This systematic review evaluates nonoperative treatments for trapeziometacarpal joint osteoarthritis (TMJO), a common degenerative condition in postmenopausal females causing pain, reduced mobility, and diminished grip strength.Following PRISMA guidelines, a search was conducted across PubMed, Cochrane, Embase, and MEDLINEfor randomized controlled trials (RCTs) assessing pain outcomes with nonoperative interventions over at least a six-month follow-up, using the visual analog scale (VAS) for pain measurement. Eleven RCTs yielded moderate-quality evidence for the following: (1) corticosteroid (CSI) and hyaluronic acid (HA) injections exhibit comparable mean delta pain scores after six months, with CSI offering early relief at two to three weeks. After 12 months, CSI led to a continued decrease in pain, with a mean delta pain score of 1.0 (p<0.05), contrasting with hyaluronic acid (HA) injections, which presented a modest though nonsignificant improvement, demonstrating a mean delta pain score of 0.5 (p=0.16). (2) Relatively novel therapies for TMJO, such as platelet-rich plasma (PRP) and dextrose, appear to surpass CSI in long-term effectiveness, with dextrose showing a mean delta pain score of 3.8 (p<0.001) at six months and PRP achieving a mean delta pain score of 5.5 (p=0.005) at 12 months. (3) Various hand therapies, notably standard hand exercises and extracorporeal shockwave therapy (ESWT), demonstrated significant pain reduction, with the former achieving a mean delta pain score of 1.5 (p=0.019) and the latter a score of 4.2 (p<0.001). (4) The use of orthoses substantially decreases pain levels, demonstrating a mean delta pain score reduction of 2.6 at a 180-day follow-up (p=0.023) and 2.2 at a 12-month follow-up (p=0.002). In conclusion, nonoperative treatments for TMJO, including intra-articular injections, hand therapy, and orthoses, provide significant pain relief at a minimum of six months follow-up. The synergistic effect of combined nonoperative management, as well as the effect size of each, is unknown.
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