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Echocardiographic findings late after myectomy in hypertrophic obstructive cardiomyopathy


Turina, J; Jenni, R; Krayenbuehl, H P; Turina, M; Rothlin, M (1986). Echocardiographic findings late after myectomy in hypertrophic obstructive cardiomyopathy. European Heart Journal, 7(8):685-692.

Abstract

Postoperative echocardiograms of 50 patients undergoing myectomy for hypertrophic obstructive cardiomyopathy between 1965 and 1982 have been evaluated. In 21 patients a comparison with preoperative echocardiograms showed that postoperatively there was a significant reduction of septal and free wall thickness, an increase of left ventricular end-diastolic as well as outflow tract dimensions and a reduction or disappearance of systolic anterior motion of the mitral leaflet. Postoperative examination at intervals > 3 years revealed a significant increase of left ventricular and left atrial cavity size with unchanged contractile parameters and little reduction of left ventricular hypertrophy. In 4of 12 patients evaluated > 8 years after myectomy, left ventricular dilatation was observed and 3 of these 4 patients developed congestive heart failure. Development of leftventricular dilatation was independent of whether a transventricular and/or transaortic approach was used for myectomy. These data indicate that the late course after myectomy in hypertrophic obstructive cardiomyopathy may be complicated by dilatation of the left ventricular cavity

Abstract

Postoperative echocardiograms of 50 patients undergoing myectomy for hypertrophic obstructive cardiomyopathy between 1965 and 1982 have been evaluated. In 21 patients a comparison with preoperative echocardiograms showed that postoperatively there was a significant reduction of septal and free wall thickness, an increase of left ventricular end-diastolic as well as outflow tract dimensions and a reduction or disappearance of systolic anterior motion of the mitral leaflet. Postoperative examination at intervals > 3 years revealed a significant increase of left ventricular and left atrial cavity size with unchanged contractile parameters and little reduction of left ventricular hypertrophy. In 4of 12 patients evaluated > 8 years after myectomy, left ventricular dilatation was observed and 3 of these 4 patients developed congestive heart failure. Development of leftventricular dilatation was independent of whether a transventricular and/or transaortic approach was used for myectomy. These data indicate that the late course after myectomy in hypertrophic obstructive cardiomyopathy may be complicated by dilatation of the left ventricular cavity

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:National licences > 142-005
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:1 August 1986
Deposited On:15 Oct 2018 15:32
Last Modified:24 Nov 2018 02:54
Publisher:Oxford University Press
ISSN:0195-668X
OA Status:Green
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1093/oxfordjournals.eurheartj.a062123
Related URLs:https://www.swissbib.ch/Search/Results?lookfor=nationallicenceoxford101093oxfordjournalseurheartja062123 (Library Catalogue)
PubMed ID:3769953

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