Chimeric vastus lateralis and antero-lateral thigh flap for restoring facial defects and dynamic function post radical parotidectomy

Shaheen Hasmat, Tsu-Hui Low, Aparna Krishnan, Susan Coulson, Sydney Ch'ng, Bruce G. Ashford, Glen Croxson, Jonathan R. Clark

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Background: Extirpation of malignant tumors of the parotid results in creation of a complex facial defect often in combination with facial nerve palsy. This study presents the authors’ experience using vastus lateralis muscle as a chimeric flap with anterolateral thigh flap to allow both soft-tissue reconstruction and dynamic reanimation in radical parotidectomy.

Methods: A retrospective review of the medical records of cancer patients who had undergone radical parotidectomy and reconstruction using a chimeric vastus lateralis and anterolateral thigh flap between March of 2013 and May of 2017 was performed using the Sydney Head and Neck Cancer Institute database. The return of dynamic midface movement was the primary outcome investigated. Electronic, clinician-graded facial function scale grades were used to formally assess postoperative outcomes.

Results: A total of 27 patients were included in the study with an average age of 72 years (range, 31 to 88 years). Thirteen patients (48 percent) had developed dynamic function by the end of the study period. Young age predicted a more rapid return to dynamic function (p = 0.018). Both being a woman and having an intact facial nerve before surgery improved dynamic midface movement (p = 0.005 and p = 0.036, respectively). On multivariable analysis, superior midface dynamic function was associated with neurotization using midface facial nerve branches as opposed to using nerve-to-masseter alone (p = 0.05).

Conclusion: The chimeric vastus lateralis and anterolateral thigh flap is a suitable option for restoring defects and dynamic function following radical parotidectomy.
Original languageEnglish
Pages (from-to)853e-863e
Number of pages11
JournalPlastic and Reconstructive Surgery
Volume144
Issue number5
DOIs
Publication statusPublished - Nov 2019
Externally publishedYes

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