Optimal Passive Dilation Time in Retrograde Intrarenal Surgery

Ankara Training and Research Hospital50 enrolled

Overview

Retrograde intrarenal surgery (RIRC) is used as standard treatment for stones less than 2 cm. In some cases, the ureteral access sheath cannot be placed due to ureteral stricture. In this case, a double j stent (DJ) is placed to passively dilate the ureter, and the RIRC is postponed for post-dilatation. The aim of the study is to determine the optimal time for RIRC operation in cases where a double j stent was placed for passive dilatation.

Study Type

OBSERVATIONAL

Enrollment

Conditions

Stone, Kidney Urolithiasis

Interventions

Retrograde intrarenal surgery after DJ stent placementPROCEDURE

Patients who underwent RIRC for 2-4 weeks after DJ stent placement for passive dilatation

Eligibility

Sex: ALLMin age: 18 YearsMax age: 80 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Patients with a DJ stent for passive dilatation and subsequent RIRC Exclusion Criteria: * Urinary tract infection, patients with ureteral compression and a history of pelvic radiotherapy, urinary system tumor

Locations (1)

Ankara Training and Research Hospital

Ankara, Altindag, Turkey (Türkiye)

Outcomes

Primary Outcomes

BMI in kg/m^2

BMI in kg/m\^2the kidney, operation time(minute)

Time frame: 3 Months

serum creatinine mg/dl

Time frame: 3 Months

Secondary Outcomes

mm size of the stone

Time frame: 3 Months

localization of the stone in the kidney,

Time frame: 3 Months

Data from ClinicalTrials.gov

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