses designed to construct a set of organizing principles. The data are entirely retrospective thereby forbidding hypothesis testing and permitting only hypothesis formation. The hypotheses generated in this way are novel and surprising. In spite of the severe limitations in this methodology is seems possible that some useful new directions of inquiry might evolve from pursuing these original observations.
Cite this ArticleCrossMarkPublonsHarvard Library HOLLISGrowKudosResearchGateBase SearchOAI PMHAcademic MicrosoftScilitSemantic ScholarUniversite de ParisUW LibrariesSJSU King LibrarySJSU King LibraryNUS LibraryMcGillDET KGL BIBLiOTEKJCU DiscoveryUniversidad De LimaWorldCatVU on WorldCat
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