ISSN 1671-5411 CN 11-5329/R
Zhong-Hai WEI, Jie SONG, Lian WANG, Jing-Mei ZHANG, Wei HUANG, Biao XU. Therapeutic effect of interventional therapy for unprotected left main coronary artery lesions in aged patients. J Geriatr Cardiol 2015; 12(6): 634-640. doi: 10.11909/j.issn.1671-5411.2015.06.005
Citation: Zhong-Hai WEI, Jie SONG, Lian WANG, Jing-Mei ZHANG, Wei HUANG, Biao XU. Therapeutic effect of interventional therapy for unprotected left main coronary artery lesions in aged patients. J Geriatr Cardiol 2015; 12(6): 634-640. doi: 10.11909/j.issn.1671-5411.2015.06.005

Therapeutic effect of interventional therapy for unprotected left main coronary artery lesions in aged patients

doi: 10.11909/j.issn.1671-5411.2015.06.005
  • Received Date: 2015-07-16
  • Rev Recd Date: 2015-09-26
  • Publish Date: 2015-11-03
  • Objective To assesse the therapeutic effect of interventional therapy in aged patients with unprotected left main coronary artery (UPLM) lesions. Methods A total of 61 patients who were over 60 years and accepted interventional therapy of UPLM from January 2012 to November 2013 in our hospital were followed up for average 14.6 months by telephone call or outpatient visits. We analyzed the clinical features data of the interventional therapy and assessed the factors that likely influenced the clinical prognosis. Results The average age of the 61 patients was 73.9 years. The average left ventricular ejection fraction (LVEF) was 47.7%. The median of the estimated glomerular filtration rate (eGFR) was 52 mL/min per 1.73 mm2. The average SYNTAX score was 27.4 and the median of stent length was 36 mm. The cumulative incidence of cardiac death at 30 days and major adverse cardiac events (MACE) after one year was 6.6% and 32.5% estimated by Kaplan-Meier plots respectively. No severe hemorrhagic complications were observed during follow-up period. On multivariate regression analysis with a COX proportional hazards model, LVEF was an independent predictor of cardiac death at 30 days [Hazard ratio (HR): 0.7, P = 0.01]. As for MACE after one year, LVEF and eGFR were both independent predictors (HR: 0.91, P= 0.06 for LVEF, HR: 0.03, P = 0.097 for eGFR). Conclusions The interventional therapy for UPLM was effective and safe in aged patients. LVEF was the only predictor of cardiac death at 30 days, while LVEF and eGFR were both independent predictors of MACE after one year.
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