| Titre : | Available Carbohydrates, Glycemic Load, and Pancreatic Cancer : Is There a Link ? (2010) |
| Auteurs : | Cari-L MEINHOLD ; Kevin-W DODD ; Andrew FLOOD ; Jeanine-M GENKINGER ; Richard-B HAYES ; . LI JIAO ; James-M SHIKANY ; Rachael-Z STOLZENBERG-SOLOMON |
| Type de document : | Article |
| Dans : | American journal of epidemiology (vol. 171, n° 11, 2010) |
| Pagination : | 1174-1182 |
| Langues: | Anglais |
| Mots-clés : | Glucide ; Glycémie ; Régime alimentaire ; Alimentation ; Aliment ; Lipide ; Consommation alimentaire ; Etude prospective ; Epidémiologie ; Cancer |
| Résumé : | [BDSP. Notice produite par INIST-CNRS EA8FnR0x. Diffusion soumise à autorisation]. High-carbohydrate diets have been linked to pancreatic cancer risk in case-control studies, but prospective studies have shown mostly null results. The authors investigated the associations of glycemic load, glycemic index, and carbohydrate intake with pancreatic cancer risk in the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial. Dietary intake was assessed by using a self-administered questionnaire. Between 1998 and 2006 (median follow-up=6.5 years), 266 incident, confirmed pancreatic cancers were identified among 109,175 participants. Hazards ratios and 95% confidence intervals were adjusted for sex, smoking, body mass index, and total energy. Overall, elevated risks for pancreatic cancer were observed in the 90th versus 10th percentile of glycemic load (hazards ratio (HR)=1.45,95% confidence interval (CI) : 1.05,2.00), available carbohydrate (HR=1.47,95% CI : 1.05,2.06), and sucrose (HR=1.37,95% CI : 0.99,1.89) intake. The positive association for available carbohydrate intake was observed during the first 4 years of follow-up (HR<2 years=2.60,95% CI : 1.34,5.06 ; HR2-<4 years=1.94,95% CI : 1.06,3.55) but not subsequently (HR=0.86,95% CI : 0.52,1.44) ; the opposite pattern was observed for total fat and saturated fat intake. Rather than being causal, the short-term increase in pancreatic cancer risk associated with high available carbohydrate and low fat intake may be capturing dietary changes associated with subclinical disease. |
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