parameters of nociceptive reflexes as predictors of persistent postoperative pai

• Conditions: R52.2; Other chronic pain

• Registration Number: DRKS00000063
• Lead Sponsor: Klinik für AnästhesiologieCharité - Universitätsmedizin BerlinCharitéplatz 110117 Berlin

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2009-01-07
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Recruiting withdrawn before recruiting started
• Sex: All
• Target Recruitment: 400

Inclusion Criteria

age >=18 years
- ability to give informed consent
- elective surgery with a risk of persistent postsurgical pain >= 10%

Exclusion Criteria

- lack of knowledge of the German language
- inability of fill in the psychometric questionnaires without help
- emergency surgery
- postoperative intensive care

Study & Design

• Study Type: observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
pain in the area of surgery after 6 months (telephone interview 6 months after surgery)

Secondary Outcome Measures

Name	Time	Method
- average pain intensity at rest and during movement in the week before the telephone interview 6 months after surgery<br><br>- average pain intensity at rest and during movement in the first 4 postoperative days (oral questioning at postoperative day 4)<br><br>- cumulative morphine consumption in the first 4 postoperative days (readout of the PCA pump)<br><br>- health-related quality of life (SF-36) 6 months postoperatively (SF-36 questionnaire)<br><br>- average pain intensity in the preceding week 3 and 12 months postoperatively (telephone interview)