Abstract Study question Does supplementation of human sperm media with L-Proline improve function and chromatin quality during in Vitro Incubation? Summary answer The inclusion L-proline as an antioxidant improves integrity probably by modulating oxidative stress What is known already Infertility affects millions people reproductive age globally. gametes one the most critical aspects that could...

Cryoballoon ablation is well-established for the treatment of atrial fibrillation (AF). Fixed-size cryoballoon often mismatched with variable geometries pulmonary vein (PV) antrum, resulting in incomplete PV isolation (PVI) and segmental ablation. Novel size capable selecting between 28mm 31mm may improve these technical challenges. However, improvement to occlusion single-shot PVI calculated i...