Document Detail

The effect of colloid formulation on colloid osmotic pressure in horses with naturally occurring gastrointestinal disease.
MedLine Citation:
PMID:  25237987     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND: Naturally occurring gastrointestinal disease is an important cause of acute hypoproteinemia in adult horses and hydroxyethyl starch colloid fluid treatment is a component of supportive care in these cases to improve plasma volume and maintain colloid osmotic pressure (COP). The objectives of the present study were to compare 2 formulations of high molecular weight hydroxyethyl starch and their relative effect on COP, acid-base status, and survival of horses with acute hypoproteinemia secondary to gastrointestinal disease.
METHODS: Twenty adult horses, ≥ 1 year of age, were prospectively enrolled, with informed client consent, if they developed acute hypoproteinemia, defined as a plasma total protein <5.0 g/dL or albumin <2.2 g/dL during hospitalization while undergoing treatment for gastrointestinal disease. Horses were randomly assigned to receive a rapid infusion of either 6% hydroxyethyl starch in 0.9% saline or 6% hydroxyethyl starch in lactated ringers solution at a dose of 10ml/kg. Venous blood gas analysis, COP, and PCV were evaluated before and after colloid administration.
RESULTS: For both groups, average COP prior to treatment was 11.0 mmHg (9.7 - 12.2 mmHg) and post colloid treatment was 13.2 mmHg (12.0 -14.7 mmHg) [Normal range 18 - 22 mmHg]. COP was significantly increased with colloid treatment (p<0.001) but this increase was not significantly different between treatment groups. Venous pH did not change significantly with treatment. Twelve horses survived to hospital discharge and survival did not differ significantly between treatment groups.
CONCLUSIONS: Post-treatment COP improved approximately 20% regardless of the formulation used, however, values did not reach the normal range of COP observed in healthy horses. Acid-base parameters were not significantly impacted by either treatment. Further study is needed to determine how these two products compare with regards to other outcome measures. Evaluation of the relative effects of colloid formulation in horses with clinical disease is a future area of interest.
Fausto Bellezzo; Timothy Kuhnmuench; Eileen S Hackett
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Publication Detail:
Type:  Journal Article     Date:  2014-07-07
Journal Detail:
Title:  BMC veterinary research     Volume:  10 Suppl 1     ISSN:  1746-6148     ISO Abbreviation:  BMC Vet. Res.     Publication Date:  2014  
Date Detail:
Created Date:  2014-09-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101249759     Medline TA:  BMC Vet Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  S8     Citation Subset:  IM    
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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