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Models versus established knowledge in describing the functional morphology of the ventricular myocardium


Lunkenheimer, P P; Redmann, K; Niederer, P; Schmidlin, P R; Smerup, M; Stypmann, J; Däbritz, S; Rothaus, K; Anderson, R H (2008). Models versus established knowledge in describing the functional morphology of the ventricular myocardium. Heart Failure Clinics, 4(3):273-288.

Abstract

The myocytes comprising the ventricular mass are arranged so as to function in antagonistic fashion, the walls having the capacity to generate both constrictive and dilatory forces. This dualistic activity is organized on the basis of a site-specific morphologic pattern, permitting marked regional specificity for mural motion and providing a target for regional therapy. Diseased regions can be removed surgically without danger of jeopardizing the remaining healthy mural segments. The sensitivity of the intruding population of myocytes to positive and negative inotropic medication is markedly more pronounced than that of the prevailing tangentially aligned myocytes. This asymmetrical action of inotropes in the setting of global ventricular imbalance promotes the potential to restore constrictive as opposed to dilatory actions.

The myocytes comprising the ventricular mass are arranged so as to function in antagonistic fashion, the walls having the capacity to generate both constrictive and dilatory forces. This dualistic activity is organized on the basis of a site-specific morphologic pattern, permitting marked regional specificity for mural motion and providing a target for regional therapy. Diseased regions can be removed surgically without danger of jeopardizing the remaining healthy mural segments. The sensitivity of the intruding population of myocytes to positive and negative inotropic medication is markedly more pronounced than that of the prevailing tangentially aligned myocytes. This asymmetrical action of inotropes in the setting of global ventricular imbalance promotes the potential to restore constrictive as opposed to dilatory actions.

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Additional indexing

Item Type:Journal Article, refereed, further contribution
Communities & Collections:04 Faculty of Medicine > Institute of Biomedical Engineering
Dewey Decimal Classification:170 Ethics
610 Medicine & health
Language:English
Date:2008
Deposited On:04 Dec 2008 11:13
Last Modified:05 Apr 2016 12:37
Publisher:Elsevier
ISSN:1551-7136
Publisher DOI:10.1016/j.hfc.2008.02.012
PubMed ID:18598980

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