• Tyler Scullen, Joshua Hanna, Christopher Carr, Mansour Mathkour, Rizwan Aslam, Peter Amenta, and Robert F Dallapiazza.
• Department of Neurological Surgery, Tulane University, New Orleans, Louisiana, USA; Department of Neurological Surgery, Ochsner Medical Center, Jefferson, Louisiana, USA.
• World Neurosurg. 2019 Oct 1; 130: 24-29.

BackgroundIntracranial extension of frontal or ethmoid sinusitis carries a high morbidity and mortality if not treated aggressively. With the emergence of endoscopic sinus surgery (ESS), we questioned whether these approaches have supplanted traditional transcranial procedures for intracranial extension of sinus disease, and whether ESS approaches had a difference in patient outcomes.MethodsStudies reporting surgical management and outcomes of frontal sinus disease with intracranial extension were queried using the United States National Library of Medicine at the National Institutes of Health PubMed database. We also queried common internet search engines. We included studies regarding sinogenic intracranial suppurative infections treated surgically with ESS and neurosurgical approaches. Studies with insufficient data regarding specific treatment methods and studies that included populations of medically treated infections were excluded.ResultsA total of 108 cases were identified in which patients with intracranial sinogenic disease were treated via ESS alone (morbidity: 43.5%, mortality: 0.9%), 47 cases via transcranial intervention alone (morbidity: 33.2%, mortality: 7.8%), and 43 cases via simultaneous neurosurgical and ESS approaches (morbidity: 16.3%, mortality: 6.4%). Complex sinus disease with posterior table compromise in the absence of intracranial extension treated via ESS alone was reported in 164 cases with a morbidity and mortality of 3.8% and 0%, respectively.ConclusionsCombined ESS and transcranial approaches achieve definitive control of sinogenic and intracranial disease, whereas either modality alone carries a potential risk for higher morbidity and mortality. The use of ESS alone may have use in the treatment of sinusitis with posterior table erosion prior to intracranial extension.Copyright © 2019 Elsevier Inc. All rights reserved.

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