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At least 109 records · Page 6Linked to original sources
PubMed1999

Adenosine, the anxiolytic-like principle of the Arillus of Euphoria longana.

According to traditional usage, the extract of Longan Arillus was tested for its anxiolytic-like effect by application of the Vogel-type anti-conflict method in mice. The extract indicated significant activity at a dose of 2 g/kg, s.c., and results of the bioassay-oriented isolation revealed adenosine to be the active principle. Adenosine produced the anti-conflict effect significantly at a dose of 30 mg/kg, s.c. Adenine, uridine, and 5-methyluridine did not exhibit the effect, although these compounds were isolated from the extract. Some other related compounds such as AMP and c-AMP showed no effect, except for inosine. Adenosine also contributed to the analgesic effect which was observed in the extract by the writhing method.

Adenosine↗
PubMed2004

[Autologous transfusion -- from euphoria to reason: clinical practice based on scientific knowledge (Part II). Intraoperative blood salvage with blood irradiation -- from an anaesthesiological point of view].

The requirement for intraoperative blood salvage (IBS) in cancer surgery stems from the high transfusion rate, the unfavourable effects of an anaemia, and the impact of transfusion risks like immunomodulation in tumor patients. The advantages of IBS are availability, the low waste rate, and the excellent quality of this autologous, unstored blood. The only effective elimination of the risk of tumor cell dissemination after retransfusion of wound blood is achieved by blood irradiation. The combination of the established methods of IBS and blood irradiation is practical, and allows a very efficient saving of blood. For Jehovah's witnesses it may open the possibility for tumor surgery. From an anaesthesiological point of view it is part of the therapy, but any context that puts it compatible to medicolegal regulations is welcome. For him as the one responsible for the therapy of intraoperative blood loss it represents the safest and best blood for an optimal hemotherapy in tumor patients. In addition, first data indicate a better outcome of these patients.

Anesthesiology↗
PubMed2004

[Autologous transfusion -- from euphoria to reason: clinical practice based on scientific knowledge (Part II). Autologous transfusion in children -- blood saving techniques].

It is uncontested that blood-saving strategies should also be applied in children. However, in the past, blood-saving techniques saw limited use in children, although they are well-established in adults. This is due to technical and methodical problems, but also to the physiologically limited compensatory mechanisms for diminished oxygen delivery in this age group. For this reason, the various blood saving-techniques cannot be universally applied to all age groups. During the first year of life most perioperative techniques are of only limited benefit: even only a small amount of blood loss in relation to total blood volume makes a transfusion of allogeneic blood necessary, which is far before enough shed blood can be recovered for retransfusion. Preoperative autologous donation of blood calls for a high degree of cooperation by the child and the parents an is equally demanding in terms of organization and skills. Therefore, this procedure is used mainly in school-age children and in adolescents. Intraoperative blood salvage, by contrast, is already worthwhile in children from age one year with an expected blood loss of 20 % of blood volume. Acute normovolemic hemodilution and deliberate hypotension should be recommended only in an age group where cardiovascular compensatory mechanisms are given. Supporting procedures aimed at avoiding the need for allogeneic blood include perioperative administration of erythropoietin, iron supplementation, blood-saving surgical techniques and careful hemostasis. These prerequisites, the combination of various techniques, as well as the definition of an age-specific low transfusion trigger have contributed to a marked decrease in the need for allogeneic blood products in children in recent years.

Adult↗
PubMed2005

[Autologous transfusion - from euphoria to reason: clinical practice based on scientific knowledge. (Part IV). Artificial oxygen carriers: cell-free hemoglobin solutions -- current status 2004].

Because of an impending shortfall of allogeneic blood products within the next decades and ongoing problems such as transfusion reactions, immunomodulating side effects and the risk of bacterial, viral and prion transmission associated with relevant costs for testing and storage of banked RBC units which, additionally, suffer from aging processes, the development of alternatives has been intensified during the last 15 years. Modern chemically modified hemoglobin-based oxygen carriers (HBOC) are free of red blood cell membrane remnants eliminating renal toxicity, and they do not possess AB0 antigens which allows transfusion without knowledge of the respective blood group of a patient. Bovine polymerized cell-free hemoglobin can be stored at room temperature for three years. In contrast to the perfluorocarbon solutions, HBOC can be applied at room air oxygen concentrations. Animal experiments have shown that HBOC can compensate for intravascular volume deficits in hemorrhagic shock, including restoration of colloid osmotic pressure and organ perfusion, and deliver oxygen to organs and tissues during nearly complete blood exchange. Chemical modifications of HBOC are able to reduce the vasoconstrictive side-effect of HBOC which is caused by NO scavenging. In spite of vasoconstriction the increased oxygen extraction in presence of HBOC in combination with the plasmatic oxygen transport provides enhanced tissue oxygenation even in post-stenotic tissues. HBOC seem to improve the diffusive oxygen transport at the microcirculatory site thus decreasing tissue damage in acute pancreatitis and the heart and brain after ischemia/reperfusion injury. Clinical studies have shown that the peri-operative use of different HBOC (Hemopure, PolyHeme, Hemolink and HemAssist) can reduce the number of allogeneic RBC units and increase the avoidance rate of allogeneic transfusion in emergency bleeding, vascular, cardiac and non-cardiac surgery. Polymerized HBOC appear to have a lower potential of side effects in comparison to intra-molecularly cross-linked preparations. However, HBOC-201 (Hemopure) is the only substance which has been licensed for the treatment of patients with acute peri-operative anemia in South Africa until now.

Animals↗
PubMed1986

Molecular euphoria.

Explore the source record for details and available documents.

Chromosome Mapping↗
PubMed2000

Electronic commerce: beyond the euphoria.

As the center of considerable media attention, case study articles, vendor research, and development efforts, electronic commerce technology is entering healthcare and having a profound effect. The simple truth, however, is that after the drama and excitement begins to wear off, completing a successful e-commerce implementation remains good old-fashioned hard, sometimes monotonous work. To be successful, e-commerce technologies must be planned and implemented with rigorous project standards, and incorporated with significant process and workflow reengineering to actually return significant value to the organization. This article briefs readers on the organizational issues they must consider in evaluating e-commerce readiness--cultural, executive and technological factors that either support or inhibit project and technology success. Readers will be left with the tools to conduct an electronic commerce "readiness assessment" to evaluate the immediate, mid- and long-term potential of electronic commerce; practical remediation strategies for better preparing the organization for the changes inherent in moving to an e-commerce-enabled business model; and comments from the field--advice from organizations that have successfully implemented e-commerce technologies into their ongoing operations.

Commerce↗