Residual Problems in Chest Donor Sites after Microtia Reconstruction

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Abstract
The rib cartilage has been the most popular autogenous tissue for microtia reconstruction. In this study, 88 chest donor sites were evaluated in 80 patients examined in the outpatient clinic at least 1 year after tissue removal. Microtia reconstruction usually was initiated between the ages of 2 and 3 years (42 percent), at which time an axial half of the sixth rib was harvested along with all of the seventh and eighth rib cartilages with their attached perichondrium. During this procedure, there were 19 uneventful pleural perforations (22 percent), and early in the series, 2 patients (2 percent) required a chest tube. Postoperative atelectasis without evidence of pneumothorax occurred in 7 patients (8 percent). Chest scars were classified by impartial observers as excellent (25 percent), good (33 percent), acceptable (28 percent), and poor (14 percent). Better scars were experienced in the cold-knife group than in incision by electrocutting. The younger group and the longer postoperative interval group showed better chest scars. Chest topography deformities were rated as normal (75 percent), mild retrusion (19 percent), and severe retrusion (6 percent). Costal margin contours improved as the postoperative interval lengthened. (Plast. Reconstr. Surg. 95: 961, 1995.)

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