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The efficacy, safety, and effects on hemostasis and coagulation of two doses of human tissue-type plasminogen activator in patients with acute and subacute peripheral arterial occlusion were compared. Seven patients with lower extremity ischemia and one patient with upper extremity ischemia had peripheral arterial thromboses (five arteries, three grafts)… (More)
BACKGROUND AND OBJECTIVES Standardized test doses have been established in the practice of anesthesiology to determine the location of the epidural catheter tip. The resulting data obtained after test dosing is open to interpretation, and comparison is difficult. A more objective method of catheter verification and epidural space measurement is indicated in… (More)
Using software to transform magnetic resonance imaging (MRI) tomographic data into three-dimensional projections, we have produced "angiograms" of the abdominal aorta in 18 patients with occlusive (15) and aneurysmal (3) disease. This information may be displayed to demonstrate flow, cross-sectional diameter, or aortic surface anatomy. To test the accuracy… (More)
Percutaneous tunable dye laser lithotripsy was used in two patients to successfully fragment a 2-cm left hepatic duct calculus and a 5-mm main pancreatic duct calculus. Tunable dye laser lithotripsy may prove to be a more effective alternative to mechanical lithotripsy.