Status:

RECRUITING

Heart Rate Variability as a Predictor of Rebound Pain Following Total Knee Arthroplasty

Lead Sponsor:

Konya City Hospital

Conditions:

Rebound Pain

Total Knee Arthroplasty

Eligibility:

All Genders

18-70 years

Brief Summary

This study aims to investigate whether heart rate variability (HRV), a marker of autonomic nervous system activity, can predict the occurrence of rebound pain after total knee arthroplasty (TKA). Rebo...

Eligibility Criteria

Inclusion

  • Age between 18 and 70 years
  • American Society of Anesthesiologists (ASA) physical status I-III
  • Scheduled for elective, unilateral total knee arthroplasty under spinal anesthesia
  • Planned use of multimodal analgesia including peripheral nerve blocks
  • Ability to provide written informed consent
  • Ability to understand and complete pain diaries and questionnaires

Exclusion

  • Known allergy to local anesthetics
  • Contraindications to regional anesthesia
  • Contraindications to spinal anesthesia
  • ASA physical status IV or higher
  • Pregnancy or breastfeeding
  • Neurological or psychiatric disorders impairing ability to participate or report outcomes
  • Use of anticoagulant therapy or presence of coagulation disorders
  • Infection at the proposed injection site
  • Emergency (non-elective) surgical procedures

Key Trial Info

Start Date :

May 20 2025

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

December 25 2025

Estimated Enrollment :

112 Patients enrolled

Trial Details

Trial ID

NCT06977191

Start Date

May 20 2025

End Date

December 25 2025

Last Update

May 22 2025

Active Locations (1)

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Konya City Hospital

Konya, Turkey (Türkiye), 42090