Hematogenous Osteomyelitis
– Discussion: – general features: – pediatric bone circulation – age of patient: – osteomyelitis in the newborn – in infants below the ages of 1 year, some metaphyseal vessels may transverse … Read more
Shoulder
Halo Orthosis
– See: – Cervical Spine Menu: – Halo Placement in Children: – Discussion: – most effect orthosis for controling motion at C1-C2 articulation; – contra-indications: – unstable skull frx; – traumatized skin overlying pin sites; … Read more
Gun Shot Wounds
– Discussion: – firearms tutorial – missile characteristics: – NRA website – Weapons Effects and Parachute Injuries – Shooting Soldiers: Civil War Medical Images, Memory, and Identity in America – General Management: – most important issue is to get the correct diagnosis (no viceral injury, no compartment syndrome, no … Read more
Gun Shot Wounds: Missiles Characteristics
– Discussion: – common shapes includes round nose, wadcutter, and semi-wad cutter; – missile velocity: – high velocity: – greater than 2000-2500 ft/sec; – M16 travels at 3250 ft/sec; … Read more
Osteonecrosis of the Humeral Head
Co-authors: Milford H. Marchant Jr., M.D., Allston Stubbs, M.D., Carl J. Basamania, M.D. March 15, 2005 – Background: – Definition: In situ death of bone within the humeral head due to disruption of blood supply – Other Names: Avascular … Read more
Greater Tuberosity Fractures
– See: Fracture Dislocation – Discussion: – isolated displaced greater tuberosity fractures are thought to occur in less than 2% of proximal humeral frx; – greater tuberosity fragments w/ its attached rotator cuff will characteristically have a longitudinal tear in the cuff between the supraspinatus and subscapularis tendons; … Read more
Motivation for Soft tissue resurfacing / Enhanced microfracture technique
Background: By way of background, I performed eight autologous hamstring resurfacing arthroplasties during the later half of 2007 at Franklin Regional Medical Center. This procedure involves harvesting the gracilis and semitendinosus tendons and oppossing them to the medial femoral condyle using knotless absorbable bone anchors. The drill holes for the bone anchors serve as a source for hematopoetic … Read more
Glenohumeral Joint
– See: Shoulder Menu: – Anatomy: – GHJ has a greater ROM than any other joint; – Bony Anatomy: – its shallow, & is more akin to a grapefruit in saucer than ball in socket. – lack of bony stability & wide ROM … Read more
TSR: Bone Grafting for the Glenoid Component
– indicated for glenoid insufficiency w/ insufficient bone stock for appropriate component fixation: – cortical penetration of component keel into the glenoid neck; – incomplete peripheral contact of the glenoid component flange; … Read more
General Features and Pathology of Hematogenous Osteomyelitis
– Discussion: – bone provides and environment that significantly alters interaction between bacterial and host defenses in favor of the invader; – bone contains numerous microscopic channels, the walls of which are impermeable to such host defenses as the large molecules of immunoglobulins; – bacteria, once gaining a foothold in these … Read more