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Irawan, Tannia Rizkyka, Muhayani, Gustin Fat’aah (2024) The Effect of TENS and Ultrasound
Diathermy on Osteoarthritis Patients in Physical Medicine and Rehabilitation Unit of Patut Patuh
Patju Hospital, West Nusa Tenggara, (06) 10,
E-ISSN:
2684-883X
THE EFFECT OF TENS AND ULTRASOUND DIATHERMY ON
OSTEOARTHRITIS PATIENTS IN PHYSICAL MEDICINE AND
REHABILITATION UNIT OF PATUT PATUH PATJU HOSPITAL, WEST NUSA
TENGGARA
Irawan, Tannia Rizkyka, Muhayani, Gustin Fat’aah
Patut Patuh Patju General Hospital, Indonesia
Abstract
Osteoarthritis is generally recognized as a common musculoskeletal condition in Indonesia,
characterized by the degeneration of joint cartilage and narrowing of the joint space. The form
of therapy that can be given to knee OA patients is a combination of TENS therapy and
ultrasound diathermy (USD). WOMAC is an index used to measure osteoarthritis patiens
based on pain, stiffness, and physical function. Patut Patuh Patju General Hospital is the only
hospital in West Lombok district where physical medicine and medical rehabilitation have
recently been introduced. This research aims to determine the effects of administering TENS
and ultra sound diathermy on OA patients in the physical medicine and rehabilitation unit of
Patut Patuh Patju Hospital, a newly established district hospital in NTB, which has been
operational for the past year. This type of research uses a pre-experimental design with a one
group pretest-posttest method. Sampling was taken using a purposive sampling technique
with a total sample of 30. The research population was knee osteoartritis patients undergoing
physiotherapy treatment at the Medical Rehabilitation Unit of Patut Patuh Patju General
Hospital. Data was collected using the WOMAC questionnaire before and after 6 until 8 times
therapy. The distribution of research data was analyzed using the Shapiro-Wilk test. If the
data distribution is normal, it is analyzed using the paired t-test, whereas if it is not normal, it
is analyzed using the Wilcoxon test. The combination of TENS therapy and ultra sound
diathermy results in improvement of WOMAC scores in knee osteoarthritis patients with p-
value = 0.000 (p < 0.05).
Keywords: Osteoarthritis, TENS, Ultra-sound diathermy, WOMAC.
INTRODUCTION
Osteoarthritis (OA) is a degenerative joint disorder that leads to joint dysfunction
characterized by pain and limited range of motion, which in turn reduces physical activity and
diminishes quality of life. This condition significantly contributes to the global burden of
disease. Early diagnosis of knee OA is crucial for implementing effective treatments before
the condition progresses to severe, irreversible stages (Allen, Thoma, & Golightly, 2022;
Kanamoto et al., 2020) (TERZİ & ALTIN, 2017).
Consequently, there has been a growing global focus on defining early OA and
developing new treatment strategies (Allen et al., 2022; Kanamoto et al., 2020). The
prevalence of OA can vary widely depending on factors such as age, sex, and geographical
JOURNAL SYNTAX IDEA
pISSN: 2723-4339 e-ISSN: 2548-1398
Vol. 6, No. 10, Oktober 2024
Irawan, Tannia Rizkyka, Muhayani, Gustin Fat’aah
6176 Syntax Idea, Vol. 6, No. 10, Oktober 2024
location within a country (Allen et al., 2022; Kanamoto et al., 2020). The number of OA cases
in 2019 increased by 153.12% in males and 143.36% in females compared to 1990. This
represents more than a doubling of OA cases in both sexes over the same period. The rising
incidence of OA in Indonesia mirrors global trends but at a higher rate, with a 147.44%
increase in Indonesia compared to a 113.25% global increase from 1990 to 2019 (Jiang,
2022).
The pathogenesis of worsening osteoarthritis is complex and involves several factors,
with key elements including chondrocyte regulation within the extracellular matrix, genetic
influences, local mechanical factors, and inflammation. Joint degeneration leading to the
clinical syndrome of osteoarthritis most commonly occurs in the knee, hip, hands, feet, and
spine (Butarbutar, Basuki, Sungono, Riantho, & Fidiasrianto, 2024).
