PubMed · 7218710
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V B Maksimenko. 1981. [Errors in preparing for and performing artificial blood circulation].. https://pubmed.ncbi.nlm.nih.gov/7218710/
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In summary, on-line HDF is an extracorporeal blood purification therapy with increased convective removal of uremic toxins as compared to the most frequently used low- or high-flux HD therapy. The clinical advantages of on-line HDF have shown to be dose dependent, which makes on-line HDF superior to other therapies with less convective solute removal. Among the therapies with high convective solute removal, i.e. on-line HDF, on-line HF and double high-flux dialysis, it is difficult to finally decide on the best therapy, as direct comparisons of these therapies are not performed. Theoretical considerations like the relative to on-line HDF lower achievable Kt/Vurea with on-line HF, allow to state that on-line HDF is the top therapy now available for patients with ESRD. A gold standard may be defined as something with which everything else is compared if one tries to establish it in the respective field. In order to declare on-line HDF as the gold standard in renal replacement therapy, we need more direct comparisons of on-line HDF with other therapies, including mortality as an outcome parameter. However, based on our current knowledge, it does not seem to be too speculative that high-quality clinical studies will establish on-line HDF in the next years as the new gold standard in renal replacement therapy.
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BACKGROUND: Extracorporeal life support (ECLS) is an effective technique for providing emergent circulatory assistance, and may represent a life-saving option in patients who might not initially be considered a candidate for other forms of circulatory support (extracorporeal or implantable left ventricular assist device [LVAD]). In the setting of cardiac arrest, ECLS represents the only viable method of initiating circulatory support. However, ECLS has a number of disadvantages that include high complication rates (eg, stroke, bleeding) and a limited duration of potential support, which have prevented its widespread acceptance, particularly in the adult population. With the increased successful application of long-term implantable LVADs as a bridge to transplant, the major limitation of ECLS could be overcome by bridging patients to a long-term implantable LVAD ("bridge to bridge"), thereby reducing the reluctance to utilize ECLS when indicated. After acquisition of the HeartMate LVAD (Thermo Cardiosystems, Inc, Woburn, MA) we investigated the use of ECLS as a bridge to an implantable LVAD and subsequent transplantation in selected high-risk patients. METHODS AND RESULTS: From Oct 1, 1996 to Sept 30, 2000, 33 adult patients presenting with cardiac arrest or severe hemodynamic instability were placed on ECLS for the bridge to bridge indication. Of the 33 patients, 10 patients survived to LVAD implant, 1 was bridged directly to transplant, 5 weaned from ECLS, and 16 died on ECLS. Overall, 12 patients survived to discharge. One-year actuarial survival from the initiation of ECLS was 36%. One-year actuarial survival from the time of LVAD implant, conditional on surviving ECLS, was 80%. CONCLUSIONS: The 1-year survival of adult patients placed on ECLS and who subsequently survived to an implantable LVAD was favorable. These data support a strategy of ECLS to implantable LVAD bridge to heart transplant in adult patients who are in need of circulatory support and who are not initially candidates for other forms of mechanical support. The favorable results of this strategy support utilization of ECLS even in situations where myocardial recovery is thought to be unlikely.