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Association between cranial surgery and mortality among patients with firearm-related traumatic brain injury
Kathleen R Ran1, Jiaqi Liu2, Vikas N Vattipally1
11Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland.
Insights
Cranial surgery significantly reduces in-hospital mortality for patients with penetrating traumatic brain injury (pTBI) and subdural hematoma (SDH). This survival benefit is more pronounced in patients with significant midline shift, indicating surgery
Area of Science:
- Neurosurgery
- Trauma Surgery
- Neurocritical Care
Background:
- Firearm-related penetrating traumatic brain injury (pTBI) presents heterogeneous injury patterns.
- Subdural hematoma (SDH) is a common consequence of pTBI.
- Tailored analysis of homogeneous pTBI cohorts is crucial for refining surgical management guidelines.
Purpose of the Study:
- To evaluate the association between cranial surgery and survival in patients with pTBI and SDH.
- To determine if cranial surgery impacts in-hospital mortality in this specific patient population.
Main Methods:
- Retrospective analysis of the American College of Surgeons Trauma Quality Program dataset (2017-2019).
- Inclusion of patients with firearm-related pTBI and resultant SDH.
- Hierarchical regression models to assess the association between cranial surgery and in-hospital mortality, with subgroup analysis for significant midline shift (> 5 mm).
Main Results:
- Cranial surgery was independently associated with a significant reduction in in-hospital mortality (OR 0.49).
- This protective effect persisted after risk adjustment for injury characteristics and interventions like ICP monitoring.
- In patients with SDH and midline shift > 5 mm, cranial surgery showed an even greater survival benefit (OR 0.40).
Conclusions:
- Cranial surgery is independently linked to lower in-hospital mortality in firearm-related pTBI with SDH.
- The survival benefit of cranial surgery is amplified in cases with significant midline shift.
- Further research is warranted to explore long-term functional outcomes following surgical intervention.
Objective:
Firearm-related penetrating traumatic brain injury (pTBI) is highly morbid and causes heterogeneous intracranial injury patterns. As guidelines and practices evolve, tailored analysis of more homogeneous pTBI cohorts is needed to inform surgical management. Therefore, the aim of this study was to test the association between cranial surgery and survival among patients with pTBI resulting in subdural hematoma (SDH).
Methods:
Patients with firearm-related pTBI and resultant SDH were retrospectively identified using the American College of Surgeons Trauma Quality Program dataset (2017-2019). The study exposure of interest was cranial surgery, and the primary outcome was in-hospital mortality. Adjusted hierarchical regression models were specified to test the association between cranial surgery and in-hospital mortality. To further increase the homogeneity of the presenting injury pattern, a subgroup analysis was performed in patients with SDH and midline shift (MLS) > 5 mm.
Results:
A total of 1894 patients (84% male; median age 31 years) with firearm-related pTBI and SDH were included. The hierarchical logistic regression analysis demonstrated that cranial surgery was independently associated with lower odds of in-hospital mortality (OR 0.49, 95% CI 0.34-0.71; p < 0.001), even after risk adjustment for injury characteristics and placement of an external ventricular drain or intracranial pressure monitor. In a subgroup of 535 patients who presented with SDH and MLS > 5 mm, cranial surgery had a greater protective effect against in-hospital mortality (OR 0.40, 95% CI 0.24-0.67; p < 0.001).
Conclusions:
Cranial surgery was independently associated with lower in-hospital mortality among patients with firearm-related pTBI and SDH, and its protective effect was greater among patients with significant MLS. Further investigations of long-term functional outcomes are needed.
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