Burr-hole drainage with or without irrigation for chronic subdural haematoma (FINISH): a Finnish, nationwide, parallel-group, multicentre, randomised, controlled, non-inferiority trial.

Autor:	Raj R; Department of Neurosurgery, Helsinki University Hospital and University of Helsinki, Helsinki, Finland. Electronic address: rahul.raj@hus.fi., Tommiska P; Department of Neurosurgery, Helsinki University Hospital and University of Helsinki, Helsinki, Finland., Koivisto T; Department of Neurosurgery, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland., Leinonen V; Department of Neurosurgery, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland., Danner N; Department of Neurosurgery, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland., Posti JP; Department of Neurosurgery and Turku Brain Center, Turku University Hospital and University of Turku, Turku, Finland., Laukka D; Department of Neurosurgery and Turku Brain Center, Turku University Hospital and University of Turku, Turku, Finland., Luoto T; Department of Neurosurgery, Tampere University Hospital and Tampere University, Tampere, Finland., Rauhala M; Department of Neurosurgery, Tampere University Hospital and Tampere University, Tampere, Finland., Tetri S; Department of Neurosurgery, Oulu University Hospital, Neurocenter, Oulu, Finland; Research Unit of Clinical Neuroscience, MRC Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland., Korhonen TK; Department of Neurosurgery, Oulu University Hospital, Neurocenter, Oulu, Finland; Research Unit of Clinical Neuroscience, MRC Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland., Satopää J; Department of Neurosurgery, Helsinki University Hospital and University of Helsinki, Helsinki, Finland., Kivisaari R; Department of Neurosurgery, Helsinki University Hospital and University of Helsinki, Helsinki, Finland., Luostarinen T; Department of Anesthesiology and Intensive Care, Helsinki University Hospital and University of Helsinki, Helsinki, Finland., Schwartz C; Department of Neurosurgery, University Hospital Salzburg, Paracelsus Medical University, Salzburg, Austria., Czuba T; Department of Molecular and Clinical Medicine, University of Gothenburg, Gothenburg, Sweden., Taimela S; Department of Orthopaedics and Traumatology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland; Finnish Centre for Evidence-Based Orthopedics, University of Helsinki, Helsinki, Finland., Lönnrot K; Department of Neurosurgery, Helsinki University Hospital and University of Helsinki, Helsinki, Finland., Järvinen TLN; Department of Orthopaedics and Traumatology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland; Finnish Centre for Evidence-Based Orthopedics, University of Helsinki, Helsinki, Finland.
Jazyk:	angličtina
Zdroj:	Lancet (London, England) [Lancet] 2024 Jun 29; Vol. 403 (10446), pp. 2798-2806. Date of Electronic Publication: 2024 Jun 06.
DOI:	10.1016/S0140-6736(24)00686-X
Abstrakt:	Background: Chronic subdural haematoma is a common surgically treated intracranial emergency. Burr-hole drainage surgery, to evacuate chronic subdural haematoma, involves three elements: creation of a burr hole for access, irrigation of the subdural space, and insertion of a subdural drain. Although the subdural drain has been established as beneficial, the therapeutic effect of subdural irrigation has not been addressed. Methods: The FINISH trial was an investigator-initiated, pragmatic, multicentre, nationwide, randomised, controlled, parallel-group, non-inferiority trial in five neurosurgical units in Finland that enrolled adults aged 18 years or older with a chronic subdural haematoma requiring burr-hole drainage. Patients were randomly assigned (1:1) by computer-generated block randomisation with block sizes of four, six, or eight, stratified by site, to burr-hole drainage either with or without subdural irrigation. All patients and staff were masked to treatment assignment apart from the neurosurgeon and operating room staff. A burr hole was drilled at the site of maximum haematoma thickness in both groups, and the subdural space was either irrigated or not irrigated before inserting a subdural drain, which remained in place for 48 h. Reoperations, functional outcome, mortality, and adverse events were recorded for 6 months after surgery. The primary outcome was the reoperation rate within 6 months. The non-inferiority margin was set at 7·5%. Key secondary outcomes that were also required to conclude non-inferiority were the proportion of participants with unfavourable functional outcomes (ie, modified Rankin Scale score of 4-6, where 0 indicates no symptoms and 6 indicates death) and mortality rate at 6 months. The primary and key secondary analyses were done in both the intention-to-treat and per-protocol populations. The trial was registered with ClinicalTrials.gov (NCT04203550) and is completed. Findings: From Jan 1, 2020, to Aug 17, 2022, we assessed 1644 patients for eligibility and 589 (36%) patients were randomly assigned to a treatment group and treated (294 assigned to drainage with irrigation and 295 assigned to drainage without irrigation; 165 [28%] women and 424 [72%] men). The 6-month follow-up period extended until Feb 14, 2023. In the intention-to-treat analysis, 54 (18·3%) of 295 participants required reoperation in the group assigned to receive no irrigation versus 37 (12·6%) of 294 in the group assigned to receive irrigation (difference of 6·0 percentage points, 95% CI 0·2-11·7; p=0·30; adjusted for study site). There were no significant between-group differences in the proportion of people with modified Rankin Scale score of 4-6 (37 [13·1%] of 283 in the no-irrigation group vs 36 [12·6%] of 285 in the irrigation group; p=0·89) or mortality rate (18 [6·1%] of 295 in the no-irrigation group vs 21 [7·1%] of 294 in the irrigation group; p=0·58). The findings of the primary intention-to-treat analysis were not materially altered in the per-protocol analysis. There were no significant between-group differences in the number of adverse events, and the most frequent severe adverse events were systemic infections (26 [8·8%] of 295 participants who did not receive irrigation vs 22 [7·5%] of 294 participants who received irrigation), intracranial haemorrhage (13 [4·4%] vs seven [2·4%]), and epileptic seizures (five [1·7%] vs nine [3·1%]). Interpretation: We could not conclude non-inferiority of burr-hole drainage without irrigation. The reoperation rate was 6·0 percentage points higher after burr-hole drainage without subdural irrigation than with subdural irrigation. Considering that there were no differences in functional outcome or mortality between the groups, the trial favours the use of subdural irrigation. Funding: State Fund for University Level Health Research (Helsinki University Hospital), Finska Läkaresällskapet, Medicinska Understödsföreningen Liv och Hälsa, and Svenska Kulturfonden. Competing Interests: Declaration of interests We declare no competing interests. (Copyright © 2024 Elsevier Ltd. All rights reserved, including those for text and data mining, AI training, and similar technologies.)
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