Routine Calcium for Preventing Hypocalcemia

Status Completed

Clinical Trial Summary

The present study investigated the effect of routine calcium and vitamin D supplementation and tried to find the predictors for postoperative hypocalcemia in patients with thyroid cancer.

Clinical Trial Description

The present study investigated the effect of routine calcium and vitamin D supplementation and tried to find the predictors for postoperative hypocalcemia in patients with thyroid cancer. Demographic data, including age, sex, pathologic features, and postoperative laboratory test results were analyzed, as was the development of symptomatic hypocalcemia, defined as an ionized calcium concentration below 4.6 mg/dL (normal range, 4.6-5.4 mg/dL) associated with hypocalcemic symptoms. Hypocalcemia was considered permanent in patients who required calcium supplementation for longer than 6 months after thyroidectomy.

Serum concentrations of PTH and ionized calcium were measured 1 and 14 days postoperatively. Patients in the routine calcium group received oral supplements of 1,500 mg/day elemental calcium and 1,000 IU/day cholecalciferol for 2 weeks, beginning on the first postoperative day (POD) to the 14th POD, whereas patients in the control group received no supplementation. If symptomatic hypocalcemia developed, patients in both groups received 2.0 g of intravenous calcium, followed by oral supplementation with 3,000-4,000 mg/day elemental calcium and 1,000-2,000 IU/day cholecalciferol up to the 14th POD. If hypocalcemic symptoms were persistent or worsening 2 hours after calcium administration, patients were administered another intravenous calcium supplementation. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03484416
Study type	Interventional
Source	Ewha Womans University Mokdong Hospital
Contact
Status	Completed
Phase	N/A
Start date	March 1, 2016
Completion date	May 30, 2017

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