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Acute rotator cuff tendinopathy: does ice, low load isometric exercise, or a combination of the two produce an analgaesic effect?
Parle, PJ, Riddiford-Harland, DL, Howitt, CD, Lewis, JS
British journal of sports medicine. 2017;(3):208-209
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Isometric Contractions Are More Analgesic Than Isotonic Contractions for Patellar Tendon Pain: An In-Season Randomized Clinical Trial.
Rio, E, van Ark, M, Docking, S, Moseley, GL, Kidgell, D, Gaida, JE, van den Akker-Scheek, I, Zwerver, J, Cook, J
Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine. 2017;(3):253-259
Abstract
OBJECTIVE This study aimed to compare the immediate analgesic effects of 2 resistance programs in in-season athletes with patellar tendinopathy (PT). Resistance training is noninvasive, a principle stimulus for corticospinal and neuromuscular adaptation, and may be analgesic. DESIGN Within-season randomized clinical trial. Data analysis was conducted blinded to group. SETTING Subelite volleyball and basketball competitions. PARTICIPANTS Twenty jumping athletes aged more than 16 years, participating in games/trainings 3 times per week with clinically diagnosed PT. INTERVENTIONS Two quadriceps resistance protocols were compared; (1) isometric leg extension holds at 60 degrees knee flexion (80% of their maximal voluntary isometric contraction) or (2) isotonic leg extension (at 80% of their 8 repetition maximum) 4 times per week for 4 weeks. Time under load and rest between sets was matched between groups. MAIN OUTCOME MEASURES (1) Pain (0-10 numerical rating score) during single leg decline squat (SLDS), measured preintervention and postintervention sessions. (2) VISA-P, a questionnaire about tendon pain and function, completed at baseline and after 4 weeks. RESULTS Twenty athletes with PT (18 men, mean 22.5 ± 4.7 years) participated (isotonic n = 10, isometric n = 10). Baseline median SLDS pain was 5/10 for both groups (isotonic range 1-8, isometric range 2-8). Isometric contractions produced significantly greater immediate analgesia (P < 0.002). Week one analgesic response positively correlated with improvements in VISA-P at 4 weeks (r = 0.64). CONCLUSIONS Both protocols appear efficacious for in-season athletes to reduce pain, however, isometric contractions demonstrated significantly greater immediate analgesia throughout the 4-week trial. Greater analgesia may increase the ability to load or perform.
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Isometric exercise induces analgesia and reduces inhibition in patellar tendinopathy.
Rio, E, Kidgell, D, Purdam, C, Gaida, J, Moseley, GL, Pearce, AJ, Cook, J
British journal of sports medicine. 2015;(19):1277-83
Abstract
BACKGROUND Few interventions reduce patellar tendinopathy (PT) pain in the short term. Eccentric exercises are painful and have limited effectiveness during the competitive season. Isometric and isotonic muscle contractions may have an immediate effect on PT pain. METHODS This single-blinded, randomised cross-over study compared immediate and 45 min effects following a bout of isometric and isotonic muscle contractions. Outcome measures were PT pain during the single-leg decline squat (SLDS, 0-10), quadriceps strength on maximal voluntary isometric contraction (MVIC), and measures of corticospinal excitability and inhibition. Data were analysed using a split-plot in time-repeated measures analysis of variance (ANOVA). RESULTS 6 volleyball players with PT participated. Condition effects were detected with greater pain relief immediately from isometric contractions: isometric contractions reduced SLDS (mean±SD) from 7.0±2.04 to 0.17±0.41, and isotonic contractions reduced SLDS (mean±SD) from 6.33±2.80 to 3.75±3.28 (p<0.001). Isometric contractions released cortical inhibition (ratio mean±SD) from 27.53%±8.30 to 54.95%±5.47, but isotonic contractions had no significant effect on inhibition (pre 30.26±3.89, post 31.92±4.67; p=0.004). Condition by time analysis showed pain reduction was sustained at 45 min postisometric but not isotonic condition (p<0.001). The mean reduction in pain scores postisometric was 6.8/10 compared with 2.6/10 postisotonic. MVIC increased significantly following the isometric condition by 18.7±7.8%, and was significantly higher than baseline (p<0.001) and isotonic condition (p<0.001), and at 45 min (p<0.001). CONCLUSIONS A single resistance training bout of isometric contractions reduced tendon pain immediately for at least 45 min postintervention and increased MVIC. The reduction in pain was paralleled by a reduction in cortical inhibition, providing insight into potential mechanisms. Isometric contractions can be completed without pain for people with PT. The clinical implications are that isometric muscle contractions may be used to reduce pain in people with PT without a reduction in muscle strength.
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4.
Wireless Versus Wired Iontophoresis for Treating Patellar Tendinopathy: A Randomized Clinical Trial.
