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Laser Doppler Flowmetry Predicts Occlusion But Not Tpa-Mediated Reperfusion Success After Rat Embolic Stroke, Nils Henninger, James Bouley, Bernt Bratane, Birgül Bastan, Meghan Shea, Marc Fisher
Laser Doppler Flowmetry Predicts Occlusion But Not Tpa-Mediated Reperfusion Success After Rat Embolic Stroke, Nils Henninger, James Bouley, Bernt Bratane, Birgül Bastan, Meghan Shea, Marc Fisher
Nils Henninger
BACKGROUND AND PURPOSE: Laser Doppler flowmetry (LDF) is increasingly used to assess adequate occlusion after embolic stroke (ES) in rats. METHODS: Employing LDF, relative regional cerebral blood flow (rCBF) was continuously monitored during the first 2 h following ES and correlated with 24 h 2,3,5-triphenyltetrazolium chloride (TTC)-staining of corrected infarct volume. In a preliminary experiment (n=18), it was demonstrated that rCBF-reduction to 37% or less of baseline correctly identified occlusion success in the suture middle cerebral artery occlusion (sMCAO) model. Using the same methodology, we then assessed whether LDF allowed for identification of animals with successful ES (experiment 2, n=26) …