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Hypocalcemic rickets: an unusual cause of dilated cardiomyopathy

D I Price1, L C Stanford, D S Braden

  • 1Department of Pediatrics, Division of Cardiology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA.

Pediatric Cardiology
|November 25, 2003
PubMed

Insights

A breast-fed infant with rickets and dilated cardiomyopathy improved with calcium and vitamin D. This case highlights a potential link between these conditions in infants and the effectiveness of supplementation.

Area of Science:

  • Pediatrics
  • Cardiology
  • Nutritional Science

Background:

  • Rickets, a condition of bone softening, is often linked to vitamin D deficiency.
  • Dilated cardiomyopathy involves enlargement and weakening of the heart's main pumping chamber.
  • Nutritional deficiencies in exclusively breast-fed infants can lead to serious health issues.

Observation:

  • A breast-fed infant presented with symptoms of rickets.
  • The infant also exhibited clinical signs of dilated cardiomyopathy.
  • These conditions were observed concurrently in the same patient.

Findings:

  • The infant showed a positive clinical response to supplemental calcium and vitamin D.
  • This suggests a potential etiological link between nutritional deficiency, rickets, and dilated cardiomyopathy.
  • This association has not been previously reported in an American child.

Implications:

  • Early diagnosis and supplementation are crucial for managing rickets and related complications.
  • This case underscores the importance of assessing nutritional status in infants with unexplained cardiomyopathy.
  • Further research may elucidate the precise mechanisms connecting vitamin D deficiency, bone health, and cardiac function in infants.

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