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Published on: February 17, 2018
Reversible congestive heart failure in severe hypocalcemia
U Solzbach1, H-R Kitterer, H Haas
1Department of Cardiology, Ostalb-Klinikum Aalen, Aalen, Germany. ulrich.solzbach@ostalb-klinikum.de
Insights
Severe heart failure can stem from low calcium levels (hypocalcemia) due to hypoparathyroidism. Prompt calcium correction can reverse this heart failure, highlighting its importance in diagnosis.
Area of Science:
- Cardiology
- Endocrinology
- Internal Medicine
Background:
- The critical role of calcium in cellular functions is often underestimated in clinical practice.
- Hypoparathyroidism, a condition of insufficient parathyroid hormone, can lead to chronic hypocalcemia.
- Congestive heart failure (CHF) is a complex syndrome with various etiologies.
Observation:
- A case of severe congestive left heart failure was observed.
- The heart failure was directly linked to profound and long-term hypocalcemia.
- The hypocalcemia was secondary to surgically induced hypoparathyroidism.
Findings:
- Hypocalcemia should be considered in the differential diagnosis of refractory congestive heart failure.
- Rapid correction of serum calcium levels can avert unnecessary diagnostic and therapeutic interventions.
- Heart failure caused by hypocalcemia is completely reversible with calcium and vitamin D supplementation.
Implications:
- Clinicians should be vigilant for hypocalcemia in patients with unexplained or treatment-resistant heart failure.
- Early identification and management of hypocalcemia can lead to complete recovery from heart failure.
- This case underscores the need to integrate endocrine causes into cardiovascular diagnostics.
Abstract:
We present a case of severe congestive left heart failure due to profound and long-term hypocalcemia caused by surgically induced hypoparathyroidism. Hypocalcemia as a potential contributor to heart failure should be included in the differential diagnosis of all patients with congestive heart failure who do not respond adequately to the usual treatment. By rapid correction of the serum calcium level unnecessary diagnostic and therapeutic measures might be avoided. In addition, being aware of and treating hypocalcemia is crucial since this kind of heart failure is completely reversible with calcium and vitamin D treatment.The pivotal role of calcium in molecular and cellular biology is well known, but its clinical importance in day-to-day practice is often underestimated. Although some cases of heart failure resulting from hypocalcemia secondary to hypoparathyroidism have been published in the last 20 years, this subject is still poorly documented in almost all current textbooks.
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