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Published on: November 26, 2013
Mechanical thrombectomy versus medical management for pediatric ischemic stroke: a systematic review and
Alperen Elek1, Cem Bilgin2, Sherief Ghozy2
1Faculty of Medicine, Ege University, Izmir, Turkey.
Insights
Mechanical thrombectomy (MT) shows promise for pediatric ischemic stroke, improving functional outcomes compared to medical management (MM). This analysis highlights MT
Area of Science:
- Pediatric Neurology
- Interventional Neuroradiology
- Stroke Medicine
Background:
- Ischemic stroke is a significant cause of disability and death in children.
- Mechanical thrombectomy (MT) is not yet approved for pediatric use, unlike in adults.
- Existing data on pediatric MT safety and efficacy are limited.
Purpose of the Study:
- To evaluate the safety and effectiveness of mechanical thrombectomy (MT) in pediatric ischemic stroke.
- To compare MT outcomes with medical management (MM) in children.
- To synthesize current evidence on MT for pediatric stroke.
Main Methods:
- A systematic literature search was conducted across MEDLINE, Scopus, and Web of Science.
- Studies reporting outcomes for MT, with or without intravenous thrombolysis (IVT), in pediatric ischemic stroke were included.
- Data from MM arms within comparative studies were also extracted.
Main Results:
- The meta-analysis included 18 studies with 612 pediatric patients.
- Successful recanalization (TICI 2b-3) was achieved in 88.9% of MT patients; complete recanalization (TICI 3) in 43.9%.
- Favorable functional outcomes (mRS 0-2) were observed in 78.6%, with low rates of mortality (3.9%) and symptomatic intracranial hemorrhage (sICH) (1.3%).
- MT demonstrated a significant improvement in functional outcomes compared to MM (OR, 0.43; P<0.001).
Conclusions:
- Mechanical thrombectomy appears to be a safe and effective treatment for pediatric ischemic stroke.
- MT offers a more favorable functional outcome profile compared to medical management in this population.
- Further research is warranted to identify specific pediatric patient subgroups who would most benefit from MT.
Background:
Ischemic stroke is an important cause of morbidity and mortality in children, yet no clinical trials have evaluated mechanical thrombectomy (MT) in this population. Consequently, in contrast to adults, pediatric MT remains an off-label intervention. This meta-analysis aimed to assess its safety and efficacy and compare outcomes with medical management (MM).
Methods:
MEDLINE, Scopus, and Web of Science were searched to identify original studies reporting outcomes of MT, with or without intravenous thrombolysis (IVT) in pediatric ischemic stroke. In studies that concurrently reported MT±IVT and MM±IVT within the same study, outcomes from the MM arms were also extracted for comparative analysis.
Results:
Eighteen studies encompassing 612 pediatric patients were included. The pooled successful recanalization rate (thrombolysis in cerebral infarction (TICI) 2b-3) after mechanical thrombectomy was 88.9% (95% confidence interval (CI) 85.65 to 92.06), and 43.9% (95% CI, 38.67 to 49.09) achieved complete recanalization (TICI 3). Favorable functional outcomes (modified Rankin Scale (mRS) 0-2) occurred in 78.6% (95% CI, 69.58 to 87.61) of patients, with mortality and symptomatic intracranial hemorrhage (sICH) rates of 3.9% (95% CI, 1.88 to 5.92) and 1.3% (95% CI, 1.07 to 2.58), respectively. Shift analysis demonstrated a significant overall improvement in functional outcomes with MT±IVT compared with MM±IVT (common (OR), 0.43; 95% CI, 0.30 to 0.63; P<0.001).
Conclusion:
Our findings suggest that MT has a favorable safety and efficacy profile, resulting in a more favorable mRS shift compared with MM in pediatric ischemic stroke. Further research is needed to identify the pediatric stroke patients who are likely to benefit from MT.
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