REALLY? You somehow missed knowing this neuronal cascade of death was occurring. And your mentors and senior researchers didn't know about it either? Known since Rockefeller University coined the term back in 2009. Neuroprotection is a useless word, it gives no sense of urgency needed. When your doctor says; 'We haven't been able to stop the neuronal cascade of death, so billions of neurons will die'. What will be your response? 'Oh well, it's not like you've known about this for decades, have you?' This is appallingly bad research.
Infarct Growth despite Successful Endovascular Reperfusion in Acute Ischemic Stroke: A Meta-analysis
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Abstract
BACKGROUND: Infarct volume inversely correlates with good recovery in stroke. The magnitude and predictors of infarct growth despite successful reperfusion via endovascular treatment are not known.
PURPOSE: We aimed to summarize the extent of infarct growth in patients with acute stroke who achieved successful reperfusion(Since the infarct was still growing you didn't have a successful reperfusion.) (TICI 2b–3) after endovascular treatment.
DATA SOURCES: We performed a systematic review and meta-analysis by searching MEDLINE and Google Scholar for articles published up to October 31, 2020.
STUDY SELECTION: Studies of >10 patients reporting baseline and post-endovascular treatment infarct volumes on MR imaging were included. Only patients with TICI 2b–3 were included. We calculated infarct growth at a study level as the difference between baseline and follow-up MR imaging infarct volumes.
DATA ANALYSIS: Our search yielded 345 studies, and we included 10 studies reporting on 973 patients having undergone endovascular treatment who achieved successful reperfusion.
DATA SYNTHESIS: The mean baseline infarct volume was 19.5 mL, while the mean final infarct volume was 37.5 mL(This tells us nothing. How many additional neurons died? How many additional miles of connections were destroyed? How many synapses were destroyed?). A TICI 2b reperfusion grade was achieved in 24% of patients, and TICI 2c or 3 in 76%. The pooled mean infarct growth was 14.8 mL (95% CI, 7.9–21.7 mL). Meta-regression showed higher infarct growth in studies that reported higher baseline infarct volumes, higher rates of incomplete reperfusion (modified TICI 2b), and longer onset-to-reperfusion times.
LIMITATIONS: Significant heterogeneity among studies was noted and might be driven by the difference in infarct growth between early- and late-treatment studies.
CONCLUSIONS: These results suggest considerable infarct growth despite successful endovascular treatment reperfusion and call for a faster workflow and the need for specific therapies to limit infarct growth.
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