[The effects of different occluder selection on cardiac remodeling post transcatheter closure in patients with secundum atrial septal defect].

Objective: To evaluate the effects on cardiac remodeling post transcatheter closure by Amplatzer septal occluder selected by oval circumference formula in patients with atrial septal defect (ASD).

Methods: A total of 146 patients with ASD (68 males,mean 33.5 years) treated by transcatheter closure with the Amplatzer occluder were enrolled in this study.

[Establishment of a multi drug-resistant human lung adenocarcinoma cell line and biological characteristics there of].

Objective: To establish a multidrug-resistant human lung adenocarcinoma cell line and to investigate its biologic characteristics.

Methods: NBV of the terminal concentration of 0.02 mg/L was co-cultured with the human lung adenocarcinoma cells of the line Anip973.