Radiation Exposure during Flexible UreteroScopy - a prospective evaluation

Radiation Exposure during Flexible UreteroScopy - a prospective evaluation - REFUSE - Radiation Exposure during Flexible UreteroScopy

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00016617

Enrollment

300

Registered

2019-02-20

Start date

2016-11-29

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

N20

Interventions

Group 1: Retrospective Study arm (previous performed fURS): fURS (flexible ureteroscopy) for treatment of kidney stones. Group 2: Prospective study arm (fURS after surgeon X-ray briefing): fURS after

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: flexible ureteroscopy of kidney stone(s) with application of laserlithotripsy

Exclusion criteria

Exclusion criteria: Children, no performed laserlithotripsy, anomaly of the urinary tract

Design outcomes

Primary

Measure	Time frame
Fluoroscopy time, dose-area product - evaluated and display after fURS by the used X-ray machine.	—

Secondary

Measure	Time frame
Surgical outomce: Stone clearance, complications according to Clavien-Dindo	—

Countries

Austria, Germany

Contacts

Public ContactSimon Hein

Universitätsklinikum FreiburgDepartment ChirurgieKlilnik für Urologie

simon.hein@uniklinik-freiburg.de0761/270-25820 und 28930

Outcome results

None listed

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