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Reversible congestive heart failure associated with hypocalcemia: A case report
Chu Wang1, Li-Wen Dou2, Tian-Bing Wang1
1Trauma Rescue & Treatment Center, Peking University People's Hospital, Beijing 100044, China.
World Journal of Clinical Cases
|January 10, 2022
Summary
Hypoparathyroidism can cause severe hypocalcemia, leading to rare but serious conditions like congestive heart failure. Prompt calcium level monitoring and treatment are crucial for preventing complications.
Area of Science:
- Endocrinology
- Cardiology
- Nephrology
Background:
- Hypoparathyroidism is a rare endocrine disorder with primary or secondary causes.
- Its incidence in the US is estimated at 24-37 per 100,000 person-years.
- Congestive heart failure (CHF) is a rare complication of hypocalcemia secondary to hypoparathyroidism.
Observation:
- A 64-year-old woman presented with acute CHF, dyspnea, and chest heaviness.
- She had a history of thyroidectomy for a malignant thyroid tumor, muscle spasms, and cataracts.
- Laboratory results revealed severe hypocalcemia (serum calcium 1.33 mmol/L, ionized calcium 0.69 mmol/L) and suppressed parathyroid hormone (< 1.0 pg/mL).
Findings:
- Echocardiography showed a severely reduced ejection fraction (28.48%).
- Cardiac function rapidly improved upon correction of hypocalcemia.
- Follow-up revealed a significant increase in ejection fraction to 48.50%.
Implications:
- This case highlights the critical importance of monitoring calcium levels in patients with hypoparathyroidism.
- Timely management of hypocalcemia is essential to prevent life-threatening complications such as CHF.
- Early diagnosis and treatment can lead to rapid and significant recovery of cardiac function.
Keywords:
CalciumCardiomyopathyCase reportCongestive heart failureEchocardiographyHypoparathyroidismParathyroid hormoneMore Related Videos
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