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[Mediastinal infection following open heart surgery]
T Bjerno1, H C Arendrup, P Alstrup
1Odense Sygehus thoraxkirurgisk afdeling, TT.
Ugeskrift for Laeger
|December 3, 1990
Summary
Mediastinitis, a serious cardiac surgery infection, occurred in 1.4% of 1,763 patients. Early diagnosis and surgical treatment with irrigation drainage are crucial for managing this infection.
Area of Science:
- Cardiology
- Infectious Diseases
- Surgical Infections
Background:
- Mediastinal infections are a significant complication following cardiac surgery.
- The incidence and predisposing factors of mediastinitis require further investigation.
Purpose of the Study:
- To investigate the incidence, predisposing factors, and treatment outcomes of mediastinitis after cardiac surgery.
- To evaluate the effectiveness of a specific surgical intervention for mediastinal infections.
Main Methods:
- Retrospective review of 1,763 cardiac surgery patients over 11 years (1978-1988).
- Analysis of case records for mediastinitis occurrence, predisposing factors, and treatment protocols.
- Surgical intervention involved re-thoracotomy, debridement, and retrosternal irrigation with antibiotic solution.
Main Results:
- Mediastinitis was diagnosed in 24 patients (1.4%).
- Increased infection rates were observed with left internal mammary artery (LIMA) use and combined cusp/coronary surgery.
- Common pathogens included micrococci and Staphylococcus aureus; mortality rate was 21%.
Conclusions:
- Early diagnosis and active surgical treatment, including closed irrigation drainage, are vital for suspected mediastinal infections post-cardiac surgery.
- The study highlights the importance of timely intervention and effective management strategies for mediastinitis.