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KMID : 0356420040220020057
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Journal of Korean Andrology
2004 Volume.22 No. 2 p.57 ~ p.62
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Diagnostic Utility of 3-Dimensional Head Mounted Display in Audiovisual Sexual Stimulation
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Song Phil-Hyun
Moon Ki-Hak
Park Tong-Choon
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Abstract
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Purpose: This study evaluated the diagnostic utility of a 3-Dimensional head mounted display(HMD) in audiovisual sexual stimulation(AVSS).
Materials and Methods: A total of 45 men were included in this study: 15 healthy, 15 patients diagnosed with organic impotence, and 15 patients with psychogenic impotence. The NEVA(Nocturnal Electrobioimpedance Volumetric Assessment) system was performed during AVSS with both the 3-D HMD and a conventional monitor. In this study, normal erection was defined as a change in penile blood volume of more than 200% over the baseline for more than 5 minutes. After AVSS, each subject rated his sexual drive as grade I(poor), II(moderate), or III (good).
Results: Use of the conventional monitor produced a normal state in 8 men: 5 healthy volunteers(33%) and 3 patients with psychogenic impotence(20%). Use of the 3-D HMD produced a normal state in 23 men: 12 healthy volunteers(80%) and 11 patients with psychogenic impotence(73%). In the healthy volunteers and psychogenic impotence group, the duration of erectile events and percent of volume increase from baseline increased significantly more with 3-D HMD than with the conventional monitor. Compared to results using the conventional monitor, the subjects´ sexual drive with 3-D HMD was also significantly increased(p＜0.05).
Conclusions: AVSS with 3-D HMD improves the recording of physiological erectile response and may be a valuable tool in making the correct diagnosis of erectile dysfunction.
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KEYWORD
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Erectile dysfunction, Audiovisual sexual stimulation
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