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Published on: November 26, 2013
Mechanical thrombectomy in stroke patients of working age: Real-world outcomes in Sweden
Mihae Roland1, Ioanna Markaki1,2, Tommy Andersson1,3
1Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
Introduction:
Outcomes after mechanical thrombectomy (MT) in young stroke patients remain elusive due to small patient cohorts. We sought to determine outcomes after MT in stroke patients between ages 18 and 64 years and compare with outcomes in older patients in a large national stroke cohort.
Patients And Methods:
We used the Swedish National Stroke Registry and the Swedish National Endovascular Thrombectomy Registry to identify all patients treated with MT for anterior circulation occlusions. We examined outcome measures in terms of functional independence at 90 days (modified Rankin Scale score of 0-2), symptomatic intracerebral hemorrhage (sICH), and mortality at 90 days with multivariable logistic regression analysis.
Results:
Of 2143 patients, 565 were between 18 and 64 years (26.4%) and 1179 (55.0%) were males. Analysis showed that patient aged 18-64 achieved higher rate of functional independence at 90 days (46.2% vs 28.4%, p < .001), had less often sICH (5.5% vs 6.8%, p = .008), and lower 90-day mortality rate (6.9% vs 17.7%, p < .001). Increasing age was associated with a lesser probability of functional independence at 90 days (adjusted odds ratio (aOR), 0.94; [95% confidence intervals (CIs) 0.93-0.95]), higher odds of mortality at 90 days (aOR, 1.05; [95% CIs 1.03-1.06]), and of sICH (aOR 1.03; [95% CIs 1.01-1.05]).
Conclusion:
Patients aged 18-64 years demonstrated better outcome after thrombectomy regarding functional independence, sICH, and mortality at 90 days when compared to older ages.
