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Fistulas are the preferred permanent hemodialysis vascular access but a significant obstacle to increasing their prevalence is the fistula's high "failure to mature" (FTM) rate. This study aimed to (1) identify preoperative clinical characteristics that are predictive of fistula FTM and (2) use these predictive factors to develop and validate a scoring(More)
BACKGROUND Myocardial recovery after ventricular assist devices (VAD) is rare but appears more common in nonischemic cardiomyopathies (NICM). We sought to evaluate left ventricular (LV) end diastolic diameter (LVEDD) for predicting recovery after VAD. METHODS AND RESULTS NICM patients receiving long-term mechanical support between 1996 and 2008 were(More)
We conducted a retrospective study to update the bacteriology of 46 cases of anaerobic empyema that were originally studied between 1976 and 1993 at the Wadsworth Anaerobic Bacteriology Clinical Research Laboratory (Los Angeles). Anaerobic bacteriologic studies were completed for all 46 pleural fluid specimens, and aerobic bacteriologic studies were(More)
Peritoneal dialysis (PD) is now an established and successful alternative to hemodialysis. Multiple studies have confirmed its equivalent dialysis adequacy, mortality and fluid balance status, at least for the first 4-5 years. Peritoneal membrane failure is now one of the leading cause of technique failure. This review describes the role of glucose, glucose(More)
OBJECTIVES The objective of this study was to correlate tissue Doppler imaging of the right ventricle (RV) with pulmonary hemodynamics in patients referred for right heart catheterization. METHODS Seventy subjects (mean age 54 +/- 13; 35 males) prospectively underwent tissue Doppler imaging of the RV and right heart catheterization within 1 day of each(More)
OBJECTIVE It has been proposed that biocompatible bicarbonate/lactate based (Bic/Lac), physiologic-pH peritoneal dialysis (PD) solutions will be beneficial in long-term PD. However, we do not yet have detailed knowledge concerning the comparative physiology of buffer transport for these new solutions and their impact on underlying peritoneal transport of(More)
BACKGROUND Determination of pulmonary vascular resistance (PVR) in patients with suspected or known pulmonary hypertension (PH) requires right heart catheterization. Our purpose was to use Doppler echocardiography to estimate PVR in patients with PH. METHODS Patient population consisted of 52 patients (53 +/- 12 years; 35 females) who underwent Doppler(More)
The boundary between the network edge and the front-end servers of the data center is blurring. Appliance vendors are flooding the market with new capabilities, while switch/router vendors scramble to add these services to their traditional transport services. The result of this competition is a set of ad-hoc technologies and capabilities to provide(More)
The compute requirements associated with the TCP/IP protocol suite have been previously studied by a number of researchers. However, the recently developed 10-Gigabit Networks such as 10-Gigabit Ethernet and InfiniBand have added a new dimension of complexity to this problem, Memory Traffic. While there have been previous studies which show the implications(More)