Comparison of antegrade “Bull’s eye” technique and conventional retrograde method of access in percutaneous nephrolithotomy

Comparison of antegrade “Bull’s eye” technique and conventional method of access in percutaneous nephrolithotomy in terms of surgical results and complications in patients with renal stone

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20171126037628N2

Enrollment

100

Registered

2018-03-22

Start date

2018-02-20

Completion date

Unknown

Last updated

2018-03-26

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

Conditions

renal stone. Calculus of kidney and ureter

Interventions

Intervention 1: Intervention group: Adult patients with renal stone and without the exclusion criteria that will go under the new PCNL technique using Stone-directed antegrade pyelography using “Bull’

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Lower pole renal stone > 15mm Non-lower pole renal stone>20 mm Caliceal diverticular stone, Staghorn or partial staghorn stone Failed to response to SWL (Shock Wave Lithotripsy) Radiopaque or semiopaque renal stones in plain abdominal radiography

Exclusion criteria

Exclusion criteria: Solitary kidney Abnormal renal function

Design outcomes

Primary

Measure	Time frame
Operation duration. Timepoint: One time after the procedure. Method of measurement: By lessen the time of surgery initiation from the time of end of surgery.;Radiation duration. Timepoint: One time during the procedure. Method of measurement: By reading the operation note.;Become stone free after single session. Timepoint: one time in the first visit after procedure. Method of measurement: By ultrasonography.;Stone migration to ureter. Timepoint: One time in the first visit after procedure. Method of measurement: By ultrasonography.;Need for blood transfusion. Timepoint: During the surgery and admission days. Method of measurement: By reading operation note and nurses note.;Ischemic acute tubular necrosis. Timepoint: By evaluating Creatinin before and after surgery. Method of measurement: By evaluating Creatinin.;Perirenal fluid collection. Timepoint: After surgery. Method of measurement: Ultraonography.	—

Measure

Time frame

Operation duration. Timepoint: One time after the procedure. Method of measurement: By lessen the time of surgery initiation from the time of end of surgery.;Radiation duration. Timepoint: One time during the procedure. Method of measurement: By reading the operation note.;Become stone free after single session. Timepoint: one time in the first visit after procedure. Method of measurement: By ultrasonography.;Stone migration to ureter. Timepoint: One time in the first visit after procedure. Method of measurement: By ultrasonography.;Need for blood transfusion. Timepoint: During the surgery and admission days. Method of measurement: By reading operation note and nurses note.;Ischemic acute tubular necrosis. Timepoint: By evaluating Creatinin before and after surgery. Method of measurement: By evaluating Creatinin.;Perirenal fluid collection. Timepoint: After surgery. Method of measurement: Ultraonography.

—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAbdolreza Haghpanah

Shiraz University of Medical Sciences

haghpanahr@sums.ac.ir+98 71 3628 1563

Outcome results

None listed

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