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DOI: 10.1055/a-2555-2169
Risk Factors for Flap Loss in Midface Reconstruction with Vascularized Fibular Flap
Funding None.
Abstract
Background
Midface reconstruction should address both functional and cosmetic aspects. The vascularized fibular osteomyocutaneous flap (VFOF) is a promising first choice because of its numerous advantages in this type of reconstruction.
Methods
This study aimed to investigate the causes of VFOF failure during midface reconstruction. We retrospectively reviewed patients who underwent midface defect reconstruction using VFOF from August 2011 to May 2022 at a single center. The primary outcome variable was VFOF loss within 30 days, and secondary outcomes included late complications related to VFOF occurring at least 6 months postoperatively.
Results
A total of 62 patients underwent VFOF reconstruction for midface defects. The VFOF technique was primarily used in 56 (90.3%) patients for initial reconstruction. according to the Brown and Shaw classification, most reconstructions were performed for Class III (77.4%) and Class b (83.6%) defects. Skin paddles of the VFOF were used in 51 (82.3%) patients, and a double flap technique utilizing the fibular was employed in 24 (38.7%) patients. VFOF failure occurred in 10 (16.1%) patients. Prognostic factors associated with VFOF failure included sex (p = 0.01) and maxillary Brown and Shaw classification (horizontal; p = 0.01). Long-term follow-up of 47 patients revealed late complications in 11 (23.4%) patients, and diabetes mellitus was identified as a significant risk factor (p < 0.01).
Conclusion
The VFOF is suitable for midface defect reconstruction; however, proper placement of the fibular bone, avoiding pedicle vessel kinking, ensuring tension-free vascular anastomosis during surgery, considering the use of an additional flap in addition to the fibula flap for large defects, and diligent postoperative nasal care are essential.
Registry Information
Registry name: A retrospective study of early and late complications of fibula flap reconstruction after midface defects; registration identification number: UMIN000054486; and registry URL: https://center6.umin.ac.jp/cgi-bin/ctr/ctr_view_reg.cgi?recptno=R000062238.
Ethical Approval
This study was conducted in accordance with the Declaration of Helsinki and was approved by the independent ethics committee and institutional review board of our university (IRB number 35-251 [118800]). All authors have read and agreed to the submitted version of the manuscript.
Publication History
Received: 02 October 2024
Accepted: 19 February 2025
Accepted Manuscript online:
11 March 2025
Article published online:
27 March 2025
© 2025. Thieme. All rights reserved.
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