PLA2G7 and Stroke: Researchers like Markus Arnold have demonstrated that Lipoprotein(a) is an independent risk factor for recurrent atherosclerotic stroke in middle-aged and elderly patients [9], while Elkind et al. have shown that lipoprotein-associated phospholipase A2 (Lp-PLA2) is an independent predictor of recurrent stroke in AIS patients [10].