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관상동맥 중재술을 받은 급성 심근경색증 환자에서 흡연 유무에 따른 임상경과
설수영 ( Soo Young Seol ),이숙자 ( Sook Ja Lee ),정명호 ( Myung Ho Jeong ),이정애 ( Jung Ae Rhee ),최진수 ( Jin Su Choi ),황승환 ( Seung Hwan Hwang ),고점석 ( Jum Suk Ko ),이민구 ( Min Goo Lee ),심두선 ( Doo Sun Sim ),박근호 ( Keu 대한내과학회 2011 대한내과학회지 Vol.80 No.5
Background/Aims: To analyze the clinical effects of continuing to smoke in patients with acute myocardial infarction (AMI), clinical outcomes of those continuing or ceasing smoking were compared. Methods: In total, 498 patients with AMI who underwent percutaneous coronary intervention (PCI) from January to December 2007 were enrolled. Of these patients, 407 (63.9±11.9 years, males 70%) with 1-year follow-ups were analyzed. Based on risk factors for smoking, patients were divided into two groups: group I (smokers, n=164, 57.9±11.2 years) and group II (nonsmokers, n=243, 68.0±10.6 years). Additionally, group I patients were subdivided by cessation of smoking after discharge: group IA (current smokers, n=95, 56.8±10.5 years) and IB (past smokers, n=69, 59.4±12.0 years). Clinical characteristics, coronary angiographic and procedural findings, and 1year major adverse cardiac events (MACE) were analyzed. Results: During the 1-year follow-up period, MACE developed in 112 patients (27.6%) and death in 42 patients (10.3%). In terms of smoking habits at admission, there was no significant difference in the 1-year MACE between current smokers (Group I) and nonsmokers (Group II). In the subgroup analysis, there were no significant difference in clinical characteristics between groups I Α and IΒ. Mortality was significantly higher in group IA than in group IB during the 1-year clinical follow-up (11% vs. 0%; p=0.005). Conclusions: Of the AMI patients who underwent PCI, mortality was significantly higher in current smokers than in past smokers after PCI.