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Mediastinitis in heart transplantation.
S V Karwande1, D G Renlund, S L Olsen
1Division of Cardiothoracic Surgery, University of Utah School of Medicine, Salt Lake City 84132.
The Annals of Thoracic Surgery
|December 11, 1992
Summary
Mediastinitis occurred in 2.8% of cardiac transplant patients, with similar survival rates to those without infection. Surgical debridement with muscle flap technique proved 100% effective in treating mediastinitis.
Area of Science:
- Cardiology
- Thoracic Surgery
- Infectious Disease
Background:
- Mediastinitis is a serious complication following cardiac transplantation.
- Early diagnosis and effective treatment are crucial for patient outcomes.
Purpose of the Study:
- To evaluate the incidence, outcomes, and treatment strategies for mediastinitis in cardiac transplant recipients.
- To compare survival rates between patients with and without mediastinitis.
- To assess the efficacy of different surgical techniques for mediastinitis management.
Main Methods:
- Retrospective analysis of 420 cardiac transplantation patients between March 1985 and December 1991.
- Review of patient demographics, clinical presentation, diagnostic methods (including CT scans), and treatment approaches.
- Comparison of actuarial survival rates between patients who developed mediastinitis and those who did not.
Main Results:
- Mediastinitis developed in 12 patients (2.8%), with a mortality rate of 8.3%.
- Actuarial survival rates at 1 and 5 years were not significantly different between groups.
- Patients with mediastinitis had a higher prevalence of UNOS status 1 and prior sternotomies.
- The debridement muscle flap technique achieved a 100% success rate in infection elimination, compared to 33% for debridement irrigation.
- Computed tomographic scanning was a valuable diagnostic tool.
Conclusions:
- Mediastinitis in cardiac transplant patients, while serious, does not significantly impact long-term survival.
- The debridement muscle flap technique is a highly effective treatment for mediastinitis post-cardiac transplantation.
- Minimizing perioperative steroids may aid in early infection detection.