Review Article
The Neurological Complications of Nutritional Deficiency following Bariatric Surgery
Table 3
Specific neurological complications associated with vitamin deficiencies after bariatric surgery.
| Vitamin/nutrient | Incidence | Complications |
| Vitamin A | 10% | Xerophthalmia, night blindness, and decreased immunity | Vitamin B1 | “Common” | Wernicke’s encephalopathy, Korsakoff syndrome, and Beriberi (dry/wet) | <1% symptomatic | Vitamin B12 | 30–70% | Myelopathy, neuropathy, dementia, and depression | Folate | 1–10% | Macrocytic anemia and fatigue may aggravate B12 deficiency | Vitamin D | 50–60% | Myopathy | Vitamin E | Rare | Peripheral neuropathy, myopathy | Copper | Rare because undiagnosed | Myelopathy, sensory ataxia | Vitamin B2 | 14% | Burning feet syndrome | Vitamin B6 | 17% | Polyneuropathy |
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