Ortho Oracle - orthopaedic operative atlas

Yield Strength / Point

– Discussion:     – stress beyond the elastic limit that results in permanent bending, deflection, or deformation (i.e., the metal goes from pure              elastic behavior to a combination of elastic/plastic elongation);     – metals ranked according to yeild strength (highest to lowest);     – cast cobalt chrome > titanium > wrought cobalt chrome, stainless … Read more

References: XARELTO (rivaroxaban)

NICE recommends rivaroxaban (XARELTO®) to prevent blood clots in people who have had a heart attack – NICE 3/25/15 Bayer discloses encouraging data on anticoagulant XARELTO® Bayer happy with rivaroxaban (XARELTO®) trial results Efficacy and safety of rivaroxaban versus low-molecular-weight heparin therapy in patients with lower limb fractures. A non-interventional comparison of rivaroxaban with standard … Read more

X rays: for Tibial Frx

– comminution:     – more than 50% cortical comminution is considered significant and increases chance of non union; – displacement:     – > 50% frx displacement will significantly increase risk of non-union, due to instability of frx and predisposition for future displacement (if treated closed); – accetable reduction:     – > 10 deg … Read more

X-ray Findings in SLD

          – See:       – PA View       – AP View        – Radiology of Hand & Wrist        – Radiology of Scaphoid Fracture – Discussion:    – clenched fist AP – ulnar deviation view (see: AP view:)         – proper technique: for visualizing … Read more

X-rays for Femoral Neck Fractures

– See:        – Calcar Femorale:        – Garden I & II:        – Garden III & IV:        – Garden’s Alignment Index:        – Pathologic Hip Fractures:        – Radiology of the Hip:        – Sigh Index – Radiographs:   … Read more

Wrist Disarticulation

– Discussion:     – wrist disarticulation: include the removal of the radius and ulna to styloid processes;     – shape of stump remains bulbous, thus permitting prosthetic attachment, leaving the elbow free and preserving full pronation & supination;     – wrist disarticulation retains distal radio-ulnar joint preserves more forearm rotation, & retaining distal radial flare dramatically … Read more

Wrist Arthrodesis

– Indications: – painful or unstable wrist joint w/ advanced destruction due to OA, RA, post traumatic arthritis, SLAC wrist, spastic flexion contracture, degenerative scaphoid non-union, unsuccessful wrist arthroplasty, and Keinbock’s dz; – this procedure is more beneficial for young, active pts or middle aged pts, but not for elderly pts; – PreOp Considerations: – in … Read more

Wrightlock Spinal Fixation System

        by Ben L. Allen, Jr. M.D. About WRIGHTLOCK and the Outboard Correction System Instrumentation Surgical Technique for King-Moe Type III Scoliosis  Surgical Technique for King-Moe Type I or II Scoliosis