– Discussion: – central stenosis produces compression of the thecal sac in contrast to lateral stenosis which involves compression of individual nerve roots; – may be congenital (idiopathic or developmental in achondroplastic dwarfs) or acquired; – acquired stenosis: – due to degenerative hypertrophic facets … Read more
– See: – Jug wave pattern – CVP – Swan Ganz – Internal Jugular Vein Approach – Subclavian approach Catheter-related sepsis in patients on intravenous nutrition: a prospective study of quantitative catheter cultures and guidewire changes for suspected sepsis. Hickman catheter … Read more
– See: Total Hip Replacement Menu: – Addition of Antibiotics to Cement: – Cemented Femoral Component Loosening: – Insertion of Cemented Femoral Stems: – Discussion: – first generation technique: – finger packing … Read more
– See: cervical spine in RA – Discussion: – vertical subluxation is one of the most serious complications of rheumatoid arthritis, and may affect up to 5-10% of patients who have cercial spine disease; – basilar invagination may result from erosion and/or bone loss between occiput and dens or may … Read more
– See: Atlanto-axial Subluxation: – Discussion: – a condition in which there is fixed rotation of C1 on C2; – fixation may occur with in the range of normal rotation, may occur w/subluxation, or may occur w/ dislocation; – clinically patients will have ipsilateral rotation and contralateral tilt of … Read more
– See: Down’s Syndrome: – Discussion: – atlantoaxial instability is common in pts with Down’s syndrome. – significant instability requires stabilization when the spinal cord is at risk for injury. – children interested in Special Olympics require screening; – Radiographs: – children should be screened w/ dynamic … Read more
– See: – C1 / C2 – AtlantoAxial Rotatory Subluxation in Down’s Syndrome: – Atlantooccipital Disassociation: – Atlantoaxial Rotatory Fixation: – Atlantoaxial Subluxation in R.A.: – Cross Table Lateral: – Occipital-Atlanto-Axial Anomalies: … Read more
– See: – Atlantoaxial Rotary Subluxation- Discussion: – Transverse Ligament Rupture: – Discussion: – subluxation can occur in up to 70% of patients with rheumatoid arthritis, but frank dislocation occurs in about 25%; – approximately 11% of rheumatoid arthritis patients will develop … Read more
– See: Frx Dislocations of the Hip – Discussion: – because of associated high energy trauma: look for other injuries – vast majority of patients sustained a hip dislocation will have associated injuries; – assoc ligamentous injuries to ipsilateral knee; – associated posterior wall fractures, femoral head, … Read more
Discussion ascending cervical branches arise from extracapsular arterial ring; anteriorly, they penetrate capsule of hip joint at intertrochanteric line; posteriorly, they pass beneath the orbicular fibers of capsule; ascending cervical branches may be divided into 4 br; anterial, medial, lateral, posterior; of these lateral provides most of blood supply to femoral head; at margin of … Read more