Ortho Oracle - orthopaedic operative atlas

Palmar Interossei

  – See:       – Intrinsic Muscles of the Hand – origin: each from the 2 metacarpal bones between which it inserts; – insertion:      – proximal phalanges of the 2nd, 3rd, and 4th digits & posterior expansion of the finger extensor tendons; – action:      – 1st abducts index finger, … Read more

Palmaris Longus Tendon Graft Harvest

– Discussion:     – most commonly used tendon graft for the hand;     – palmaris longus tendon is extrasynovial and does not have synovial membrane;     – instead of synovial membrane, the tendon has a paratenon which does not promote gluiding as well as intrasynovial tendons; – PreOp Planning:      – determine … Read more

Over Distraction of Distal Radius Frx

– Discussion:      – distraction (or ligamentotaxis) is used to facilitate reduction of distal radius frx;      – overdistraction will cause increased mid & proximal carpal joint space widening & resistance to  passive flexion of finger tips to distal palm;              – look for over distraction when proximal … Read more

Osteoid Osteoma

– See: Bone Tumor Menu – Discussion:     – benign osseous tumor usually less than 1.5 cm in diameter, comprising 11% of all benign bone tumors;            – no cases of malignant transformation has been reported;     – occurs primarily in adolescents and less often in children;      … Read more

Osteoarthritis: Predisposing Causes

  SCFE   Trauma   Inflammatory arthritis   Calcium Pyrophosphate Dihydrate Crystal Arthritis      – these pts may have symptomatology at atypical sites of the hand such as the second and third MP joints;   Osteonecrosis   Intra-articular Steroids   Hyperparathyroidism      – it can cause subchondral bony erosions and collapse of the articular … Read more

Orthopaedic Anesthesia

– See:         – Anesthesia and Timing for Femoral Neck Fractures:         – Anesthesia in the Spinal Cord Injured Patient:         – Cardiac Orders / Meds:         – Malignant Hyperthermia:         – Risk Assessment:          – Anesthetic Agents:                – Lidocaine:               … Read more

Orthopaedic Aspects of Leprosy

– Discussion:     – causative organism of leprosy is M. leprae;           – acid-fast, obligate, intracellular gram-positive bacillus that reproduces maximally at 27°C to 30°C;     – frequent subacute polyarthritis involving the small joints of the hands and feet;     – organism infects the skin and cutaneous nerves, … Read more