Publication: Novel CT‑based parameters assessing relative cross‑sectional area to guide surgical management and predict clinical outcomes in patients with acute subdural hematoma
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Date
2023
Authors
García Pérez, Daniel ; Castaño León, Ana María ; Moreno Gómez, Luis Miguel ; Esteban Sinovas, Olga ; García Posadas, Guillermo ; Paredes, Igor ; Gómez López, Pedro A. ; Lagares, Alfonso ; Panero Pérez, Irene
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Publisher
Springer
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DOI
https://doi.org/10.1007/s00234-022-03087-5
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info:eu-repo/semantics/article
Description
Abstract
Introduction
Acute subdural hematoma (aSDH) is one of the most devastating entities secondary to traumatic brain injury (TBI). Even though radiological computed tomography (CT) findings, such as hematoma thickness (HT), midline shift (MLS), and MLS/HT ratio, have an important prognostic role, they suffer from important drawbacks. We hypothesized that relative cross-sectional area (rCSA) of specific brain regions would provide valuable information about brain compression and swelling, thus being a key determining factor governing the clinical course.
Methods
We performed an 8-year retrospective analysis of patients with moderate to severe TBI with surgically evacuated, isolated, unilateral aSDH. We investigated the influence of aSDH rCSA and ipsilateral hemisphere rCSA along the supratentorial region on the subsequent operative technique employed for aSDH evacuation and patient’s clinical outcomes (early death and Glasgow Outcome Scale [GOS] at discharge and after 1-year follow-up). Different conventional radiological variables were also assessed.
Results
The study included 39 patients. Lower HT, MLS, hematoma volume, and aSDH rCSA showed a significant association with decompressive craniectomy (DC) procedure. Conversely, higher ipsilateral hemisphere rCSA along the dorso-ventral axis and, specifically, ipsilateral hemisphere rCSA at the high convexity level were predictors for DC. CT segmentation analysis exhibited a modest relationship with early death, which was limited to the basal supratentorial subregion, but could not predict long-term outcome.
Conclusion
rCSA is an objectifiable and reliable radiologic parameter available on admission CT that might provide valuable information to optimize surgical treatment.
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Citation
Neuroradiology 65, 489–501 (2023)
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