Dissertation > Medicine, health > Internal Medicine > Heart, blood vessels ( circulatory ) disease > Heart disease > Coronary arteries ( atherosclerosis ),heart disease (CHD)

The Safety and Efficacy of Stenting in Unprotected Left Main Coronary Artery Via 6F Guiding Catheter by Transradial Approach

Author XueZhiMin
Tutor ZhouBinQuan
School Zhejiang University
Course Department of Cardiology
Keywords Unprotected left main coronary artery Percutaneous coronary intervention Major adverse cardiac events
CLC R541.4
Type Master's thesis
Year 2011
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Background:Percutaneous coronary intervention(PCI)is an importantmethod of treating coronary heart disease. The security, and immediate and long-term outcomes of stentingin unprotected left main coronary artery(LMCA)by transradial approach have always been people’s attention.Objective:To evaluate the safety and efficacy of stenting in unprotected LMCA via 6F guiding catheter by transradial approach.Methods and results:Retrospective analysis of 61 patients from January 2008 to December 2009 who stenting in unprotected left main coronary arteryvia 6F guiding catheter by transradial approach,44-87 (66.03±10.02) years old. There were 40 cases with hypertension,14 caseswith diabetes mellitus, and smoking in 22 cases. The left ventricularejection fraction of patients were 28-86 (62.96±12.15)%, and creatinine were 44-130 (82.92±18.30) umol/L.Altogether 67 stents were successfully implanted into LMCA in 61 patients without serious complication during the procedure and in-hospital. The patients were followed up for 9~34 (16.25±5.92) months. MACE developed in 6 cases (9.8%), including 4 cases(6.6%) of target vessel revascul-arization and 2 death(3.3%). MACE in patients whose Syntax score≤32was significantly lower than patients with >32 score, P=0.036.Conclusion:Stenting in unprotected LMCA via 6F guiding catheter by transradial approach is safe and feasible, with good short and long-term outcomes. Patients in Syntaxlow-risk group(≤32) have better prognosis.

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