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KMID : 0358819830100020243
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Journal of Korean Society of Plastic and Reconstructive Surgeons
1983 Volume.10 No. 2 p.243 ~ p.251
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MUSCLE REPAIR IN THE UNILATERAL CLEFT LIP
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Abstract
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In the unilateral cleft lip, the orbicularis oris muscle has a abnormal position and orientation. The muscle fibers are parallel to the margins of the cleft and inserted to the columlla in normal side and alar base in cleft side. If the orciculars oris muscle is not rearranged to a normal horizontal position, the balanced symmetry of lip motion and natural full thickness contour cannot be achieved.
We have described a muscle repair technique which gives emphasis on the anatomcal horizontal repositioning of the orbicularis oris muscle in case of unilateral cleft lip repair and presented the following results after performing 31 cases.
1. The muscle dissection obviously adds the extended surgical trauma to the lip tissue and makes an operative procedure more complicated, but the postoperative course is uneventful as compared with the non-muscle reconstruction method.
2. By overlapping the two muscle flaps the wide muscle contact and union provide sufficient strength for normal function and the overlapping muscle flaps swell up and simulate philtral ridge.
3. By the separated repair of the orbicularis oris marginalis muscle the lower portion of the lip has a smooth full thickness contour.
4. The deformities of the nasal floor and alar base seem to be improved simultaneously by muscle dissection and repair alone.
5. The muscle repair technique has more advantages in case of wide complete unilateral cleft lip with hypoplastic marginal portion.
6. After the muscle reconstruction the secondary deformities seem to need only minor touch for skin distortions.
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KEYWORD
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