The relationship between the numeric rating scale, as a subjective measure of postoperative pain, and the plasma levels of catecholamines

Not Applicable

Recruiting

• Conditions: Anaesthesiology - Pain management; acute postoperative pain

• Registration Number: ACTRN12610000454077
• Lead Sponsor: Thomas Ledowski

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2010-06-03
• Last Update Posted: 13 January 2020

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 85

Inclusion Criteria

age > 18, non-emergency minor surgery

Exclusion Criteria

age < 18, incapacity to consent, pacemaker, any drugs known or suspected to interact with sympathetic tone or haemodynamic parameters (e.g. ketamine, clonidine), chronic drug or alcohol abuse, continuous intravenous opioid infusion

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Correlation between acute postoperative pain and stress hormone plasma levels[during the stay of a patient in the recovery room (2-5 blood samples, see above)]

Secondary Outcome Measures

Name	Time	Method
Correlation between pain, hormone levels and parameters of heart rate variability, blood pressure and heart rate[hormone levels: 2-5 time points, see above<br>other parameters: approx. 5 minutely during recovery room stay]