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The past 20 years have seen major advances in the diagnosis and management of brain abscess, with a corresponding improvement in the survival rates. The advances in radiographic scanning, the availability of new antimicrobials, and the development of novel surgical techniques have all contributed to the decreases in associated morbidity and mortality. The(More)
Epithelial Na(+) channels (ENaCs) are activated by extracellular trypsin or by co-expression with channel-activating proteases, although there is no direct evidence that these proteases activate ENaC by cleaving the channel. We previously demonstrated that the alpha and gamma subunits of ENaC are cleaved during maturation near consensus sites for furin(More)
The gene causing cystic fibrosis (CF) has been recently cloned, and the major mutation (delta F508) accounting for approximately 70% of CF chromosomes has been uncovered. We have identified at the 3' end of intron 6 in the CF gene a 4-bp tandem repeat (GATT) that exhibits interesting features. First, PCR screening of 103 normal individuals revealed that the(More)
Charcot-Marie-Tooth disease (CMT) is a genetically heterogeneous disorder that has been associated with alterations of several proteins: peripheral myelin protein 22, myelin protein zero, connexin 32, early growth response factor 2, periaxin, myotubularin related protein 2, N-myc downstream regulated gene 1 product, neurofilament light chain, and kinesin(More)
We review the clinical and histologic features of 17 patients with cryoglobulinemia and renal disease. Most cases were associated with evidence of hepatitis C virus (HCV), although a significant minority had no evidence of HCV. The most common histologic pattern for renal involvement was membranoproliferative glomerulonephritis, which was seen in both(More)
Objective: Patients with critical illness commonly develop acute renal failure requiring mechanical support in the form of either continuous renal replacement therapy (CRRT) or intermittent hemodialysis (IRRT). As controversy exists regarding which modality should be used for most patients with critically illness, we sought to determine whether CRRT or IRRT(More)
OBJECTIVE To compare two forms of continuous renal replacement therapy, continuous venovenous hemofiltration (CVVH) vs. continuous venovenous hemodialysis (CVVHD), in terms of the removal of inflammatory mediators from the blood of patients with systemic inflammatory response syndrome and acute renal failure. DESIGN Randomized crossover, clinical study.(More)
BACKGROUND Acute renal failure (ARF) is associated with a persistent high mortality in critically ill patients in intensive care units (ICUs). Most studies to date have focused on patients with established, intrinsic ARF or relatively severe ARF due to multiple factors. None have examined outcomes of dialysis-dependent chronic renal failure [end-stage renal(More)
OBJECTIVE To determine the frequency and severity of kidney abnormalities in patients with diffuse scleroderma. METHODS All patients with diffuse scleroderma seen at the University of Pittsburgh between 1972 and 1993 were included in the study. Kidney function tests were routinely obtained as part of the Pittsburgh Scleroderma Outcome Study. Additional(More)