Our values for TFA content in all adipose tissues analyzed are higher than reported in other countries (3-6%). We showed more TFA in visceral adipose tissue than in other abdominal fat (subcutaneous and retroperitoneal) stores. The visceral adipose tissue level is worrisome because the higher rate of lipolysis in this tissue appears to be an important indicator of metabolic alterations and the levels of TFA found in adipose tissue presumably reflect the higher dietary intake of TFA by Brazilians.

O efeito do índice de massa corporal sobre as complicações no pós-operatório de cirurgia de revascularização do miocárdio em idososThe effect of the body mass index on postoperative complications of coronary artery bypass grafting in elderly Abstract Objectives: To evaluate the effect of BMI (body mass index) in the postoperative period of elderly patients undergoing CABG.Methods: Cross-sectional retrospective study, carried out in academic hospital, with all patients (n=290), aged or above 60 years, undergone CABG, from August 2006 to July 2007. The patients were divided into tertiles of BMI (<22, 22-27,> 27kg /m²). The variables included in the study were collected from medical records of patients and analyzed by logistic regression in association with the categories of BMI.Results: In the group with malnutrition were found larger percentage of impaired lung, kidney, hospital stay and immediate surgical mortality; but without statistical significance. Among female patients, the group malnutrition and eutrophy, 61.5% had hospital stay for a period longer than seven postoperative days compared to 42.5% male patients (p=0.003). In the group with malnutrition was found association between the CPB time and renal dysfunction with p<0.001 and, in eutrophic group with p=0.04. Obesity obtained protective association for lung dysfunction (RR=0.99), readmissions (RR=0.45) and mortality (RR = 0.77), and risk factor for renal dysfunction (RR=1.12). Conclusions 525REIS, C ET AL -The effect of the body mass index on postoperative complications of coronary artery bypass grafting in elderly Bras Cir Cardiovasc 2008; 23(4): 524-529 Rev

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