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Journal of Neurology

Erschienen in:

28.05.2020 | Original Communication

Mechanical thrombectomy for ischaemic stroke in the anterior circulation: off-hours effect

Erschienen in: Journal of Neurology | Ausgabe 10/2020

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Abstract

Background

Patients treated at off-hours for acute conditions have increased mortality rates. This effect has been poorly evaluated in patients treated by mechanical thrombectomy (MT).

Objective

This study aimed at comparing outcomes between patients treated at off-hours and at working hours by MT for acute stroke due to large-vessel occlusion in the anterior circulation, in a well-organised network.

Method

We included consecutive adults who underwent MT for large-vessel occlusion in the anterior circulation over a 51-month period, in the network of 16 hospitals from the North-of-France area, sharing similar protocols. Patients underwent magnetic resonance imaging-scans at admission and then 22–36 h later. We compared 3-month outcomes of patients treated at off-hours and at working time, the primary outcome being a modified Rankin scale (mRS) 0 to 2.

Results

The study population consisted of 1,179 patients (631 women, 53.5%; mean age 72 years; median baseline National Institutes of Stroke Scale 17; 639 at off-hours, 54.2%; 734 treated with rt-PA, 62.3%; median delay stroke recognition to end of MT 281 min). No patient was lost to follow-up. The outcomes did not differ between the two groups: adjusted odds ratio (_adjOR) for mRS 0–2: 0.89; 95% confidence interval (CI) 0.67–1.18; _adjOR for mRS 0–1: 0.91; 95% CI 0.68–1.21; _adjOR for death 1.12; 95% CI 0.81–1.55).

Conclusion

Our study did not show worse outcomes in patients treated at off-hours. This result suggests that the off-hours effect reported in other studies can be minimized by a coordinated organisation of stroke care providing similar levels of care at off-hours.

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Titel: Mechanical thrombectomy for ischaemic stroke in the anterior circulation: off-hours effect
Publikationsdatum: 28.05.2020
Erschienen in: Journal of Neurology / Ausgabe 10/2020
Print ISSN: 0340-5354
Elektronische ISSN: 1432-1459
DOI: https://doi.org/10.1007/s00415-020-09946-6

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Mechanical thrombectomy for ischaemic stroke in the anterior circulation: off-hours effect

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Objective

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Results

Conclusion

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