Extracorporeal shock wave lithotripsy for urinary tract stones in pediatric patients: Our 11 years of experience : Lithotripsy in pediatric patients

Halil Ferat Öncel; Remzi Salar; Tuncer Bahçeci

doi:10.28982/josam.7431

Authors

Halil Ferat Öncel Health Sciences University, Mehmet Akif Inan Training and Research Hospital, Urology Clinic, Sanliurfa, Turkey https://orcid.org/0000-0003-4043-5597
Remzi Salar Health Sciences University, Mehmet Akif Inan Training and Research Hospital, Urology Clinic, Sanliurfa, Turkey https://orcid.org/0000-0002-5078-9367
Tuncer Bahçeci Health Sciences University, Mehmet Akif Inan Training and Research Hospital, Urology Clinic, Sanliurfa, Turkey https://orcid.org/0000-0002-3178-9169

DOI:

https://doi.org/10.28982/josam.7431

Keywords:

Pediatric urolithiasis, Lithotripsy, Shock wave, Urinary stone

Abstract

Background/Aim: Urinary system stone disease creates a significant burden on the health system. Many treatment methods are available, including extracorporeal shock wave lithotripsy (ESWL), endourological procedures, and open and laparoscopic procedures. In recent years, in parallel with technological developments, endourological devices have become more usable in the renal system. For this reason, urologists are opting for endourological procedures more frequently. ESWL is the least invasive procedure for urinary system stone disease, and it has a higher success rate in pediatric patients than in adults. In this retrospective cohort study, we analyzed the data from the pediatric cases in which we used ESWL treatment in our clinic. We aimed to reveal the effectiveness of ESWL and the factors that will increase the success rate of this procedure in light of the current literature.

Methods: The files of patients aged 16 years and under who underwent ESWL at the Urology Clinic of University of Health Sciences Sanliurfa Mehmet Akif Inan Training and Research Hospital between January 2010 and December 2021 were retrospectively reviewed. Age, gender, stone area, stone localization, number of sessions, energy and frequency used, complete stone-free status, and secondary intervention requirement were recorded. The absence of stone fragments or the presence of fragments smaller than 3 mm only in imaging after ESWL was considered a success.

Results: This study included 433 pediatric patients. The mean age of the patients was calculated as 12.02 (4.67) (range: 1–16) years. The most important factors affecting the number of residual stones were stone localization (P = 0.045) and size (P < 0.001). When stone localization was compared according to patient age, the older patients were found to have a significantly higher rate of stones in the proximal ureter than in the lower calyx of the kidney (P = 0.045) and renal pelvis (P = 0.048).

Conclusion: Although there are continual advances in other minimally invasive surgical methods today, ESWL is a treatment method that can be safely applied in pediatric patients. Stone size and stone localization are the two most important factors affecting its success rate.

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