REFERENCES
1. Mogilevkin Y, Sofer M, Margel D,
Greenstein A, Lifshitz D. Predicting an effective ureteral access sheath
insertion: a bicenter prospective study. J Endourol. 2014;28(12):1414-7.
2. Karsiyakali N, Karabay E, Erkan E,
Kadihasanoglu M. Evaluation of Nephrolithometric Scoring Systems to
Predict Outcomes of Retrograde Intrarenal Surgery. Urol J. 2020;4(10).
3. Shvero A, Herzberg H, Zilberman D,
Mor Y, Winkler H, Kleinmann N. Is it safe to use a ureteral access
sheath in an unstented ureter? BMC Urol. 2019;19(1):019-0509.
4. Lee MH, Lee IJ, Kim TJ, Lee SC,
Jeong CW, Hong SK, et al. The effect of short-term preoperative ureteral
stenting on the outcomes of retrograde intrarenal surgery for renal
stones. World J Urol. 2019;37(7):1435-40.
5. Boulalas I, De Dominicis M, Defidio
L. Semirigid ureteroscopy prior retrograde intrarenal surgery (RIRS)
helps to select the right ureteral access sheath. Arch Ital Urol Androl.
2018;90(1):20-4.
6. Türk C, Knoll T, Petrik A, Sarica
K, Straub M, Seitz C. Guidelines on urolithiasis. European association
of urology. 2011.
7. Türk C, Neisius A, Petik A, Seitz
C, Skolarikos A, Thomas K. Guidelines on urolithiasis. European
Association of Urology. 2020.
8. Lima A, Reeves T, Geraghty R,
Pietropaolo A, Whitehurst L, Somani BK. Impact of ureteral access sheath
on renal stone treatment: prospective comparative non-randomised
outcomes over a 7-year period. World J Urol. 2020;38(5):1329-33.
9. Perks AE, Schuler TD, Lee J,
Ghiculete D, Chung DG, RJ Dah, et al. Stone attenuation and
skin-to-stone distance on computed tomography predicts for stone
fragmentation by shock wave lithotripsy. Urology. 2008;72(4):765-9.
10. Duty B, Conlin M. Principles of
urologic endoscopy. Campbell-Walsh Urology 11th ed Philadelphia, PA:
Elsevier. 2016.
11. Karabulut I, Keskin E, Bedir F,
Yilmazel FK, Ziypak T, Doluoglu OG, et al. Rigid Ureteroscope Aided
Insertion of Ureteral Access Sheath in Retrograde Intrarenal Surgery.
Urology. 2016;91:222-5.
12. Geavlete PA, Mulţescu R, Geavlete
BF. Morbidity of Retrograde Flexible Ureteral Approach for
Pyelo-Caliceal Stones - A Retrospective Review of 4500 Procedures.
Chirurgia. 2020;115(1):63-8.
13. Cho SY, Ryang SH, Lee DS. A
presumptive role of lower ureteral angles in the difficulty of ureteral
access sheath insertion during retrograde intrarenal surgery. Int Urol
Nephrol. 2020;29(10):020-02483.
14. Lallas CD, Auge BK, Raj GV,
Santa-Cruz R, Madden JF, Preminger GM. Laser Doppler flowmetric
determination of ureteral blood flow after ureteral access sheath
placement. J Endourol. 2002;16(8):583-90.
15. Traxer O, Thomas A. Prospective
evaluation and classification of ureteral wall injuries resulting from
insertion of a ureteral access sheath during retrograde intrarenal
surgery. J Urol. 2013;189(2):580-4.
16. Traxer O, Wendt-Nordahl G, Sodha
H, Rassweiler J, Meretyk S, Tefekli A, et al. Differences in renal stone
treatment and outcomes for patients treated either with or without the
support of a ureteral access sheath: The Clinical Research Office of the
Endourological Society Ureteroscopy Global Study. World J Urol.
2015;33(12):2137-44.
17. Ito H, Sakamaki K, Kawahara T,
Terao H, Yasuda K, Kuroda S, et al. Development and internal validation
of a nomogram for predicting stone-free status after flexible
ureteroscopy for renal stones. BJU Int. 2015;115(3):446-51.
18. Tonyalı Ş, Yılmaz M, Karaaslan M,
Ceylan C, Işıkay L. Prediction of stone-free status after single-session
retrograde intrarenal surgery for renal stones. Turk J Urol.
2018;44(6):473-7.
19. Cho SY, Choo MS, Jung JH, Jeong
CW, Oh S, Lee SB, et al. Cumulative sum analysis for experiences of a
single-session retrograde intrarenal stone surgery and analysis of
predictors for stone-free status. PLoS One. 2014;9(1).