Rigby, JH, Mortensen, BB, Draper, DO
Journal of athletic training. 2015;(11):1165-73
Abstract
CONTEXT The efficacy of the relatively new wireless iontophoresis patch compared with the traditional wired dose controller is unknown. OBJECTIVE To determine the differences among 2 iontophoresis drug-delivery systems (wireless patch versus wired dose controller) and a sham treatment in treating patellar tendinopathy. DESIGN Randomized controlled clinical trial. SETTING Physical therapy clinic. PATIENTS OR OTHER PARTICIPANTS Thirty-one participants diagnosed with patellar tendinopathy (men = 22, women = 9, age = 24.5 ± 5.9 years). INTERVENTION(S): Participants were randomly assigned into 1 of 3 treatment groups: wireless patch, wired dose controller, or sham treatment. Participants in the active treatment groups received six 80 mA/min iontophoresis treatments using 2 mL of 4% dexamethasone sodium phosphate. During each visit, clinical outcome measures were assessed and then the assigned treatment was applied. MAIN OUTCOME MEASURE(S): Clinical outcome measures were Kujala Anterior Knee Pain Scale, pressure sensitivity, knee-extension force, and sit-to-stand pain assessment using a numeric rating scale. For each clinical outcome measure, we used a repeated-measures analysis of covariance to determine differences among the treatment groups over the treatment period. RESULTS Participants reported a clinically important improvement on the Kujala Anterior Knee Pain Scale across all treatment groups, with no differences among groups (P = .571). A placebo effect was observed with pressure sensitivity (P = .0152); however, the active treatment decreased participants' pain during the sit-to-stand test (P = .042). CONCLUSIONS A placebo effect occurred with the sham treatment group. Generally, improvement was noted in all groups regardless of treatment type, but greater pain reduction during a functional task was evident within the active treatment groups during the sit-to-stand test. The wireless patch and wired dose controller treatments were equivalent across all variables.
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Which method is more effective in treatment of calcific tendinitis in the shoulder? Prospective randomized comparison between ultrasound-guided needling and extracorporeal shock wave therapy.
Kim, YS, Lee, HJ, Kim, YV, Kong, CG
Journal of shoulder and elbow surgery. 2014;(11):1640-6
Abstract
HYPOTHESIS Ultrasound (US)-guided needling with subacromial corticosteroid injection is more effective than extracorporeal shock wave therapy (ESWT) for function restoration and pain relief in patients with calcific tendinitis of the shoulder. METHODS Fifty-four patients diagnosed with unilateral painful calcific tendinitis were randomly allocated to a US needling or ESWT group. The US needling group underwent US-guided needling and received a subacromial corticosteroid injection. The ESWT group received ESWT 3 times a week. All patients were prospectively evaluated; American Shoulder and Elbow Surgeons, Simple Shoulder Test, and visual analog scale for pain scores were recorded before the procedure and at 6 weeks, 12 weeks, 6 months, 12 months, and the last follow-up. The size and morphology of the deposits were evaluated by radiography. RESULTS The average follow-up period was 23.0 months. At last follow-up, the mean size of the deposits was significantly different between the 2 groups (P = .001); it decreased to 0.5 mm from 14.8 mm in the US needling group and to 5.6 mm from 11.0 mm in the ESWT group. There were also significant improvements in clinical outcomes in both groups after treatment (P < .05). At 1-year follow-up, the US needling group had significantly better scores than the ESWT group with regard to the American Shoulder and Elbow Surgeons assessment (90.3 and 74.6, respectively; P = .001), Simple Shoulder Test (83.3 and 70.8, respectively; P = .015), and visual analog scale for pain (1.4 and 3.3, respectively; P = .003).The initial calcium deposit sizes and clinical outcomes were weakly correlated in both groups (P > .05). CONCLUSION Both treatment modalities for calcific tendinitis improved clinical outcomes and eliminated calcium deposits. US-guided needling treatment, however, was more effective in function restoration and pain relief in the short term.
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Extracorporeal shock-wave therapy for supraspinatus calcifying tendinitis: a randomized clinical trial comparing two different energy levels.
Ioppolo, F, Tattoli, M, Di Sante, L, Attanasi, C, Venditto, T, Servidio, M, Cacchio, A, Santilli, V
Physical therapy. 2012;(11):1376-85
Abstract
BACKGROUND Extracorporeal shock-wave therapy (ESWT) represents a valid intervention in the treatment of people with supraspinatus calcifying tendinitis (SCT), but there is limited evidence for the useful range of ESWT doses. OBJECTIVE The aim of this study was to compare 2 different ranges of energy flux density in treatment of SCT with ESWT. DESIGN This study was designed as a single-blind randomized clinical trial. SETTING This study was performed in a university hospital. PATIENTS Forty-six patients with SCT were randomly assigned to 2 groups that received different therapeutic energy doses of ESWT (1) group A received ESWT at an energy level of 0.20 mJ/mm², and (2) group B received ESWT at an energy level of 0.10 mJ/mm². INTERVENTION The treatment protocol consisted of 4 sessions performed once a week. MEASUREMENTS The change in mean Constant Murley Scale (CMS) scores at 3 and 6 months was the primary endpoint. The change in the mean visual analog scale (VAS) scores from baseline to 3 and 6 months after the intervention and radiographic change in size of calcium deposits were evaluated as secondary endpoints. At 12 months, pain relief was assessed using a numeric rating scale. RESULTS Significant clinical improvement based on mean CMS scores was observed after 6 months in group A (X=79.43, SD=10.33) compared with group B (X=57.91, SD=6.53). Likewise, after 6 months, a significant decrease in VAS scores was found in group A (X=2.09, SD=1.54) compared with group B (X=5.36, SD=0.78). Calcific deposits disappeared in the same percentage of patients in both groups. LIMITATIONS The small sample size and lack of a control group were limitations of the study. CONCLUSIONS In ESWT for SCT, an energy level of 0.20 mJ/mm² appears to be more effective than an energy level of 0.10 mJ/mm² in pain relief and functional improvement.
