Abstract
A totally noninvasive transperineal urodynamic technique using Doppler ultrasonography has been developed. Since normal urine does not have blood cells, urine was thought not to produce the Doppler effect. However, basic studies confirmed that the decrease of pressure at high velocity (Bernouilli effect) caused dissolved gas to form microbubbles, which are detected by Doppler ultrasonography. Subjects sat and the probe was advanced via remote control to achieve gentle contact with the perineal skin. The color Doppler video images and uroflow data were processed to measure urinary velocity related parameters. This method is viable to diagnose the degree of bladder outlet obstruction and sphincteric function.
| Original language | English |
|---|---|
| Pages (from-to) | 332-342 |
| Number of pages | 11 |
| Journal | Urodinamica |
| Volume | 16 |
| Issue number | 4 |
| Publication status | Published - 2006 |
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ASJC Scopus subject areas
- Urology
- Obstetrics and Gynaecology
Cite this
Videourodynamics using transperineal Doppler ultrasonography. / Ozawa, Hideo; Nishiyama, Y.; Watanabe, Toyohiko; Kumon, H.
In: Urodinamica, Vol. 16, No. 4, 2006, p. 332-342.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Videourodynamics using transperineal Doppler ultrasonography
AU - Ozawa, Hideo
AU - Nishiyama, Y.
AU - Watanabe, Toyohiko
AU - Kumon, H.
PY - 2006
Y1 - 2006
N2 - A totally noninvasive transperineal urodynamic technique using Doppler ultrasonography has been developed. Since normal urine does not have blood cells, urine was thought not to produce the Doppler effect. However, basic studies confirmed that the decrease of pressure at high velocity (Bernouilli effect) caused dissolved gas to form microbubbles, which are detected by Doppler ultrasonography. Subjects sat and the probe was advanced via remote control to achieve gentle contact with the perineal skin. The color Doppler video images and uroflow data were processed to measure urinary velocity related parameters. This method is viable to diagnose the degree of bladder outlet obstruction and sphincteric function.
AB - A totally noninvasive transperineal urodynamic technique using Doppler ultrasonography has been developed. Since normal urine does not have blood cells, urine was thought not to produce the Doppler effect. However, basic studies confirmed that the decrease of pressure at high velocity (Bernouilli effect) caused dissolved gas to form microbubbles, which are detected by Doppler ultrasonography. Subjects sat and the probe was advanced via remote control to achieve gentle contact with the perineal skin. The color Doppler video images and uroflow data were processed to measure urinary velocity related parameters. This method is viable to diagnose the degree of bladder outlet obstruction and sphincteric function.
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UR - http://www.scopus.com/inward/citedby.url?scp=60849138994&partnerID=8YFLogxK
M3 - Article
VL - 16
SP - 332
EP - 342
JO - Urodinamica
JF - Urodinamica
SN - 1120-5989
IS - 4
ER -