Ultra-mini PCNL versus flexible ureterorenoscopy: Evaluation of outcome, perioperative complications and analgetic consumption for the treatment of patients with kidney stones

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00007478

Enrollment

Registered

2014-11-12

Start date

2014-11-17

Completion date

Unknown

Last updated

2026-06-22

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

Conditions

N20

Interventions

Group 1: Chart Review of patients who underwent Ultra-Mini-PCNL for the treatment of nephrolithiasis. Assessed parameters are perioperative complications, analgesic consumption, outcome and patient sa

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: Treatment for Nephrolithiasis with either Ultra-Mini-PCNL or retrograde intrarenal surgery

Exclusion criteria

Exclusion criteria: Patients without treatment of nephrolithiasis

Design outcomes

Primary

Measure	Time frame
Stone free rate: absence of clinical significant residual fragments > 4mm assessed by ultrasound or low-dose CT	—

Secondary

Measure	Time frame
Complications (modified Clavien score), Perioperative analgetic consumption (assessed with "Cumultaive analgesic consumption score"), Patient satisfaction (assessed with the "Freiburg Index of Patient Satisfaction" = FIPS)	—

Countries

Germany

Contacts

Public ContactKonrad Wilhelm

Universtitätsklinikum FreiburgDepartment ChirurgieKlinik für Urologie

konrad.wilhelm@uniklinik-freiburg.de0761-27028930

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Jun 27, 2026