PubMed · 13260639
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E K WESTLAKE. 1955-10-15. Dangerous bronchitis.. https://doi.org/10.1136/bmj.2.4945.960
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This paper deals with fitting piecewise terms in regression models where one or more break-points are true parameters of the model. For estimation, a simple linearization technique is called for, taking advantage of the linear formulation of the problem. As a result, the method is suitable for any regression model with linear predictor and so current software can be used; threshold modelling as function of explanatory variables is also allowed. Differences between the other procedures available are shown and relative merits discussed. Simulations and two examples are presented to illustrate the method.
Cefprozil is a novel third generation, broad-spectrum oral cephalosporin with activity against a spectrum of aerobic gram-negative and positive bacteria, as well as certain anaerobes. The beta-lactamase stability of cefprozil may exceed that of other oral cephalosporins for some important pathogens. Cefprozil may be a suitable alternative to several other commonly used beta-lactams and cephalosporins in the treatment of mild to moderate upper and lower respiratory tract infections including sinusitis, otitis media, pharyngitis/tonsillitis, secondary bacterial infection of acute bronchitis, and acute bacterial exacerbations of chronic bronchitis, and skin and skin structure infections in children. Available data indicate the safety of cefprozil in both pediatric and adult population.
This case report describes a lumbar epidural abscess that caused septic shock. A 48-year-old woman who developed a high temperature was diagnosed as having a respiratory tract infection. She became unconscious the next day and was transferred to the intensive care unit for monitoring and treatment. She complained of increasing lower back pain as consciousness improved. Magnetic resonance images of the lumbar spine showed an abscess shadow between the vertebral body and dura mater at the level of L3-S1. Surgical drainage of the epidural abscess was performed as an emergency procedure, and the patient recovered immediately. The primary source of the epidural abscess was probably the respiratory tract infection, which spread to the epidural space through hematogenous dissemination. The initial treatment of the epidural abscess was rest and antibiotics, but surgical treatment was needed to save the patient because of septic shock.