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Hypocalcemic disorders.

Erin Bove-Fenderson1, Michael Mannstadt1

  • 1Endocrine Unit, Massachusetts General Hospital and Harvard Medical School, Thier 1101, 50 Blossom St, Boston, MA, 02114, USA.

Best Practice & Research. Clinical Endocrinology & Metabolism
|November 20, 2018
PubMed
Summary
This summary is machine-generated.

Maintaining precise calcium levels is crucial for health. This summary covers hypocalcemia causes, symptoms, and management strategies, including parathyroid hormone (PTH) replacement.

Keywords:
hypocalcemiahypoparathyroidismparathyroid hormonepseudohypoparathyroidismvitamin D

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Area of Science:

  • Endocrinology
  • Calcium Homeostasis
  • Mineral Metabolism

Background:

  • Extracellular calcium concentrations require tight regulation for physiological function.
  • Hypocalcemia, or low serum calcium, can range from asymptomatic to life-threatening.
  • Chronic hypocalcemia often stems from hypoparathyroidism or vitamin D metabolism disorders.

Purpose of the Study:

  • To discuss common and rare disorders causing hypocalcemia.
  • To outline the symptoms and diagnostic workup for hypocalcemia.
  • To review management strategies, including calcium and vitamin D supplementation and parathyroid hormone (PTH) replacement.

Main Methods:

  • Literature review of hypocalcemia disorders, symptoms, and management.
  • Discussion of calcium homeostasis regulatory axes.
  • Case examples illustrating treatment titration for hypoparathyroidism.

Main Results:

  • Acute hypocalcemia symptoms like tetany and seizures are rapidly treated with intravenous calcium gluconate.
  • Chronic hypocalcemia management requires careful balancing of calcium and vitamin D to avoid complications such as hypercalciuria.
  • Understanding the underlying disorder is key for effective hypocalcemia management.

Conclusions:

  • Hypocalcemia necessitates a thorough understanding of calcium regulatory mechanisms.
  • Management strategies must be tailored to the specific underlying cause of hypocalcemia.
  • Emerging therapies, such as PTH replacement, offer new avenues for treating hypoparathyroidism-induced hypocalcemia.