Effect of Emotional Freedom Technique on Postoperative Pain and Anxiety in Patients Undergoing Total Knee Replacement

December 5, 2025 updated by: Pınar Tanrıver, Ataturk University

The purpose of the present study was to examine the effects of the Emotional Freedom Technique on pain and anxiety in the postoperative period of patients who underwent total knee arthroplasty.

Research Hypotheses H1: Emotional freedom technique reduces postoperative pain level in patients undergoing total knee arthroplasty.

H2: Emotional freedom technique reduces postoperative anxiety level in patients undergoing total knee arthroplasty.

Study Overview

Status

Completed

Detailed Description

One day before the surgery the patients in both groups will interviewed and the Patient Descriptive Data Form, Visual Analog Scale (VAS) Pain, and State Anxiety Inventory (SAI) will applied. Then, information will given to the experimental group about EFT and the patients' questions will answered. On the first postoperative day between 18.00 and 20.00 the patients in both groups will interviewed to collect the pretest data and VAS Pain, SAI, and Subjective Unit of Experience Scale (SUE) will applied. Then, the EFT steps will explained and demonstrated to the experimental group and a session of EFT will applied. After the EFT, the SUE Scale will re-evaluated without any break. On the second postoperative day between 18.00 and 20.00 the patients in both groups will interviewed again, and the SUE Scale will evaluated. Then, a session of the EFT will applied to the experimental group. After the EFT, VAS Pain, SAI, and SUE will re-applied without any break for post-test data. In the control group VAS Pain, SAI, and SUE will re-applied for post-test data on the second postoperative day between 18.00 and 20.00.

Study Type

Interventional

Enrollment (Actual)

80

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Yakutiye
      • Erzurum, Yakutiye, Turkey (Türkiye), 25240
        • Ataturk University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Study Population

All patients aged 18 and over, who will undergo planned total knee replacement surgery, who are willing to participate in the study and who meet the inclusion criteria, will be included in the study.

Description

Inclusion Criteria:

  1. Elective patients undergoing total knee replacement surgery for the first time,
  2. Volunteer to participate in the research,
  3. 18 years and over,
  4. Cognitive level scales are suitable for application,
  5. Having no vision, hearing, or speech problems that would prevent communication,
  6. Patients who do not have any other disease causing pain and anxiety

Exclusion Criteria:

  1. EFT was applied before,
  2. If any complication develops within 3 days before, during, or after the operation,
  3. Patients with health problems (fever, infection, deep vein thrombosis, etc.) that prevent the application of the Emotional Freedom Technique were not included in the study.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Supportive Care
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Experimental group
EFT will applied to the patients in the experimental group on the 1st and 2nd days after surgery.
EFT is an energy psychology intervention that utilizes cognitive behavioral therapy, exposure therapy, and acupuncture points to create psychological and physical changes in individuals. It is also referred to as "acupuncture without needles" or an emotional form of acupressure.
No Intervention: Control Group
Patients in the control group will received no treatment other than the clinic's routine patient care.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
anxiety level
Time Frame: Post-operative 1st and 2nd day
On the postoperative 1st day and 2nd day, patient's anxiety status will evaluated with State Anxiety Inventory (SAI)
Post-operative 1st and 2nd day
pain level
Time Frame: Post-operative 1st and 2nd day
On the postoperative 1st day and 2nd day, patient's pain status will evaluated with Visual Analog Scale (VAS).
Post-operative 1st and 2nd day

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Dilek Gürçayır, Ataturk Univesity
  • Principal Investigator: Dilek Gürçayır, Ataturk University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

March 7, 2022

Primary Completion (Actual)

September 15, 2022

Study Completion (Actual)

January 2, 2023

Study Registration Dates

First Submitted

September 13, 2022

First Submitted That Met QC Criteria

September 13, 2022

First Posted (Actual)

September 15, 2022

Study Record Updates

Last Update Posted (Actual)

December 12, 2025

Last Update Submitted That Met QC Criteria

December 5, 2025

Last Verified

December 1, 2025

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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