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[Quadricuspid aortic valve: case reports].

M Mathison1, A Furuse, H Kotsuda

  • 1Department of Thoracic Surgery, University of Tokyo School of Medicine.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|May 1, 1990
PubMed
Summary
This summary is machine-generated.

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Quadricuspid aortic valves can cause aortic regurgitation. Larger accessory cusps correlate with a higher incidence of this condition, necessitating surgical intervention.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Congenital Heart Disease

Background:

  • The aortic valve typically has three cusps.
  • Quadricuspid aortic valve is a rare congenital anomaly.
  • Aortic regurgitation is a significant complication.

Observation:

  • Two cases of quadricuspid aortic valve presenting with aortic regurgitation are detailed.
  • Surgical findings included variations in cusp size and coronary artery ostium position.
  • One case involved a smaller cusp between the right and left coronary cusps; the other had two larger and two smaller cusps with displaced coronary ostia.

Findings:

  • Analysis of 26 cases (24 literature + 2 own) revealed a correlation between accessory cusp size and aortic regurgitation.
  • A larger accessory cusp was associated with a higher incidence of aortic regurgitation (p < 0.05).

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Implications:

  • Understanding the morphology of quadricuspid aortic valves is crucial for diagnosing and managing aortic regurgitation.
  • Surgical outcomes were favorable in the reported cases following valve replacement.
  • This highlights the importance of detailed pre-operative assessment and surgical planning for rare cardiac anomalies.