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The STING in the refluxing duplex system

H A Steinbrecher¹, B Edwards, P S Malone

¹Department of Paediatric Urology, Wessex Centre for Paediatric Surgery, Southampton General Hospital, UK.

British Journal of Urology

|August 1, 1995

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The subureteric Teflon injection (STING) procedure showed a low patient cure rate for refluxing duplex ureters, with only 11 of 23 patients cured after two treatments. This method is not recommended for treating vesicoureteric reflux in duplex kidneys.

Area of Science:

Pediatric Urology
Minimally Invasive Surgery
Urologic Imaging

Background:

Vesicoureteric reflux (VUR) in duplex systems presents unique challenges.
Duplex ureters are prone to recurrent urinary tract infections and potential renal damage.
Effective treatment options for VUR in duplex systems are crucial.

Purpose of the Study:

To evaluate the effectiveness of the subureteric Teflon injection (STING) procedure.
To determine the success and cure rates of STING in pediatric patients with refluxing duplex ureters.
To assess the safety of STING in this specific patient population.

Main Methods:

Retrospective analysis of 23 pediatric patients (mean age 6.5 years) with refluxing duplex ureters.
STING procedure involving Teflon injection into individual ureteral moieties.

Related Experiment Videos

Post-treatment assessment using micturating cystourethrogram and ultrasonography at least 3 months after intervention.

Main Results:

No ureteric obstruction was observed post-procedure.
Initial unit cure rate after the first STING was 57%, with only 9 out of 23 patients fully cured.
A second STING improved the unit cure rate to 68%, with 11 patients achieving complete cure.

Conclusions:

The STING procedure demonstrated a poor overall patient cure rate for refluxing duplex ureters.
The efficacy of STING in treating vesicoureteric reflux in duplex kidneys is questionable.
Alternative treatment strategies may be more suitable for this condition.