Of the 344 million people living with osteoarthritis, a significant proportion experience
moderate to severe severity levels requiring rehabilitation. With an aging population and
rising rates of obesity and injuries, the prevalence of osteoarthritis is expected to continue
increasing globally (Butarbutar et al., 2024; Holden et al., 2023).
Prevalence of Joint Diseases Based on RISKESDAS 2018, West Nusa Tenggara
Province, generally NTB province has a prevalence of 5.03%, with West Lombok at 6.42%.
The majority are females (62%), with the highest prevalence observed among farmers and
fishermen at 7-7.4% (Holden et al., 2023).
Damage to the structure of the knee and its manifestations causes a person with
knee osteoarthritis to experience difficulty in carrying out daily activities, which may have an
impact on their quality of life (Holden et al., 2023).
The Western Ontario and McMaster Osteoarthritis Index (WOMAC) is a widely used
disease-specific questionnaire designed for patients with knee and hip arthritis. It was
originally developed to assess clinically significant, patient-relevant changes in health status
and to evaluate therapeutic outcomes following interventions (Laporan Nasional Riskesdas
2018, 2020).
Based on the considerations and the absence of prior research on osteoarthritis in NTB
in general and specifically in Lombok Barat, the author intends to conduct a study about the
physical medicine and rehabilitation approach on osteoarthritis. This research also aims to
assess the The Effect of TENS and Ultrasound Diathermy on Osteoarthritis Patients in
Physical Medicine and Rehabilitation Unit of Patut Patuh Patju Hospital, West Nusa
Tenggara.
RESEARCH METHOD
This type of research uses a pre-experimental design with a one group pretest-posttest
method (Seltman, 2012). Sampling was taken using a purposive sampling technique with a
total sample of 30. The research population was knee osteoartritis patients undergoing
physiotherapy treatment at the Medical Rehabilitation Unit of Patut Patuh Patju General
Hospital (Leardi, 2009). Data was collected using the WOMAC questionnaire before, after 6
until 8 times therapy.
Inclusion Criteria
1. Patients with knee osteoarthritis (OA) in the Medical Rehabilitation Clinic confirmed by
Orthopedic Specialist and Physical Medicine and Rehabilitation Specialist.
2. Respondents who have undergone therapy ≤ 3 times.
3. Have OA grade 1, 2, or 3 based on radiological examination using the Kellgren-Lawrence
classification system.
The Effect of TENS and Ultrasound Diathermy on Osteoarthritis Patients in Physical
Medicine and Rehabilitation Unit of Patut Patuh Patju Hospital, West Nusa Tenggara
Syntax Idea, Vol. 6, No. 19, Oktober 2024 6177
4. Respondents willing to participate and have signed the consent form.
Exclusion Criteria
1. Received physiotherapy treatment within the last 1 month prior to the study (washout
period).
2. History of intra-articular injection therapy or total knee arthroplasty.
3. Have neurological disorders such as paralysis or stroke.
RESULT AND DISCUSSION
Table 1 Paired Samples Statistics
Mean
N
Std. Deviation
Pair 1
Before
47.5667
30
2.31462
After
23.6333
30
4.06400
On the table above, the observed difference shows a decrease in the mean WOMAC
score from 47.5 before treatment to 23.63 after treatment. The significance value of 0.000 <
0.05 indicate that the null hypothesis (Ho) is rejected.
ANOVA was used to determine whether there were significant differences among the
three treatments, followed by post hoc tests to identify which treatment had the most impact
on WOMAC. The significance value of 0.000 < 0.05 indicates that there are differences
among the three treatments. Subsequent post hoc tests were performed to determine which
treatment had the most influence after treatment.
Figure 2. Diagram Pre-and Post-Treatment
From the table above, it is evident that there is a difference in the mean data between
pre- and post-treatment. Based on the data obtained before and after treatment, it is apparent
that improvement in physical activity is one of the factors where the majority of patients
experienced changes, as reflected in the improvement of WOMAC scores after treatment
(Wu, Zhu, Chen, & Zhang, 2022).
Based on the data analysis using the Wilcoxon test on the difference in WOMAC scores
before (T1) and after 6-8 therapy sessions (T2), it can be concluded that there is an effect of
the combination therapy of TENS and diathermy on improving WOMAC scores in knee
osteoarthritis patients after 6-8 therapy sessions.
