Preoperative Predictors of Arthroscopic Partial Meniscectomy Outcomes: The APM Index Score.

Background: Preoperative risk factors contributing to poor outcomes after arthroscopic partial meniscectomy (APM) have not yet been consolidated and codified into an index scoring system used to predict APM success.

Purpose: To create an index score using available preoperative factors to predict the likelihood of favorable postoperative outcomes after APM.

Study Design: Case-control study; Level of evidence, 3.

Response to intra-articular cortisone injections in knee osteoarthritis patients with and without effusion on ultrasound: A pilot study.

Objective: Inflammation, manifesting as effusion and synovitis, is thought to contribute to pain in knee osteoarthritis (OA). We conducted a pilot study to investigate recruitment feasibility and assess whether effusion on ultrasound of the knee was associated with greater reduction in knee pain after corticosteroid injection.

Methods: A pilot study was conducted from 2020 to 2021 including patients ≥40 years with knee OA undergoing clinically indicated corticosteroid injections.

The influence of meniscal pathology in the incidence of knee osteoarthritis: a review.

Importance: Knee osteoarthritis (OA) is a common cause of pain and disability in older persons, affecting approximately 14 million individuals in the USA. Meniscal damage is also common in this age group with a prevalence of 35% in a middle-aged and older community sample and 82% in persons with evidence of radiographic knee osteoarthritis. This paper systematically reviews evidence on the association of meniscal pathology and incident radiographic knee OA.

Identifying Inflammation in Knee Osteoarthritis: Relationship of Synovial Fluid White Blood Cell Count to Effusion-Synovitis on Magnetic Resonance Imaging.

Objective: Inflammation is a potential pain generator and treatment target in knee osteoarthritis (OA). Inflammation can be detected on magnetic resonance imaging (MRI) and by synovial fluid white blood cell count (WBC). However, the performance characteristics of synovial fluid WBC for the detection of synovitis have not been established.

Diagnosis and Management of Lumbar Spinal Stenosis: A Review.

Importance: Lumbar spinal stenosis is a prevalent and disabling cause of low back and leg pain in older persons, affecting an estimated 103 million persons worldwide. Most are treated nonoperatively. Approximately 600 000 surgical procedures are performed in the US each year for lumbar spinal stenosis.