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Feasibility, safety, and outcome of recanalization treatment in childhood stroke


Bigi, S; Dulcey, A; Gralla, J; Bernasconi, C; Melliger, A; Datta, A N; Arnold, M; Kaesmacher, J; Fluss, J; Hackenberg, A; Maier, O; Weber, J; Poloni, C; Fischer, U; Steinlin, M (2018). Feasibility, safety, and outcome of recanalization treatment in childhood stroke. Annals of Neurology, 83(6):1125-1132.

Abstract

OBJECTIVE: Intravenous thrombolysis and endovascular therapy (IVT/EVT) are evidence-based treatments for adults with arterial ischemic stroke (AIS). However, randomized controlled trials in pediatric patients are lacking. This study aimed to describe feasibility, safety, and outcome of IVT/EVT in children with AIS. METHODS: This retrospective study (01/2000-12/2015) included a multicenter, population-based consecutive cohort of patients aged 1 month to 16 years, diagnosed with AIS and presenting with pediatric National Institutes of Health Stroke Scale (pedNIHSS) ≥ 4. Clinical and radiological data of patients receiving IVT/EVT were compared to those receiving standard care (SC) using linear regression to adjust for potential confounders. EVT included intra-arterial thrombolysis and/or mechanical thrombectomy. Outcome was assessed 6 months after stroke using the pediatric stroke outcome measure (PSOM). RESULTS: Overall, 150 patients (age 7.1 ± 4.9 years, 55 [37%] females) presented with pedNIHSS ≥ 4. Recanalization treatment was performed in 16 (11%), of whom 5 (3%) were treated with IVT and 11 (7%) with EVT. Patients receiving recanalization treatment were older (mean age = 11.0 vs 6.9 years, p = 0.01) and more severely affected (median pedNIHSS = 13.5 vs 8.0, p < 0.001). Death and bleeding complications did not differ between the 2 groups. Median (interquartile range) PSOM 6 months after AIS was 2.5 (1-4.3) and 1 (0-2) in the IVT/EVT and SC groups, respectively (p = 0.014). However, after multiple linear regression analysis, only higher baseline pedNIHSS remained associated with an unfavorable outcome (p < 0.001).

Abstract

OBJECTIVE: Intravenous thrombolysis and endovascular therapy (IVT/EVT) are evidence-based treatments for adults with arterial ischemic stroke (AIS). However, randomized controlled trials in pediatric patients are lacking. This study aimed to describe feasibility, safety, and outcome of IVT/EVT in children with AIS. METHODS: This retrospective study (01/2000-12/2015) included a multicenter, population-based consecutive cohort of patients aged 1 month to 16 years, diagnosed with AIS and presenting with pediatric National Institutes of Health Stroke Scale (pedNIHSS) ≥ 4. Clinical and radiological data of patients receiving IVT/EVT were compared to those receiving standard care (SC) using linear regression to adjust for potential confounders. EVT included intra-arterial thrombolysis and/or mechanical thrombectomy. Outcome was assessed 6 months after stroke using the pediatric stroke outcome measure (PSOM). RESULTS: Overall, 150 patients (age 7.1 ± 4.9 years, 55 [37%] females) presented with pedNIHSS ≥ 4. Recanalization treatment was performed in 16 (11%), of whom 5 (3%) were treated with IVT and 11 (7%) with EVT. Patients receiving recanalization treatment were older (mean age = 11.0 vs 6.9 years, p = 0.01) and more severely affected (median pedNIHSS = 13.5 vs 8.0, p < 0.001). Death and bleeding complications did not differ between the 2 groups. Median (interquartile range) PSOM 6 months after AIS was 2.5 (1-4.3) and 1 (0-2) in the IVT/EVT and SC groups, respectively (p = 0.014). However, after multiple linear regression analysis, only higher baseline pedNIHSS remained associated with an unfavorable outcome (p < 0.001).

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Children's Hospital Zurich > Medical Clinic
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:June 2018
Deposited On:12 Feb 2019 13:32
Last Modified:17 Feb 2019 06:54
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:0364-5134
OA Status:Closed
Publisher DOI:https://doi.org/10.1002/ana.25242
PubMed ID:29679441

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