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Comparison of Doppler ultrasonography and high-definition oscillometry for blood pressure measurements in healthy awake dogs.

Abstract : OBJECTIVE: To determine the intra- and interobserver variability of systolic arterial pressure (SAP) and diastolic arterial pressure (DAP) measurements obtained with 2 indirect methods in awake dogs and percentage of successful measurements. ANIMALS: 6 healthy conscious adult dogs. PROCEDURES: 4 observers with different levels of training measured SAP and DAP on 4 days by use of Doppler ultrasonography (DU) and high-definition oscillometry (HDO). The examinations were randomized. Measurements for each technique were recorded 5 consecutive times, and mean values (total, 720 measurements) were used for statistical analysis. RESULTS: All within- and between-day coefficients of variation (CVs) for SAP were < 15% irrespective of the observer or method (HDO, 3.6% to 14.1%; DU, 4.1% to 12.4%). Conversely, half the CVs for DAP were > 15% with the highest within- and between-day CVs obtained by the least experienced observer by use of DU (19.5% and 25.9%, respectively). All attempts with HDO were successful, whereas DAP could not be measured by use of DU by the least experienced observer in 17% of attempts. CONCLUSIONS AND CLINICAL RELEVANCE: SAP may be assessed in healthy dogs by use of DU and HDO with good repeatability and reproducibility after a short period of training. Conversely, the variability of DAP is higher and longer training is required to assess DAP via DU than via HDO.
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Submitted on : Monday, August 2, 2010 - 8:50:42 AM
Last modification on : Saturday, May 30, 2020 - 11:57:19 PM
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Valérie Chetboul, Renaud Tissier, Vassiliki Gouni, Virginie de Almeida, Hervé Lefebvre, et al.. Comparison of Doppler ultrasonography and high-definition oscillometry for blood pressure measurements in healthy awake dogs.. American Journal of Veterinary Research, American Veterinary Medical Association, 2010, 71 (7), pp.766-72. ⟨10.2460/ajvr.71.7.766⟩. ⟨inserm-00507837⟩

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