• Andrii Sirko, Connor Berlin, Siny Tsang, Bhiken I Naik, and Rocco Armonda.
• 1Department of Neurosurgery, Dnipropetrovsk Regional Clinical Hospital, Dnipro, Ukraine.
• J. Neurosurg. 2024 Oct 18: 1101-10.

ObjectiveSince February 2022, the number of casualties in the Russian-Ukrainian war have dramatically increased, with a high incidence of penetrating traumatic brain injuries (pTBIs). To date, there has been limited evaluation of pTBI of the anterior skull base involving the paranasal sinuses. The objective of this study was to highlight the authors' experience with this injury pattern and identify specific factors associated with favorable short-term (1-month) outcome and survival.MethodsThe authors conducted a single-institution retrospective review of patient data collected from the 1st year of the Russian-Ukrainian war at a frontline civilian Ukrainian hospital. To prevent complications from conservative treatment of pTBI with paranasal sinus injury, a protocol of early primary neurosurgical treatment including debridement/hematoma evacuation, repair of dural defects with vascularized pericranial flaps, and titanium plating of external/skull base defects was implemented. Using 1-month postoperative Glasgow Outcome Scale scores, the authors defined a favorable outcome as good recovery/moderate disability and a poor outcome as severe disability/vegetative state/death. Patient demographics, injury characteristics, imaging findings, and postoperative complications were assessed. Logistic regression models were used to estimate the effect of patient characteristics on unfavorable outcome or survival.ResultsFrom February 2022 to February 2023, there were 141 pTBIs (20%) involving the paranasal sinuses, 134 (95%) due to blast fragmentation. One hundred eighteen patients (84%) had a favorable outcome. Most patients with pTBIs (69%) had other nonbrain-related injuries. While 48 patients (34%) presented with preoperative CSF leak, only 1 patient (0.7%) had persistent postoperative CSF leak, which was managed with lumbar drainage. High admission Glasgow Coma Scale (GCS) score, favorable injury lateralization (single hemisphere involved), and low Injury Severity Score (ISS) were associated with significantly increased odds of favorable short-term outcome, whereas high admission GCS scores and no midline shift were associated with significantly increased odds of survival.ConclusionsThis was the largest single-year study on neurosurgical treatment of wartime pTBI involving the paranasal sinuses. Implementation of primary neurosurgical intervention at the time of presentation demonstrated promising early results and a shift away from expectant management of this injury pattern. The association of high admission GCS score, low ISS, favorable injury lateralization, and no midline shift on favorable short-term outcomes or survival has not been previously documented with this injury pattern.

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