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Double J stent removal in paediatric patients by Vellore Catheter Snare technique: a randomised control trial.

Abstract：

BACKGROUND:Double J (DJ) stents placed at the end of paediatric urological procedures require another cystoscopy under general anaesthesia for removal. The second author developed a reproducible technique for snaring the DJ stent using an infant feeding tube (6-Fr or 8-Fr) and a 3-0 polypropylene suture per urethra. Having demonstrated the proof of concept, ethical clearance was obtained for an institutional randomised controlled trial. OBJECTIVE:The aim of the study was (1) to describe the Vellore Catheter Snare (VeCS) technique for DJ stent removal, (2) to study the efficacy of the technique and (3) to compare the costs of VeCS technique with cystoscopy on an intention-to-treat basis. STUDY DESIGN:The study design was that of a randomised control trial with parallel groups as a non-inferiority study. RESULTS:Forty children with unilateral indwelling DJ stents were enrolled from January to August 2018. They were randomised by unequal allocation (1:3) to cystoscopic and VeCS technique removal arms. The VeCS technique and cystoscopy were successful in 86.67% (26/30) and in 100% (10/10) cases, respectively, with no statistically significant difference in the outcome (p = 0.223). The average cost for cystoscopic removal of the stent was INR 14,579 and was INR 5636.5 for the VeCS technique (on an intention-to-treat basis). DISCUSSION:While per-urethral catheterisation is an outpatient/ward procedure in children, cystoscopy is not. Other techniques such as extraction strings and magnetic stents with their extraction device were found to have certain disadvantages. The VeCS technique, using common disposables, circumvented the need for inpatient admission, disinfected equipment usage and operation theatre time in 87% children, thereby reducing the costs incurred by the patient. CONCLUSION:The VeCS technique for DJ stent removal is a practical low-cost safe alternative to cystoscopic removal of DJ stents in children. Although the technique has a high success rate, it still needs the backup option of cystoscopy under general anaesthesia.

journal_name

J Pediatr Urol

journal_title

Journal of pediatric urology

authors

Sundaramurthy S,Joseph Thomas R,Herle K,Jeyaseelan,Mathai J,Jacob Kurian J

doi

10.1016/j.jpurol.2019.08.009

subject

Has Abstract

pub_date

2019-12-01 00:00:00

pages

661.e1-661.e8

issue

eissn

1477-5131

issn

1873-4898

pii

S1477-5131(19)30247-5

journal_volume

pub_type

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Double J stent removal in paediatric patients by Vellore Catheter Snare technique: a randomised control trial.