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Almqvist T, Falk Delgado A, Sjöstrand C, Ahmed N, Berglund A, Eriksson E, Mazya MV. Impact of prehospital stroke triage implementation on patients with intracerebral hemorrhage. Ther Adv Neurol Disord 2023; 16:17562864231168278. [PMID: 37187462 PMCID: PMC10176564 DOI: 10.1177/17562864231168278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 03/18/2023] [Indexed: 05/17/2023] Open
Abstract
Background Little is known about how prehospital triage using large vessel occlusion (LVO) stroke prediction scales affects patients with intracerebral hemorrhage (ICH). Objectives We aimed to investigate whether the Stockholm Stroke Triage System (SSTS) implemented in 2017 has affected timing and outcomes of acute ICH neurosurgery, and to assess system triage accuracy for ICH with a neurosurgical indication or LVO thrombectomy. Design Observational cohort study. Methods In the Stockholm Region, we compared surgical timing, functional outcome, and death at 3 months in patients transported by code-stroke ground ambulance who had ICH neurosurgery, 2 years before versus 2 years after SSTS implementation. We also calculated triage precision metrics for treatment with either ICH neurosurgery or thrombectomy. Results A total of 36 patients undergoing ICH neurosurgery were included before SSTS implementation and 30 after. No significant difference was found in timing of neurosurgery [median 7.5 (4.9-20.7) versus 9.1 (6.1-12.5) h after onset], distribution of functional outcomes (median 4 versus 4), and death at 3 months [3/29 (9%) versus 5/35 (17%)] before versus after implementation, respectively. The SSTS routed a larger proportion of patients subsequently undergoing ICH neurosurgery directly to the comprehensive stroke center: 13/36 (36%) before versus 18/30 (60%) after implementation. Overall system triage accuracy for ICH neurosurgery or thrombectomy was high at 90%, with 92% specificity and 65% sensitivity. Conclusion The SSTS, initially designed for prehospital LVO stroke triage, routed more patients with neurosurgical indication for ICH directly to the comprehensive stroke center. This did not significantly affect surgical timing or outcomes.
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Affiliation(s)
- Tove Almqvist
- Department of Clinical Neuroscience, Karolinska
Institutet, Karolinska University Hospital, 171 64 Stockholm, Sweden
- Department of Neurology, Karolinska University
Hospital, Stockholm, Sweden
- Department of Neurology, Danderyd Hospital,
Stockholm, Sweden
| | - Anna Falk Delgado
- Department of Clinical Neuroscience, Karolinska
Institutet, Karolinska University Hospital, Stockholm, Sweden
- Department of Neuroradiology, Karolinska
University Hospital, University Hospital
| | - Christina Sjöstrand
- Department of Clinical Neuroscience, Karolinska
Institutet, Karolinska University Hospital, Stockholm, Sweden
- Department of Neurology, Karolinska University
Hospital, Stockholm, Sweden
- Department of Neurology, Danderyd Hospital,
Stockholm, Sweden
| | - Niaz Ahmed
- Department of Clinical Neuroscience, Karolinska
Institutet, Karolinska University Hospital, Stockholm, Sweden
- Department of Neurology, Karolinska University
Hospital, Stockholm, Sweden
| | - Annika Berglund
- Department of Clinical Neuroscience,
Karolinska Institutet, Karolinska University Hospital, Stockholm,
Sweden
- Department of Neurology, Karolinska University
Hospital, Stockholm, Sweden
| | - Einar Eriksson
- Department of Clinical Neuroscience,
Karolinska Institutet, Karolinska University Hospital, Stockholm,
Sweden
- Department of Neurology, Karolinska University
Hospital, Stockholm, Sweden
| | - Michael V. Mazya
- Department of Clinical Neuroscience,
Karolinska Institutet, Karolinska University Hospital, Stockholm,
Sweden
- Department of Neurology, Karolinska University
Hospital, Stockholm, Sweden
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Faigle R, Gottesman R. Author Response: Novel Score for Stratifying Risk of Critical Care Needs in Patients With Intracerebral Hemorrhage. Neurology 2021. [DOI: 10.1212/wnl.0000000000012680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Patel NM, Tran QK, Badjatia N, Morris NA. Reader Response: Novel Score for Stratifying Risk of Critical Care Needs in Patients With Intracerebral Hemorrhage. Neurology 2021. [DOI: 10.1212/wnl.0000000000012679] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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