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Ann Thorac Surg 1998;66:296-297
© 1998 The Society of Thoracic Surgeons
a Wythenshawe Hospital, Manchester, UK
To the Editor
My colleagues and I have been very strict with our policy in the hospital for methicillin-resistant Staphylococcus aureus. We isolate newly diagnosed cases and treat them until the infection is cleared. All staff have a regular microbiological check. I have no experience with methicillin-resistant Staphylococcus aureus in the setting of mediastinitis.
We do not use a separate incision to mobilize the pectoral muscle flaps. We also do not use this to fill the gap or dead space as there is no gap if the sternum is closed securely. The reasons for mobilizing muscle flaps are to relieve the sternum from lateral traction during pectoralis movement and to cover the bare sternum, providing a vascularized pedicle that is very good in resisting infection and assisting healing [1].
An omentum pedicle supplies excellent vascularized tissue to fill the infected pleural space and mediastinum and thereby help to control infection [2], particularly in patients with limited cardiopulmonary function. Our concern is that in sick patients with mediastinitis in the early phase, to use the omentum means exposing a second body cavity to the infecting organisms and reducing the respiratory reserve further in this particular group of patients. We do agree with Misawa and Fuse that later, when mediastinitis is proved to be under control, an elective plastic procedure using omental flaps is a very good treatment. We have no experience with this technique.
We thank Misawa and Fuse for their comments. We are eager to learn from their experience with methicillin-resistant Staphylococcus aureus mediastinitis.
References
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