Abstract
Large subcutaneous tumor removal in the upper back could leave "dead space" and increase postoperative complications. The progressive tension suture (PTS) has long been used in abdominoplasty to close dead space and reduce the complications rate. We aimed to explore the effectiveness of the modified PTS to reduce the complication of the large subcutaneous tumor removal in the upper back. Fity-nine patients with large subcutaneous upper back tumors (maximal length over 5 cm) were included in our prospective study and were randomly divided into the PTS group (n = 32) and the non-PTS group (n = 27). Based on the exposure of the deep fascia and the thickness of the flap, we modified the PTS technique and compared the outcomes (including necrosis, hematoma, and seroma) between the two groups. The tumor size, flap thickness, and the total surgical duration were comparable between the two groups. The incidence of flap necrosis (6.30% versus 25.90%, P = 0.0659) and seroma (0.00% versus 33.30%, P = 0.004) in the PTS group was lower than that in the non-PTS group. The length of hospital stay in the PTS group was shorter than that in the non-PTS group (6.4 ± 1.3 versus 9.4 ± 2.1 days, P < 0.0001). The modified PTS technique can effectively close the dead space after surgical removal of large upper back tumor and reduce the complications compared to the conventional approach.
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