– Discussion: – consist of subQ vein along w/ skin, & usually are taken from flexor side of distal forearm or the dorsal aspect of foot; – vein is interposed between missing segments of the distal artery; – this restores circulation and covers the skin defect; – … Read more
– See: venous malformations – Discussion: – high flow lesion – may start small in childhood and be triggered to enlarge after trauma – spontaneous bleeding may occur – associated conditions: – Klippel-Trénaunay syndrome: capillary, lymphatic, and venous malforma-tions with skeletal overgrowth; … Read more
– See: – Arterial Injuries Assoc. w/ Fractures: – Arterial Trauma: – Femoral Arteriogram: – Upper Extremity Arteriogram of the Limbs – Discussion: – pts w/ obvious signs of vascular injury, such as rapid external bleeding, an expanding hematoma, signs of distal ischemia, or palpable thrill, … Read more
– Discussion: – these fractures by definition are associated w/ vascular trauma, and have a high prevalence of infection: – its important to assess viability of the limb, both w/ common sense, as well as w/ objective criteria such as the MESS; – main controversy is whether tp procede on with vascular repair, frx … Read more
– See: – Artery Menu – Arterial Injuries Associated with Fractures – Pharmocological Agents in Vascular Surgery: – Technique of Microanatomosis: – Arteriography – Types of Injuries: – intimal injuries: – nonsevered artery: – results from blunt force or stretch, may follow passage of missle; – results in loss or reduction of flow w/o external … Read more
– Discusion: – arises from direct blows to the ear; – trauma and resulting hematoma causes perichondrium to to separate from the cartilage, which cuts off blood supply to the cartilage (causing cartilage necrosis); – Management: – aspiration and application of … Read more
– See: – X-rays for THR – X-rays for Femoral Neck Fractures – Discussion: – this view should demonstrate the iliac bone, sacrum, pubis, ischium, femoral heads and necks, and greater or lesser trochanters; – arcuate, iliopubic, ilioischial, and acetabular teardrop lines, sacral foramina, & SI … Read more
– Discussion: – usually involves a supination-adduction injury; – frequently does well w/ closed reduction; – if frx in fibula is transverse, it is type I avulsion fibular frx; – since syndesmotic ligaments are intact, ankle mortise is also stable; – type A: fibula fracture … Read more
– See: – Radiographic Evaluation – Blood Supply to Talus – Discussion: – may occur following talar neck fractures or may be atraumatic (from SLE, diabetes, MS ect); – absence of subchondral bone atrophy in talar dome on x-ray after 6 weeks following fracture implies AVN (see Hawkins Sign); – however, there is not direct correlation between development of AVN … Read more
– for treatment of classical hemophilia A to replace missing clotting factor to correct or prevent bleeding episodes of perform emergency or elective surgery; – Dosage: 1 AFH unit/kg increases Factor VIII concentration in body by approx 2%; – Prophylaxis of spontaneous hemorrhage = 5% normal; – Hemostasis following trauma or surgery = 30% normal; … Read more