• Liming Qiu, Qi SeeAngela AnAA1Department of Neurosurgery, National Neuroscience Institute, Singapore.2Department of Neurosurgery, Singapore General Hospital, Singapore., Terry W J Steele, and Kam KingNicolas KonNK1Department of Neurosurgery, National Neuroscience Institute, Singapore.2Department of Neurosurgery, Singapore General Hospital, Singapore.4Duke-NUS Medical School, Singapore..
• 1Department of Neurosurgery, National Neuroscience Institute, Singapore.
• J. Neurosurg. 2020 Dec 1; 133 (6): 192819381928-1938.

ObjectiveNeurosurgery presents unique surgical challenges arising from delicate neural structures, limited accessibility, and the risk of CSF leakage that can lead to CNS infections. Sutures and staples may have limited applicability in the complex anatomical constraints of cranial and spinal surgeries, especially in trauma settings when time is of the essence. Surgical bioadhesives are emerging as attractive alternatives because they avoid traumatic application methods, provide a stress-distributed fixation, and provide good cosmesis and outcomes. This article presents the history of the development of surgical bioadhesives, and is also a review of current applications of commercial surgical bioadhesives within neurosurgical procedures and the unmet clinical needs that should be addressed in bioadhesives technologies.MethodsA PubMed literature search was performed using the terms "(glue OR bioadhesive OR fibrin OR tisseel OR evicel OR tachosil OR cyanoacrylate OR duraseal OR bioglue) AND (neurosurgery OR spine OR spinal OR dural OR microvascular decompression OR transsphenoidal OR endovascular)." Of 2433 records screened, 168 studies were identified that described the use of bioadhesives in neurosurgical procedures.ResultsThe greatest number of studies describing the use of bioadhesives in neurosurgery were identified for endovascular embolization, followed by dural closure and transsphenoidal surgeries. Other common areas of application were for microvascular decompression, skin closure, peripheral nerve repair, and other novel uses. Numerous case reports were also identified describing complications associated with bioadhesive use.ConclusionsDespite the paucity of approved indications, surgical bioadhesive use in neurosurgical procedures is prevalent. However, current bioadhesives still each have their own limitations and research is intense in the development of novel solutions.

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