Comparison of the effect of prolotherapy and paraffin wax for hand osteoarthritis

I. Ustun, S. Çağlar

University of Health Sciences Bakırkoy Dr. Sadi Konuk Training and Research Hospital Physical Medicine and Rehabilitation Clinic, Istanbul, Turkey. isil_altan@yahoo.com.tr

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• Physical Therapy

OBJECTIVE: Hand osteoarthritis (OA) is associated with considerable disability, especially in the elderly patient population. Paraffin wax (PW) and prolotherapy (P) are non-pharmacological treatment methods used in this setting. This study aimed to compare the therapeutic efficacy of P and PW in hand osteoarthritis.

PATIENTS AND METHODS: This study was designed as a single-center, randomized-controlled trial conducted at our Physical Medicine and Rehabilitation Clinic between February 2019 and July 2020. Patients with bilateral hand OA were divided into PW and P treatment groups. The PW group was treated 5 days per week for 2 weeks. The P group received an injection of dextrose solution into the ligaments of painful joints once weekly for three weeks. Visual analog scale (VAS), Duruoz Hand Index (DHI) scale, hand dynamometer for grip strength, and pinch meter for lateral pinch were used for baseline and post-treatment follow-up assessments.

RESULTS: Overall, 42 patients were included. The VAS scores significantly decreased in both PW and P groups (p=0.024 and p=0.014). Baseline and third-month post-treatment VAS scores did not significantly differ (p=0.581). The DHI scores improved significantly in both groups (p<0.001 and p<0.001), being higher in the P than in the PW group (p=0.042). Right- and left-hand grip strength increased significantly in PW and P groups (p<0.001, p=0.001; p=0.013, p=0.002, respectively).

CONCLUSIONS: Both treatment methods were effective regarding pain and grip strength; however, P improved the hand functions more significantly.

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