Revista espanola de cirugia ortopedica y traumatologia · 2026
Short- and mid-term efficacy of extracorporeal shock wave therapy versus corticosteroid injections in the treatment of trigger finger: a non-randomized prospective comparative study.
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Suárez Cabañas A H, Ramírez Sánchez M, Álvarez Jiménez A, Santana Bañolas M, González Martín J M, García Castellano J M
Аннотация
BACKGROUND AND OBJECTIVE: Trigger finger is a common condition managed through various conservative approaches. This study aimed to compare the short- and mid-term efficacy of radial extracorporeal shock wave therapy (rESWT) versus corticosteroid injection (INF) in patients with moderate trigger finger.
MATERIAL AND METHODS: A non-randomized prospective comparative study was conducted with 42 patients diagnosed with Quinnell gradeII-III trigger finger, assigned to treatment groups (rESWT vs INF) by sequential sampling. The following outcomes were assessed at baseline, 6weeks, and 6months: pain (VAS), functionality (QuickDASH and Roles & Maudsley), stiffness/severity (Quinnell), and grip strength (hand dynamometry). The primary variable was main pain improvement at 6months. Statistical analysis included nonparametric tests (Wilcoxon, Mann-Whitney U), chi-square/Fisher tests for qualitative variables, and paired regression for temporal changes (α=0.05).
RESULTS: Both groups showed significant improvements in all evaluated parameters. At short-term follow-up (6 weeks), INF achieved a faster pain reduction, whereas at mid-term (6months), rESWT demonstrated sustained benefits in pain, stiffness, and functionality, with a higher proportion of «excellent-good» outcomes on the Roles & Maudsley scale (P<.05). Grip strength increased similarly in both groups. No major adverse events were reported.
CONCLUSIONS: rESWT and INF are both effective treatments for trigger finger. INF may be preferred for rapid pain relief, while rESWT provides longer-lasting benefits and represents a useful non-invasive alternative for patients with contraindications to corticosteroids.
MATERIAL AND METHODS: A non-randomized prospective comparative study was conducted with 42 patients diagnosed with Quinnell gradeII-III trigger finger, assigned to treatment groups (rESWT vs INF) by sequential sampling. The following outcomes were assessed at baseline, 6weeks, and 6months: pain (VAS), functionality (QuickDASH and Roles & Maudsley), stiffness/severity (Quinnell), and grip strength (hand dynamometry). The primary variable was main pain improvement at 6months. Statistical analysis included nonparametric tests (Wilcoxon, Mann-Whitney U), chi-square/Fisher tests for qualitative variables, and paired regression for temporal changes (α=0.05).
RESULTS: Both groups showed significant improvements in all evaluated parameters. At short-term follow-up (6 weeks), INF achieved a faster pain reduction, whereas at mid-term (6months), rESWT demonstrated sustained benefits in pain, stiffness, and functionality, with a higher proportion of «excellent-good» outcomes on the Roles & Maudsley scale (P<.05). Grip strength increased similarly in both groups. No major adverse events were reported.
CONCLUSIONS: rESWT and INF are both effective treatments for trigger finger. INF may be preferred for rapid pain relief, while rESWT provides longer-lasting benefits and represents a useful non-invasive alternative for patients with contraindications to corticosteroids.