Serum Calcium Channel Subunit Α2δ-1 Concentrations and Outcomes in Patients with Acute Spontaneous Intracerebral Hemorrhage.
Clinica chimica acta(2022)
Abstract
Background: Voltage-gated calcium channel subunit alpha 28-1 plays an important role in acute brain injury. We attempted to investigate whether serum alpha 28-1 subunit concentrations are correlated with severity and prognosis following intracerebral hemorrhage (ICH).Methods: Serum alpha 28-1 subunit concentrations were quantified in 103 ICH patients and 103 healthy controls. National Institutes of Health Stroke Scale (NIHSS) score and hematoma volume were estimated for assessing illness severity. Modified Rankin scale score of 3-6 at 90 days after stroke onset was defined as a worse outcome.Results: Serum alpha 28-1 subunit concentrations were markedly higher in patients than in controls (median, 875.1 vs. 209.3 pg/ml). Serum alpha 28-1 subunit concentrations of patients were tightly correlated with NIHSS score (r = 0.589) and hematoma volume (r = 0.594). Serum alpha 28-1 subunit concentrations & GE; 875.1 pg/ml independently discriminated development of 90-day poor outcome with odds ratio of 5.228 (95% CI, 2.201-12.418) and area under the receiver operating characteristic curve of 0.794 (95% CI, 0.703-0.867). Serum alpha 28-1 subunit concentrations > 973.4 pg/ml predicted 90-day poor outcome with 64.0% sensitivity and 90.6% specificity. The prognostic predictive ability of serum alpha 28-1 concentrations was equivalent to those of NIHSS score and hematoma volume (both P > 0.05), and serum alpha 28-1 concentrations also significantly improved the prognostic predictive capabilities of NIHSS score and hematoma volume (both P < 0.05).Conclusions: Serum alpha 28-1 subunit concentrations are intimately correlated with illness severity and are independently associated with poor 90-day outcome, substantializing serum alpha 28-1 subunit as a potential prognostic biomarker for ICH.
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Key words
Intracerebral hemorrhage,Outcome,Severity,Voltage-gated calcium channel,alpha 28-1 subunit,Biomarker
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