Assessment of Nutritional Status After Gastric Bypass Surgery

University of Lausanne (UNIL)

Status: Completed

Conditions: Nutritional Deficiencies; Obesity

Treatments: Procedure: Roux-en-Y gastric bypass (RYGP)

Study type: Observational

Funder types: Other

Identifiers

NCT01891591

39/08

Details and patient eligibility

About

This study is aimed at assessing how Roux-en-Y gastric bypass (RYGP) impacts on energy and nutrients' intake, energy expenditure, and nutritional status in obese patients. It will try quantitate energy and protein balance after RYGP, and to identify how RYGP effects the intake of various common dietary protein sources 16 female patients with BMI > 40 kg/m2 and on a waiting list for bariatric surgery will be included. The following measurements will be performed before, and 1, 3, 6, 12, and 36 months after RYGP

• body weight
• body composition (bio impedancemetry)
• basal metabolic rate (open circuit indirect calorimetry)
• 24-hour urinary urea excretion
• fasting blood chemistry
• energy and macronutrient's intake (3-day dietary recall)

Enrollment: 16 patients

Sex: Female

Ages: 18 to 65 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• age 18-65 years
• gender: females
• body mass index >35 kg/m2

Exclusion criteria

• GI tract diseases
• endocrine diseases

Trial design

16 participants in 1 patient group

obese female subjects

Description:

16 obese female subjects with BMI \> 40 kg/m2 on a waiting list for bariatric surgery

Treatment:

Procedure: Roux-en-Y gastric bypass (RYGP)