Key visual iodine absorption

Iodine absorption is not affected by bariatric surgery

Bariatric surgery is often accompanied by malnutrition of several vitamins, minerals and trace elements. Iodine is a trace element, needed for synthesis of thyroid hormones. Since iodine is absorbed from the intestinal tract, patients after bariatric surgery are hypothetically at risk of malabsorption. This study aimed to estimate the daily absorption of iodine for patients after bariatric surgery in which several parts of intestine were bypassed.

Iodine excretion after Roux-en-Gastric Bypass or Biliopancreatic Diversion

To measure the daily iodine status, the Urinary Iodine Excretion (UIE) was used, which reflects the iodine intake within the past few days. 35 severely obese patients were included after either a Roux-en-Y Gastric Bypass or a Biliopancreatic Diversion procedure. Before, and 3 and 6 months after surgery, UIE was measured and compared to a control group.

Urinary iodine excretion is not reduced after bariatric surgery

At baseline, the UIE was similar in the obese and control group, consisting of 35 messmates following a similar diet. Three months after surgery, the UIE increased, which means a lower iodine absorption at that moment. 6 months post-surgically, UIE levels lowered to baseline levels. This indicates that after a bariatric procedure, the remaining gastrointestinal tract is capable of sufficiently absorbing the recommended daily iodine intake.

Related articles:

Vitamin D supplementation and bone density

High-dose vitamin D supplementation can improve bone density loss after a One-Anastomosis Gastric Bypass. Although bariatric surgery effectively treats obesity and comorbidities, nutritional deficiencies put patients a risk of developing other health issues. Loss of bone density is often encountered, due to changed bone metabolism and nutrient malabsorption. Vitamin D deficiencies are common after bariatric…

Iron deficiency prevention after RYGB

The choice of approach to prevent iron deficiency after RYGB

Vitamin B12 supplementation methods

This study compared vitamin B12 supplementation methods, to see if oral supplementation could be used as an alternative to intramuscular injections.

For more information about the article, get in touch with us by clicking the button below.

Reference:

Michalaki, M., Volonakis, S., Mamali, I. et al. OBES SURG (2014) 24: 1921. https://doi.org/10.1007/s11695-014-1255-5

Link to full text: https://link.springer.com/article/10.1007%2Fs11695-014-1255-5