Table 1

Central nervous system complications following bariatric surgery.

Major disordersRecognized complications
EncephalopathyWernicke’s encephalopathy (WE)
Encephalopathy associated with D-lactic acidosis
• Hyperammonemic encephalopathy
Neuropsychiatric disorders• Frank eating disorders
• Anorexia nervosa
• Bulimia nervosa
• Binge eating behavior
• Eating avoidance disorder
• Suicide
Myelopathy• Posterolateral myelopathy
• Myeloneuropathy
Optic neuropathy• Nutritional optic neuropathy
Other possible conditions (need to be verified by further studies)• Stroke and Seizures
• CNS demyelination
• Spontaneous intracranial hypotension
• Cognitive impairment secondary to focal brain atrophy
  • CNS - central nervous system