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Validity and reliability of a smartphone application for the assessment of penile deformity in Peyronie's disease.
Hsi RS, Hotaling JM, Hartzler AL, Holt SK, Walsh TJ
(2013) J Sex Med 10: 1867-73
MeSH Terms: Cell Phone, Humans, Male, Penile Induration, Penile Prosthesis, Penis, Reproducibility of Results, Software
Show Abstract · Added January 16, 2018
INTRODUCTION - Available methods to evaluate men with Peyronie's disease (PD) are limited by the inability to accurately and reproducibly measure penile deformity. AIM.: The study aims to evaluate the performance of a smartphone application for the measurement of penile curvature and narrowing.
METHODS - A smartphone application, the University of Washington Peyronie's Examination Network (UWPEN), was developed for this purpose. To assess penile curvature, 15 single cylinders of malleable penile prostheses were molded to varying curvature angles. Three blinded observers nonsequentially measured the angle of curvature for each prosthetic cylinder using a protractor, goniometer, and UWPEN. To assess girth narrowing, six clay models of the penile shaft were constructed to represent conditions of normal, partial hourglass, circumferential hourglass, and pencil narrowing. Girth was measured using a ruler and UWPEN by the same blinded observers.
MAIN OUTCOME MEASURES - Statistical analyses compared intertest, interobserver, and intraobserver reliability using the interclass correlation coefficient (ICC). An ICC above 0.75 indicates excellent reproducibility among measurements.
RESULTS - Intertest reliability for angle measurements yielded an ICC for the three methods of 1.000. Separately, the ICC for UWPEN vs. the goniometer and protractor was 0.999 and 0.999, respectively. The interobserver ICC for UWPEN, goniometer, and protractor was 0.998, 0.999, and 1.000, respectively. Intertest reliability for girth narrowing measurements yielded an ICC of 0.991. The interobserver ICC for girth narrowing for UWPEN and the ruler was 0.978 and 0.986, respectively. Intraobserver ICC for angle measurements and girth narrowing showed high reliability for all observers and methods.
CONCLUSIONS - The performance of UWPEN is comparable with and highly correlated with angle measurements obtained from the goniometer and protractor as well as with girth narrowing measurements obtained from a ruler. Measurements are reproducible among different observers. UWPEN may provide a noninvasive, accurate, reliable, and widely accessible method to characterize and track PD over time.
© 2013 International Society for Sexual Medicine.
0 Communities
1 Members
0 Resources
8 MeSH Terms
Isolated infection of a decommissioned penile prosthesis reservoir with Actinomyces neuii.
Hsi RS, Hotaling JM, Spencer ES, Bollyky PL, Walsh TJ
(2011) J Sex Med 8: 923-6
MeSH Terms: Actinomyces, Actinomycosis, Aged, Erectile Dysfunction, Humans, Male, Penile Induration, Penile Prosthesis, Prosthesis-Related Infections
Show Abstract · Added January 16, 2018
INTRODUCTION - Inflatable penile prostheses (IPPs) are a well-established and reliable treatment for medication refractory erectile dysfunction. The most serious complication with IPPs is infection, with the reported incidence after primary placement 1% to 3% and after revision surgery 8% to 18%.
AIM - The aim of this report is to describe an infected decommissioned IPP reservoir with Actinomyces neuii with successful preservation of a functioning implant.
METHODS - After 9 years of successful use with an IPP (AMS 700 CX) for Peyronie's disease and organic erectile dysfunction, a 79-year-old man underwent replacement with an AMS 700 LGX. The decommissioned reservoir was kept in the right prevesical space, and the new reservoir was placed in the left prevesical space. Three months later, he presented with right inguinal pain and swelling.
RESULTS - He was found to have an infected right reservoir with A. neuii, sparing his new IPP. After removal of the right reservoir, he had an uneventful recovery and has shown no evidence of infection in the new device.
CONCLUSION - Revision surgery for IPPs carries a higher risk for implant infection. This is the first report of a genitourinary implant infection with A. neuii. Aggressive surgical and medical treatment may allow preservation of the functioning implant, despite gross infection of the decommissioned reservoir.
© 2010 International Society for Sexual Medicine.
0 Communities
1 Members
0 Resources
9 MeSH Terms