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Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611

Abstract

LUIS, Daniel de; IZAOLA, Olatz; FUENTE, Beatriz de la  and  ALLER, R.. Effect of l-arginine supplementation on insulin resistance and adipocitokines levels in head and neck cancer non diabetic patients after surgery. Nutr. Hosp. [online]. 2014, vol.30, n.4, pp.870-875. ISSN 1699-5198.  http://dx.doi.org/10.3305/nh.2014.30.4.7864.

Introduction: Previous studies have found that L-arginine induced beneficial effects over insulin resistance both in type 2 diabetes mellitus patients and healthy individuals. The aim of our study was to investigate whether an L-arginine enteral supplementation (20 g per day) in head and neck cancer patients could modify insulin resistance, leptin and adiponectin levels after surgery. Material and Methods: At surgery 82 patients were randomly allocated to two groups: group I received an enteral diet supplements with a high dose of arginine (20g per day) and group II received an enteral formula without arginine. At basal time and on postoperative day 10, the following parameters were recorded: glucose, c-reactive protein, insulin, HOMA (homeostasis model assessment), leptin and adiponectin. Results: Values of weight, body mass index, fat mass and fat free mass remained unchaged during the acute nutritional intervention in both groups. Insulin levels UI/L (-0.21 +/- 0.18) and HOMA units (-0.07 +/- 0.13) decreased in the arginine group. Adiponectin levels (+1.8 +/- 2.3ng/ml) increased in the arginine group. Conclusion: Short-term enteral L-arginine therapy addeded to usual enteral nutrition of patients affected by head and neck cancer and surgery without diabetes mellitus type 2 is able to improve insulin resistance and adiponectin levels.

Keywords : Adiponectin; Arginine; Head and neck cancer; Insulin resistance; leptin.

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