Pain Clinical Trial
Official title:
Does Edema After Knee Arthroplasty Affect the Adjustment of TENS Amplitude
The goal of this pre-post clinical trial is to compare the amplitude settings of three different frequency TENS modes (Conventional TENS, LF TENS, HF TENS) in patients who had undergone total knee arthroplasty, both with the preoperative state and with the contralateral knee. The main question it aims to answer is: Can the electrical resistance of edematous tissue be affected and change the TENS amplitude setting? Participants will be evaluated before and after surgery. For each TENS modulation the amplitude at which tingling is felt, the current is clearly felt, and is maximum tolerated and/or muscle contraction occurred, will be documented. TENS amplitudes for all three TENS modes will be compared, both with the preoperative state and with the contralateral knee.
Status | Recruiting |
Enrollment | 125 |
Est. completion date | September 30, 2024 |
Est. primary completion date | September 30, 2024 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 40 Years and older |
Eligibility | 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) |
Country | Name | City | State |
---|---|---|---|
Turkey | Karaman Training and Research Hospital | Karaman |
Lead Sponsor | Collaborator |
---|---|
Karamanoglu Mehmetbey University | Karaman Training and Research Hospital |
Turkey,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The difference in amplitudes of the conventional TENS mode between pre- and post-arthroplasty measurements | Univariate statistical analyses will be performed to calculate differences in amplitudes of the conventional TENS mode between pre- and post-arthroplasty measurements on both knees and between knees | 2-3 days | |
Primary | The difference in amplitudes of the high frequency TENS mode between pre- and post-arthroplasty measurements | Univariate statistical analyses will be performed to calculate differences in amplitudes of the high frequency TENS mode between pre- and post-arthroplasty measurements on both knees and between knees | 2-3 days | |
Primary | The difference in amplitudes of the low frequency TENS mode between pre- and post-arthroplasty measurements | Univariate statistical analyses will be performed to calculate differences in amplitudes of the low frequency TENS mode between pre- and post-arthroplasty measurements on both knees and between knees | 2-3 days | |
Secondary | The effect of the amount of edema on the amplitudes of TENS modes | Primary study results found to be significant in univariate analysis will be checked for correlation with the amount of edema in the operated knee | 2-3 days | |
Secondary | The effect of the type of anesthesia applied on the amplitudes of TENS modes | Primary study results found to be significant in univariate analysis will be tested with post-hoc analysis whether the type of anesthesia applied has any effect | 203 days |
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