Pyne, Sarah; Barton, Garry; Turner, David; Mee, Harry; Gregson, Barbara A; Kolias, Angelos G; Turner, Carole; ... Hutchinson, Peter John; + view all Pyne, Sarah; Barton, Garry; Turner, David; Mee, Harry; Gregson, Barbara A; Kolias, Angelos G; Turner, Carole; Adams, Hadie; Mohan, Midhun; Uff, Christopher; Hasan, Shumaila; Wilson, Mark; Bulters, Diederik Oliver; Zolnourian, Ardalan; McMahon, Catherine; Stovell, Matthew G; Al-Tamimi, Yahia; Thomson, Simon; Viaroli, Edoardo; Belli, Antonio; King, Andrew; Helmy, Adel E; Timofeev, Ivan; Menon, David; Hutchinson, Peter John; - view fewer (2024) Cost-effectiveness of craniotomy versus decompressive craniectomy for UK patients with traumatic acute subdural haematoma. BMJ Open , 14 (6) , Article e085084. 10.1136/bmjopen-2024-085084.

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Abstract

Objective: To estimate the cost-effectiveness of craniotomy, compared with decompressive craniectomy (DC) in UK patients undergoing evacuation of acute subdural haematoma (ASDH). // Design: Economic evaluation undertaken using health resource use and outcome data from the 12-month multicentre, pragmatic, parallel-group, randomised, Randomised Evaluation of Surgery with Craniectomy for Patients Undergoing Evacuation-ASDH trial. // Setting: UK secondary care. // Participants: 248 UK patients undergoing surgery for traumatic ASDH were randomised to craniotomy (N=126) or DC (N=122). // Interventions: Surgical evacuation via craniotomy (bone flap replaced) or DC (bone flap left out with a view to replace later: cranioplasty surgery). // Main outcome measures: In the base-case analysis, costs were estimated from a National Health Service and Personal Social Services perspective. Outcomes were assessed via the quality-adjusted life-years (QALY) derived from the EuroQoL 5-Dimension 5-Level questionnaire (cost-utility analysis) and the Extended Glasgow Outcome Scale (GOSE) (cost-effectiveness analysis). Multiple imputation and regression analyses were conducted to estimate the mean incremental cost and effect of craniotomy compared with DC. The most cost-effective option was selected, irrespective of the level of statistical significance as is argued by economists. // Results: In the cost-utility analysis, the mean incremental cost of craniotomy compared with DC was estimated to be −£5520 (95% CI −£18 060 to £7020) with a mean QALY gain of 0.093 (95% CI 0.029 to 0.156). In the cost-effectiveness analysis, the mean incremental cost was estimated to be −£4536 (95% CI −£17 374 to £8301) with an OR of 1.682 (95% CI 0.995 to 2.842) for a favourable outcome on the GOSE. // Conclusions: In a UK population with traumatic ASDH, craniotomy was estimated to be cost-effective compared with DC: craniotomy was estimated to have a lower mean cost, higher mean QALY gain and higher probability of a more favourable outcome on the GOSE (though not all estimated differences between the two approaches were statistically significant). // Ethics: Ethical approval for the trial was obtained from the North West—Haydock Research Ethics Committee in the UK on 17 July 2014 (14/NW/1076). // Trial registration number: ISRCTN87370545.

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