Data Trace Editor – See: – Biceps Tendonitis – SLAP Lesions – Discussion: – this tendon may have some role as a depressor of humeral head, preventing superior migration of humeral head; – approx 50% of all ruptures occur thru the tendon of the long head; – rupture is … 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
– See: Proximal Humeral Physeal Injuries – Discussion: – classification of proximal humeral fractures: – anatomic neck fracture: – one part fracture – two part fractures – two part surgical neck fracture – two part tuberosity fractures: – lesser tuberosity frx; – greater tuberosity frx; – three part fractures – four part fracture: – fracture … Read more
– See: Technique of Free Tendon Grafting – Discussion: – prosthetic graft serves as temporary spacer around which a pseudotendon sheath forms, & provides a healthy bed in which to place tendon autograft; – pulleys can be reconstructed at time of insertion of prosthesis – … Read more
Prosthetic grafts in vascular trauma: a controversy. Five-year experience with PTFE grafts in vascular wounds. Polytetrafluoroethylene grafts in the rapid reconstruction of acute contaminated peripheral vascular injuries.
– Discussion: – Reversal of Heparin effect; binds heparin within 5min of IV infusions (give slowly as 2mg/ml solution in saline); – Monitor PTT for effects; – Protamine sulfate itself has anticoagulant properties, hence judge needed amount conservatively; – Precautions: – hypotension may result from rapid infusion; – watch for anaphylactoid like reactions; – Dose: … Read more
– Discussion: – protein polysaccharides account for approx 4.4% of organic components of bone and may be defined as compounds of carbohydrate and protein in which carbohydrate is a polysaccharide attached to a protein by covalent bonds; – principle polysaccharide (mucopolysaccharide) of bone is chondroitin-4-sulfate (chondroitin sulfate A); – … Read more
– for hyperthyroidism; Inhibits production T3 and T4; – Adult Dosing: – 100mg PO q8hr (up to 1,200mg/day for control); – after pt is euthyroid (6-8 weeks), taper dose by 1/3 every 4-6 weeks to a maintainance dose of 50-150 mg/24hr; – inhibits production and conversion of T3 and T4
– Action: – powerful vasodilator and inhibits platelet aggregation thru activation of adenylate cyclase, which leads to an increase in intracellular cyclic adenosine monophosphate; – prostacyclin and thromboxane A(sub 2) are formed from arachidonic acid, w/ endoperoxides & prostaglandins G2 and H2 as intermediates; – variety of drugs with diverse mechanisms … Read more