Study on Histocompatibility of Domestic New Type Nitinol Alloy Ventricular Septal Defect Occluder
- VernacularTitle:国产新型钛镍合金室间隔缺损封堵器的组织相容性研究
- Author:
yun-long, YANG
;
lu-ping, XU
- Publication Type:Journal Article
- Keywords:
nitinol alloy occluder;
histocompatibility;
animal model
- From:Journal of Applied Clinical Pediatrics
2004;0(11):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the histocompatibility of domestic new type nitinol alloy ventricular septal defect(VSD) occluder in order to test the feasibility for clinical application.Methods The domestic new type nitinol alloy VSD occluder was inserted into 20 healthy dogs with intravenous balanced anesthesia and tracheal intubation,assisted by animal breathing machine respiration.The dogs were given oral antibiotic and would be killed in several months after operation.According to different slaughter time(1,2,3,6 months),they were divided into 4 sections and including 5 dogs in each section.The occluder sites,the intimal coverage and the change of inflammatory cells were observed through gross anatomy,with the help of the light microscope and electron microscope.SPSS 11.0 software was used to analyze the data.Results The thickness of the endocardial enhanced with the time(P
