Nutritional Deficiencies in Patients after Roux-en-Y Gastric Bypass and Sleeve Gastrectomy during 12-Month Follow-Up

Jun 16, 2019Obesity surgery

Nutrient Deficiencies in Patients during the First Year after Roux-en-Y Gastric Bypass and Sleeve Gastrectomy

AI simplified

GLP-1 Therapies on OpenScience ↗PubMed ↗DOI ↗OA ↗

Abstract

Nutritional deficiencies were common before surgery, with a prevalence of up to 19.6% for albumin in the laparoscopic sleeve gastrectomy (LSG) group.

Median preoperative body mass index (BMI) levels and albumin concentrations were higher in the Roux-en-Y gastric bypass (RYGB) group compared to the LSG group.
Percent excess weight loss (%EWL) at 1 and 12 months showed no significant difference between LSG and RYGB.
One month after LSG, levels of erythrocytes, hemoglobin, iron, ferritin, and transferrin were significantly higher than in the RYGB group.
The differences in blood levels between the two groups diminished by 12 months.
At 12 months, the prevalence of vitamin B deficiency was significantly higher in the RYGB group.

AI simplified

INTRODUCTION: Roux-en-Y gastric bypass (RYGB) and laparoscopic sleeve gastrectomy (LSG) are the two most frequently performed bariatric operations. These two types of metabolic surgery alter the anatomy and function of digestive tract producing significant weight loss in morbidly obese patients but may lead to malnutrition.

AIM: Analysis of incidence and severity of malnutrition after bariatric surgery in patients submitted to RYGB or LSG during 12 months of follow-up.

MATERIAL AND METHODS: Retrospective study of 98 patients after RYGB (n = 47) or LSG (n = 51) assessed for nutritional deficiencies during 12 months after surgery was conducted. The differences in body mass index (BMI) and blood tests including erythrocytes, haemoglobin, total protein, albumin, iron, ferritin, transferrin, vitamin B12, folic acid, calcium and phosphorus concentrations were compared between groups before the operations and at 1 and 12 months.

RESULTS: Nutritional deficiencies were common before surgery with prevalence up to 19.6% for albumin in the LSG group. Median preoperative BMI levels and albumin concentrations were higher in the RYGB group compared to the LSG group, but there was no difference in percent excess weight loss (%EWL) at 1 and 12 months between LSG and RYGB. One month after LSG erythrocyte count, haemoglobin, iron, ferritin and transferrin levels were significantly higher than in the RYGB group. These differences subsided at 12 months. At 12 months, only the prevalence of vitamin Bdeficiency was significantly higher in the RYGB group. 12

CONCLUSION: Both RYGB and LSG lead to nutritional deficiencies despite different properties of operations and similar %EWL during follow-up.

Full Text

Full text is available at the source.

View full text (PDF) ↗View full text (HTML) ↗

Nutritional Deficiencies in Patients after Roux-en-Y Gastric Bypass and Sleeve Gastrectomy during 12-Month Follow-Up

Abstract

Full Text

You found one interesting study. We’ll send the next 7.

what lands in your inbox each week:

Recent issues from the glp-1 therapies brief

Abstract

Full Text

Related papers

You found one interesting study. We’ll send the next 7.

what lands in your inbox each week:

Recent issues from the glp-1 therapies brief