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      Slow Continuous Intracorporeal Plasmapheresis for Acute Fluid Overload

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          Intermittent dialysis is still the predominant treatment for acute or chronic renal insufficiency in the USA despite increasing evidence that slower and longer fluid management therapies are more beneficial to the patient. We have investigated the use of slow continuous intracorporeal plasmapheresis (SCIP) as a more efficient and hemodynamically stable alternative means of treating acute fluid overload. In this paper we discuss preliminary observations on the safety of SCIP catheter insertion, fluid removal, extraction and pathology in Yorkshire pigs. SCIP catheters removed plasma for extracorporeal plasma water removal without significant gross or histopathological changes. Blood chemistry and cell counts remained stable during therapy. Toxicological studies indicated no pyrogenicity, hemolysis, cytotoxicity, acute systemic toxicity, delayed-type hypersensitivity, or blood recalcification coagulation inhibition. Intracutaneous extracts caused only mild irritation. SCIP therapy appears to be safe for use in the removal of plasma and plasma water from experimental animals.

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          Most cited references 7

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          Daily hemodialysis and the outcome of acute renal failure.

          Intermittent hemodialysis is widely used as renal-replacement therapy in patients with acute renal failure, but an adequate dose has not been defined. We performed a prospective study to determine the effect of daily intermittent hemodialysis, as compared with conventional (alternate-day) intermittent hemodialysis, on survival among patients with acute renal failure. A total of 160 patients with acute renal failure were assigned to receive daily or conventional intermittent hemodialysis. Survival was the primary end point of the study. The duration of acute renal failure and the frequency of therapy-related complications were secondary end points. The two study groups were similar with respect to age, sex, cause and severity of acute renal failure, medical or surgical intensive care setting, and the score on the Acute Physiology, Age, and Chronic Health Evaluation. Daily hemodialysis resulted in better control of uremia, fewer hypotensive episodes during hemodialysis, and more rapid resolution of acute renal failure (mean [+/-SD], 9+/-2 vs. 16+/-6 days; P=0.001) than did conventional hemodialysis. The mortality rate, according to the intention-to-treat analysis, was 28 percent for daily dialysis and 46 percent for alternate-day dialysis (P=0.01). In a multiple regression analysis, less frequent hemodialysis (on alternate days, as opposed to daily) was an independent risk factor for death. The high mortality rate among critically ill patients with acute renal failure who require renal-replacement therapy is related to both coexisting conditions and uremic damage to other organ systems. Intensive hemodialysis reduces mortality without increasing hemodynamically induced morbidity.
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            Interdialytic Weight Gain and Dry Weight

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              Indications for Dialysis in the ICU: Renal Replacement vs. Renal Support


                Author and article information

                Blood Purif
                Blood Purification
                S. Karger AG
                22 January 2003
                : 21
                : 1
                : 72-78
                aTransvivo, Inc., Napa, Calif.; bRenal Research Institute, New York, N.Y., USA, and cDepartment of Nephrology, St. Bortolo Hospital, Vicenza, Italy
                67861 Blood Purif 2003;21:72–78
                © 2003 S. Karger AG, Basel

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                Page count
                Figures: 4, Tables: 3, References: 14, Pages: 7
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