ArticleFrontiers in neurology
Impact of onset timing and operative duration on outcomes in chronic subdural hematoma: an exploratory retrospective study.
Article in Frontiers in neurology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: To investigate how onset timing and operative duration influence recurrence, efficacy, and postoperative recovery in patients with chronic subdural hematoma (CSDH). Methods: We conducted a retrospective analysis of 122 CSDH patients who underwent surgical treatment at the Department of Neurological Surgery, First People's Hospital of Chuzhou City (Affiliated to Anhui Medical University) between January 2016 and October 2024. We collected data on demographics, clinical characteristics, surgical details, and outcome measures including Glasgow Coma Scale (GCS), modified Rankin Scale (mRS), Karnofsky Performance Status (KPS), and Eastern Cooperative Oncology Group (ECOG). Given the exploratory nature of this study and sample size constraints, we employed univariate analyses (independent t-tests, Mann-Whitney U tests, and chi-square tests) to compare outcomes between groups based on onset timing and operative duration, with Spearman correlation analysis used to examine relationships between these factors and prognostic indicators. Results: Patients with operative duration >60 min ( Conclusion: In this exploratory analysis, operative duration >60 min was associated with better postoperative GCS and KPS scores in group comparisons, and weak but significant correlations were observed between operative duration and all four functional scales. These associations are likely confounded by baseline differences in patient status and surgical technique. Symptom-to-surgery interval and statin use did not significantly influence short-term prognosis. Larger prospective studies with multivariate adjustment are needed to confirm these preliminary findings.
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