– See: Motor Conduction Latency: – Sensory Amplitude: – among the earliest changes in a nerve compression sydrome is changes in distal sensory amplitude, followed by an increase in distal sensory latency; – Sensory Conduction Latency: – more sensitive than is motor conduction velocity; – amplitude of action … Read more
– See: – Digit Reimplantation / Reconstruction – Thumb Soft Tissue Defects / Amputations – Indications: selective thumb reconstruction – Technique: – second metatarsal may be removed along with 2nd toe with little functional impairment; – toe is taken from contralateral foot to facilitate anastomosis; – dorsal … Read more
– See: – Burn Management: – Chemical Burns: – Electrical Burns: – Frost Bite: – 2nd degree / superficial: – partial thickness which involves the dermis and a portion of the dermis; … Read more
– See: Acetabular Component Menu Discussion it is controversial as to whether screws are necessary in THR, and there are relative advantages and disadvantages; cups should be designed with only 2-3 holes so as to maximize the porous coating surface and to minimize conduit for osteolysis; acetabular cup insertion: advantages of screw insertion: theoretically, screw … Read more
– See: vascular malformations of the upper extremity – Clinical Presentation: – usually begins incidiously – vague weakness, wt loss, diffuse stiffness, aching, burning polyarticular arthritis; – diffuse edema of hands; – skin and GI manifestations are common; – hand: … Read more
– Discussion: – anatomy and ligamentous contraints: – ligaments of the wrist – SL interosseous ligament – SLD is most common and most significant ligament injury of wrist; (carpal instability); – risk factors: ulna minus configuation, slope of radial articular surface, and lunotriquetral coalition; – spectrum of injury: (increasing severity) – ref: Association of lesions of … Read more
– Discussion: – injury must occur to both interosseous and capsular ligaments for rotational instability of the scaphoid to occur; – dorsal approach to the wrist: – reduce scaphoid into the extended position; – surgeons gloved finger presses the distsal pole of scaphoid into an extended position; – K wire is inserted … Read more
Distal avulsion fractures of the scaphoid. Long-Term Results of Fracture of the Scaphoid. A Follow-up Study of More Than Thirty Years. Percutaneous screw fixation for fractures of the scaphoid Complications of scaphoid silicone arthroplasty. Kinematic considerations of the wrist Prosthetic silicone scaphoid strains: effects of intercarpal fusions. Complications and results of scapho-trapezio-trapezoid arthrodesis. Silicone-rubber implant arthroplasty … Read more
– See: Avascular Necrosis of the Scaphoid – Discussion: – often result from undiagnosed or undertreated non displaced scaphoid fractures, especially when associated w/ carpal instability; – even when found as late as 6 mo after the injury, frx of scaphoid, esp at the waist and distal location, may go on to heal; … Read more