RT Journal
T1 Arthroscopic Surgery Did Not Provide Additional Benefit to Physical and Medical Therapy for Osteoarthritis of the Knee
JF The Journal of Bone & Joint Surgery
JO The Journal of Bone & Joint Surgery
YR 2009
FD May 1
VO 91
IS 5
SP 1281
OP 1281
DO 10.2106/JBJS.9105.ebo3
UL http://dx.doi.org/10.2106/JBJS.9105.ebo3
AB 
Patients: 188 patients who were =18 years of age and had idiopathic or secondary OA of the knee with grade 2, 3, or 4 radiographic severity (as defined by the modified Kellgren-Lawrence [K-L] classification). Exclusion criteria included large meniscal tears, inflammatory or postinfectious arthritis, previous arthroscopic treatment for knee OA, >5° of varus or valgus deformity, previous major knee trauma, K-L grade 4 OA in 2 compartments in persons >60 years of age, an intra-articular corticosteroid injection within the previous 3 months, a major neurological deficit, serious medical illness, and pregnancy. 10 patients withdrew consent after randomization, leaving 178 patients (mean age 59 y, 63% women). 168 patients (89%) completed the study.