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  1. Article ; Online: Characterizing and Quantifying Material Fatigue of the Artificial Urinary Sphincter Pressure Regulating Balloon.

    Krughoff, Kevin / Foreman, Jordan R / Peterson, Andrew C

    Urology

    2023  Volume 183, Page(s) 244–249

    Abstract: Objective: To characterize and quantify changes in elastic properties and in vivo pressure characteristics of pressure regulating balloons (PRB) over time, we conducted an analysis of the mechanical characteristics of the PRB after removal from patients ...

    Abstract Objective: To characterize and quantify changes in elastic properties and in vivo pressure characteristics of pressure regulating balloons (PRB) over time, we conducted an analysis of the mechanical characteristics of the PRB after removal from patients for revision surgery.
    Methods: Pressure and elasticity characteristics of new and used 61-70 cm H
    Results: Twenty-seven used PRBs were analyzed after excluding 3 for alternative pressure ratings and 2 for occult pinpoint leaks. Time from artificial urinary sphincter placement to removal ranged from 0.02-17.6 years (median 8.4, interquartile range (IQR) 5.7-10.0). The mean pressure of all extracted PRBs: 58.8 cm H=O (± 7.4), 17 (62.9%) below the standard operating range. Each year of use in-vivo was associated with 1.09 cm H
    Conclusion: In PRBs tested for pressure-volume characteristics, increasing PRB age was associated with decreased pressure and elasticity.
    MeSH term(s) Humans ; Reoperation ; Reproducibility of Results ; Urinary Sphincter, Artificial
    Language English
    Publishing date 2023-10-29
    Publishing country United States
    Document type Journal Article
    ZDB-ID 192062-5
    ISSN 1527-9995 ; 0090-4295
    ISSN (online) 1527-9995
    ISSN 0090-4295
    DOI 10.1016/j.urology.2023.10.008
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  2. Article ; Online: Urethral Stricture Formation After Artificial Urinary Sphincter Cuff Erosion Is Uncommon in the Absence of Pelvic Radiation.

    Krughoff, Kevin / Dvergsten, Thomas / Foreman, Jordan R / Peterson, Andrew C

    The Journal of urology

    2023  Volume 210, Issue 1, Page(s) 136–142

    Abstract: Purpose: Reported rates of urethral stricture development after artificial urinary sphincter erosion are highly variable. We hypothesized that the risk of stricture is commensurate with the degree of erosion.: Materials and methods: We reviewed our ... ...

    Abstract Purpose: Reported rates of urethral stricture development after artificial urinary sphincter erosion are highly variable. We hypothesized that the risk of stricture is commensurate with the degree of erosion.
    Materials and methods: We reviewed our prospectively maintained quality improvement database for all patients with artificial urinary sphincter erosion from 2011 to 2022. The incidence of postoperative stricture development was compared to the severity of erosion using a graded scale: 1, <25% circumference; 2, 25%-50% circumference; 3, >50% and <100% circumference; and 4, 100% circumference. From 862 artificial urinary sphincter surgeries, 102 erosion cases were identified, and 63 with documented erosion severity were included for analysis. Additional analysis was performed on 28 cases without documented erosion severity for validation.
    Results: Within the main cohort, urethral stricture developed in 22 (34.9%) patients. The incidence of stricture did not vary by grade of erosion (
    Conclusions: Artificial urinary sphincter erosion does not lead to urethral stricture formation in most cases and is not associated with degree of erosion. Those who develop strictures nearly always have a history of pelvic radiation.
    MeSH term(s) Male ; Humans ; Urethral Stricture/surgery ; Urethral Stricture/complications ; Urinary Sphincter, Artificial/adverse effects ; Urethra/surgery ; Constriction, Pathologic ; Postoperative Complications/epidemiology ; Postoperative Complications/etiology ; Postoperative Complications/surgery ; Retrospective Studies ; Urinary Incontinence, Stress/surgery
    Language English
    Publishing date 2023-03-22
    Publishing country United States
    Document type Review ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 3176-8
    ISSN 1527-3792 ; 0022-5347
    ISSN (online) 1527-3792
    ISSN 0022-5347
    DOI 10.1097/JU.0000000000003431
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  3. Article ; Online: A multimodality review of male urethral imaging: pearls and pitfalls with an update on urethral stricture treatment.

    Revels, Jonathan Wesley / Wang, Sherry S / Weaver, Jennifer S / Foreman, Jordan R / Gallegos, Maxx A / Thompson, William M / Katz, Douglas / Moshiri, Mariam

    The British journal of radiology

    2022  Volume 95, Issue 1134, Page(s) 20211034

    Abstract: Optimum radiological assessment of the male urethra requires knowledge of the normal urethral anatomy and ideal imaging techniques based on the specific clinical scenario. Retrograde urethrography is the workhorse examination for male urethral imaging, ... ...

    Abstract Optimum radiological assessment of the male urethra requires knowledge of the normal urethral anatomy and ideal imaging techniques based on the specific clinical scenario. Retrograde urethrography is the workhorse examination for male urethral imaging, usually utilized as the initial, and often solitary, modality of choice not only in the setting of trauma, but also in the pre- and post-operative evaluation of urethral strictures. There is, however, growing interest in utilization of ultrasound and magnetic resonance for evaluation of the male urethra owing to lack of ionizing radiation and improved delineation of the adjacent tissue. We review the various modalities utilized for imaging of the male urethra for a variety of known or suspected disorders, and provide an update on current treatments of urethral strictures. Additionally, we detail the key information needed by urologists to guide management of urethral strictures. We conclude with a brief discussion of neophallus urethral diseases following female-to-male sexual confirmation surgery.
    MeSH term(s) Female ; Humans ; Magnetic Resonance Imaging/methods ; Male ; Radiography ; Ultrasonography ; Urethra/diagnostic imaging ; Urethral Stricture/diagnostic imaging ; Urethral Stricture/therapy
    Language English
    Publishing date 2022-05-05
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 2982-8
    ISSN 1748-880X ; 0007-1285
    ISSN (online) 1748-880X
    ISSN 0007-1285
    DOI 10.1259/bjr.20211034
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