ORLANDO, Fla.--(BUSINESS WIRE)--Pfizer announced today that post-stroke or mini-stroke patients treated with Lipitor® (atorvastatin calcium) Tablets 80 mg had stabilization or improvement in kidney function. These results were demonstrated in patients with or without chronic kidney disease, metabolic syndrome or type 2 diabetes. This post-hoc analysis of the landmark Stroke Prevention by Aggressive Reduction of Cholesterol Levels (SPARCL) study, was presented at the Annual Scientific Sessions of the American Heart Association.