This randomized, placebo-controlled, double-blind study was designed to investigate the short-term efficacy of ultrasound therapy in 90 patients with knee osteoarthritis (OA). Patients were randomly assigned to three groups: group 1 received continuous ultrasound, group 2 received pulsed ultrasound, and group 3 received a 'sham' (placebo) ultrasound for 5 min each session. All treatments were applied once a day for 5 days a week for 2 weeks, i.e. a total treatment duration of 10 days. Compared with baseline, significant improvements were observed in the visual analogue scale pain scores and the Western Ontario and McMaster Universities osteoarthritis index (WOMAC) scores in all three groups. The reductions in pain and WOMAC scores were significantly higher in patients treated with pulsed ultrasound than in the placebo group. In conclusion, pulsed ultrasound therapy is a safe and effective treatment modality in patients with knee OA. Further research is required to investigate the long-term efficacy of pulsed ultrasound therapy in knee OA.
We introduce a "double direct templating" method for obtaining hollow microspheres with periodically nanostructured walls. Silica or polystyrene colloids are dispersed in a self-assembled hexagonal lyotropic liquid crystal containing precursors for ZnS. The semiconductor ZnS mineralizes on the surface of the colloid, expressing a pore morphology that is a copy of the structure of the liquid crystal. After etching of the sacrificial colloids, hollow capsules with templated and uniform mesoporous shells are obtained.
Our study demonstrates the potential benefits of EMG biofeedback in conjunction with neurophysiologic rehabilitation technique to maximize the hand function in hemiplegic patients.
Objective: The aim of this randomized controlled study was to evaluate the efficacy of oral native type II collagen treatment on the symptoms and biological markers of cartilage degradation, when given concomitantly with acetaminophen in patients with knee osteoarthritis. Materials and Methods:Thirty-nine patients diagnosed with knee osteoarthritis were included and randomly distributed into two groups: one treated with 1500 mg/day of acetaminophen (group AC; n=19) and the other treated with 1500 mg/day of acetaminophen plus 10 mg/day of native type II collagen (group AC+CII; n=20) for 3 months. Visual Analogue Scale (VAS) at rest and during walking, Western Ontario McMaster (WOMAC) pain, WOMAC function, and Short Form-36 (SF-36) scores, were recorded. Coll2-1, Coll2-1NO2 and Fibulin-3 levels were quantified in urine as biomarkers of disease progression. ClinicalTrials.gov: NCT02237989.Results: After 3 months of treatment, significant improvements compared to baseline were reported in joint pain (VAS walking), function (WOMAC) and quality of life (SF-36) in the AC+CII group, while only improvements in some subscales of the SF-36 survey and VAS walking were detected in the AC group. Comparisons between the groups revealed a significant difference in VAS walking score in favour of the AC+CII group as compared to AC group. Biochemical markers of cartilage degradation in urine did not significantly improve in any of the groups. Conclusion:All in all, these results suggest that native type II collagen treatment combined with acetaminophen is superior to only acetaminophen for symptomatic treatment of patients with knee osteoarthritis.
OBJECTIVE:The aim of this placebo-controlled study was to evaluate the effects of pulsed and continuous ultrasound treatments combined with splint therapy on patients with mild and moderate idiopathic carpal tunnel syndrome.METHODS:The study included 46 carpal tunnel syndrome patients who were randomly divided into 3 groups. The first group (n = 15) received a 0 W/cm2 ultrasound treatment (placebo); the second group (n = 16) received a 1.0 W/cm2 continuous ultrasound treatment and the third group (n = 15) received a 1.0 W/cm2 1:4 pulsed ultrasound treatment 5 days a week for a total of 15 sessions. All patients also wore night splints during treatment period. Pre-treatment and post-treatment Visual Analogue Scale, Symptom Severity Scale and Functional Status Scale scores, median nerve motor conduction velocity and distal latency and sensory conduction velocities of the median nerve in the 2nd finger and palm were compared. Clinicaltrials.gov: NCT02054247.RESULTS:There were significant improvements in all groups in terms of the post-treatment Functional Status Scale score (p<0.05 for all groups), Symptom Severity Scale score (first group: p<0.05, second group: p<0.01, third group: p<0.001) and Visual Analogue Scale score (first and third groups: p<0.01, second group: p<0.001). Sensory conduction velocities improved in the second and third groups (p<0.01). Distal latency in the 2nd finger showed improvement only in the third group (p<0.01) and action potential latency in the palm improved only in the second group (p<0.05).CONCLUSION:The results of this study suggest that splinting therapy combined with placebo and pulsed or continuous ultrasound have similar effects on clinical improvement. Patients treated with continuous and pulsed ultrasound showed electrophysiological improvement; however, the results were not superior to those of the placebo.
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