Abstract

ALDAMA, Alfredo; ARMANDO, Seuc; REYES, Bárbara  and  RODRIGUEZ, Alicia. Interobserver  variability of the systolic pressures by the  Doppler method. Rev Cubana Invest Bioméd [online]. 2004, vol.23, n.3, pp. 144-149. ISSN 1561-3011.

30 patients were independently and blindly studied by 2 technicians. Their humeral systolic, popliteal, pedal and posterior tibial arterial pressures were measured on the right side to quantify the interobserver variability in the measurement of  the systolic pressures of the limbs with a Doppler speedometer. Arterial pressure values between 46 mmHg and 250 mmHg were found. In the popliteal artery and in the  pedal and the posterior tibial, it was observed a regression straight line with a mildly negative slope, differently from the arm, where  the slope was slightly negative, with a mean and confidence interval ranges for the differences and the means of the differences  more elevated than the observed at the arm level. The measurement variablity between the 2 observers was small. The popliteal artery was stressed as the responsible for the  greatest differences

Keywords : Systolic pressures; doppler; interindividual variability; variability.

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