– Indirect Reduction Stratedgy: – statedgy forgoes attempts at meniscal reduction (or repair), ligamentous repair, or direct joint reduction; – longitudinal traction is used to align proximal tibial condyles over shaft; – depressed fragments are reduced w/ a bone tamp thru cortical window; – frx reduction is … Read more
– Ref Prognostic Features – Ref for Pulmonary Resection in Osteosarcoma – Ref for Surgery & Surgical Limb Salvage – Ref for Radiation Rx for Osteosarcoma – MRI Ref – Chemotherapy Ref Medical Progress: Osteosarcoma: fifteen Years Later. Surgical treatment for osteosarcoma Osteosarcoma of the spine Limb-salvage treatment versus amputation for osteosarcoma of the distal end … Read more
– See: Femoral Neck Fracture – IM Nailing of Femoral Neck Fractures: – closed reduction technique: – TFN nail – references: – Vertically oriented femoral neck fractures: mechanical analysis of four fixation techniques. – Vertical shear fractures of the femoral neck. A biomechanical study. – Basicervical fractures of the proximal femur. A biomechanical … Read more
– See: – Congenital Hip Dislocation – Ortolani’s test – Discussion: – Barlow’s test identifies unstable hip that lies in the reduced position but can be passively dislocated (and hence unstable); – less than 2% of infants will have a positive Barlow test; … Read more
– Indications: – most often used for anterior shoulder reconstructions – Positioning: – beach chair w/ full access to posterior aspect of shoulder; – holding shoulder in flexion, will relax shoulder & facilitate exposure; – consider the Mconnel Shoulder Positioner; – references: … Read more
– Discussion: (See: Blood Supply to Femoral Head) – there are certain areas of bone in which vascular supply is precarious; – these areas are subject to infarction and avascular necrosis; – three such regions are head of femur, body of talus, & scaphoid; – they have the … Read more
Discussion: – pathogenesis – vascular interruption: – blood supply to femoral head – specific inciting causes – natural history – diff dx: – synovitis; – Idiopathic Transient Osteoporosis of the Hip – femoral neck stress frx – metastatic disease – trochanteric bursitis: – ref: Avascular necrosis of the femoral head presenting as trochanteric bursitis. – … Read more
– See: – Avascular Necrosis of Femoral Head – IM Nailing of Pediatric Femur Fractures – Discussion: – AVN may not appear for one year or more after IM Nailing of the femoral shaft; – more common in young adolescents undergoing IM nailing of femoral shaft frx, … Read more
– See: – Avascular Necrosis of Femoral Head: – Blood Supply to Femoral Head & Neck: – Non-Union following Femoral Neck Frx; – Discussion: – when femoral neck frx occurs, intraosseous cervical vessels are disrupted; – incidence of AVN in undisplaced fractures is 11%; … Read more
– See: AVN in Adults – Discussion: – results from forced attempts at reduction and subsequent disruption of the blood supply to the growing femoral head; – is reported to occur in 6-30% of patients undergoing closed reduction, but in some series the incidence can be as high … Read more