Factors affecting anastomosis failure in microvascular fibula flap reconstruction of the maxillofacial region: a systematic review and meta-analysis.

IF 0.9 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Journal of the Korean Association of Oral and Maxillofacial Surgeons Pub Date : 2025-02-28 DOI:10.5125/jkaoms.2025.51.1.3
Elahe Tahmasebi, Samira Hajisadeghi, Shervin Shafiei, Hamidreza Moslemi, Reza Tabrizi, Mohammad Hosein Kalantar Motamedi
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Abstract

This systematic review and meta-analysis evaluates the contributory factors and failure rates in anastomosis during microvascular fibula flap reconstruction in maxillomandibular regions. A comprehensive search strategy was employed across databases including MEDLINE, Web of Science, EMBASE, Scopus, Cochrane's CENTRAL, as well as grey literature sources, and manual searches of noteworthy journals, covering studies from inception up to April 2023. The inclusion criteria targeted retrospective or prospective cohort and clinical studies that investigated functional and dental rehabilitation outcomes in human subjects undergoing maxillofacial reconstruction using microvascular fibula flaps. Exclusion criteria encompassed case-control studies, alternative reconstruction method research, and animal-based investigations. The study's findings revealed a cumulative vascular failure rate of 6%. Subsequent analysis delineated the primary causes of this failure, attributing 3% to venous thrombosis, 1% to arterial thrombosis, and less than 1% to blood vessel compression due to hematoma. However, notable heterogeneity across the studies indicates substantial variability in vascular failure rates reported. These results of our review and meta-analysis underscore the intricate factors impacting anastomosis success, such as anastomosis technique, recipient vessel quality, the choice between couplers.

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期刊介绍: Journal of the Korean Association of Oral and Maxillofacial Surgeons (J Korean Assoc Oral Maxillofac Surg) is the official journal of the Korean Association of Oral and Maxillofacial Surgeons. This bimonthly journal offers high-quality original articles, case series study, case reports, collective or current reviews, technical notes, brief communications or correspondences, and others related to regenerative medicine, dentoalveolar surgery, dental implant surgery, head and neck cancer, aesthetic facial surgery/orthognathic surgery, facial injuries, temporomandibular joint disorders, orofacial disease, and oral pathology. J Korean Assoc Oral Maxillofac Surg is of interest to oral and maxillofacial surgeons and dental practitioners as well as others who are interested in these fields.
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