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295 records · Page 17Linked to original sources
PubMed1979

[A contribution to the stabilisation of the MVA-vaccine (author's transl)].

The titre of the MVA-vaccine remains constant at -20 degrees C with human serum albumin, sorbitol, Haemaccel, Rheomacrodex and cysteine within 8 month. At -20 degrees C the stability of the MVA-virus is equivalent to the Vaccinia-virus, stabilized by peptone and sorbitol. Storing the MVA-Virus at +4 degrees C, +20 degrees C for 8 month or at 27 degrees C for 4 weeks, 1% human serum albumin and 5% sorbitol preserves the virustitre best, but the stability of Vaccinia-virus with 5% peptone and 5% sorbitol can, however, not be obtained by the MVA-virus under these conditions.

Animals↗
PubMed1976

[Albumin kinetics in superior mesenteric artery shock in rats].

1. After 1-hour-tourniquet of the arteria mesenterical superior of the rat the result is a loss of intravasal fluid into the small intestine. After 2-hour-tourniquet the loss of fluid into the samll intestine can be higher than the volume of plasma circulating at the start of the experiment. During therapy with plasma substitute on base of gelatine (Haemaccel) the volume of content of the small intestine increases further. 2. After 1-hour-tourniquet the content of intravasal albumin is diminished by 26%, after 2-hour-tourniquet by 46%. Under therapy with a plasma substitute the loss of intravasal albumin increases further. 3. After 1-hour-tourniquet a transient accumulation of albumin was found in the wall of the samll intestine which was reduced after 2-hour-tourniquet. 4. The intravasal albumin is excreted in the small and the large intestine. After 1-hour-tourniquet 46% of excreted albumin was found in the small intestine after 2-hour-tourniquet 61%. It can be demonstrated, that under replacement with plasma substitute the result is mainly an "albumin dilution effect". The wall of the small intestine becomes permeable to high-molecular weight substances with an average molecular weight below 60.000. An effective therapy with the plasma substitute of the AMS-shock should, therefore, contain carrier substances with a molecular weight higher than 60.000.

Animals↗
PubMed1998

Plasma volume expansion with Haemaccel does not impair haemostasis during reduction mammaplasty.

OBJECTIVES: An in vivo study under well-controlled conditions was undertaken to determine the effect of Haemaccel, a colloidal plasma volume expander, on normal haemostasis. METHODOLOGY: Twenty patients, who were admitted for reduction mammaplasty, were included in this study. A standardised anaesthesia protocol was followed with all patients. Ten patients received 500 ml Haemaccel and 10 controls received 1,500 ml Ringer's lactate, a crystalloid solution. The solutions were administered intravenously during surgery over a period of 30-40 minutes. Standardised clinical observations and haematological tests were done at the following time intervals: after anaesthesia but before infusion of the plasma substitute, immediately after infusion was completed, and 20, 40 and 60 minutes after infusion. RESULTS: The blood pressure, pulse rate and O2 saturation levels were not influenced by the treatment given. Haemodilution was similar for the two patient groups. The platelet count and plasma levels of fibrinogen decreased in parallel with haemodilution. Thereafter the platelet count gradually increased to pre-infusion counts at 60 minutes. The prothrombin time (PT), activated partial thromboplastin time (aPTT), thrombin time (TT) and platelet aggregation in response to adenosine diphosphate (ADP) and collagen were not affected by the plasma volume expander given. Arachidonic acid-induced aggregation decreased significantly after Ringer's lactate was given but did not change when Haemaccel was given. The bleeding time was prolonged slightly, but not significantly, from 7.4 +/- 1.6 minutes to 8.8 +/- 1.6 minutes with Ringer's lactate and from 6.9 +/- 2.0 to 9.7 +/- 3.7 minutes with Haemaccel. CONCLUSIONS: We could not find any scientific evidence that Haemaccel affects haemostasis; neither does it increase bleeding relative to Ringer's lactate.

Adult↗
PubMedDate not supplied

Ascitic fluid filtration and intravenous infusion versus total-volume paracentesis with infusion of plasma expander in cirrhosis with tense or intractable ascites.

BACKGROUND: Patients with cirrhotic ascites have low serum albumin levels, and paracentesis of ascitic fluid could compromise them further. AIM: We compared the therapeutic efficacy of ascitic fluid filtration and concentrate infusion (AFI) versus total-volume paracentesis (TVP) with colloid infusion in control of tense or intractable cirrhotic ascites. METHODS: Ten patients underwent AFI; their ascitic fluid was filtered repeatedly through hollow-fiber hemodialyzer, and the concentrate reinfused intravenously. In ten patients TVP was done with simultaneous intravenous colloid infusion. Follow-up was done weekly and the study terminated if the patient needed diuretics or developed complications. RESULTS: Pre-study parameters were similar in the two groups. In the AFI and TVP groups, the duration of procedure was median 12 hours and 5.5 hours; fluid removed by paracentesis was 10.2 L and 8.0 L, respectively; and fluid infused intravenously was 0.5 L [with mean (SD) protein content 5.7 (1.3) g/dl] and 1.1 L, respectively. Glomerular filtration rates were lower than normal in the two groups but did not change significantly with the procedure; body weight remained significantly lower up to week 3 and week 2, respectively. The study was terminated at median week 3 (range 1-8) and week 2 (1-4), respectively. Fever was an accompaniment of AFI and one patient developed peritonitis. CONCLUSION: Patients undergoing AFI remained diuretic-free longer; the procedure is cost-effective but needs to be further evaluated to minimize the side-effects.

Ascites↗