Irawan, Tannia Rizkyka, Muhayani, Gustin Fat’aah
6178 Syntax Idea, Vol. 6, No. 10, Oktober 2024
Table 2 Characteristic samples.
Sex
Male
0
Female
30
Age
30-40
1
41-50
7
41-60
13
61-70
9
BMI
Underweight
0
Normal
2
Overweight
14
Obese I
11
Obese II
3
Occupation
Housewives
10
Market seller
6
Retired
5
Farmer
9
Kallgren-lawrence
I
1
II
13
III
16
Based on the sample characteristics, all respondents were female (100%), with the
largest age group being 41-60 years old (43%). Overweight BMI accounted for 46%, and the
most common occupations were housewives and farmers at 30%. The majority of respondents
had severe OA based on radiological findings, with 53% classified as grade 3 or higher (Ha,
Lee, Hong, & Lee, 2021).
Transcutaneous Electrical Nerve Stimulation (TENS) is one of the alternative therapies
used to alleviate chronic pain in osteoarthritis. Electric current generated by this device
stimulates nerves through the skin. Antidromic TENS stimulation can block the transmission
of stimuli from nociceptors to the spinal cord. TENS also activates the autonomic nervous
system, triggering vasomotor responses that subsequently alter tissue chemistry to reduce pain
(Shalhoub et al., 2022).
Diathermy is also widely used in managing various musculoskeletal issues, including
osteoarthritis. It raises tissue temperature, which can induce vasodilation, increase cellular
activity, raise pain thresholds, and reduce muscle spasms (Shalhoub et al., 2022).
The physical medicine and rehabilitation service in West Lombok was established in
2022 and has received positive reception from residents in the region. The introduction of
TENS and ultrasound diathermy is a new experience for some osteoarthritis (OA) patients in
West Lombok. The use of TENS and diathermy is commonly employed to alleviate pain and
stiffness in OA patients, as evidenced by research conducted by Shimoura et al., 2020, they
conducted a Randomized Control Trial involving 50 patients with mild osteoarthritis
(Kallgren-Lawrence grade 0 or 1) in Japan. They observed improvements in VAS scores,
Time Up and Go test, and 6-minute walk test (6MWT) in the group receiving TENS
compared to the placebo group (Ab Rahman, Narhari, Sharifudin, & Shokri, 2020)
The Effect of TENS and Ultrasound Diathermy on Osteoarthritis Patients in Physical
Medicine and Rehabilitation Unit of Patut Patuh Patju Hospital, West Nusa Tenggara
Syntax Idea, Vol. 6, No. 19, Oktober 2024 6179
Wu et al, 2021, conducted a systematic review and meta-analysis on twenty-nine studies
on MEDLINE, PubMed, and Cochrane. They found (1398 people, age range 54-85, 74% are
female) and coclude that TENS could significantly relieve pain, decrease dysfunction and
improve walking ability in people with Knee OA, but it is not effective for stiffness (Mintarjo,
Poerwanto, & Tedyanto, 2023)
Sin Ho et al., 2021 conducted a study to investigate selective region high-frequency
diathermy on pain, function, balance and gait in older patients with degenerative knee
osteoarthritis (DKO) (Iijima et al., 2020). The results of this study suggest that selective
region high-frequency diathermy at trigger points with therapeutic exercises is an an effective
intervention to decrease pain, improve knee function, balance and gait in patients with DKO.
The selective region high-frequency diathermy with therapeutic exercises may be feasible and
provide potential benefits for rehabilitation of DKO (Iijima et al., 2020).
Therefore, the combination therapy of TENS and diathermy can improve WOMAC
scores in patients with knee osteoarthritis. WOMAC scores encompass pain, stiffness, and
functional activity components. A lower WOMAC score indicates a reduction in the
complaints experienced by the patient due to osteoarthritis.
CONCLUSION
It is concluded that there is a significant difference in the mean WOMAC scores before
and after therapy, or there is a significant treatment effect on WOMAC scores. When
compared between groups, the factor of physical activity is the aspect where patients
experienced more improvement compared to other WOMAC points
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