Indirekt blodtrycksmätning hos hund och katt

Abstract: The objective of this study was to study the agreement between two methods of indirect bloodpressure measurement in dogs and cats and to establish the within-method variation for the methods. The utility and practicality in the clinical setting were also evaluated for the both methods. The techniques evaluated were the oscillometric method and the Doppler ultrasonographic method. Thirtytwo dogs and 26 cats were used in the study and seven dogs and five cats out of these animals had diseases that may effect the bloodpressure. Bloodpressure was measured in both anesthetized and in conscious animals. Based on the results of this study the oscillometric method obtained significantly lower measurement values compared to the Doppler technique in both species. The ocsillometric method underestimated the Doppler technique with a mean value of 10,9 mmHg in dogs and 26,5 mmHg in cats. For the cats the difference had a tendency to increase with increased pressures. Using linear regression the coefficients of correlation between the two methods were 0,63 for the dogs and 0,79 for the cats. The coefficients of variation were 4,2-7,4% for the oscillometric method and 2,0-6,4 % for the Doppler technique. The Doppler technique can be recommended for indirect bloodpressure measurement in cats. In twelwe out of the twentysix cats used in this study the oscillometric method was not efficient in obtaining blood pressure values. Hence the oscillometric method cannot be recommended for use in cats. Both the oscillometric method and the Doppler technique can be recommended for indirect bloodpressure measurement in dogs, but it is important to use a mean of several pressure readings. In clinical practice the oscillometric method was the most practical and the easiest technique to use in dogs.