Medical comorbidities, BMI, primary or secondary osteoarthritis
diagnosis prior to surgery, and the patient's preoperative activity level, substantially influenced physical activity five years post surgery.
Osteonecrosis frequently leads to secondary osteoarthritis
developing and rapidly progressing within 8 to 10 weeks of the onset of symptoms (5).
As a possible limitation, we excluded obese patients (BMI [Less than] 32) and those with metabolic diseases that may be responsible for secondary osteoarthritis
, though the patient population in our study is largely representative of the general population with knee osteoarthritis.
In older patients, secondary osteoarthritis
changes may be seen.
Treatment of primary and secondary osteoarthritis
of the knee.
Jaffe, "it increases the risk of developing secondary osteoarthritis
Of the 20 hips with secondary osteoarthritis
, the etiology was trauma in 12, dysplasia of the hip in five, slipped capital femoral epiphysis in two, and coxa valga in one.
can be associated with previous trauma, surgery, internal derangement, or congenital malformation.