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        급성 심근경색증 회복기의 관상동맥 측부순환에 대한 고찰

        김준욱(Jun Wook Kim),양인석(In Seok Yang),김수경(Soo Kyung Kim),김종연(Jong Yeun Kim),이홍순(Hong Soon Lee),이학중(Hak Choong Lee) 대한내과학회 1989 대한내과학회지 Vol.36 No.2

        N/A To assess coronary collaterals, angiograms were obtained from 21 patients who were recovering from acute myocardial infarction between 2 to 5 months after the disease onset. Collateral circulation was not seen in patients with coronary lesions of less than 70% obstruction. Fourteen collateral pathways were observed in 11 patients. Four collaterals (28.6%) were running from the left circumflex artery to the right coronary artery, 2 collaterals (14.2%) were from the left anterior descending artery to the right coronary artery, 1 collateral (7.2%) was between the proximal and distal right coronary artery and 3 collaterals (21.4%) were from the right coronary artery to the left anterior descending artery. One collateral (7.2%) was from the left circumflex artery to the left anterior descending artery, 2 collaterals (14.2%) were from the left anterior descending artery to the left circumflex artery and 1 collateral (7.2%) was from the right coronary artery to the left circumflex artery. Collateral circulations were observed in 8 of 13 patients with Q-wave infarction; in contrast with 3 of 8 patients with non Q-wave infarction (P=NS). The ejection fraction in the group with collaterals was 0.61±0.17, compared with 0.59±0.25 without collaterals (P=NS). In our study, the development of collateral circulation was not associated with a tendency towards protection against Q-wave infarction. The LV function was not significantly better in the group with collaterals. Thus the clinical significance of coronary collateral circulation in acute myocardial infarction should be further investigated.

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