Background: Although corticosteroid injections are an effective treatment for musculoskeletal pathologies, they may not be suitable for all patients. The purpose of this systematic review was to compare clinical outcomes between patients who received NSAID and corticosteroid injections for various orthopedic conditions. Methods: Medline, Embase, Web of Science, and Cochrane Central Register of Controlled Trials were searched, and meta-analyses were performed using a random-effects model for outcomes presented in three or more studies. Other studies were qualitatively analyzed. Results: A total of 28 articles with 2113 patients were included. A meta-analysis of five studies in patients with shoulder impingement syndrome demonstrated that there was no significant difference in the pain visual analogue scale (VAS) between subacromial NSAID injections and corticosteroid injections at 1 month [weighted mean difference (WMD) −0.244; 95% CI, −1.232 to 0.745; I², 94.5%]. For patients with knee osteoarthritis, a meta-analysis of three studies demonstrated that there was no significant difference between intraarticular NSAID injections and corticosteroid injections in pain VAS at 1 month (WMD 0.754; 95% CI, −0.413 to 1.921; I², 90.2%) and 3 months (WMD−0.089; 95% CI, −0.345 to 0.166; I², 0%). A review of the studies assessing pain outcomes for hip osteoarthritis, adhesive capsulitis, and plantar fasciitis showed no significant differences between the NSAID and corticosteroid groups. Conclusion: NSAID injections may be safe and effective alternatives to steroid injections, especially in shoulder impingement syndrome and knee osteoarthritis.

Background/Objectives: Achilles and hamstring tendinopathies are common injuries in runners, and extracorporeal shockwave therapy (ESWT) may be an effective treatment. Runners are at risk for lower extremity tendinopathies and the Male and Female Athlete Triad (Triad). The purpose of this study is to evaluate the association of sex, exposure to hormonal contraceptives, menopause, and Triad-related risk factors with ESWT outcomes in the treatment of Achilles and hamstring tendinopathy. Methods: This is a retrospective cohort study of runners with either Achilles or hamstring tendinopathy who received radial or combined radial and focused ESWT. Tendon function was measured using Victorian Institute of Sport Assessment (VISA) questionnaires completed before and following treatment. Treatment success was defined by a change in VISA score that met the minimal clinically important difference (MCID). Results: There were 88 runners (54.5% female, 45.5% male) with Achilles (52.3%) or hamstring (47.7%) tendinopathy. No measurable difference was found in the proportion of females and males overall that achieved the MCID (57.1% and 72.5%, p = 0.17). Similar rates of females and males met MCID for Achilles (77.8% and 75.0%, p = 0.83) and hamstring tendinopathy (46.7% and 66.7%, p = 0.24). However, females with Achilles or hamstring tendinopathy who used oral contraceptive pills (OCPs) were less likely to meet the MCID compared to females not on OCPs (p = 0.031); this finding was present in a subgroup analysis of runners with only Achilles tendinopathy (p = 0.025). No associations were found between achieving the MCID and Triad risk factors, including body mass index, energy availability, weight-related behaviors, bone health, or menstrual function (all p > 0.05). Conclusions: Female and male runners reported similar success rates for ESWT, and Triad risk factors were not found to impact outcomes. However, females who used oral contraceptive pills were less likely to achieve the MCID from ESWT.

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