Publicação: Hypoparathyroidism: What is the best calcium carbonate supplementation intake form?
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2017-01-01
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Introduction: In hypoparathyroidism, calcium supplementation using calcium carbonate is necessary for the hypocalcemia control. The best calcium carbonate intake form is unknown, be it associated with feeding, juice or in fasting. Objective: The objective was to evaluate the calcium, phosphorus and Calcium. ×. Phosphorus product serum levels of hypoparathyroidism women after total thyroidectomy, following calcium carbonate intake in three different forms. Methods: A crossover study was carried out with patients presenting definitive hypoparathyroidism, assessed in different situations (fasting, with water, orange juice, breakfast with a one-week washout). Through the review of clinical data records of tertiary hospital patients from 1994 to 2010, 12 adult women (18 50 years old) were identified and diagnosed with definitive post-thyroidectomy hypoparathyroidism. The laboratory results of calcium and phosphorus serum levels dosed before and every 30. min were assessed, for 5. h, after calcium carbonate intake (elementary calcium 500. mg). Results: The maximum peak average values for calcium, phosphorus and Calcium×Phosphorus product were 8.63mg/dL (water), 8.77mg/dL (orange juice) and 8.95mg/dL (breakfast); 4.04mg/dL (water), 4.03mg/dL (orange juice) and 4.12mg/dL (breakfast); 34.3mg2/dL2 (water), 35.8mg2/dL2 (orange juice) and 34.5mg2/dL2 (breakfast), respectively, and the area under the curve 2433mg/dLmin (water), 2577mg/dLmin (orange juice) and 2506mg/dLmin (breakfast), 1203mg/dLmin (water), 1052mg/dLmin (orange juice) and 1128mg/dLmin (breakfast), respectively. There was no significant difference among the three different tests (p >0.05). Conclusion: The calcium, phosphorus and Calcium. ×. Phosphorus product serum levels evolved in a similar fashion in the three calcium carbonate intake forms.
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Brazilian Journal of Otorhinolaryngology.
