Abstract
As a result of the demographic shift in western societies, the mean age at presentation of patients suffering from chronic subdural hematomas (cSDH) is increasing. Therapeutic strategies, surgical and non-surgical, need to be reevaluated and adapted accordingly. Age is considered to be a positive risk factor for a higher perioperative morbidity and mortality. The purpose of this study is to determine if old age (≥85 years) should be seen as a contraindication for surgical treatment. Two groups (56 patients each) with cSDH over and below 85 years of age from a single neurosurgical department with well-defined surgical treatment guidelines were retrospectively analyzed. Clinical characteristics of the patients, localization, treatment, prior medication, and complications were compared. Outcome was measured by clinical improvement postoperatively and by the Glasgow Outcome Scale (GOS) at 1 month after surgery. Age ≥85 years was associated with higher GOS 1 month after surgery (p = 0.038). 51.8% (58) of all patients had a complete neurological recovery postoperatively, and 74% (43) of these patients were ≥85 years. Elderly patients suffered from a significantly higher complication rate (p < 0.001) with odds of having a complication 18.3 times higher (p < 0.001) compared to patients <85 years. Both groups had a comparable mean hospitalization time (9.8 days for patients ≥85 years and 9.5 days for patients <85 years). Old age has no negative impact on overall outcome after surgical therapy of cSDH. Despite significantly higher complication rate in elderly patients, the outcome assessed by the GOS at 1 month after surgery was significantly better in comparison to patients younger than 85 years. Old age does therefore not seem to be a contraindication for surgical treatment of cSDH.
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We would like to thank Dr. Jorge Matute for his statistical expertise and guidance.
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The present study was approved by the institutional research ethics board (Medical Faculty, Heinrich Heine University, Nr. 5073/5.6.2015).
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Munoz-Bendix, C., Pannewitz, R., Remmel, D. et al. Outcome following surgical treatment of chronic subdural hematoma in the oldest-old population. Neurosurg Rev 40, 461–468 (2017). https://doi.org/10.1007/s10143-016-0803-y
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DOI: https://doi.org/10.1007/s10143-016-0803-y