[3–6] Before deciding on TKR, the possibility of arthroscopic debridement must be taken into account, provided that the knee has normal axial alignment (i.e., without varus or valgus deformities).

mild to moderate deformities (varus or valgus), limited synovial effusion (less than 10 ml), and post-traumatic knee OA (for symptomatic relief or secondary prevention). However, it is not ...