Impact of Previous Open Renal Surgery on Percutaneous Nephrolithotomy Complications

NCT07097883 | Completed

• 1 other identifier: Soh-Med-25-6-1PD
• Study Type: observational
• Target: 200
• Locations: 1 country
• Sites: 1

Brief Summary

This study compared percutaneous nephrolithotomy (PCNL) complications in cases with or without previous renal surgery.

Conditions

Open Renal Surgery; Percutaneous Nephrolithotomy; Complications

Outcome Measures

Primary Outcomes (1)

• Hospital stay duration

  Lenght of hospital stay was recorded from the admission till the discharge from hospital.

  Till the discharge from hospital (Up to two weeks)

Secondary Outcomes (2)

• Serum creatinine level

  Preoperatively

• Incidence of patients who need for auxiliary procedure

  24 hours postoperatively

Study Arms (2)

Fresh cases

Patients with no prior renal surgery.

Procedure: Percutaneous Nephrolithotomy

Recurrent cases

Patients with previous open renal surgery on the same side.

Procedure: Percutaneous Nephrolithotomy

Interventions

Percutaneous Nephrolithotomy PROCEDURE

Patients underwent percutaneous nephrolithotomy (PCNL) for renal calculi \>2 cm.

Fresh cases; Recurrent cases

Eligibility Criteria

• Age: 18 Years+
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Non-Probability Sample

Study Population

This prospective hospital-based comparative study included 200 patients with recurrent renal stones in one arm and an equal number of patients in a control arm.

You may qualify if:

• Adult patients (≥18 years).
• Both sexes.
• Undergoing percutaneous nephrolithotomy (PCNL) for renal calculi \>2 cm.

You may not qualify if:

• Active urinary tract infection.
• Elevated serum creatinine \>2.0 mg/dL.
• Pregnancy.
• Uncontrolled coagulopathy.
• Significant cardiopulmonary comorbidities.

Sponsors & Collaborators

• Sohag University: lead

Study Sites (1)

Sohag University

Sohag, 82511, Egypt

Location

MeSH Terms

Interventions

Nephrolithotomy, Percutaneous

Intervention Hierarchy (Ancestors)

Laparoscopy; Endoscopy; Minimally Invasive Surgical Procedures; Surgical Procedures, Operative; Urologic Surgical Procedures; Urogenital Surgical Procedures

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: PROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Assistant Professor of Urology, Faculty of Medicine, Sohag University, Sohag, Egypt

Study Record Dates

• First Submitted: July 24, 2025
• First Posted: July 31, 2025
• Study Start: January 1, 2017
• Primary Completion: August 1, 2020
• Study Completion: August 1, 2020
• Last Updated: July 31, 2025

Record last verified: 2025-07

Data Sharing

• IPD Sharing: Will share
• Shared Documents: STUDY PROTOCOL
• Time Frame: After the end of study for one year.
• Access Criteria: The data will be available upon a reasonable request from the corresponding author.

Locations

EG (1)