Sandra Bigi1, Andrea Dulcey1, Jan Gralla2, Corrado Bernasconi3, Amber Melliger1, Alexandre N Datta4, Marcel Arnold3, Johannes Kaesmacher3, Joel Fluss5, Annette Hackenberg6, Oliver Maier7, Johannes Weber8, Claudia Poloni9, Urs Fischer3, Maja Steinlin1. 1. Department of Pediatrics, Division of Child Neurology, University Children's Hospital Bern, University of Bern, Bern. 2. Department of Diagnostic and Interventional Neuroradiology, Inselspital, University Hospital Bern, University of Bern, Bern. 3. Department of Neurology, Inselspital, University Hospital Bern, University of Bern, Bern. 4. Department of Pediatric Neurology and Developmental Medicine, University of Basel Children's Hospital, Basel. 5. Department of Pediatrics, Division of Child Neurology, University Children's Hospital Geneva, University of Geneva, Geneva. 6. Department of Pediatrics, Division of Child Neurology, University Children's Hospital Zurich, University of Zurich, Zurich. 7. Department of Pediatrics, Division of Child Neurology, Children's Hospital, St Gallen. 8. Department of Radiology, Cantonal Hospital St Gallen, St Gallen. 9. Department of Pediatrics, Division of Child Neurology, University Children's Hospital Lausanne, University of Lausanne, Lausanne, Switzerland.
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). INTERPRETATION: Recanalization treatment is feasible and seems to be safe in severely affected pediatric AIS patients. The assessment of efficacy of IVT/EVT in pediatric stroke patients requires larger studies. Ann Neurol 2018;83:1125-1132.
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). INTERPRETATION: Recanalization treatment is feasible and seems to be safe in severely affected pediatric AIS patients. The assessment of efficacy of IVT/EVT in pediatric strokepatients requires larger studies. Ann Neurol 2018;83:1125-1132.
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