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이홍기,류종철,김선운,엄수정,이형준,송진호,김두일,김동수 인제대학교 2000 仁濟醫學 Vol.21 No.2
Coronary arteriovenous fistula is relatively rare congenital heart disease which consists of a communication between a coronary artery and a cardiac chamber, a great artery or the Vena Cava. Although it is the most common anomaly that can affect coronary perfusion, bilateral involvement of coronary fistula constitutes an uncommon subgroup of coronary arteriovenous fistulas. We report a case of bilateral coronary arteriovenous fistula coexistent with bicuspid aortic valve presenting symptom of angina.
관상동맥조영술상 관상동맥 내경이 동맥경화증의 발현에 미치는 영향
표지수,최정식,이형준,김희,김선운,송진호,류종철,김두일,김동수 인제대학교 1999 仁濟醫學 Vol.20 No.2
Objectives: The effect of coronary artery diameterson theoccurrence of atherosclerosis is unknown. However, several studies have shown that the larger the vessel lumen diameter after coronary interventions, the less the probability of restenosis. We supposed that larger coronary arteries have a lower prevalence of atherosclerosis. Methods and Materials: We measured the diameters of major coronary arteries in 231 patients undertaken coronary arteriography who admitted to Paik hospital from August 1996 to May 1997. Results: The mean diameters of the left main coronary, the right coronary, the left anterior descending and the left circumflex arterieswere 4.50±0.372, 3.62±0.391. 3.55±0.404, and 3.17±0.392mm respectively. On the basis of these dimen-sion of each artery, all patients were divided into 3 groups according to the diameter: gloup A (average), group S(small), group L(large). Group A means that the diameter is within 1 SD of the mean. Group S and group L mean that the diameters are>1 SD smaller and larger, respecti-vely, than the mean. We compared the frequency of lesions ≥50% dia- meter stenosis in groups S and L for each artery. In group S versus L, respectively, the frequency of ≥50% lesion was 6.7% versus 2.6% (P = 0.40 7) in the left main artery, 60% versus 33.3%(P = 0.030) in the right coronary artery, 57.1% versus 35% (P = 0.044) in the left anterior descending artery, and 47.2% versus 23.7% (P = 0.034) in the left circu- mflex artery. For the left main artery, there was a trend toward higher frequency of lesions ≥50% stenosis in group S versus group L. For the other major vessels, the fr-equency of lesions ≥50% in the proximal or midsegment was significantly higher in gr- oup S than in group L. Conclusion: We observed that smaller coronary arteries had a higher prevalence of co- ronary disease in this study. Thus, small coronary artery dia- meter may be a risk factor for atherosclerosis.