Effect of patient positioning in ultrasound evaluation of bladder neck mobility and genital hiatus area – pilot study

Background: Based on studies in the past, we wanted to answer two questions: What is the impact of posture on bladder neck mobility and genital hiatal area? Methods: Enrolled into the pilot study were 14 consecutive patients referred with urogynecological symptoms. After interview and voluntary urination, bladder neck descent and genital hiatus area were assessed by 2D and 4D ultrasound with the women at rest, with pelvic floor muscle contraction (PFMC) and during valsalva. Analysis was performed by 2 investigators. This examination was tested first in supine lithotomy then in standing position. Descriptive stat…