Observational evaluation of three different intraoperative pain monitoring devices during general anaesthesia for knee arthroplasty compared to routine clinical parameters

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00037282

Enrollment

Registered

2025-07-21

Start date

2025-08-01

Completion date

Unknown

Last updated

2025-10-06

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

Conditions

Intraoperative pain

Interventions

Group 1: Device: qNOX Group 2: Device: ANI Group 3: Device: NOL

Eligibility

Sex/Gender

All

Age

18 Years to 100 Years

Inclusion criteria

Inclusion criteria: Knee arthroplasty in general anaesthesia

Exclusion criteria

Exclusion criteria: Pregnant and breastfeeding women; Refusal of the patient

Design outcomes

Primary

Measure	Time frame
Concordance of output of all three devices	—

Secondary

Measure	Time frame
Time between skin incision and maximal signal of pain monitoring devices; Plausibility of the different intraoperative pain monitoring devices in comparison to clinical parameters like blood pressure and heart rate; Correlation between signals of the pain monitoring devices and intervention by anaesthesiologist	—

Countries

Austria

Contacts

Public ContactClemens Kaderk

Medizinische Universiät Wien; Klinische Abteilung für Allgemeine Anästhesie und Intensivmedizin

clemens.kaderk@meduniwien.ac.at+4314040041020

Outcome results

None listed

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