Evaluation of factors that may influence in the insufficient weight loss in patients after two years of Roux-en-Y gastric bypass.

Introduction: bariatric surgery is a favorable option for the treatment of obesity, resulting in long-term weight loss.

Objectives: to analyze whether feeding behavior, evaluated by caloric intake, dietary preferences and tolerance, can be considered as a determinant factor for weight loss in obese patients submitted to Roux-en-Y gastric bypass (RYGB).

Methods: cross-sectional study of 105 patients with at least two years post-RYGB surgery with a preoperative body mass index (BMI) of ≥ 35 kg/m².

Phase Angle and Onodera's Prognostic Nutritional Index in critically ill patients.

Introduction: Assessing severity and nutritional prognosis in critical patients has become increasingly important in recent years, since these parameters are related to morbidity/mortality and used to guide therapeutic options.

Objective: Determine nutritional prognosis through the Phase Angle (PA) and Onodera's Prognostic Nutritional Index (OPNI) and its relationship with severity, hospitalization time and mortality of critically ill patients.

Methods: Descriptive cross-sectional study, involving adult patients hospitalized in an Intensive Care Unit (ICU).

Profile of the obese patients submitted to Roux-en-Y gastric bypass whithout diabetes melittus type 2 remission and/or insufficient weight loss.

Background: The literature reports that gastrojejunal derivation with Roux-en-Y gastric bypass is highly efficient in controlling weight and resolving; but studies have shown worsened glycemic control in a considerable number of patients and associated factors that have not been fully elucidated.

Aim: To analyze the profile of patients submitted to gastric bypass that did not achieve satisfactory weight loss or complete diabetes remission.

Methods: Case-control study of 32 patients submitted to gastric bypass with at least two years postoperative time, unsatisfactory results in terms of weight loss or absence of complete diabetes remission.

[Insufficient loss of weight and/or absence of DM2 remission after Roux-en-Y gastric bypass: factors that may influence the unsatisfactory results].

Background: Roux-en-Y gastric by-pass is considered one of the most effective treatments for maintaining long-term weight loss. However, it is associated to failures manifested by the inability to maintain weight loss, weight gain or poor glycemic control.

Objective: Study the possible factors that influence weight loss failure and/or DM2 remission.