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Physical Therapy Research Paper

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Does physical therapy have similar or better outcomes as total knee arthroplasty for knee osteoarthritis relief?

Aaron Eichsteadt SPT

Abstract: Background: Osteoarthritis(OA) is a degenerative joint disease that is becoming a more common issue in today’s society, with knee OA being the most common. This increase in prevalence of knee OA can be attributed to many factors including: obesity, overuse, age and genetics. Since there is an increase in prevalence, there are different methods people choose to treat or relieve symptoms that are associated with knee OA including, pharmaceuticals, braces, physical therapy, and surgery. Surgeries are becoming more common due to the aging population and the increase in obesity rates throughout the country. …show more content…

A study conducted by Deyle et al.7 took 83 patients approximately 60 years old with osteoarthritis in the knee and split them into a treatment group and control group. The treatment group received manual physical therapy, which consisted of stretching, ROM, and strengthening exercises, while the placebo group was given a non-therapeutic amount of ultrasound. Participants were required to attend physical therapy appointments twice a week for four weeks. Data was collected at baseline, four weeks, and eight weeks using a six-minute walk test, and the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) as outcome measures. Participants in the treatment group saw both clinical and significant differences in their WOMAC scores and the six-minute walk test at the eight-week time period. This study demonstrates that participating in physical therapy can help manage OA symptoms in the knee.7 Another study conducted by Palmer et al.11 looked at the intervention of transcutaneous electrical nerve stimulation (TENS) to see if it relieved symptoms of knee OA. Even though the main purpose of this study was looking at the TENS therapy, the control group was given a six- week physical therapy exercise program. The study also used the WOMAC scale and the control group actually showed improvements .11 The knee group had 41.6% of its participants reaching …show more content…

The WOMAC is a self-assessment tool for pain, stiffness, and physical function in the knee 10.There are 24 total items in the WOMAC with 5 items in the pain category, 2 items in stiffness category, and 17 items in the physical function category.10 It has mainly been used in studies for people with knee and hip OA.10 People who take the questionnaire can do so in person, by phone, or online and takes 12 minutes to complete, which makes it a versatile tool to use in a study.10 Higher scores on the WOMAC are associated with “worse pain, stiffness, and functional limitations”.10 According to the Swedish Knee Arthroplasty Registry, the test- retest intraclass correlation (ICC) reliability of the WOMAC was .95 for pain, .9 for stiffness, and .92 for function.10,12 While ICC’s vary for the WOMAC, they “generally meet the minimum standard” and have been used for “almost 30 years” in various studies and settings.10 Validity for the WOMAC was also satisfactory from studies that compared satisfaction of patients TKRs to their WOMAC scores.13 A study was conducted to determine if the patients’ satisfaction of their TKR was comparable to their WOMAC scores.13 According to the study, the Spearman correlation coefficient between the patients’ satisfaction and the WOMAC scores were .61 at 12 weeks and .64 at one-year post surgery.13 These

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