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Wednesday, December 5, 2018

Impact of Nasalis Muscle Repair in Unilateral Cleft Lip Patients

Publication date: Available online 5 December 2018

Source: Journal of Cranio-Maxillofacial Surgery

Author(s): Sarah A. Attia, Hesham A. Helal, Amir S. El Barabary, Mostafa A. Awad, Mahmoud M. Sherif

Abstract
Background

Although the role of nasalis muscle in the establishment of nasal deformity is well recognized; its abnormal anatomy and role in the correction of alar deformity in cleft lip patients have not been adequately studied. This work aimed to study the effect of nasalis muscle repair on the postoperative nasal symmetry.

Patients and Methods

A controlled prospective randomized study was conducted on 45 cases of unilateral complete pre-alveolar cleft. Patients were divided into two groups; Group 1 (repair of the Orbicularis muscle only), Group 2 was further divided into 2 subgroups: Subgroup A (repair of the orbicularis oris muscle and dissection and repair the origin of the nasalis muscle). Subgroup B (repair of the orbicularis oris muscle and dissection of both origin and abnormal insertion of the nasalis and repair of the origin). Evaluation was conducted both subjectively and objectively through cleft lip evaluation profile and nostril angles measurement.

Results

Group 2B patients showed significantly better shape and symmetry of nasal tip, size and symmetry of nostrils and size, form and lateral displacement of the ala. Objective evaluation showed that group 2B had the closest results to the non-cleft side, with statistically significant difference, when compared to other groups.

Conclusion

Dissection and repair of both origin and insertion of nasalis muscle produced a nasal width, columellar height, and nasal tip projection close to the normal population of the same age.



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