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Revista Cubana de Investigaciones Biomédicas
versión On-line ISSN 1561-3011
Resumen
ALDAMA, Alfredo; ARMANDO, Seuc; REYES, Bárbara y 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
Palabras clave : Systolic pressures; doppler; interindividual variability; variability.