Study on the effects of two approaches in the repair of unilateral microform cleft lip
Objective:To study the effects of unilateral microform cleft lip repaire by small and internal incision respectively.Meth-ods:This retrospective study was carried out by comparing the measurements of lip form in 42 patients with micro cleft lip before and af-ter operation with internal incision(n=22)and small incision(n=20)respectively.The evaluation was performed using two-dimension-al photographic analysis before,immediate and 2-years-post operation.The statistical significance was analysed using paired sample t test and independent sample t test.Results:The difference between the immediate and 2-year post-operative measurements were statis-tically significant(P＜0.05).The lip-height ratio and lip-width ratio were close to 1 after surgery.For the philtrum oblique angle,the im-provemet of small incision group was more significant than that of the internal group(preoperation vs 2-year-post operation P=0.002,im-mediate postoperation vs 2-year-postoperation P=0.017 respectively).Conclusion:Both internal and small incisions are effective for the repair of unilateral microform cleft lip.The small incision approach is more effective for the improvement of the philtrum oblique angle.
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