A breathless tweet from @JNIS_BMJ: BREAKTHROUGH in Stroke Treatment! Meta-analysis: Mechanical Thrombectomy >> Medical Management for large infarct stroke! ++ functional recovery & quality-adjusted life-years PLUS more cost-effective over life.
You can decide how breakthrough it is; I don't see full 100% recovery for all!
The feasibility of mechanical thrombectomy versus medical management for acute stroke with a large ischemic territory
Abstract
Background Mechanical thrombectomy (MT) for acute ischemic stroke is generally avoided when the expected infarction is large (defined as an Alberta Stroke Program Early CT Score of <6).
Objective To perform a meta-analysis of recent trials comparing MT with best medical management (BMM) for treatment of acute ischemic stroke with large infarction territory, and then to determine the cost-effectiveness associated with those treatments.
Methods A meta-analysis of the RESCUE-Japan, SELECT2, and ANGEL-ASPECT trials was conducted using R Studio. Statistical analysis employed the weighted average normal method for calculating mean differences from medians in continuous variables and the risk ratio for categorical variables. TreeAge software was used to construct a cost-effectiveness analysis model comparing MT with BMM in the treatment of ischemic stroke with large infarction territory.
Results The meta-analysis showed significantly better functional outcomes, with higher rates of patients achieving a modified Rankin Scale score of 0–3 at 90 days with MT as compared with BMM. In the base-case analysis using a lifetime horizon, MT led to a greater gain in quality-adjusted life-years (QALYs) of 3.46 at a lower cost of US$339 202 in comparison with BMM, which led to the gain of 2.41 QALYs at a cost of US$361 896. The incremental cost-effectiveness ratio was US$−21 660, indicating that MT was the dominant treatment at a willingness-to-pay of US$70 000.
Conclusions This study shows that, besides having a better functional outcome at 90-days' follow-up, MT was more cost-effective than BMM, when accounting for healthcare cost associated with treatment outcome.
Data availability statement
Data are available upon reasonable request.
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