Postoperative mediastinitis in children: improvement of simple primary closed drainage.

Ann Thorac Surg

Intensive Care Unit of Pediatric Cardiac Surgery, Institut Jacques Cartier, Massy, France.

Published: August 2007

Background: Mediastinitis is a significant cause of postoperative morbidity. In 1989, we proposed simple primary closed drainage as a new treatment. Our goal is to describe improvements made to the original technique.

Methods: After wound debridement, infected areas were drained with Redon catheters connected to strong negative-pressure drainage bottles. Mediastinal effluents were cultured every day, and the catheters were withdrawn when the effluent culture was negative for microorganisms. Patients were classified into three groups: isolated mediastinitis (group 1), mediastinitis associated with endocarditis (group 2), and mediastinitis associated with other organ failure (group 3).

Results: Sixty-four patients were treated during a 10-year period: 15 neonates, 33 infants, and 16 children. Group 1 consisted of 40 patients. The time to mediastinal sterilization was 4 days (range, 1 to 14 days), and the antibiotic course was 11 days (range, 7 to 28 days), with a hospital stay of 13 days (range, 10 to 30 days). No deaths occurred in this group. Group 2 consisted of 7 patients. The time to mediastinal sterilization was 8 days (range, 3 to 10 days), and the antibiotic course was 30 days (range, 26 to 37 days), with a hospital stay of 37 days (range, 20 to 54 days). One patient in group 2 did not survive. Group 3 consisted of 17 patients. The time to mediastinal sterilization was 6 days (range, 1 to 10 days), and the antibiotic course was 15 days (range, 10 to 31 days), with a hospital stay of 20 days (range, 18 to 36 days). Two patients in group 3 did not survive. None of the deaths was directly related to mediastinitis, as the mediastinum was sterile in all 3 patients before death.

Conclusions: This simple treatment was efficient and reliable in achieving mediastinal sterilization. In addition, short antibiotic courses decreased restraint, which is poorly tolerated in pediatric patients.

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Source
http://dx.doi.org/10.1016/j.athoracsur.2007.03.064DOI Listing

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