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Two-year clinical outcomes in stable angina and acute coronary syndrome after percutaneous coronary intervention of left main coronary artery disease

  • Hyun, Dae Young (The Heart Center of Chonnam National University Hospital and The Heart Research Center Nominated by Korea Ministry of Health and Welfare) ;
  • Jeong, Myung Ho (The Heart Center of Chonnam National University Hospital and The Heart Research Center Nominated by Korea Ministry of Health and Welfare) ;
  • Sim, Doo Sun (The Heart Center of Chonnam National University Hospital and The Heart Research Center Nominated by Korea Ministry of Health and Welfare) ;
  • Jeong, Yun Ah (The Heart Center of Chonnam National University Hospital and The Heart Research Center Nominated by Korea Ministry of Health and Welfare) ;
  • Cho, Kyung Hoon (The Heart Center of Chonnam National University Hospital and The Heart Research Center Nominated by Korea Ministry of Health and Welfare) ;
  • Kim, Min Chul (The Heart Center of Chonnam National University Hospital and The Heart Research Center Nominated by Korea Ministry of Health and Welfare) ;
  • Kim, Hyun Kuk (The Heart Center of Chonnam National University Hospital and The Heart Research Center Nominated by Korea Ministry of Health and Welfare) ;
  • Jeong, Hae Chang (The Heart Center of Chonnam National University Hospital and The Heart Research Center Nominated by Korea Ministry of Health and Welfare) ;
  • Park, Keun Ho (The Heart Center of Chonnam National University Hospital and The Heart Research Center Nominated by Korea Ministry of Health and Welfare) ;
  • Hong, Young Joon (The Heart Center of Chonnam National University Hospital and The Heart Research Center Nominated by Korea Ministry of Health and Welfare) ;
  • Kim, Jun Han (The Heart Center of Chonnam National University Hospital and The Heart Research Center Nominated by Korea Ministry of Health and Welfare) ;
  • Ahn, Youngkeun (The Heart Center of Chonnam National University Hospital and The Heart Research Center Nominated by Korea Ministry of Health and Welfare) ;
  • Kang, Jung Chaee (The Heart Center of Chonnam National University Hospital and The Heart Research Center Nominated by Korea Ministry of Health and Welfare)
  • Received : 2014.12.05
  • Accepted : 2015.09.28
  • Published : 2016.11.01

Abstract

Background/Aims: This study appraised the long term clinical outcomes of patients treated with percutaneous coronary intervention (PCI) for unprotected left main coronary artery (ULMCA) disease. There are limited data regarding long-term clinical outcomes after PCI for ULMCA disease. Methods: From 2001 to 2011, a total of 448 patients who underwent PCI for ULMCA disease and had 2-year clinical follow-up, were analyzed. The study patients were divided into two groups: group I (stable angina pectoris [SAP], n = 60, 48 men, $62{\pm}10years$) and group II (acute coronary syndrome [ACS], n = 388, 291 men, $64{\pm}10years$). We evaluated clinical and angiographic characteristics and major adverse cardiac events (MACE) during 2-year clinical follow-up. Results: Mean age of studied patients was $64{\pm}10years$ with 339 male patients. Average stent diameter was $3.6{\pm}0.4mm$ and stent length was $19.7{\pm}6.3mm$. Stent implantation techniques and use of intravascular ultrasound guidance were not different between two groups. In-hospital mortality was 0% in group I and 7% in group II (p = 0.035). One-month mortality was 0% in group I and 7.7% in group II (p = 0.968). Two-year survival rate was 93% in the group I and 88.4% in the group II (p = 0.921). Predictive factors for 2-year MACE were hypertension, Killip class ${\geq}3$, and use of intra-aortic balloon pump by multivariate analysis. Conclusions: Although in-hospital mortality rate was higher in ACS than in SAP, clinical outcomes during 2-year clinical follow-up were similar between SAP and ACS after PCI of ULMCA.

Keywords

References

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