Long-term Evolution of Nutritional Deficiencies After Gastric Bypass: An Assessment According to Compliance to Medical Care.
ABSTRACT To study long-term nutritional deficits based on adherence to a standardized nutritional care after gastric bypass (GBP).
Long-term prospective data on nutritional complications after GBP are missing. It is not known whether severe deficiencies are prevented by standard multivitamin supplementation and what parameters are influenced by patient adherence to nutritional care.
One hundred forty-four consecutive subjects from our prospective database (90% women, initial body mass index: 48 ± 15 kg/m, age: 43 ± 10 years) who underwent GBP more than 3 years before the study were assessed. Multivitamins were systematically prescribed after GBP, and additional supplements were introduced if deficiencies were recorded during follow-up. We identified a group of 66 compliant subjects who attended yearly medical visits and a group of 32 noncompliant subjects who were recalled because they had not attended any visit for more than 2 years.
Weight loss was 42 ± 14 kg at 3 years or later. The number of nutritional deficits per subject was 3.2 ± 2.3 before surgery and did not significantly increase between 1 and 3 years or later after GBP (3.4 ± 2.0 and 3.5 ± 2.3, respectively). However, specific nutritional deficits occurred despite long-term multivitamin supplementation, including vitamins B1, B12, and D and iron. Noncompliant subjects had more deficits than compliant subjects (4.2 ± 1.9 vs 2.9 ± 2.0 deficits per patient, P < 0.01) and the number of deficits correlated with the time from last visit (r = 0.285, P < 0.01).
Lifelong medical care is required to maintain a good nutritional status after GBP. Monitoring of nutritional parameters is necessary to add supplementation for deficits that are not prevented by multivitamin preparations.
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ABSTRACT: Background Roux-en-Y gastric bypass (RYGB) is considered the gold standard for the treatment of morbid obesity. There is no consensus over ideal limb length when the bypass is created and published studies do not take into account the influence of the common limb (CL) on weight loss. Objectives To study the influence of the common limb following Roux-en-Y gastric bypass. Setting Virgen de la Arrixaca University Clinical Hospital. Murcia. Spain. Material and methods This prospective study includes 151 patients undergoing laparoscopic RYGB surgery for morbid obesity. The patients were divided into two groups according to their body mass index (BMI). The small intestine (SI) was measured using micro forceps, so that the percentage of common limb (%CL) could then be compared against the total SI in each patient. The percentage of excess weight loss (%EWL) in relation to the %CL was calculated at 3, 12 and 24 months. A series of tests was conducted simultaneously to analyse nutritional deficiencies and their relation to the %CL. Results The total jejunoileal segment (TJS) and the %CL in the groups of both obese and superobese patients had no influence on the %EWL in either group for any of the time periods studied. The patients with a %CL<50% had greater nutritional deficiencies in the follow-up period and required supplements and more frequent laboratory tests. Conclusions The %CL has no effect on weight loss in RYGB patients. A lower %CL is related to greater nutritional deficiencies.Surgery for Obesity and Related Diseases 07/2014; · 4.94 Impact Factor