A 73-year-old woman with osteoarthritis of the knees reports worsening pain despite intermittent acetaminophen. She has hypertension and CKD stage 3. According to osteoarthritis management principles, what is the most appropriate next step?AStart long-term high-dose oral NSAIDsBRefer for intra-articular steroid injection and physiotherapy focusing on strengthening and weight lossCStart chronic opioid therapyDOrder immediate knee replacement surgeryERecommend prolonged bed restCheck my answer