Which surgical procedures may cause hypocalcemia?

Updated: Aug 08, 2019
  • Author: Manish Suneja, MD, FASN, FACP; Chief Editor: Vecihi Batuman, MD, FASN  more...
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The following surgical procedures may result in hypocalcemia:

  • Parathyroidectomy causes a transient hypocalcemia due to end-organ PTH resistance in the first postoperative day; in addition, vascular/parathyroid injury may occur as an operative mishap; postoperative oral calcium supplementation, with dosing based on a protocol that considers patient variables affecting risk can prevent postoperative hypocalcemia in almost all cases. [32]

  • Pancreatectomy prevents calcium absorption in the duodenum and the jejunum by eliminating necessary enzymes

  • Bowel resection may cause hypocalcemia by reducing the surface available to absorb fatty acids and calcium

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