Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences · 2024
Radiographic predictors of neurologic outcomes in patients with basilar artery occlusion: A single-center experience.
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Goldman Daryl, Al-Kawaz Mais, Reddi Preethi, Mehta Amol, Belani Puneet, Shafizadeh Milad, Matsoukas Stavrous, Kellner Christopher P, Mocco J, Fifi Johanna T, Majidi Shahram
Аннотация
BACKGROUND: Randomized controlled trials indicate functional and mortality benefits in endovascular therapy for basilar artery occlusion (BAO). However, these studies only include patients who meet specific prognostic scores. This study investigates radiographic predictors of posterior circulation territory infarcts that may predict neurologic outcome at 90-day post-intervention.
METHODS: This is a retrospective cohort study of a prospectively maintained thrombectomy database of all patients who underwent mechanical thrombectomy for BAO. Baseline demographics, comorbidities, baseline functional status (mRS), and severity of presenting neurologic deficits (NIHSS) were collected. Pc-ASPECTS, posterior circulation collateral score (PCCS), and basilar artery on computed tomography angiography (BATMAN) measured radiographic characteristics. Core infarct territory was identified. Primary outcomes were good neurologic outcome (mRS 0-3) and poor neurologic outcome (mRS 4-6) at 90-day post-thrombectomy. 90-day mortality was a secondary outcome.
RESULTS: About 21.5% of patients achieved a good neurologic outcome. About 32.3% of patients were deceased at 90 days. Receiver operating characteristic analysis shows PCCS collateral scores (AUC = 0.74, SE = 0.03, CI = 0.62-0.74) and BATMAN (AUC = 0.72, SE = 0.04, CI = 0.35-0.49) have potential to differentiate between those with good neurologic outcome from those with poor neurologic outcome. Although there was no statistically significant difference in AUC between the three curves, pc-ASPECTS score trended toward being weaker predictor of neurologic outcome (AUC = 0.49, SE = 0.04, CI = 0.35-0.49). There were significant associations between 90-day poor neurologic outcome and established infarcts within the pons (p = 0.01), left cerebellum (p = 0.01), and left occipital lobe (p = 0.03) on pre-thrombectomy CT.
CONCLUSION: Low BATMAN and PCCS collateral scores can be predictors of poor neurologic outcomes at 90-day post-thrombectomy for BAO while pc-ASPECTS score may be a weaker predictor of outcome.
METHODS: This is a retrospective cohort study of a prospectively maintained thrombectomy database of all patients who underwent mechanical thrombectomy for BAO. Baseline demographics, comorbidities, baseline functional status (mRS), and severity of presenting neurologic deficits (NIHSS) were collected. Pc-ASPECTS, posterior circulation collateral score (PCCS), and basilar artery on computed tomography angiography (BATMAN) measured radiographic characteristics. Core infarct territory was identified. Primary outcomes were good neurologic outcome (mRS 0-3) and poor neurologic outcome (mRS 4-6) at 90-day post-thrombectomy. 90-day mortality was a secondary outcome.
RESULTS: About 21.5% of patients achieved a good neurologic outcome. About 32.3% of patients were deceased at 90 days. Receiver operating characteristic analysis shows PCCS collateral scores (AUC = 0.74, SE = 0.03, CI = 0.62-0.74) and BATMAN (AUC = 0.72, SE = 0.04, CI = 0.35-0.49) have potential to differentiate between those with good neurologic outcome from those with poor neurologic outcome. Although there was no statistically significant difference in AUC between the three curves, pc-ASPECTS score trended toward being weaker predictor of neurologic outcome (AUC = 0.49, SE = 0.04, CI = 0.35-0.49). There were significant associations between 90-day poor neurologic outcome and established infarcts within the pons (p = 0.01), left cerebellum (p = 0.01), and left occipital lobe (p = 0.03) on pre-thrombectomy CT.
CONCLUSION: Low BATMAN and PCCS collateral scores can be predictors of poor neurologic outcomes at 90-day post-thrombectomy for BAO while pc-ASPECTS score may be a weaker predictor of outcome.