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A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep
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A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep

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Right ventricular rupture due to recurrent mediastinal infection with a closed chest

Lars Niclauss1, Dominique Delay, Frank Stumpe

  • 1Department of Cardiac Surgery, Hôpital cantonal de Sion, Av. Grand-Champsec 80, Sion, Switzerland. lars.niclauss@chuv.ch

Interactive Cardiovascular and Thoracic Surgery
|December 5, 2009
PubMed

Insights

Right ventricular rupture is a rare complication of mediastinitis after cardiac surgery. This case highlights RV perforation from infection in recurrent mediastinitis with a closed chest, emphasizing the need for careful management.

Area of Science:

  • Cardiology
  • Thoracic Surgery
  • Infectious Diseases

Background:

  • Mediastinitis following cardiac surgery can lead to severe complications.
  • Right ventricular (RV) rupture is a rare but life-threatening event in this context.
  • Causes often involve iatrogenic injury during sternal reopening or mechanical stress.

Observation:

  • This report details a unique case of RV wall perforation.
  • The perforation was attributed to infection in recurrent postoperative mediastinitis.
  • The patient presented with a closed chest, differing from typical presentations.

Findings:

  • The study identifies RV rupture as a critical complication of mediastinitis.
  • Infection-induced perforation in recurrent mediastinitis is a distinct mechanism.
  • The case underscores the potential for RV injury even without sternal reopening.

Implications:

  • This case expands the understanding of RV rupture mechanisms in postoperative mediastinitis.
  • It highlights the importance of considering infectious etiology in recurrent cases.
  • Findings may inform diagnostic and therapeutic strategies for complex mediastinitis.

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