In contrast , the number of circulating early differentiation stage EPCs CD@ - / @ + / @ + and CD@ - / CD@ + / KDR + raised significantly from @ h preoperative values ( @ ; @ @ ) to @ h postoperative ( ( @ @ ; @ @ ) , ( p < @ ) ) and @ h postoperative ( ( @ @ ; @ @ ) , ( p < @ ) ) concentrations after coronary angioplasty in the @mg Atorvastatin medication patients .