Comparison of the complications between the papillary and infundibular access to the cacyceal system of the kidney during percutaneous nephtrolithotomy.

Randomized trial comparing the surgical outcome and morbidity of the accesses to fornix- papilla to the accesses to the infundibulum of the calyx of the kidney during percutaneous nephtrolithotomy.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN14679893

Enrollment

Registered

2016-07-23

Start date

2015-06-17

Completion date

Unknown

Last updated

2018-11-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Lithiasis of the urinary tract. Large stone in the renal pelvicalyceal system. Urological and Genital Diseases

Interventions

Participants are randomly allocated to one of two groups: Group 1: Undergo percutaneous nephtrolithotomy with access and tract dilation to the papilla of the desired calyx (control) Group 2: Undergo

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Renal stones >2cm in maximal diameter with indication for percutaneous nephrolithotomy.

Exclusion criteria

Exclusion criteria: 1. Single kidney 2. Ureteral stone in the same system 3. Stone in diverticulum 4. Concomitant urinary infection 5. Congenital anomalies of the urinary tract 6. Skeletal anomalies

Design outcomes

Primary

Measure	Time frame
1. The hemoglobin drop on the first postoperative day and discharge day 2. Need for transfusion during the first postoperative month	—

Secondary

Measure	Time frame
1. Operative time 2. Number of accesses performed 3. Stone free rate (at discharge and 3 months) 4. Complications rate (during the 4 weeks and 3 months postoperatively) 5. Hospitalization	—

Countries

Greece

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026