The Hip book

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

ORIF of Hand Frx w/ Screws

– Indications:     – displaced long oblique fractures, spiral frxs, or articlar fractures (> 25%) of metacarpals or phalanges;     – screw fixation used w/o a plate, requires that the frx length will be at least twice diameter of the metacarpal; (lag screw theory)     – a minimum of 2 screws are … Read more

Orthofix

    – Metacarpal Pin Insertion:        – 2.7 mm drill is used for both cortices for 3.3 mm thread and 4 mm shank are used for most applications;        – tapered screws should not be backed out, since they will loosen;        – cortical screw: either: 4.5/3.5 thread diameter and … Read more

ORIF of Hand Frx w/ K Wires

– Discussion:     – K wires should never cross at the fracture site, since this will cause rigid distraction;     – K wires should cross either proximal or distal to the fracture and gain firm anchorage in the proximal and distal metaphysis; – Holding Power of the Wires:     – increased penetrating ability and … Read more