Kidney international. Supplement
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Randomized Controlled Trial Multicenter Study Comparative Study Clinical Trial
Effects of dual blockade of the renin-angiotensin system in primary proteinuric nephropathies.
Blockade of the renin-angiotensin system (RAS) with angiotensin converting enzyme (ACE) inhibitors or with angiotensin II type 1 (AT1) receptor blockers has been shown to reduce proteinuria and to slow down the progression of renal disease in diabetic and non-diabetic primary proteinuric nephropathies. Additionally, this beneficial effect is not dependent on blood pressure control. ⋯ Dual blockade of the renin-angiotensin system with ACE inhibitors and AT1 receptor blockers produces a beneficial antiproteinuric effect that could not be explained only by the systemic blood pressure reduction. All treatments were well tolerated.
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Randomized Controlled Trial Clinical Trial
Early quality of life benefits of icodextrin in peritoneal dialysis.
Early quality of life benefits of icodextrin in peritoneal dialysis. ⋯ Peritoneal dialysis patients treated with icodextrin experienced substantial quality of life improvement at 13 weeks after the start of treatment when compared to dextrose patients. Further research is necessary to determine patients' quality of life over time in a longitudinal study setting.
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Continuous venovenous hemodialysis treatment in critically ill patients after liver transplantation.
Acute renal failure (ARF) in critically ill patients is associated with a high mortality rate. Continuous renal replacement therapy (CRRT) is now widely used for the treatment of ARF in these critically ill patients. We retrospectively analyzed the role of CRRT as a prognostic parameter in patients receiving a cadaveric liver graft in 1998. ⋯ The necessity for CRRT in patients after liver transplantation correlates with a high risk of death. Thus, more efforts have to be made to prevent renal failure in patients after liver transplantation.
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While there is clear support for the use of continuous renal replacement therapy (CRRT) in critically ill acute renal failure patients, there are other illnesses without renal involvement where CRRT might be of value. These include sepsis and other inflammatory syndromes such as acute respiratory distress syndrome (ARDS) and cardiopulmonary bypass where removal of inflammatory mediators by hemofiltration is hypothesized to improve outcome. ⋯ Continuous and therefore smooth fluid removal may improve organ function in ARDS, after surgery with cardiopulmonary bypass, and in patients with refractory congestive heart failure. Continuous removal of endogenous toxins, eventually combined with intermittent hemodialysis, is probably beneficial in inborn errors of metabolism, severe lactic acidosis, or tumor lysis syndrome.
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Review
Use of adsorptive mechanisms in continuous renal replacement therapies in the critically ill.
The pathophysiology of sepsis is becoming a more complicated scenario. In sepsis, endotoxin or other gram-positive derived products induce a complex and dynamic cellular response giving rise to several mediators known to be relevant in the pathogenesis of septic shock, such as specific mediators. substances responsible for up- or down-regulation of cytokine receptors and cytokine antagonists, inactivators of nuclear factor-kappaB or signal transduction pathways, and precursor molecules. ⋯ The rationale is based on the assumption that the nonspecific removal of several mediators of the inflammatory cascade and cytokine network may improve outcome in a rabbit model of septic shock and hemodynamics in a pilot clinical study. The importance of looking for innovative treatments specifically targeted for the special needs of the critically ill patients rather than using concepts and technology applied to the treatment of chronic renal failure is underlined.