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SWAAT study: extracorporeal shock wave therapy and arginine supplementation and other nutraceuticals for insertional Achilles tendinopathy.
Notarnicola, A, Pesce, V, Vicenti, G, Tafuri, S, Forcignanò, M, Moretti, B
Advances in therapy. 2012;(9):799-814
Abstract
INTRODUCTION Extracorporeal shockwave therapy (ESWT) produces good results in the treatment of insertional Achilles tendinopathy. The efficacy of combined administration of dietary supplements with ESWT has not yet been studied. METHODS In this prospective, randomized clinical trial, Shock Waves therapy and Arginine for Achilles Tendinopathy (SWAAT), subjects affected by insertional Achilles tendinopathy were enrolled. Between January and October 2011, all participants underwent three sessions of ESWT. In addition, the patients in the experimental group received a daily dietary supplement containing arginine, Vinitrox (Bio Serae Laboratories SAS, Bram, France), collagen, methyl-sulfonyl-methane, vitamin C, and bromelain, while the control group patients received placebo. RESULTS There was no statistically significant difference in the visual analog scale (VAS) score between the two groups at 2 months (3.9 vs. 5.1; P=0.07), whereas at 6 months the value was significantly lower in the experimental group (2.0 vs. 2.9; P=0.04). The difference in the Ankle-Hindfoot Scale score at 2 and 6 months of follow-up (FU) was significantly in favor of the experimental group (2 months: 85.4 vs. 72.1; P=0.0035; 6 months: 92.4 vs. 76.5; P=0.0002). The Roles and Maudsley score also showed a statistically significant difference between the two groups in favor of the experimental arm as regards patient satisfaction (at 2 months: 1.7 vs. 2.8; P<0.0001; at 6 months: 1.5 vs. 2.3; P<0.001). There was a statistically significant reduction in tissue oximetry values compared to baseline in both treatment groups at 2 and 6 months of FU. Comparing the groups, only at the last FU, at 6 months, was a significantly lower oximetry value observed in the experimental group versus controls (60.2 vs. 66.0; P=0.007). CONCLUSION On the basis of the results obtained in this study, the authors conclude that in the treatment of insertional Achilles tendinopathy, ESWT induces a hemodynamic re-equilibrium with an amelioration in tendon trophism [corrected]. The addition of specific dietary supplements could improve the therapeutic response.
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Topical ketoprofen patch in the treatment of tendinitis: a randomized, double blind, placebo controlled study.
Mazières, B, Rouanet, S, Guillon, Y, Scarsi, C, Reiner, V
The Journal of rheumatology. 2005;(8):1563-70
Abstract
OBJECTIVE To evaluate the efficacy and tolerability of ketoprofen patch in the treatment of tendinitis. METHODS A multicenter, 14 day, randomized, double blind placebo controlled trial of a once-a-day ketoprofen 100 mg patch in symptomatic tendinitis of recent onset, not requiring orthopedic or surgical treatment. Pain on daily activities scored on a 100 mm visual analog scale was the primary efficacy criterion. Other criteria were spontaneous pain at rest, pain on full passive motion, pain relief, and pain intensity assessed twice daily by the patient (calculation of total pain relief and summed time-weighted pain intensity difference). Statistical analysis was performed on the differences between the 2 groups in the intention-to-treat population. RESULTS One hundred seventy-two patients were included. Good compliance was obtained in 98% of patients. Twenty-six patients (15%) discontinued the study mainly because of adverse events, inefficacy, or cure. Decrease in pain after one week of treatment (primary criterion) was -38.4 +/- 25.6 mm (56%) and -25.8 +/- 24.5 mm (37%) in the ketoprofen and placebo groups, respectively (p = 0.0013). The differences of the secondary criteria during the trial between the 2 groups were significant more often than not. Tolerance was considered satisfactory in both groups, most adverse events reported being local reactions: 47 versus 44 were possibly or probably related to treatment in the ketoprofen and placebo groups, respectively. These local skin reactions resolved spontaneously and rarely led to premature termination of treatment. CONCLUSION This trial suggested that a 3-14 day course of treatment by ketoprofen patch is useful in nonarticular rheumatisms, the duration of treatment depending on the results obtained. The safety profile revealed no unexpected adverse events.