Effect of low-intensity pulsed ultrasound on regeneration of joint cartilage in patients with second and third degree osteoarthritis of the knee

To determine if the application of low intensity pulsed ultrasound (LIPUS) therapy has a positive effect over the cartilage repair, functional status, and reduction of pain in patients with grade 2 or 3 osteoarthrosis of the knee. This trial was an observational, before and after study without a control group, in which 10 patients (11 knees) were studied. We applied LIPUS therapy with an intensity of 0.3 W/cm2, duty cycle of 50%, giving a total...