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Comparison of Ultra-mini PCNL and Micro PCNL

Kidney Stones Clinical Trial

Official title:
Comparison of Success Rates, Complication Rates and Injury to Kidneys of Ultra-mini PCNL and Micro PCNL in the Treatment of Kidney Stones

Clinical Trial Summary

It is aimed to evaluate the treatment results, rates of success and complications, and injury given to the kidney by measuring preoperative and postoperative blood and Cystatin C levels in patients with kidney stones smaller than 2 cm who will undergo either ultra-mini percutaneous nephrolithotripsy (PCNL) or micro PCNL.

Clinical Trial Description

In this study, the demographic and preoperative data, imaging data, operative data and postoperative follow-up data will be prospectively recorded according to the patient information forms for the patients with kidney stone smaller than 2 cm who will undergo either ultra-mini PCNL or micro PCNL.

A total of 60 (sixty) patients, aging between 18 and 65 years, with similar stone size and location are being planned to be enrolled into the study; and will be prospectively randomized into two groups with a 1:1 ratio, thus 30 (thirty) patients will receive ultra-mini PCNL while 30 (thirty) patients will undergo micro PCNL.

Preoperatively, blood and urine Cystatin C levels will be measured. After the surgery, blood and urine Cystatin C levels at postoperative 12th hour will be recorded. Besides these, classical kidney function tests, namely blood urea and creatinine levels, will be measured preoperatively and postoperatively.

Parameters listed below will be also recorded and evaluated:

1. Preoperative general evaluation data: Age, height, weight, body-mass index, concomitant comorbidities, prescriptions used, history of operation(s), American Society of Anesthesiologists (ASA) score

2. Preoperative urological evaluation data: History of extracorporeal shock wave lithotripsy (ESWL)/PCNL/ureterorenoscopy (URS)/retrograde intrarenal surgery (RIRS)/open surgery, whole blood count, kidney function tests, automatic urine test, urine culture, preoperative imaging modality (KUB, US, CT), number-dimensions-localization-composition of stone(s), existence of hydronephrosis

3. Operative data: Access fluoroscopy duration, total access duration, total fluoroscopy duration, operation duration, use of double-J stent, preoperative complications

4. Number of previous ESWL seance, total duration of ESWL, number of shots during ESWL (if any)

5. Follow-up data: Urethral catheterization time, hospitalization time, need of any other treatment for being stone-free, time to full stone-free, duration to removal of double-J stent, existence of residual stone(s), formation of new stone(s), complications in late period ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02522689
Study type Interventional
Source Selcuk University
Contact Ozcan Kilic, M.D.
Phone +905074196189
Email drozcankilic@yahoo.com
Status Recruiting
Phase N/A
Start date October 8, 2019
Completion date September 2021
View Details
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