Septal anchoring suture: a key suture to improve the nasolabial symmetry in unilateral cheiloplasty

Publication date: September 2018

Source: International Journal of Oral and Maxillofacial Surgery, Volume 47, Issue 9

Author(s): T.-C. Lu, S. Filson, C.-F. Yao, P.K.-T. Chen

Abstract

Since 2008, a septal anchoring suture has been used in unilateral cleft lip repair at Chang Gung Memorial Hospital in order to stabilize the lateral lip centrally. This study compared the symmetry of two groups of patients: those treated with and without an anchoring suture. Multiple standardized direct and photographic facial measurements were performed on the faces of all patients pre-cheiloplasty and at 5 years post-cheiloplasty. The degree of nasolabial symmetry was evaluated by comparing the ratios of measurements of the cleft vs. non-cleft sides. The ratio of change in these measurements was also compared postoperatively. The vertical lip length ratio approached 1 in the septal anchoring suture group, which differed significantly from the group without the suture (0.968 vs. 0.873, P < 0.001). As expected, the horizontal lip length and central lip height ratios showed no statistically significant change. The ratio of change from pre- to postoperative also showed a significant improvement (P = 0.028) in the vertical lip length of the group with the septal anchoring suture compared to the one without. The septal anchoring suture is a useful method to correct the tendency of the lip to shift to the cleft side.

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