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Asian Journal of Urology, 2020, 7(4): 327-331    doi: 10.1016/j.ajur.2019.10.011
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Comparison of outcomes between 2 week versus 4 week stenting in pediatric pyeloplasty—A single centre observational study
Santosh Dey,Venkat Shankar Raman(),Tarun Peela,Karunesh Chand,Naveen Chandra
Department of Pediatric Surgery, Army Hospital, Pune, India
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Abstract  

Objective: To compare the surgical outcomes, improvement in renal function and complications between early stent removal (2 weeks) and late stent removal (4 weeks) after pediatric open pyeloplasty.
Methods: A total of 72 open pyeloplasty were included in the study. Forty-three underwent late stent removal (Group 1) and 29 underwent early stent removal (Group 2). Pre-operative and post-operative follow-up data were compared to see the effect of early stent removal on the postoperative drainage pattern at 6 months after surgery and improvement in split function of affected kidney. The complications between the two groups were also compared.
Results: Both the groups were matched with respect to age, sex, side and antero-posterior diameter of pelvis. Pre-operative mean split function in Group 1 was 42% (26%-54%) while it was 39% (19%-42%) in Group 2 (p=0.37). Postoperative improvement in drainage pattern was seen in 69 out of 72 (96%) patients, 41 out of 43 (95%) in Group 1 and 28 out of 29 (97%) in Group 2. Improvement in split function occurred in 35 of 38 (97%) in Group 1 and 23 of 26 (88%) patients in Group 2 (p=0.51). Complications were seen in nine out of 72 (12.5%) patients. Incidence of complication in Group 1 was 16% (7/43) and Group 2 was 7% (2/29), and relative risk was 2.36.
Conclusion: A shorter duration of double J stenting is as effective as a longer stenting period in terms of surgical success outcomes and improvement in split renal function along with a decreased risk of stent related complications.

Key wordsPelvi-ureteric junction obstruction      Anderson-Hynes pyeloplasty      Double J stenting      Outcomes     
Received: 10 January 2019      Available online: 02 November 2019
Corresponding Authors: Venkat Shankar Raman     E-mail: shankyafmc@yahoo.com
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Santosh Dey
Venkat Shankar Raman
Tarun Peela
Karunesh Chand
Naveen Chandra
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Santosh Dey,Venkat Shankar Raman,Tarun Peela, et al. Comparison of outcomes between 2 week versus 4 week stenting in pediatric pyeloplasty—A single centre observational study[J]. Asian Journal of Urology, 2020, 7(4): 327-331.
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http://www.ajurology.com/EN/10.1016/j.ajur.2019.10.011     OR     http://www.ajurology.com/EN/Y2020/V7/I4/327