The study explores the effect of astragalus polysaccharide (APS) mediating P13K/ Akt/eNOS signaling pathway on apoptosis of myocardial microvascular endothelial cells (MMECs) in hypoxia/reoxygenation
We demonstrated successful implantation of porcine SIS stent valves in the pulmonary position in sheep with excellent valve function at the 3-month follow-up evaluation. Porcine SIS has potential superiority as a pulmonary stent bioprosthetic valve material, and the bell-shaped nitinol stent has potential superiority as a frame for pulmonary stent valves.
Transventricular implantation of a modified nitinol pulmonary valve stent showed good structural and functional outcomes without stent fracture or migration.
Minimally invasive perventricular closure is emerging as an alternative to conventional open surgery in treating traumatic ventricular septal defects (VSDs). We report a case of successful perventricular closure of a post-traumatic muscular VSD in a patient who sustained blunt chest trauma in a motor vehicle accident. A larger Amplatzer muscular VSD occluder (16 mm in diameter) was used to close the VSD near the apex.
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