ArticleJournal of veterinary emergency and critical care (San Antonio, Tex. : 2001)
The establishment of reference intervals for the ClotPro thromboelastometry device in healthy dogs.
Article in Journal of veterinary emergency and critical care (San Antonio, Tex. : 2001). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- The establishment of reference intervals for the ClotPro thromboelastometry device in healthy dogs.Journal of veterinary emergency and critical care (San Antonio, Tex. : 2001)Article
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5 authors.
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Abstract
objectiveTo establish reference intervals using a new point-of-care thromboelastometry device in dogs for the extrinsically activated test (EX-test), intrinsically activated test (IN-test), fibrin polymerization test (FIB-test), ecarin test (ECA-test), and tissue plasminogen activator test (TPA-test) and to investigate the effects of storage time on the results.
designProspective clinical study in 2022.
settingUniversity teaching hospital. ANIMALS: Forty-eight healthy privately or university-owned dogs were prospectively enrolled and included on the basis of normal physical examination and normal baseline laboratory results (CBC, biochemistry profile, prothrombin time, and activated partial thromboplastin time [aPTT]).
interventionsAfter a 30-minute storage time, the EX-test, IN-test, FIB-test, ECA-test, and TPA-test were performed on citrated blood samples. To determine the effect of storage time, 11 samples had the EX-test, FIB-test, and IN-test repeated 90 and 150 minutes after sample collection. MEASUREMENTS AND MAIN
resultsTen thromboelastometry parameters were evaluated for each test. Reference intervals were calculated using the robust method for parametric data, and the robust Box-Cox transformed or nonparametric methods were used for nonparametric data. Increasing storage time resulted in more hypocoagulable tracings. A correlation was found between the IN-test and aPTT (r = 0.62, P < 0.0001). Other weak to moderate correlations were seen between thromboelastometry parameters and platelet count and hematocrit. CONCLUSIONS AND CLINICAL IMPORTANCE: The development of reference intervals for the thromboelastometry device allows for the clinical use of this technology. Analyzing samples after a prolonged storage time of more than 30 minutes may result in erroneous results. Results may also be affected by an abnormal hematocrit or platelet count.
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