[Nutritional, bone and body composition assessment of patients with knee and hip arthroplasty].

Introduction: malnutrition, both due to deficiency and excess of nutrients, correlates to the morbidity of the surgical patient. Objectives: to analyze the nutritional status, body composition and bone health of patients undergoing elective knee and hip arthroplasty. Methods: an observational cross-sectional study was carried out evaluating patients undergoing hip and knee replacement surgery from February to September 2019.

Diagnostic Accuracy of Magnetic Resonance Images and Weight-Bearing Radiographs in Patients With Arthroscopic-Proven Medial Osteoarthritis of the Knee.

Aims: The aim of this study is to analyze the diagnostic value of weight-bearing radiographs, magnetic resonance images (MRI), and the combination of both in osteoarthritic knees when using arthroscopic findings as the "gold standard" to compare with.

Methods: A total of 59 patients were studied because of chronic pain in 1 of their knees. Radiographs were classified according to Kellgren-Lawrence scale.