ArticleOral and maxillofacial surgery2024
Anatomical research of the clavicular pedicled flap for mandibular reconstruction: vascularization and harvesting technique.
Article in Oral and maxillofacial surgery, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeMandibular reconstruction remains a challenging procedure despite the availability of various flaps and grafts. The ultimate objective is to restore oral functioning and attain acceptable morphological outcomes while considering donor site morbidity. This study describes the vascular supply and harvesting technique of a pedicled clavicular bone. The proximity of the clavicle is conducive to a mandibular replacement and allows the use of vascularized bone with a single surgical field.
methodsThe osteoperiosteal clavicular pedicled flap was harvested on the right side of ten fresh cadaver specimens. The cervical transverse artery was injected with colored latex in some cases and methylene blue in others.
resultsThe vascular periosteal supply of the clavicular flap was highlighted. The clavicular bone was linked to its pedicle which was composed of vascular and adipose-fascial tissues, without any overlying skin paddle. Its vasculature was supplied by a reverse flow from the ascending cervical artery. The pedicled clavicular bone readily reached the mandible in all dissections.
conclusionThe osteoperiosteal vasculature of the clavicular flap is based on the transverse cervical artery which receives a reverse blood supply from the ascending cervical artery. This vascular pattern is reliable because of the existence of the sub-occipital microvascular network named the "Bosniak node." This pedicled clavicular flap seems to be a robust perspective in both mandibular and facial bone reconstruction. We do not claim that it will replace the existing approaches, but it will expand the surgical panel of mandibular reconstruction. Its clinical realisation will judge its functionality.
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