Good nutritional control may prevent polyneuropathy after bariatric surgery

Area of Science:

• Bariatric Surgery
• Neurology
• Nutritional Science

Background:

• Peripheral neuropathy, particularly sensory polyneuropathy, is a known complication of bariatric surgery, often linked to malnutrition.
• Previous studies indicated a significant incidence of peripheral neuropathy post-bariatric procedures.

Purpose of the Study:

• To investigate if a comprehensive, multidisciplinary approach to bariatric surgery mitigates the risk of developing peripheral neuropathy.
• To identify risk factors associated with peripheral neuropathy in patients undergoing bariatric surgery.

Main Methods:

• Retrospective cohort study of patients who underwent bariatric surgery at the Mayo Clinic (1985-2002).
• Patients received intensive nutritional management pre- and post-surgery.
• Life-table methods (Cox regression) were used to analyze potential risk factors.

Main Results:

• Peripheral neuropathy occurred less frequently (7% vs. 13%, P < 0.01) in the cohort managed with a multidisciplinary approach compared to a prior cohort.
• The incidence of sensory polyneuropathy was significantly lower (1% vs. 7%, P < 0.0001).
• Identified risk factors included elevated glycosylated hemoglobin and triglycerides, prolonged hospitalization, and postoperative gastrointestinal issues.

Conclusions:

• A systematic, multidisciplinary approach incorporating intensive nutritional management and frequent follow-up substantially reduces the incidence of peripheral neuropathy after bariatric surgery.
• This approach is particularly effective in preventing the development of sensory polyneuropathy.