Mid Term Effects of a Single Injection versus Three Injections of Hyaluronic Acid in Patients with Rhizarthrosis

SUMMARY Background. To compare the effects of a single intra-articular injection of low molecular weight hyaluronic acid (LMWHA) versus 3 injections of the same LMWHA in patients affected by rhizarthrosis. Methods. 40 patients received ultrasound (US) guided injections of LMW HA: Group A (20 patients) injections with 1 ml HA; Group B (20 patients) once … Continued