明胶海绵颗粒和壳聚糖α,β-甘油磷酸凝胶微球在肺结核咯血应用中的对比

摘要

背景:文献报道显示,明胶海绵颗粒和壳聚糖/α,β-甘油磷酸凝胶微球在肺结核咯血中具有较高的应用前景.目的:观察明胶海绵颗粒和壳聚糖/α,β-甘油磷酸凝胶微球在肺结核咯血中的应用效果.方法:取40只昆明小鼠,采用雾化吸入感染装置构建肺结核咯血模型,随机分为2组,分别采用明胶海绵颗粒、壳聚糖/α,β-甘油磷酸凝胶微球进行栓塞止血治疗,治疗后15,30 d,观察体质量变化、止血时间、止血有效率、心肌相关指标及肺结核组织病理变化.结果与结论:①壳聚糖/α,β-甘油磷酸凝胶微球组治疗后15 d的体质量高于明胶海绵组(P<0.05).②壳聚糖/α,β-甘油磷酸凝胶微球组止血有效率高于明胶海绵组(P<0.05),止血时间短于明胶海绵组(P<0.05).③两组N端BNP前体、肌酸激酶同工酶及肌酸激酶水平比较差异无显著性意义(P>0.05).④壳聚糖/α,β-甘油磷酸凝胶微球组材料周围淋巴细胞浸润,存在坏死病灶,材料匕存在大量活性细胞.明胶海绵颗粒组材料匕存在少许淋巴细胞,存在坏死病灶.⑤结果表明,将壳聚糖/α,β-甘油磷酸凝胶微球应用于肺结核小鼠动物模型中可获得更好的止血效果.%BACKGROUND:It is reported that gelatin sponge particles and chitosan/α, β-glycerophosphate gel microspheres have high application prospects in the treatment of hemoptysis of pulmonary tuberculosis.METHODS: Forty SPF Kunming mice were selected to make animal models of pulmonary tuberculosis hemoptysis using aerosolized inhalation device and randomly divided into two groups undergoing embolization for hemostasis using gelatin sponge particles and chitosan/α, β-glycerophosphate gel microspheres, respectively. Body mass changes, hemostasis time, effective rate of hemostasis, related indexes of myocardium and pathological changes of pulmonary tuberculosis were observed at 15 and 30 days after treatment.RESULTS AND CONCLUSION:(1) Mice in the chitosan/α, β-glycerophosphate gel microspheres group had higher body mass than those in the gelatin sponge group at 15 days after treatment (P < 0.05). (2) Compared with the gelatin sponge group, the hemostatic efficiency was higher and the time of hemostasis was shorter in the chitosan/α, β-glycerophosphate gel microspheres group (P< 0.05). (3) There were no significant differences in the levels of BNP precursor, creatine kinase isoenzyme and creatine kinase between the two groups (P > 0.05). (4) The lymphocyte infiltration and necrotic lesions were found around the microspheres, necrotic lesions were found, and there were a lot of active cells on the microspheres. There were a few lymphocytes in the gelatin sponge group. These results show that that the chitosan/α, β-glycerophosphate gel microspheres have better hemostatic effects in comparison with gelatin sponge particles in a mouse model of pulmonary tuberculosis.