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Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
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Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
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Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...
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Postprocedural Urethral Strictures After Aquablation.

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Aquablation surgery for urethral strictures resulted in a 5.3% incidence rate. Longer catheter duration and traction time were identified as key risk factors for developing strictures post-procedure.

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Area of Science:

  • Urology
  • Surgical Innovation
  • Patient Outcomes

Background:

  • Iatrogenic urethral strictures are a potential complication following surgical interventions.
  • Aquablation, a robotic waterjet ablation technology, is increasingly used for lower urinary tract symptoms.

Purpose of the Study:

  • To determine the incidence of urethral stricture after Aquablation.
  • To identify risk factors associated with urethral stricture development post-Aquablation.

Main Methods:

  • Retrospective review of 170 patients undergoing Aquablation.
  • Postoperative monitoring included catheterization, bladder irrigation, and void trials.
  • Follow-up assessments at 6 weeks, 3 months, 9 months, and annually to identify strictures.

Main Results:

  • A 5.3% incidence of postprocedural urethral stricture was observed (9/170).
  • Strictures were predominantly in the fossa navicularis (89%).
  • Longer mean traction time (23.7 vs 18.1 hours) and higher rates of discharge with a catheter (89% vs 47.8%) were noted in the stricture cohort.

Conclusions:

  • The incidence of symptomatic urethral stricture following Aquablation is 5.3%.
  • Increased indwelling catheter duration and prolonged traction time are associated with a higher risk of urethral stricture.