Research Article

Effects of Shen-Yuan-Dan on Periprocedural Myocardial Injury and the Number of Peripheral Blood Endothelial Progenitor Cells in Patients with Unstable Angina Pectoris Undergoing Elective Percutaneous Coronary Intervention

Table 3

Number of peripheral blood EPCs during perioperative PCI in the two groups (, per ml).

Group3 d before surgery1 h before surgery4 h after surgery24 h after surgery7 d after surgery

A (n = 32)22.78 ± 9.6037.24 ± 25.2025.30 ± 11.9028.84 ± 19.3426.84 ± 18.02
B (n = 30)20.88 ± 7.3422.36 ± 12.2619.26 ± 9.8222.00 ± 13.7620.00 ± 8.46

A: experimental group; B: control group. in comparison with the control group; in comparison with preoperative 3 d; and in comparison with preoperative 1 h.