Neurologic complications after bariatric surgery: An integrative review of the literature with case report

[Display omitted] •The surgical technique determines the pathophysiology of neurological complications following bariatric surgery.•Pre- and post-operative multidisciplinary monitoring is essential for the follow-up of patients undergoing bariatric surgery.•The onset of the first symptoms of complications after bariatric surgery is highly variable.•Vitamin B12, folate, and vitamin B1 deficiencies are the most common complications in post-bariatric surgery patients.