– See: Burn Management: – Discussion: – these burns are always much worse than they appear, and the big mistake is to underestimate their severity; – deeper tissues receive more damage and burn injury than superficial tissues; – consider using arteriography to help … Read more
– See: – Burn Management: – Chemical Burns: – Electrical Burns: – Frost Bite: – Burn Depth: – first degree: – typical “sun burn” injury; – injury is limited to the … Read more
– Discussion: – there is inherent graft weakness during period after implantation when allograft& autograft tissues undergo necrosis, revascularization, and cellular proliferation; – weakest link initially is graft fixation site; – it is important to achieve strong fixation initially; … Read more
– See: Bone Topics – Discussion: – woven bone healing: – ref: Distal radial fractures heal by direct woven bone formation – stages of enchondral bone healing: – hematoma / inflammation: – shortest stage of fracture healing – disruption of vascular flow through the marrow and periosteum … Read more
– See: – Bone Patella Bone Allografts – Non Bone Patella Bone Reconstruction – Discussion: – Anatomy of ACL; – ACL Biomechanics; – Graft Tunnel Sites / Isometry: – Graft Biomechical Characteristics: – … Read more
– Discussion: (see fracture healing and management of tibial bone defects) – autograft: bone graft harvest techniques – allografts – induced membrane technique – bone marrow aspirates: – in order to maximum the concentration of osteoblast precursors, no more than 2 cc should be … Read more
– See: Biomechanics Menu: – Anatomy of the ACL: – Biomechanics: – ultimate tensile load: 2160 ± 157 N – stiffness: 242 ± 28 N/mm; – passive knee extension produces forces along ACL only during last 10 degrees of knee extension; – hyper-extension: … Read more
– Hematoma: – Infection associated with hematoma formation after shoulder arthroplasty – Fractures – fractures may occur at the tip of the prosthesis; – long oblique and spiral fractures can be treated non operatively as long as good alignment is maintained; – transverse or short oblique fractures may not … Read more
– See: – Total Hip Replacement Menu: – Acetabular Component Revision – Femoral Bone Grafting for THR – Frozen Allograft – Dysplastic Hip – Discussion: – in planning of acetabular reconstruction, major goal is to establish … Read more
– See: Patella and Patellofemoral Function – Discussion: – chondromalacia describes softening & fissuring of articular hyaline cartilage; – chondromalacia may result from an excessive load on patellofemoral joint, but disuse may be a contributing factor; – most common in yound women; – relationship between chondrosis & … Read more