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UNLABELLED Acute renal failure (ARF) following trauma is rare. Historically, ARF has been associated with a high mortality rate. To investigate this entity we conducted a retrospective review of 72,757 admissions treated at nine regional trauma centers over a 5-year period. Seventy-eight patients (0.098%) developed acute renal failure requiring(More)
BACKGROUND Peak oxygen consumption (Vo(2)) is routinely assessed in patients with heart failure undergoing cardiopulmonary exercise testing. The purpose of the present investigation was to determine the prognostic ability of several established peak Vo(2) prediction equations in a large heart failure cohort. METHODS AND RESULTS One thousand one hundred(More)
The traditionally wired interfaces of many electronic systems are in many applications being replaced by wireless interfaces. Testing of electronic systems (both integrated circuits and printed circuit boards) still requires physical electrical contact through probe needles and/or sockets. This paper addresses the state-of-the-art, options, and(More)
Enterprise software is being transformed from an installed product to a hosted service whereby customers pay a subscription fee to access functionality using a web browser or other clients. The service-oriented architecture (SOA) and web services will play a key role in driving the vision of software as a service (SaaS). As the number of services and users(More)
A new numerical approach to compute all real roots of a system of two bivariate polynomial equations over a given box is described. Using the Bernstein-Bézier representation, we compute the best linear approximant and the best quadratic approximant of the two polynomials with respect to the L norm. Using these approximations and bounds on the approximation(More)
Optimal therapy for diastolic heart failure (DHF), the most common form of heart failure in older persons, is unclear. To determine the effect of aldosterone antagonism in DHF, the authors conducted an open-label preliminary trial of spironolactone 25 mg/d in 11 women with DHF. Cardiopulmonary exercise testing, Doppler echocardiography, and a(More)
There is scarce information regarding the prognostic utility of peak exercise oxygen pulse (peak O(2) pulse), a surrogate for stroke volume, in patients with heart failure (HF). From May 1994 to November 2007, 998 patients with HF underwent cardiopulmonary exercise testing. The ability of peak oxygen uptake (VO(2)) and peak O(2) pulse to predict cardiac(More)