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FAMILIAL VALVULAR PULMONIC STENOSIS INVOLVING THREE SIBLINGS

Galal M. El-Said1, Mohamed El-Guindy, M Mohsen Ibrahim

  • 1Cardiology Department, Faculty of Medicine, Cairo University, Cairo, Egypt.

Cardiovascular Diseases
|March 1, 1979
PubMed

Insights

Genetic factors are implicated in congenital heart disorders, as shown in three siblings with isolated valvular pulmonic stenosis. This condition, affecting the pulmonary valve, highlights a potential hereditary link in cardiac development.

Area of Science:

  • Pediatric Cardiology
  • Medical Genetics
  • Congenital Heart Disease

Background:

  • Isolated valvular pulmonic stenosis is a congenital heart defect affecting the pulmonary valve.
  • Understanding the etiology of congenital heart defects is crucial for diagnosis and management.
  • Family history and genetic predispositions are increasingly recognized in cardiac anomalies.

Purpose of the Study:

  • To report on three siblings diagnosed with varying degrees of isolated valvular pulmonic stenosis.
  • To investigate the potential role of genetic factors in the development of this specific congenital heart disorder.
  • To highlight the clinical presentation and associated cardiac shunts in affected pediatric patients.

Main Methods:

  • Case study of three siblings with detailed clinical evaluation.
  • Assessment of cardiac anatomy and function, including valvular pulmonic stenosis.
  • Investigation of family history for congenital heart disease.

Main Results:

  • Three siblings aged 12, 10, and 8 presented with isolated valvular pulmonic stenosis of differing severity.
  • The middle sibling exhibited the most severe stenosis, accompanied by a right-to-left shunt via a patent foramen ovale.
  • No family history of congenital heart disease was reported among close relatives.

Conclusions:

  • The occurrence of isolated valvular pulmonic stenosis in multiple siblings suggests a significant genetic contribution.
  • These cases support the hypothesis that genetic factors play a role in the etiology of certain congenital cardiac disorders.
  • Further research into genetic mechanisms is warranted for understanding and potentially preventing such conditions.

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