– See: Distal Femoral Osteotomy – Discussion: – usually involves a medial closing wedge osteotomy of the distal femur (supracondylar region) fixed with a blade plate; – femoral osteotomy is sometimes reserved for valgus deformities of > 12 deg and > 10 deviation of the knee joint from horizontal; … Read more
– Hyperuricemia: – biochemical hallmark of gout is hyperuricemia, but not by itself diagnostic for gout; – also note that the uric acid level can flucuate over wide levels over short periods of time (dont assume that a normal uric acid level from 2 days ago represents a constant … Read more
– Rheumatoid Factor: – present in most RA patients (80% of affected pts); – associated w/ increased morbidity; – Anti-CCP antibodies: (anti-cyclic citrullinated peptide) – serological marker that is highly sensitive and specific for dx of early RA – associated with bone erosions of RA – Synovial Fluid: … Read more
– See Laboratory work up for Infected Total Knee: – Culture Specimen: – in the report by Levine BR and Evans BG, the authors studied 3 different intraoperative culture techniques and their diagnostic value in determining clinical infection in patients after a total joint replacement; – 24 patients (34 … Read more
– See: – Lab Aspects of RA – Lab Studies for Gout – Discussion: – synovial fluid from osteoarthritis is transparent & of good viscosity, and contains less than 3000 white cells per mm3
Musculoskeletal Labs Alkaline Phosphatase Antinuclear AB (ANA) C-Reative Protein Erythrocyte Sedimentation Rate Hypercalcemia Rheumatoid Factor Hyperuricemia Serum Electrophoresis Synovial Fluid Analysis Misc Lab Studies: Chemistry Panel Liver Panel Complete Blood Count w/ Diff ABG Urinanalysis Coagulation Studies Anemia w/u Studies Thyroid Panel Cardiac Enzymes Misc Lab Tests Lactic Acid Outside Links: Cornell Laboratory Manual The … Read more
– See: Metatrophic Dysplasia: – Discussion: – this disorder is frequently confused with metatrophic dysplasia; – characterized by disproportionate short trunk dwarfism, kyphoscliosis, and joint stiffness, and contractures of the hands; – assessment of atlantoaxial instability is essential; – major orthopaedic deformity is limited joint motion and … Read more
(see also: Physical Exam; Radiographs) ACL Anatomy of the Knee Anteromedial Rotatory Instability Anterolateral Rotatory Instability Arcuate Ligament Complex Arthrofibrosis Arthroscopy of the Knee Arthrodesis Articular Cartilage Baker’s Cyst Bipartite Patella Blood Supply Blount’s Disease Bursitis Capsule Chondral Injuries of the Knee Chondromalacia Diff Dx Discoid Meniscus Dislocations of the Knee Extensor Mechanism Injuries of … Read more
– See: – Rolling and Gliding Mechanism: – Gait: – Discussion: – bones forming joint are femur, tibia, & patella; – two femurs converge toward the knee and each tibia is nearly vertical, femur & tibia meet angle of some 5-12 deg; … Read more
– See: Arthrodesis Menu: / PreOp Planning – Discussion: – arthrodesis remains a treatment option for patients who have recurrent infection, or who are poor candidates for reimplantation; – problems inherent in the performance of knee arthrodesis following a total knee arthroplasty complicated by infection are bone loss, shortening, gait disturbance, & … Read more