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Outcomes following surgery in subgroups of comatose and very elderly patients with chronic subdural hematoma

Christopher, Edward, Poon, Michael T. C., Glancz, Laurence J., Hutchinson, Peter J., Kolias, Angelos G., Brennan, Paul M., Gray, William P. and British Neurosurgical Trainee Research Collaborative (BNTRC), 2019. Outcomes following surgery in subgroups of comatose and very elderly patients with chronic subdural hematoma. Neurosurgical Review 42 (2) , pp. 427-431. 10.1007/s10143-018-0979-4

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Abstract

Increasing age and lower pre-operative Glasgow coma score (GCS) are associated with worse outcome after surgery for chronic subdural haematoma (CSDH). Only few studies have quantified outcomes specific to the very elderly or comatose patients. We aim to examine surgical outcomes in these patient groups. We analysed data from a prospective multicentre cohort study, assessing the risk of recurrence, death, and unfavourable functional outcome of very elderly (≥ 90 years) patients and comatose (pre-operative GCS ≤ 8) patients following surgical treatment of CSDH. Seven hundred eighty-five patients were included in the study. Thirty-two (4.1%) patients had pre-operative GCS ≤ 8 and 70 (8.9%) patients were aged ≥ 90 years. A higher proportion of comatose patients had an unfavourable functional outcome (38.7 vs 21.7%; p = 0.03), although similar proportion of comatose (64.5%) and non-comatose patients (61.8%) functionally improved after surgery (p = 0.96). Compared to patients aged < 90 years, a higher proportion of patients aged ≥ 90 years had unfavourable functional outcome (41.2 vs 20.5%; p < 0.01), although approximately half had functional improvement following surgery. Mortality risk was higher in both comatose (6.3 vs 1.9%; p = 0.05) and very elderly (8.8 vs 1.1%; p < 0.01) groups. There was a trend towards a higher recurrence risk in the comatose group (19.4 vs 9.5%; p = 0.07). Surgery can still provide considerable benefit to very elderly and comatose patients despite their higher risk of morbidity and mortality. Further research would be needed to better identify those most likely to benefit from surgery in these groups.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Biosciences
Additional Information: William Gray part of the British Neurosurgical Trainee Research Collaborative (BNTRC).
Publisher: Springer Verlag (Germany)
ISSN: 0344-5607
Date of First Compliant Deposit: 1 May 2018
Date of Acceptance: 9 April 2018
Last Modified: 04 Jun 2019 09:56
URI: http://orca-mwe.cf.ac.uk/id/eprint/111115

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