Dietary Glycemic Load and Index and Risk of Coronary Heart Disease in a Large Italian Cohort The EPICOR Study

Diet tinggi glycemic load (GL) dan tinggi glycemic index (GI) berhubungan dengan timbulnya penyakit jantung koroner (PJK) pada perempuan, tetapi tidak pada lelaki.

Arch Intern Med 170(7):640-647, 12 April 2010 © 2010 to the American Medical Association
Dietary Glycemic Load and Index and Risk of Coronary Heart Disease in a Large Italian Cohort-The EPICOR Study. Sabina Sieri, Vittorio Krogh, Franco Berrino, et al. 

Background  Dietary glycemic load (GL) and glycemic index (GI) in relation to cardiovascular disease have been investigated in a few prospective studies with inconsistent results, particularly in men. The present EPICOR study investigated the association of GI and GL with coronary heart disease (CHD) in a large and heterogeneous cohort of Italian men and women originally recruited to the European Prospective Investigation into Cancer and Nutrition study.

Methods  We studied 47 749 volunteers (15 171 men and 32 578 women) who completed a dietary questionnaire. Multivariate Cox proportional hazards modeling estimated adjusted relative risks (RRs) of CHD and 95% confidence intervals (CIs).

Results  During a median of 7.9 years of follow-up, 463 CHD cases (158 women and 305 men) were identified. Women in the highest carbohydrate intake quartile had a significantly greater risk of CHD than did those in the lowest quartile (RR, 2.00; 95% CI, 1.16-3.43), with no association found in men (P = .04 for interaction). Increasing carbohydrate intake from high-GI foods was also significantly associated with greater risk of CHD in women (RR, 1.68; 95% CI, 1.02-2.75), whereas increasing the intake of low-GI carbohydrates was not. Women in the highest GL quartile had a significantly greater risk of CHD than did those in the lowest quartile (RR, 2.24; 95% CI, 1.26-3.98), with no significant association in men (P = .03 for interaction).

Conclusion  In this Italian cohort, high dietary GL and carbohydrate intake from high-GI foods increase the overall risk of CHD in women but not men.

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Dr. David Fadjar Putra, MS
Spesialis Gizi Klinik
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