老年急性ST段抬高型心肌梗死早期溶栓45例临床护理体会

目的探讨静脉溶栓治疗老年急性sT段抬高型心肌梗死（ST—segmentelevationmyocardialinfarction，STEMI）患者的护理体会。方法对45例老年STEMI患者进行静脉溶栓治疗：溶栓前准备、溶栓中密切配合并严密观察病情变化、溶栓后加强护理，防止并发症的发生。结果45例STEMI患者经静脉溶栓治疗后均取得满意的效果，治疗成功率为82．2％。结论对老年STEMI患者进行溶栓前、后护理，可防止并发症的发生，提高静脉溶栓的成功率。

Expressions of serum MMP-2 and MMP-9 in the breast cancer and their relationships with molybdenum target X-Ray scanning

Objective To investigate the expressions of serum matrix metalloproteinases （MMP） -2 and MMP-9 in the breast cancer, and to analyze their relationships with molybdenum target X-ray scanning. Methods A double antibody sandwich ELISA assay was used to detected the serum MMP-2 and MMP-9 in the 85 patients with breast cancer, and all the patients received the molybdenum target X-ray scanning, and the relationship with molybdenum target X-ray imaging were analyzed. Results The expression levels of serum MMP-2 and MMP-9 in the breast cancer were （113.41＆#177;10.22） and （174.27＆#177;10.97）μg/L, respectively. The expressions of serum MMP-2 and MMP-9 were related with burr syndrome, calcification and lymph node metastasis （P＆lt;0.05）. Conclusion High expressions of MMP-2 and MMP-9 are the signs of poor grognosis of breast cancer, and their high expressions are positively related with positive burr syndrome, positive calcification and positive lymph node metastasis, and they can be pathology basis of the positive signs.