Pectoralis Major-Rectus Abdominis Bipedicle Muscle Flap in Treatment of Postoperative Mediastinitis.

Kim, Bom Jin; Lee, Won Jai; Tark, Kwan Chul

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Original Article

Journal of the Korean Society of Plastic and Reconstructive Surgeons 2005;32(4):421-427.
Published online July 1, 2005.

Pectoralis Major-Rectus Abdominis Bipedicle Muscle Flap in Treatment of Postoperative Mediastinitis.

Bom Jin Kim, Won Jai Lee, Kwan Chul Tark

Institution for Human Tissue Restoration, Department of Plastic & Reconstructive Surgery, Yonsei University College of Medicine, Seoul, Korea. pswjlee@ yumc.yonsei.ac.kr

Abstract

Although the incidence of mediastinal wound infection in patient undergoing median sternotomy for cardiovascular surgery is relatively low(less than 1%), it is not only a devastating and potentially life-threatening complication but also associated morbidity, mortality and cost are unacceptably high. During the past few decades various methods had been applied for the treatment of postoperative mediastinitis. Currently, chest wall reconstruction by using muscle flaps-especially pectoralis major muscle and rectus abdominis muscle are commonly selected for the reconstruction after wide debridement has become widely accepted. We performed bilateral pectoralis major-rectus abdominis muscles in-continuity bipedicle flap to overcome the limit of each flap for reconstruction of sternal defects in 17 patients. We analyzed the results of the surgery. Recurrent infection developed in 17.6% of cases and abdominal herniation was observed in one patient. There was no postoperative hematoma or death. We conclude that this flap is very valuable in reconstruction of the anterior chest wall defect caused by post-sternotomy infection because it provides sufficient volume to fill the entire mediastinum, and the complication rate compares favorably to that of other methods.

Keywords: Mediastinal infection; Bipedicle muscle flap

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