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관상동맥 중재술 시에

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― F-187 ―

관상동맥 중재술 시에 Abciximab 투여 받은 ST 분절 상승 및 비상승 심근경색증 환자의 장기 임상경과 비교

전남대학교병원 심장센터, 전남대학교 심혈관계 특성화사업단

*김정훈, 정명호, 김인수, 박수환, 이두환, 최옥자, 이지숙, 정영숙, 박현아, 이민구, 고점석, 이신은, 강원유, 김수현, 박근호, 심두선, 홍영준, 김주한, 안영근, 조정관, 박종춘, 강정채, 박옥규

연구배경: ST분절 상승 심근경색증(STEMI) 환자와 ST분절 비상승 심근경색증(NSTEMI) 환자에서 Abciximab(Reopro)를 사용 후 시행한 관 상동맥 중재술에 대한 임상경과를 알아보고자 하였다. 대상 및 방법: 2006년 1월부터 2007년 6월까지 전남대학교병원 심장센터 심도자실에 서 급성 심근경색증 진단을 받고 관상동맥 중재술 중 Abciximab(Reopro)을 사용한 190명(60.8±11.9세, 남146명)을 대상으로 6개월과 1년 임 상경과를 분석해 보았다. 결과: 대상 환자 중 STEMI 165명(86.8%), NSTEMI 25명(13.2%) 이었고 양 군 간에 성별(남자:77.0% vs. 76%), 고혈압(44.2% vs. 48.0%), 당뇨병(20.6% vs. 12.0%), 고지혈증(6.7% vs. 8.0%), 흡연력(50.3% vs. 44.0%), 심근경색증의 과거력(2.4% vs.

8.0%), 관상동맥 중재술 과거력(1.8% vs. 8.0%), Killip's class I(81.2% vs. 88.0%), 스텐트 시술(96.4% vs. 96.0%), 스텐트 직경(3.32±0.36 mm vs. 3.34±0.57 mm), 좌심실 구혈률(55.1±11.9% vs. 54.3±12.7%), 시술 전 TIMI flow(0-1 flow: 75.2% vs. 60.0%, 2 flow: 18.2% vs. 24.0%, 3 flow: 6.7% vs. 16.0%), 시술 후 TIMI flow (0-1flow: 1.2% vs. 4.0%, 2 flow: 6.1% vs. 12.0%, 3 flow: 92.7% vs. 84.0%)는 통계학적 유의한 차이를 보이지 않았으나, 다혈관질환(48.5% vs. 72.0%, p=0.028), 표적병변 (LCx: 10.9% vs. 32.0%, p=0.009), 복잡 병변 형태(B2, C: 61.8%

vs. 84.0%, p=0.031), PCI type (primary: 77.6% vs. 0%, urgent: 6.7% vs. 32.0%, elective: 15.8% vs. 68.0% ; p<0.001, p=0.001, p<0.001) 등은 통계학적 유의한 차이를 보였다. 병원 내 사망률(3.0% vs. 4.0%, p=0.576), 6개월 MACE (5.1% vs. 8.3%, p=0.625), 12개월 MACE (7.4%

vs. 18.2%, p=0.109) 등은 양군 간에 유의한 차이를 보이지 않았다. 결론: ST분절 상승 및 비상승 심근경색증 환자에 대한 Abciximab 사용 후 관상동맥 중재술은 병원 내 사망률, 6개월 및 12개월 MACE는 비교적 낮았으며, 양 군 간에 차이는 없었다.

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Predictors and clinical implication of left ventriciular function evolution after percutaneous coronary intervention in acute myocardial infarction

대한심장학회 Korea Acute Myocardial Infarction Registry 연구자

*고점석, 정명호, 안영근, 채성철, 허승호, 성인환, 김종현, 홍택종, 구본권, 채제건, 채동훈, 윤정한, 배장호, 나승운, 류제영, 김두일, 김기식, 김병옥, 오석규, 채인호, 이명용, 정경태, 조명찬, 김종진, 김영조 외, Korea Acute Myocardial Infarction Registry Investigators

Introduction: LV dysfunction is emerged as main problem in acute myocardial infarction even after successful revascularization. We investigate clinical implication and predictors of LV function evolution after acute myocardial infarction which was treated with percutaneous coronary intervention (PCI). Methods: 1214 patients (male 73.7%, Age 62.3±12.8 yr) with acute myocardial infarction who underwent successful PCI were included in Korea Acute Myocardial Infarction Registry (KAMIR). We checked baseline clinical characteristics, laboratory findings, and angiographic data. Serial echocardiographic examinations were performed at baseline and 6 months follow-up. Predictors of LV systolic function evolution and the incidence for major advance cardiac events (MACE) at 6 months follow-up was analyzed. Results: LV systolic function was improved [increased ejection fraction (EF) more than 10%] in 281 patients (23.1%) and worsened (decreased EF more than 10%) in 104 patients (8.6%). 829 patients (68.3%) showed no significant interval change. Major advance cardiac event was significantly lower in LV function improvement group (HR=5.04, p=0.021). Independent predictors of LV function improvement were high pro-BNP level (3247±108.4 vs. 2081.6±5096.7, p=0.003), low troponin-I level (37.8±62.0, p<0.001), low hsCRP level (31.9±108.4 vs. 20.2±79.6, p=0.026) and low baseline ejection fraction (43.8±10.9 vs. 53.4±12.3, p<0.001). No clinical and angiographic parameters showed statistically significant difference between two groups. Conclusion: Significant number of patient showed worsening of LV function despite successful revascularization. Independent predictors of LV function improvement after primary PCI were high pro-BNP, low CRP and low troponin-I levels, and low baseline EF. Improvement of LV function was associated with better long term survival.

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