Investigating how edema affects TENS amplitude settings after knee surgery
Official title: Does Edema After Knee Arthroplasty Affect the Adjustment of TENS Amplitude
Run by Karamanoğlu Mehmetbey University · NCT06153277 · Data updated 2026-11-12
This study is testing how swelling affects the settings of a pain relief device called TENS in people who have just had knee surgery.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 40 Years and up |
| Sex | All |
| Enrollment | 125 (estimated) |
| Sponsor | Karamanoğlu Mehmetbey University Academic / other |
| Locations | 1 site (Karaman) |
| Status | Recruiting |
| Started | December 7, 2023 |
| Main results expected | December 2026 |
| Study ends | December 2026 |
| Registry record updated | August 5, 2026 |
| Trial ID | NCT06153277 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are individuals aged 40 and older undergoing unilateral total knee arthroplasty.
✕Probably not a fit
Patients with significant sensory impairments, excessive knee joint effusion, or contraindications for TENS will not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This observational study aims to compare the amplitude settings of three different frequency modes of Transcutaneous Electrical Nerve Stimulation (TENS) in patients who have undergone total knee arthroplasty. It evaluates the impact of edema on electrical resistance and how it may influence TENS amplitude adjustments. Participants will be assessed before and after surgery, with comparisons made between the preoperative state and the contralateral knee. The study seeks to enhance postoperative pain management by understanding the effects of edema on TENS application.
Why it matters
Potential benefit: If successful, this study could improve pain management strategies for patients recovering from knee surgery.
How similar studies have gone: While TENS is widely used for pain management, this specific investigation into the effects of edema on TENS amplitude settings is relatively novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Age ≥ 40 years * Patients undergoing unilateral total knee arthroplasty Exclusion Criteria: * Patients with scars in any of both knee areas * Patients who have previously had surgery on the control leg * Patients undergoing surgery due to trauma or cancer * Patients with sensory impairments * Patients with excessive effusion and edema in the knee joints before the surgery (eg. Inflammatory arthropathy, gonarthrosis exacerbation, etc.) * Mental impairment, or poor general health status that would interfere with assessments during TENS application. * Any contraindication for TENS (allergy to the TENS electrodes, skin conditions or skin sensation impairment in the areas where the electrodes will be placed, pacemaker or other implanted electrical device, epilepsy, pregnancy)
Where it's running
-
Karaman Training and Research Hospital
Karaman, Turkey (Türkiye) Recruiting
Study contacts
- Principal investigator: Aynur Basaran, MD,Prof — Karaman Training and Research Hospital
- Study coordinator: Aynur Basaran, MD, Prof
- Email: aynurbasaran@gmail.com
- Phone: +90 338 226 3225
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.