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[Diagnosis of perioperative myocardial infarction by cardiac troponin T following coronary artery bypass grafting].

Authors :
Azuhata K
Suma K
Shiroma K
Mitsui K
Miyawaki F
Source :
[Zasshi] [Journal]. Nihon Kyobu Geka Gakkai [Nihon Kyobu Geka Gakkai Zasshi] 1994 Dec; Vol. 42 (12), pp. 2165-70.
Publication Year :
1994

Abstract

The determinations of cardiac troponin T provide the highest diagnostic efficiency for the detection of myocardial cell necrosis. To assess perioperative myocardial infarction, serum levels of cardiac troponin T were determined in 14 patients undergoing coronary artery bypass grafting (CABG). The patients were divided into two groups: group I (n = 9), those whose troponin T was less than 1.00 ng/ml on the first postoperative day; group II (n = 5), those whose troponin T was more than 1.00 ng/ml on the first postoperative day. Troponin T levels in group II patients were significantly higher than in group I from the second to the seventh postoperative day. Two patients in group II had specific changes on the electrocardiogram detecting perioperative myocardial infarction as a new Q wave and R wave reduction. These results suggest that troponin T is a valuable marker of perioperative myocardial infarction following CABG.

Details

Language :
Japanese
ISSN :
0369-4739
Volume :
42
Issue :
12
Database :
MEDLINE
Journal :
[Zasshi] [Journal]. Nihon Kyobu Geka Gakkai
Publication Type :
Academic Journal
Accession number :
7861051