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Title: Tolerance to ischemia of hypertrophied human hearts during valve replacement
Authors: Schaper, J ×
Schwarz, F
Flameng, Willem
Hehrlein, F #
Issue Date: 1978
Series Title: Basic research in cardiology vol:73 issue:2 pages:171-87
Abstract: This study evaluates the tolerance to ischemia during induced cardiac arrest in patients undergoing aortic valve replacement. In all patients cardiac standstill was of 45 minutes duration. Biopsies for electron microscopic study were taken from the left ventricle before induction of arrest, at the end of the ischemic period and 20 minutes after coronary perfusion had been reestablished. Structural ischemic damage was more pronounced in patients with severe hypertrophy and structural reconstitution was delayed. Degenerative changes of the myocardial cells, although observed frequency, apparently did not influence the tolerance to ischemia. It is concluded from this study that patients with severe hypertrophy represent a high-risk group in cardiac surgery because of their reduced tolerance to induced myocardial ischemia during cardiopulmonary bypass.
ISSN: 0300-8428
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Experimental Cardiac Surgery
× corresponding author
# (joint) last author

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