Measurement of arterial blood pressure in the sow. A comparison between an invasive and an automatic oscillometric method. |
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| Authors: | T Knævelsrud T Framstad |
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| Institution: | Department of Reproduction and Forensic Medicine, Norwegian College of Veterinary Medicine |
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| Abstract: | Systolic, mean and diastolic indirect arterial blood pressures were measured on 8 occasions in 6 sows using a tail cuff and an automatic oscillometry apparatus and compared with direct values. The equations for the regression lines gave the intercepts 31.7 (systole), 20.5 (mean) and 14.2 (diastole) with the regression coefficients 0.97, 0.93 and 0.96 and the correlation coefficients 0.91, 0.93 and 0.95. The significance of cuff bladder width and length and of location and fitting on the tail is discussed. The apparatus offered a simple, reliable method for automatic recording of blood pressures during routine anaesthesia in the sow. |
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