Penile Vibratory Stimulation is considered the method of first choice for semen retrieval in men anejaculatory due to spinal cord injury above T10, meaning local ejaculatory reflex arcs are likely intact – at S2-S4 and T10-L2.
Compared to EEJ, PVS gives better semen quality, is preferred by patients and can be performed at home.
University of Miami Miller School of Medicine (Nancy Brackett) study established efficacy in 13 of 15 subjects with level of injury above T10 (86.6%).