Obesity surgery
-
One of the most common bariatric operations is the laparoscopic Roux-en-Y gastric bypass (LRYGBP) in which the gastric capacity is restricted and the absorption by the small intestine is reduced. The objective of this study was to evaluate the incidence of iron, folate, and vitamin B12 deficiency anemia in patients undergoing LRYGBP. ⋯ Our routine scheme of vitamin supplementation is not sufficient to prevent iron and vitamin B12 deficiencies in most patients.
-
Morbidly obese individuals may have impaired alveolar-membrane diffusing capacity (DmCO). The purpose of this study was to measure pulmonary diffusing capacity for NO (DLNO) as an index of DmCO pre- and postbariatric surgery in the morbidly obese. ⋯ Alveolar-membrane diffusion normalizes within 10 weeks after bariatric surgery. This is likely due to the increase in alveolar volume from the reduction in the waist-to-hip ratio.