Zinc deficiency after gastric bypass for morbid obesity: a systematic review

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Mahawar, Kamal K ; Bhaskaer, Aparna Govil ; Bindal, Vivek ; Graham, Yitka ; Dudeja, Usha ; Lakadawala, Muffazal ; Small, Peter (2016)
  • Publisher: Springer US
  • Related identifiers: doi: 10.1007/s11695-016-2474-8
  • Subject: sub_healthsciences | top_sciences
    mesheuropmc: nutritional and metabolic diseases

The final publication is available at Springer via http://dx.doi.org/10.1007/s11695-016-2474-8\ud \ud Up to 50% of patients have zinc deficiency before bariatric surgery.Roux-en-Y gastric bypass (RYGB) is the commonest bariatric procedure worldwide. It can further exacerbate zinc deieciency by reducing intake as well as absorption. The British Obesity and Metabolic Surgery Society therefore, recommends that zinc level should be monitored routinely following gastric bypass. However the American guidance does not recommend such monitoring for all RYGB patients and reserves it for patients with 'specific findings' This review concludes that clinically relevant zinc deficiency is rare after RYGB Routine monitoring of zinc levels is hence unnecessary for asymptomatic patients after RYGB and should be reserved for patients with skin lesions, hair loss, pica, disgeusia, hypogonadism, or erectile dysfunction in male patients and unexplained iron deficiency anaemia.
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