BackgroundOsteoarthritis (OA) is a degenerative disease that can lead to painful and dysfunctional joints. Prolotherapy involves using injections to produce functional restoration of the soft tissues of the joint. Intra-articular injections are controversial because of the introduction of needles into the articular capsule.ObjectivesTo compare the effect of periarticular versus intra-articular prolotherapy on pain and disability in patients with knee OA.Study designRandomized double-blind controlled clinical trial.SettingSingle center, university hospital (Imam Hossein Hospital, Tehran, Iran).MethodsA total of 104 patients with chronic knee OA were enrolled. In the intra-articular group, 8 mL of 10% dextrose and 2 mL of 2% lidocaine were injected. Injections were repeated at 1 and 2 weeks after the first injection. In the periarticular group, 5 mL of 20% dextrose and 5 mL of 1% lidocaine were injected subcutaneously at 4 points in the periarticular area. Pain and disability, as assessed using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), were recorded at each follow-up visit at 1, 2, 3, 4, and 5 months post-injection.ResultsThe visual analog scale score was significantly lower in the periarticular compared with the intra-articular group at the 2-, 3-, 4-, and 5-month visits but not at 1 month. Morning stiffness and difficulty in rising from sitting were improved in both groups and were not signifi-cantly different in the peri- and intra-articular groups. Pain, joint locking, and limitation scores were all improved in both groups. Difficulty in walking on flat surfaces or climbing stairs, and sitting and standing pain, were all improved in both groups from 1 to 5 months after treatment.LimitationsWOMAC scores are subjective and could be a limitation of the study.ConclusionPeriarticular prolotherapy has comparable effects on pain and disability due to knee OA to intra-articular injections, while avoiding risks of complications.
BackgroundKnee osteoarthritis (KOA) is the most prevailing form of joint disease. Despite the importance of minimally invasive therapeutic methods of KOA, there is a lack of evidence to compare intraarticular hyaluronic acid injection vs traditional dextrose prolotherapy.ObjectiveThe aim was to compare the therapeutic effects of prolotherapy with hypertonic dextrose vs hyaluronic acid on function and pain in KOA cases.Materials and methodsOne hundred and four KOA patients were enrolled and randomly assigned into two groups, each containing 52 patients. The hyaluronic acid (HA) group were treated by 2.5 mL of hyaluronic acid intraarticulary, and the hypertonic dextrose (HD) group received 10 mL of 12.5% dextrose periarticulary. Injections were repeated three times with 1-week intervals. Pain intensity, measured by visual analog scale, and knee function, scaled by the Western Ontario and McMaster university arthritis index scores were compared between the two groups before and 3 months after intervention. Pain and function of the knee improved significantly (P<0.001) in all patients. However, significantly more symptom relief was found in the HA over the HD group. Prolotherapy with hypertonic dextrose and intraarticular injection of hyaluronic acid results in the same pain reduction and symptom relief as a noninvasive therapeutic method of KOA.ConclusionThese results recommended intraarticular hyaluronic acid rather than prolotherapy by hypertonic dextrose for KOA symptoms relief.
Background: Knee osteoarthritis (KOA) is the most common cause of chronic knee pain, and disability and different modalities have been used to improve pain and function. Botulinum toxin intra-articular injection is proposed to manage resistant joint pains. Objectives: This study was carried out to compare therapeutic effects of intra-articular botulinum neurotoxin (BTX) versus physical therapy (PT) in KOA. Methods: In this single-blind randomized clinical trial, patients with KOA attending to Imam-Reza Hospital, Tehran, Iran, from June 2018 to March 2019 were enrolled. Patients who met the inclusion criteria were randomly divided into BTX receiving a single intra-articular dose of 100 units (250 units from disport brand) and PT groups. The study was described for patients, and informed consent forms were received. For assessment of the pain and related severity, the VAS score and KOOS scales were used. Post-intervention assessment was done 1, 3, and 6 months after the intervention. The level of significance was set at α = 0.05. All data analyses were performed with SPSS version 26 for windows. Results: In this study, 50 patients were randomly divided into BTX and PT groups. All patients completed the study, and there was no loss to follow-up. There was no significant difference between demographic data of the two groups, including age and BMI. The VAS score was similar in the two groups at the beginning. KOOS subscales were not significantly different, but the quality of life was better in the BTX than the PT group (86.2 ± 15 vs. 72.1 ± 11.5, P < 0.001). One month after the intervention, all KOOS subscales were improved in the BTX group in comparison to the PT group (P < 0.001). This difference was statistically significant in the 3rd (P < 0.001 in all comparisons except Sport/Rec subscale in which P = 0.02) and 6th months (P < 0.001) after the intervention, and the improvement in all KOOS subscales and VAS score were higher in the BTX group than the PT group. The trend of KOOS subscales and VAS score was improved over time in the BTX (P < 0.001 in all tests), but the PT group showed no improvement (P > 0.05) except for Sport/Rec and VAS score (P < 0.001). Conclusions: Totally, it is concluded that the use of BTX can reduce pain and improve the function and quality of life in patients with KOA.
Background/Objective: Rotator cuff tendinopathy is a common cause of shoulder pain. We aimed to compare periarticular (neurofascial) dextrose prolotherapy versus physiotherapy for treatment of chronic rotator cuff tendinopathy in the short term. Methods:We carried out a randomized clinical trial with 2 arms at a university hospital. In total, 66 patients with chronic rotator cuff tendinopathy, proven by magnetic resonance imaging, were randomly allocated to 2 groups. The outcomes were change in shoulder pain intensity (primary) and disability (secondary) index using a questionnaire for Shoulder Pain and Disability Index. For physiotherapy, participants received superficial heat, transcutaneous electrical nerve stimulation, and pulsed ultrasound. Also, they carried out an exercise program, 10 sessions of 30 minutes for 3 weeks. For prolotherapy, we used 8 mL of 12.5% dextrose and 40 mg of 2% lidocaine. The mixture was injected 2 times with 1-week interval superficially around the shoulder joint and to tender points along the suprascapular nerve.Results: Neurofascial dextrose was more effective than physiotherapy for alleviating pain in 2 weeks (p < 0.001), and they were similar 3 months after the interventions (p = 0.055). For disability, dextrose was more effective than physiotherapy 2 weeks and 3 months (both p < 0.001) after the interventions. However, the changes in the physiotherapy group seemed to be more sustained.Conclusions: Both interventions are effective for the short-term management of rotator cuff tendinopathy. However, prolotherapy is more successful as the initial treatment. Besides, the treatment time is much shorter for dextrose prolotherapy compared with physiotherapy.
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