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KMID : 0358320010420020166
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Korean Journal of Urology
2001 Volume.42 No. 2 p.166 ~ p.171
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Is There a Role of RigiScan® in the Measurement of Rigidity after Intracorporeal Injection of Prostaglandin E1?
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Ku Ja-Hyeon
Song Yun-Seob
Kim Min-Eui
Lee Nam-Kyu
Park Young-Ho
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Abstract
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Purpose : To evaluate whether radial rigidity measured using RigiScan® represents the intracorporeal pressure effectively.
Materials and Methods : From January 1998 to May 1999, total of 23 patients with erectile dysfunction were evaluated by RigiScan® and duplex ultrasonography after the intracorporeal injection of prostaglandin E1. Peak systolic velocity and end diastolic velocity were measured by duplex ultrasonography and then the resistance index was calculated as (peak systolic velocity-end diastolic velocity)/(peak systolic velocity). Radial rigidity of penile tip and base was measured by RigiScan® . The results were analyzed statistically by PC-SPSS version 7.5.
Results : There were statistically significant correlations between radial rigidity of penile tip and base and the resistance index by Spearman’s correlation analysis, respectively (r=0.680, p<0.001)(r=0.703, p<0.001). When radial rigidity of penile tip and base exceeded 60% of maximum, radial rigidity of penile tip and base again correlated well with the resistance index, respectively (r=0.659, p=0.020)(r=0.759, p=0.011). Based on clinically determined degree of erection, radial rigidity of penile tip and base represented the intracorporeal pressure effectively.
Conclusions : Radial rigidity measured by RigiScan® represents the intracorporeal pressure effectively.
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KEYWORD
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Erectile dysfunction, RigiScan®, Radial rigidity
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