Hypozincaemia after Jejuno-Ileal Bypass

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Abstract
Serum zinc, albumin, α2, -macroglobulin, calcium, and magnesium were measured in 39 jejuno-ileal shunt-operated patients. The binding of serum zinc to albumin and α2-macroglobulin were calculated. The results demonstrate that the patients as a group had a highly significant hypozincaemia (P < 0.001), caused by a reduction of the albumin-bound serum zinc (P < 0.001). Furthermore, the patients showed hypocalcaemia (P < 0.001) and hypomagnesaemia (P < 0.001). The findings indicate that patients with jejuno-ileal bypass for gross obesity develop deficiency of the divalent cations.