期刊
ULTRASOUND IN MEDICINE AND BIOLOGY
卷 33, 期 3, 页码 342-352出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ultrasmedbio.2006.08.020
关键词
cough; dynamic responses; motion tracking; urinary incontinence
资金
- NIBIB NIH HHS [1R21 EB001654-1, R21 EB001654] Funding Source: Medline
Ultrasound imaging of the pelvic floor carries diagnostically important information about the dynamic response of the pelvic floor muscles (PFM) to potentially incontinence-producing stress, which cannot be readily captured and assimilated by the observer during the scanning process. We presented an approach based on motion tracking quantitatively to analyze the dynamic parameters of PFM on the ano-rectal angle (ARA). Perineal ultrasonography was performed on 22 asymptomatic females and nine stress urinary incontinent (SUI) patients with a broad age distribution and parity. The ventral-dorsal and cephalad-caudad movements of the ARA were resolved and kinematic parameters, in terms of displacement, trajectory, velocity and acceleration, were analyzed. The results revealed the possible mechanisms of PFM responses to prevent the urine from incontinence in fast and stress events such as coughs. The statistical analyses showed that the PFM responses of the healthy subjects and the SUI patients are significantly different in both the supine and standing experiments. (E-mail: ceconst@stanford.edu) (c) 2007 World Federation for Ultrasound in Medicine & Biology.
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