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The effect of vitamin D levels on postoperative calcium requirements, symptomatic hypocalcemia, and parathormone levels following parathyroidectomy for primary hyperparathyroidism

Plain-language guide to PMID 22136822 (2011): clinical trial study of Parathyroid Hormone (PTH 1-84), hyperparathyroidism.

Key Facts

PMID
22136822
Journal
Surgery
Year
2011
Study type
Clinical Trial
Authors
Press D et al. (4 authors)
DOI
10.1016/j.surg.2011.09.018

What This Study Did, in Plain Language

What Was Tested

This clinical trial paper looks at Parathyroid Hormone (PTH 1-84) in the context of hyperparathyroidism.

Low vitamin D-25 is common in primary hyperparathyroidism but the effect of this deficiency on postparathyroidectomy calcium requirements is unclear.

Who Took Part

By PubMed's age tags, the people studied were teenagers, young adults, adults, middle-aged adults, older adults and people over 80, both men and women.

A prospective study was conducted on 4 groups based on preoperative vitamin D-25 levels: very low (<20 ng/mL, n = 500); low (21 to 30 ng/mL, n = 500); normal (>30 ng/mL, n = 500); and supplemented (<25 ng/mL supplemented to >40 ng/mL, n = 285).

Patients were placed on identical postoperative oral calcium regimens, and hypocalcemia symptoms were recorded.

How the Study Was Run

The timeline in the abstract includes 2 weeks.

Total calcium requirements for 2 weeks postoperation were calculated and parathormone (PTH) levels were measured for 2-6 months.

What Was Measured

Low vitamin D-25 is common in primary hyperparathyroidism but the effect of this deficiency on postparathyroidectomy calcium requirements is unclear.

PubMed files the paper under topics including Calcium, Hyperparathyroidism, Primary, Hypocalcemia, Parathyroid Hormone, Parathyroidectomy, Postoperative Complications and Vitamin D.

What This Means in Plain Language

This is a clinical trial of Parathyroid Hormone (PTH 1-84) in people with hyperparathyroidism over 2 weeks.

Its findings take up roughly 6 sentences of the abstract and are left out here on purpose; the source paper is the place to read them.

The publication is from 2011 (Surgery), a journal based in United States.

More context: the Parathyroid Hormone (PTH 1-84) compound page, Hyperparathyroidism research.

Our Notes on the Compound

Parathyroid Hormone (PTH 1-84): The 84-amino-acid hormone that raises blood calcium; full-length PTH (Natpara) has been used in hypoparathyroidism. Teriparatide is its 1-34 fragment.

Related Pages

Source: PubMed record. This explanation is written by PeptideWhiz from the public record. For research and education only. Not medical advice; no dosing information is given.