A recent Cochrane systematic review of 18 randomized controlled trials (RCTs) comparing endovascular intervention-either mechanical thrombectomy or intra-arterial thrombolysis combined with medical treatment-to conservative medical treatment alone provided high-certainty evidence that endovascular intervention increases the likelihood of achieving a favorable functional outcome (modified Rankin Scale \[mRS\] score of 0-2) by 50% in patients with acute ischemic stroke (AIS).1 More recently, a cross-Atlantic RCT was conducted to determine whether endovascular therapy (EVT) plus medical care is superior to medical care alone in patients with acute proximal cerebral vessel occlusion in the anterior circulation and large infarcts, regardless of infarct size. The study confirmed a 63% increased odds of a favorable outcome with EVT plus medical care. In real-world registries of EVT for AIS due to large-vessel occlusion in the anterior circulation, approximately one-half of patients are aged 70 and older, while 13% to 39% are aged 80 and beyond. In patients aged 70 and beyond who are EVT-eligible, post-procedure mortality increases progressively with increasing age. A prospective European study found that each additional year of age was associated with an 8% decline in the likelihood of achieving a favorable functional outcome. In elderly patients, increasing age is more than just a number-it reflects a higher likelihood of significant medical comorbidities, polypharmacy, declining functional status, compromised nutritional status, and weakened immune function. Research on age as a predictor of EVT outcomes often compares elderly patients to much younger counterparts. However, contrasting post-EVT outcomes in older adults with those under 70 is neither realistic nor appropriate due to inherent differences in baseline health, comorbidities, and physiological resilience. Therefore, the investigators analyzed a prospectively registered cohort to assess whether age influences post-EVT functional outcomes, using septuagenarians as the control group.
Age range
70 Years
Sex
ALL
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Post-endovascular thrombectomy modified Thrombolysis in Cerebral Infarction (mTICI) reperfusion grade
Timeframe: Immediate post-thrombectomy
Three-months post-EVT modified Rankin scale (mRS)
Timeframe: 3-months post-EVT