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Comparison of Different Ventilation Modes for Reducing Kidney Motion During Retrograde Intrarenal Surgery

NCT07705646 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 80

Last updated 2026-07-15

No results posted yet for this study

Summary

This randomized clinical trial will compare four ventilation strategies during retrograde intrarenal surgery performed under general anesthesia. The study aims to determine whether reducing respiratory-related kidney movement improves surgical success and decreases perioperative complications. Eighty adult patients will be randomly assigned to standard ventilation, hypoventilation, intermittent apnea ventilation, or one-lung ventilation. Surgical outcomes and perioperative complications will be compared between groups.

Conditions

  • Kidney Stones
  • Nephrolithiasis

Interventions

PROCEDURE

Hypoventilation

Volume-controlled mechanical ventilation using reduced tidal volume and respiratory rate during general anesthesia.

PROCEDURE

Intermittent Apnea Ventilation

Intermittent apnea periods applied during selected stages of retrograde intrarenal surgery to reduce kidney motion.

PROCEDURE

One-Lung Ventilation

One-lung ventilation applied during selected stages of retrograde intrarenal surgery to reduce kidney motion.

PROCEDURE

Standard Ventilation

Volume-controlled mechanical ventilation using standard ventilator settings during general anesthesia.

Sponsors & Collaborators

  • Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey

    lead OTHER

Principal Investigators

  • Tuna Ertürk, MD · University of Health Sciences Sultan 2. Abdulhamid Han Training and Research Hospital

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
75 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-07-15
Primary Completion
2026-11-15
Completion
2026-11-30

Countries

  • Turkey (Türkiye)

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07705646 on ClinicalTrials.gov