Korean Circulation Journal

The Korean Society of Cardiology (대한심장학회)
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Ruptured Tricuspid Valve Papillary Muscle in a Neonate with Intractable Persistent Fetal Circulation

  • Yoon, Ja Kyoung (Department of Pediatrics, Seoul National University Children's Hospital) ;
  • Kim, Hye Rim (Department of Pediatrics, Seoul National University Children's Hospital) ;
  • Kwon, Hye Won (Department of Pediatrics, Seoul National University Children's Hospital) ;
  • Kwon, Bo Sang (Department of Pediatrics, Seoul National University Children's Hospital) ;
  • Kim, Gi Beom (Department of Pediatrics, Seoul National University Children's Hospital) ;
  • Bae, Eun Jung (Department of Pediatrics, Seoul National University Children's Hospital) ;
  • Noh, Chung Il (Department of Pediatrics, Seoul National University Children's Hospital) ;
  • Kim, Woong Han (Department of Thoracic & Cardiovascular Surgery, Seoul National University Children's Hospital)
  • Received : 2014.08.04
  • Accepted : 2014.09.30
  • Published : 2015.07.30
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Abstract

Unguarded tricuspid regurgitation (TR) due to a flail tricuspid leaflet is a rare condition of newborn cyanosis. A high perinatal mortality has been associated with this fatal condition. But, there are feasible surgical repairs to improve survival. We report the case of a male full-term neonate with intractable hypoxia. He had profound tricuspid insufficiency and leaflet prolapse caused by a ruptured papillary muscle supporting the anterior leaflet of the tricuspid valve. He presented with severe cyanosis and respiratory distress immediately after birth. Despite medical management, the pulmonary vascular resistance was not decreased and a low cardiac output persisted. Initial stabilization was accomplished with nitric oxide and extracorporeal membrane oxygenation. The tricuspid valve repair surgery was successfully performed subsequently. TR resulting from papillary muscle rupture is a potentially lethal condition. Timely diagnosis and proper surgical treatment can be lifesaving.

Keywords

References

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  1. Prenatal diagnosis of premature constriction of the ductus arteriosus with tricuspid papillary muscle rupture: a case report vol.45, pp.2, 2015, https://doi.org/10.1007/s10396-017-0807-4