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Preoperative body size and composition, habitual diet, and post‐operative complications in elective colorectal cancer patients in Norway

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Abstract:

Abstract
Background

Both malnutrition and obesity are related to worsened post‐operative outcomes after colorectal surgery. Obese cancer patients may be malnourished as a result of short‐term weight loss. The present study aimed to evaluate preoperative nutritional status, body composition and dietary intake related to post‐operative complications (POC) and post‐operative hospital days (POHD) in elective colorectal cancer (CRC) patients.
Methods

Anthropometry, body composition measured by bioelectric spectroscopy and dietary habits assessed by a validated food‐frequency questionnaire were examined in 100 newly‐diagnosed CRC patients. Data from 30‐day POC and POHD were collected from medical records. Nonparametric and chi‐squared tests and logistic regression were used to analyse associations between body and dietary variables and post‐operative outcome.
Results

Twenty‐nine patients had at least one POC. The median POHD was six. Body size and composition measures and short‐term weight loss were no different between patients with and without POC, or between patients with POHD <7 and ≥7. Dietary variables were otherwise no different between patients with and without POC, although the median intake of marine n‐3 polyunsaturated fatty acids (PUFA, the sum of eicosapentaenoic and docosahexaenoic acids) was significantly lower in patients with versus without POC (0.7 versus 1.2 g day−1, = 0.04).
Conclusions

We found that preoperative body size, body composition and short‐term weight loss were not related to 30‐day post‐operative outcomes in CRC patients. A high content of marine n‐3 PUFA in preoperative habitual diets may protect against POC after CRC surgery.

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/jhn.12002

Publication date: August 1, 2013

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