The Comparison of Serum Lipid Levels and Risk Factors according to the Status of Coronary Atherosclerosis in Koreans

한국인의 관동맥질환에 따른 혈중 지질 및 위험인자의 비교 연구

Hong, Soon-Jun;Oh, Dong-Joo;Kim, Eung-Joo;Lee, Seung-Jin;Shin, Sung-Hee;Choi, Jong-Il;Choi, Chul-Woong;Park, Jae-Suk;Ahn, Jeong-Cheon;Park, Chang-Gyu;Seo, Hong-Seok;Ro, Young-Moo
홍순준;오동주;김응주;이승진;신성희;최종일;최철웅;박재석;안정천;박창규;서홍석;노영무

  • Published : 20030600

Abstract

Background and Objectives:The aims of this study were to compare the lipid distributions and risk factors in an angiographically normal coronary artery group to those of microvascular and coronary artery diseased groups of Koreans, and to find the effects of the variable risk factors on the serum lipid levels according to the coronary atherosclerosis status. Subjects and Methods:A total of 1,198 patients (563 males and 635 females), having undergone a coronary angiography (CAG) using Judkins method, were included. According to their coronary angiographic findings, they were divided into normal CAG (n=568), microvascular disease (n=230) and coronary atherosclerosis (n=400) groups. Results:The mean value of the total cholesterol in the patients with normal coronary artery was 175 mg/dl, which progressively increased to 182 mg/dl and 198 mg/dl in the patients with microvascular disease and coronary atherosclerosis, respectively. The frequencies of the risk factors for coronary atherosclerosis also progressively increased in the patients with microvascular disease and coronary atherosclerosis. The mean values of the serum total cholesterol, LDL-cholesterol and lipoprotein(a), progres-sively increased from the patients with normal angiographic findings to those with microvascular disease and coronary atherosclerosis, and the results were statistically significant. The results for the patients with microvascular disease were in between those of the patients with normal angiographic findings and those with coronary atherosclerosis. Conclusion:The correlation between coronary atherosclerosis and the serum cholesterol levels has, until now, been studied epidemiologically, and this is the first study to angiographically elucidate the positive relationship between coronary artery disease and the serum cholesterol levels. Our data showed lower ranges of lipid distributions compared to those of the ATP III guideline.

배경 및 목적:이번 연구에서는 한국인의 기준에 맞는 적정 혈중 총콜레스테롤에 대한 고찰과 정상 관동맥, 미세혈관 협심증, 관동맥 질환군에서의 혈중 지질수치의 변화를 비교 분석하였고 당뇨, 고혈압, 흡연, 동맥경화지수, 비만 등의 위험 인자들이 각각의 대상군에 어떤 영향을 미치고 있는지에 대해서도 비교하였다. 방 법:고려대 구로 병원에 내원하여 관동맥 질환이 의심되어 관동맥 촬영을 시행한 1,198명의 환자(남:여=563:635)를 대상으로 하였다. 평균 연령은 55.6세(20~88세)였다. 1,198명의 환자는 관동맥 촬영 결과에 따라서 정상 관동맥(n=568), 미세혈관 협심증 (n=230), 관동맥 질환(n=400) 환자로 분류하였다. 결 과:본 연구에서는 정상 관동맥 촬영 소견을 보이는 남녀 전체에서 평균 총콜레스테롤은 174.5 mg/dL, 미세혈관 협심증이 의심되는 군에서는 181.9 mg/dL, 관동맥 질환이 존재하는 군에서는 198.4 mg/dL 이었다. 정상관동맥군의 평균 LDL-콜레스테롤의 경우 99.1 mg/dL, 평균 HDL-콜레스테롤은 48.6 mg/dL, 평균 중성지방은 137.6 mg/dL로 나왔다. 관동맥 촬영에 따른 혈관의 상태는 고혈압, 당뇨, 흡연 등의 위험인자의 개수와 유의한 상관관계가 있었다. 정상 관동맥군에서 미세혈관 협심증, 관동맥 질환 환자로 갈수록 혈중 총콜레스테롤(p$\geq$0.001), 동맥경화지수는(p$\geq$0.001) 유의하게 증가함을 확인할 수 있었으며, HDL-콜레스테롤(p$\geq$0.001)은 유의하게 감소함을 확인할 수 있었다. 미세혈관 협심증은 정상 관동맥군과 관동맥 질환군의 중간 정도의 결과를 보이고 있으며 관동맥 질환군과 유사한 위험 요소군을 가지고 있었다. 결 론:이번 연구는 지금까지의 역학적방법에 의한 혈중 지질변화의 관찰에서 벗어나 관동맥 촬영 결과를 바탕으로 정상군과 관동맥 질환군으로 분류하여 혈중 지질 변화를 관찰하였다는 것에 의의를 두고 싶다. 관동맥 질환의 위험인자 중 하나인 평균 총콜레스테롤치는 정상관동맥 군에서 역학적 자료를 바탕으로 얻어진 ATP III의 평균 총콜레스테롤치보다 더 낮은 수치를 보여주었다. 미세혈관 협심증은 관동맥 질환의 한 부분으로 생각할 수 있으며 보다 많은 관심과 관리가 필요하리라 생각된다.

Keywords

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