Defi ciencia clínica de vitamina A tras bypass gástrico. Descripción de un caso clínico y revisión de la literatura

Abstract

Vitamin A defi ciency is uncommon in developed countries. Bariatric surgery emerges a an important risk factor for vitamin A defi ciency and some clinical cases have been described, specially associated with malabsorptive surgical techniques, such as biliopancreatic diversion. In this paper we report a clinical case of a patient who developed blindness, ophthalmological disease and cutaneous alterations secondary to vitamin A defi ciency after gastric bypass. A review of other publications and recommendations on this important subject is also included. ResumenLa defi ciencia de vitamina A es infrecuente en los países desarrollados. La cirugía bariátrica constituye un factor de riesgo de defi ciencia de esta vitamina. Se han descrito varios casos en pacientes sometidos a técnicas con un importante componente malabsortivo, como la derivación biliopancreática. En este artículo se describe un caso de defi ciencia clínica de vitamina A con manifestaciones oculares y cutáneas tras bypass gástrico y se revisan las publicaciones sobre este tema y las recomendaciones para la prevención de esta importante complicación.

Micronutrients in Pregnancy after Bariatric Surgery: A Narrative Review

“…In gastric bypass, a prevalence of 11% has been reported, and it is associated with visual symptoms such as xerophthalmia or night vision impairment [ 114 ]. In a prospective study in GBP patients, decreased levels were observed in 37.5%, 50.8%, and 52.9% preoperatively, at 30 days, and at 180 days, respectively [ 115 ]. Clinical vitamin A deficiency, manifested by visual and skin changes, is less common.…”