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BACKGROUND The accuracy of multidetector computed tomographic angiography (CTA) for the diagnosis of acute pulmonary embolism has not been determined conclusively. METHODS The Prospective Investigation of Pulmonary Embolism Diagnosis II trial was a prospective, multicenter investigation of the accuracy of multidetector CTA alone and combined with(More)
Reports of racial differences in the incidence of sarcoidosis, a granulomatous disorder of unknown etiology, are primarily based on studies of military and veteran populations. To determine racial differences in sarcoidosis incidence in a metropolitan population the authors conducted a study of newly diagnosed cases that occurred between 1990 and 1994 among(More)
OBJECTIVE The purpose of this study was 2-fold: (1) to analyze the degree and the location of lumbar multifidus asymmetry among patients scheduled for L4-L5 microdiscectomy, and (2) to determine the amount of asymmetry recognizable by a radiologist on magnetic resonance imaging. DESIGN Bilateral multifidi cross-sectional areas were measured on magnetic(More)
OBJECTIVE To determine whether the use of a nonsteroidal antiinflammatory drug (NSAID) in patients with painful osteoarthritis (OA) of the knee would result in alterations in specific biomechanical parameters of gait. METHODS Eighteen patients with symptomatic knee OA and varus knee deformity underwent initial clinical evaluation for pain and activities(More)
Idiopathic pulmonary fibrosis (IPF) is associated with significant morbidity and mortality despite aggressive therapy. Thirty-eight patients with biopsy-proven IPF were studied to identify pretreatment features that could be used to predict short-term improvement in pulmonary function and improved longer term survival. In all patients, a pretreatment(More)
The histologic and clinical similarities between tuberculosis and sarcoidosis suggest a shared underlying pathophysiology. Human natural resistance-associated macrophage protein (NRAMP1), which is closely related to the mouse gene, has been associated with susceptibility to tuberculosis in some human populations. Given the importance of the Nramp1 gene in(More)
BACKGROUND Pulmonary embolism is a potentially fatal disorder. Information about the outcome of clinically recognized pulmonary embolism is sparse, particularly given that new treatments for more seriously ill patients are now available. METHODS We prospectively followed 399 patients with pulmonary embolism diagnosed by lung scanning and pulmonary(More)
CONTEXT Two important areas of medicine, care of the critically ill and management of pulmonary disease, are likely to be influenced by the aging of the US population. OBJECTIVE To estimate current and future requirements for adult critical care and pulmonary medicine physicians in the United States. DESIGN, SETTING, AND PARTICIPANTS Analysis of(More)
OBJECTIVES To determine if vecuronium doses individualized by peripheral nerve stimulation are lower than those doses chosen by standard clinical techniques; and to determine whether patients monitored by peripheral nerve stimulation exhibit shorter recovery times and less prolonged neuromuscular blockade after discontinuation of vecuronium than control(More)