– Discussion: – traditional quadrilateral socket has narrow anteroposterior diameter to keep the ischium positioned back and up on top of the posterior brim of the socket for wt bearing; – anterior wall of the socket is 5 to 7 cm higher than the posterior wall to hold the leg back … Read more
– See: external rotators of the hip: Origin: superior aspect of external border of the tuberosity at ischium; Insertion: superior aspect of the linea quadrata, the line which extends downward from the intertrochanteric crest of femur; Synergists: piriformis, obturator externus, obturator internus, gemellus superior, gemellus inferior; Action: external rotation of the femur at the hip; … Read more
– See: Cardiac Contussion: – primary complication is comprimised oxygenation; – due to intersitial hemorrhage with alveolar collapse and alveolar flooding – shunting, results in hypoxia that is relatively refractory to enhanced inspiratory oxygen concentration; – pulmonary contusions are usually quite localized; – Management: – PEEP and continuous positive airway pressure – over-agressive diuresis or … Read more
– Anatomy: – origin: anterior surface of transverse process, lateral border of vertebral bodies and corresponding intervertebral discs of T12-L5; – at the 3 o’clock position, the iliopsoas is composed of 45% tendon and 55% muscle; – tendon is located directly anterior to the anterior superior capsulolabral complex at the 2-3 … Read more
Intramedullary Nailing of Femoral Shaft Fractures. Part I. Decision-making Errors with Interlocking Fixation. Intramedullary nailing of femoral shaft fractures. Part II: Fracture-healing with static interlocking fixation. Intramedullary nailing of femoral shaft fractures. Part III: Long-term effects of static interlocking fixation. Interlocking intramedullary nailing in femoral shaft fractures. A report of forty-eight cases. Cephalomedullary screws as the … Read more
– See: – Subtrochanteric Fractures – Discussion: – failure of nail to fill IM canal of either the proximal or distal fragment, may lead to postoperative instability; – tend to migrate into a varus deformity – requires abduction and traction for reduction; – tends to have an accentuated anterior bow; – internal rotation tends to … Read more
– See: – Defects of the Fibula: – Van Nes Rotational Plasty: – Discussion: – a development defect of the proximal femur recongnizable at birth; – 3rd most common longitudinal deficiency of lower extremity; – abnormality ranges from hypoplasia of entire femur to … Read more
Reduction in fatal pulmonary embolism and venous thrombosis by perioperative administration of subcutaneous heparin. Overview of results of randomized trials in general, orthopedic, and urologic surgery. Use of the Greenfield filter to prevent fatal pulmonary embolism associated with total hip and knee arthroplasty. Randomized controlled study of heparin and low molecular weight heparin for prevention of … Read more
– Discussion: – largest branch of femoral artery in femoral triangle; – arises on lateral side of femoral artery, 3-5 cm below inguinal lig; – passes on surface of pectineus & adductor brevis; – passes posteriorly, lying behind femoral artery & vein on medial … Read more
– See: Total Hip Replacement Menu: – Insertion of Cementless Femoral Stem: – Radiology of Press Fit Stems: – Removal of Cementless Stems: – Discussion: – indications: – younger patients (less than … Read more