The Laryngoscope · 2018
Comparison of Modern Rigid Fixation Plating Outcomes for Segmental Mandibular Microvascular Reconstruction.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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McCann Adam C, Shnayder Yelizaveta, Przylecki Wojciech H, Kakarala Kiran, Nazir Niaman, Girod Douglas A, Andrews Brian T
Аннотация
OBJECTIVES/HYPOTHESIS: New advances in osseous microvascular mandibular rigid fixation are being employed at many institutions. These include standardized prebent/preformed reconstruction plates as well as computer-aided design/computer-aided manufacturing (CAD/CAM) custom plates that are patient specific. Our goal was to assess and compare the outcomes of both of these new technologies when utilized for mandibular microvascular reconstruction.
STUDY DESIGN: Retrospective chart review.
METHODS: Subjects were categorized into two groups according to their mandibular rigid fixation technique: group 1 = prebent/preformed plates and group 2 = CAD/CAM custom plates. Primary outcome measures were 1) perioperative complications (defined as deep tissue infection, wound dehiscence resulting in bone exposure, and/or plate exposure) and 2) reoperation rates for mandibular hardware failure/explantation. Statistical analysis consisted of χ2 , Fisher exact test, and multivariable regression models.
RESULTS: A total of 142 subjects underwent microvascular mandibular reconstruction in a 6-year period. Eighty-nine subjects utilized prebent/preformed plates, and 53 employed CAD/CAM custom plates. Perioperative complications occurred in 32 of 89 (35.9%) subjects with prebent/preformed plates and 11 of 53 (20.7%) subjects using CAD/CAM custom plates. Reoperation requiring hardware explantation occurred in 18 of 89 (20.2%) subjects and three of 53 (5.6%) using CAD/CAM custom plates. Statistical comparison of perioperative complications between the two groups approached significance (P = .0556), and the rate of reoperation was significant favoring CAD/CAM implants (P = .0180).
CONCLUSIONS: In our experience, CAD/CAM custom plates utilized for rigid fixation during microvascular mandibular reconstruction demonstrated fewer complications and statistically lower reoperation rates when compared with prebent/preformed plates.
LEVEL OF EVIDENCE: 2c Laryngoscope, 129:1081-1086, 2019.
STUDY DESIGN: Retrospective chart review.
METHODS: Subjects were categorized into two groups according to their mandibular rigid fixation technique: group 1 = prebent/preformed plates and group 2 = CAD/CAM custom plates. Primary outcome measures were 1) perioperative complications (defined as deep tissue infection, wound dehiscence resulting in bone exposure, and/or plate exposure) and 2) reoperation rates for mandibular hardware failure/explantation. Statistical analysis consisted of χ2 , Fisher exact test, and multivariable regression models.
RESULTS: A total of 142 subjects underwent microvascular mandibular reconstruction in a 6-year period. Eighty-nine subjects utilized prebent/preformed plates, and 53 employed CAD/CAM custom plates. Perioperative complications occurred in 32 of 89 (35.9%) subjects with prebent/preformed plates and 11 of 53 (20.7%) subjects using CAD/CAM custom plates. Reoperation requiring hardware explantation occurred in 18 of 89 (20.2%) subjects and three of 53 (5.6%) using CAD/CAM custom plates. Statistical comparison of perioperative complications between the two groups approached significance (P = .0556), and the rate of reoperation was significant favoring CAD/CAM implants (P = .0180).
CONCLUSIONS: In our experience, CAD/CAM custom plates utilized for rigid fixation during microvascular mandibular reconstruction demonstrated fewer complications and statistically lower reoperation rates when compared with prebent/preformed plates.
LEVEL OF EVIDENCE: 2c Laryngoscope, 129:1081-1086, 2019.