Does low left atrial appendage flow velocity predict recurrence of atrial fibrillation after catheter ablation of persistent atrial fibrillation?
A low LAAV was associated with AF recurrence after the initial catheter ablation of persistent AF.
Sperm DNA fragmentation is not related to chromosomal anomalies in embryos from patients with recurrent miscarriage or implantation failure. However, we cannot rule out the possibility that a relationship between DNA fragmentation and aneuploidy exists for other causes of infertility. Furthermore, the different methods used to evaluate DNA fragmentation may produce different results.