Hong Kong Med J 2009;15:173-8 | Number 3, June 2009
Impact of diabetes on early and mid-term survival after coronary artery bypass graft surgery in the Hong Kong Chinese population
WK Au, KT Lam, LC Cheng, SW Chiu
Division of Cardiothoracic Surgery, Department of Surgery, The University of Hong Kong, Grantham Hospital, Hong Kong
OBJECTIVE. To determine the impact of diabetes on early and mid-term survival in the Hong Kong Chinese population undergoing coronary artery bypass graft surgery.
DESIGN. Prospective study.
SETTING. Regional hospital, Hong Kong.
PATIENTS. A total of 904 consecutive patients following coronary artery bypass graft surgery from November 1999 to December 2003 were prospectively analysed. Among them, 377 (42%) diabetic and 527 (58%) non-diabetic patients were evaluated.
MAIN OUTCOME MEASURES. Hospital mortality, mid-term mortality, and percutaneous coronary intervention-free survival.
RESULTS. The diabetic group had a higher risk score than the non-diabetic group (mean+/-standard deviation: EuroSCORE 4.7+/-3.4 and 3.6+/-3.4, respectively; P
CONCLUSIONS. Diabetes mellitus was not a predictor of early and mid-term mortality after coronary artery bypass graft surgery in our Chinese population. Furthermore, diabetes did not affect angina recurrence or intervention free-survival up to 4 years.
Key words: Coronary artery bypass; Coronary disease; Diabetes mellitus; Survival analysis
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