Confiabilidad de un monitor automatizado para la medición de la presión arterial

Background A correct blood pressure (BP) measurement is essential for the diagnosis and control of high BP. Aim: To evaluate the agreement and repeatability of BP measurements with the OMRON HEM-7320-LA device compared to a mercury sphygmomanometer. Material and Methods: A cross-sectional study c...

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Autores principales: Cardona-Müller,David, Grover-Páez,Fernando, Guzmán-Saldivar,Víctor, Alanis-Sánchez,Guillermo A., Murguía-Soto,César, Totsuka-Sutto,Sylvia E., Quezada-Fernández,Patricia, Macías-Chumacera,Agustín, Cardona-Muñoz,Ernesto G., Ramos-Becerra,Carlos G.
Lenguaje:Spanish / Castilian
Publicado: Sociedad Médica de Santiago 2018
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872018000200190
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Sumario:Background A correct blood pressure (BP) measurement is essential for the diagnosis and control of high BP. Aim: To evaluate the agreement and repeatability of BP measurements with the OMRON HEM-7320-LA device compared to a mercury sphygmomanometer. Material and Methods: A cross-sectional study comparing BP measurements made by two randomly selected trained nurses and an automatic oscillometric device. The mercurial sphygmomanometer was connected to the automated device via a &#8220;T&#8221; type connector and a dual-head stethoscope was used, allowing simultaneous measurements. The results were analyzed with one-factor analysis of variance, Bland-Altman's test, repeatability coefficient (RC), and intra-class correlation coefficient (ICC). Results: Forty-nine participants aged 56 ± 19 years were included. Nineteen had hypertension (38%). We did not observe a significant difference in either systolic (SBP) or diastolic blood pressure (DBP) pressure measurements between the observers and the device. The mean difference was &#8722;0.09 mmHg (95% confidence intervals (CI)-0.9 to 0.7) for SBP and &#8722;0.9 mmHg (95% CI &#8722;1.7 to &#8722;0.13) for DBP. The RC for SBP (6.2, 5.2 and 5.8 mmHg) and DBP (4.7, 4.2 y 5.2 mmHg) was similar between the observers and the device. The ICC for SBP was 0.990 (95% CI 0.983 to 0.995, p < 0.01) and 0.986 (95% CI 0.977 to 0.991, p < 0.01) for DBP. Conclusions: There was a high level of agreement and similar measurement repeatability in the measurements performed by the automatic device and the mercurial sphygmomanometer. No differences in BP measurements were observed.