Validation of the oscillometric blood pressure monitor Vet20 SunTech in anesthetized healthy cats |
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| Institution: | 1. Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, USA;2. Department of Clinical Specialties, College of Veterinary Medicine, Midwestern University, Glendale, AZ, USA |
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| Abstract: | ObjectiveTo evaluate a veterinary-specific oscillometric noninvasive blood pressure (NIBP) system according to the guidelines of the American College of Veterinary Internal Medicine (ACVIM) Consensus Statement.Study designProspective clinical study.AnimalsA total of 33 client-owned cats (20 females and 13 males).MethodsCats were premedicated with methadone (0.3 mg kg?1) and alfaxalone (2 mg kg?1) intramuscularly. After 15 minutes anesthesia was induced with isoflurane (3%) in 100% oxygen by facemask while breathing spontaneously. A 22 gauge catheter was placed in the median caudal artery and systolic (SAP), diastolic (DAP) and mean (MAP) arterial pressures were measured. NIBP measurements were collected by placing the cuff (40% of limb circumference) on the right or left antebrachium. The agreement between the two methods was evaluated with the Bland–Altman methods, and the oscillometric NIBP device was evaluated using the ACVIM guidelines for validation of devices.ResultsData from 30 of the 33 cats were analyzed. Five paired measurements were taken from each cat, totaling 150 paired measurements. Mean bias (limits of agreements) for SAP, DAP and MAP were 2.7 (?22.7 to 28.1), 0.9 (?22.3 to 24.2) and 1.3 (?20.4 to 23.0). The oscillometric NIBP passed all validation criteria, except correlation which was <0.9 for SAP, DAP and MAP.Conclusions and clinical relevanceThe Vet20 did not meet all validation criteria by the ACVIM. However, all criteria except correlation were met. |
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| Keywords: | anesthesia arterial blood pressure cats noninvasive blood pressure oscillometric blood pressure |
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