| Comparison of a method using the HemoCue near patient testing device with a standard method of haemorrhage estimation in dogs undergoing spinal surgery. | |
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MedLine Citation:
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PMID: 20017818 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To compare an estimate of blood loss obtained using measurements from the Hemocue photometer with a standard estimate in dogs undergoing spinal surgery. STUDY DESIGN: Prospective clinical study. ANIMALS: Twenty-nine client-owned dogs. METHODS: During surgery, blood and all lavage fluids were collected in the suction container and on to swabs. To prevent blood clot formation in the suction container, 10 mL citrate-phosphate dextrose adenine (CPDA) was added. At the end of the procedure, the total volume in the suction container was recorded. It was shaken to ensure uniformity and a 5 mL sample tested with the HemoCue photometer. Blood loss in the suction container was calculated as follows: Blood in suction (mL) = volume in bottle (mL) x [suction haemoglobin (Hb) concentration (g dL(-1))/pre-operative Hb concentration (g dL(-1))]. This volume was added to the estimated volume of blood on the swabs (weight of soaked swabs minus that of dry swabs) to provide the Hemocue estimate of total blood loss. A standard haemorrhage estimate was performed using the volume of fluid in the suction container at the end of surgery in excess of the total volume of lavage fluid available, minus 10 mL CPDA. This volume was added to the estimated volume of blood on the swabs to provide the standard estimate of total blood loss. Data were analyzed with a paired t-test. Retrospective power calculations demonstrated an 80% power to detect a mean difference of 25 mL between the two methods with a level of significance of 0.05. RESULTS: There was no significant difference in calculated blood loss between the two methods (p = 0.8, mean difference: -2 mL, 95% CI: -20 to 16 mL). CONCLUSIONS AND CLINICAL RELEVANCE: The HemoCue may be used to help estimate blood loss in dogs undergoing spinal surgery. |
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Authors:
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Louise Clark; Federico Corletto; Laurent S Garosi |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Veterinary anaesthesia and analgesia Volume: 37 ISSN: 1467-2995 ISO Abbreviation: Vet Anaesth Analg Publication Date: 2010 Jan |
Date Detail:
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Created Date: 2009-12-18 Completed Date: 2010-03-01 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100956422 Medline TA: Vet Anaesth Analg Country: England |
Other Details:
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Languages: eng Pagination: 44-7 Citation Subset: IM |
Affiliation:
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Davies Veterinary Specialists, Manor Farm Business Park, Higham Gobion, Hertfordshire, UK. lc@vetspecialists.co.uk |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Anesthesia, General
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veterinary Animals Blood Loss, Surgical / veterinary* Dogs / blood, surgery Photometry / instrumentation, veterinary Spine / surgery* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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