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  • Next-generation DNA sequencing for infected genitourinary implants: How I do it

    Chung H. Paul, Leong Joon Yau, Teplitsky Seth, Shenot J. Patrick, Das K. Akhil, Gomella G. Leonard, MD Department of Urology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia Pennsylvania, USA

    Infection of artificial urinary sphincters or inflatable penile prostheses is one of the most devastating complications after prosthetic surgery and can have a significant impact on a quality of life. Patients undergoing revision surgery with or without device replacement may have increased risk for infection when compared to initial primary surgery. As such, surgeons may utilize traditional culture results to direct antimicrobial therapy for these patients. Unfortunately, culture results can be inconclusive in up to one-third of the time even in the setting of active device infection. Next-generation sequencing (NGS) of DNA is an emerging technology capable of sequencing entire bacterial genomes and has the potential to identify microbial composition in explanted devices. Herein, we describe our institutional experience on NGS utilization in patients with genitourinary prostheses. We also highlight our methods and techniques to inform readers on the potential practices that can enhance the utility and diagnostic yield of this new and upcoming technology.

    Keywords: urethral stricture, inflatable penile prosthesis, IPP, artificial urinary sphincter, AUS, NGS, infection,

    Oct 2020 (Vol. 27, Issue 5 , Page 10418)
  • How I Do It: The Optilume drug-coated balloon for urethral strictures

    Elterman S. Dean, Coutinho Karl, Hagedorn C. Judith, MD Division of Urology, Department of Surgery, University of Toronto, Toronto, Ontario, Canada

    Urethral stricture disease can be difficult to treat and stricture recurrence is common. The management of stricture disease has evolved and urethroplasty can achieve a high rate of lasting urethral patency. Nevertheless, endoscopic treatments still seem to have sub-optimal outcomes with high stricture recurrence rates. The Optilume drug-coated balloon represents a step forward in the endoscopic management of urethral strictures. The drug-coated balloon may offer an intermediate step prior to repeated dilations, urethrostomies, or urethroplasty. This treatment modality is a promising alternative to current endoscopic management and an option for patients that are poor surgical candidates or decline urethroplasty.

    Keywords: urethral stricture, urethral dilation, drug-coated balloon,

    Aug 2020 (Vol. 27, Issue 4 , Page 10322)
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