Objectives: to characterize oscillometric blood pressure measurement devices for sale in the virtual market and identify which ones have undergone a validation study. Methods: this was a cross sectional study. The search for devices for sale was conducted on websites, and the sample was composed of 137 devices obtained from 644 ads. We conducted a bibliographic survey in five databases and web pages enlisting devices submitted for validation. The Kolmogorov-Smirnov test was used to check data distribution, followed by Mann-Whitney and Kruskal-Wallis tests for comparisons, using the SAS 9.4 program. Results: only 16.7% of the devices were validated. The home devices ranged from USD 10.57 to USD 275.67. Only 102 ads informed the cuff size, with different nomenclatures. Conclusions: most ads contained non-validated devices, which were cheaper. We identified some ads falsely informing validation.
Objective: to compare blood pressure values obtained by auscultatory and oscillometric methods in different gestational periods, considering cuff width. Method: it is a crosssectional and quasi-experimental study approved by the Research Ethics Committee. The sample consisted of 108 low-risk pregnant women. Blood pressure measurements were performed in gestational periods of 10-14, 19-22 and 27-30 weeks. Results: The oscillometric device presented values similar to the auscultatory method in systolic blood pressure, but overestimated diastolic blood pressure. Underestimation of blood pressure occurred when using the standard width cuff rather than the correct width cuff in both measuring methods. Conclusion: Verification of brachial circumference and use of adequate cuffs in both methods are indispensable to obtain reliable blood pressure values in pregnant women. We recommend performance of additional studies to evaluate diastolic blood pressure overestimation by the Microlife 3BTO-A. RESUMOObjetivo: Comparar os valores de pressão arterial, obtidos pelos métodos auscultatório e oscilométrico em diferentes períodos gestacionais, em função da largura do manguito. Método: Trata-se de um estudo transversal e quase-experimental aprovado pelo Comitê de Ética em Pesquisa. A amostra foi composta por 108 gestantes de baixo risco. As medidas de pressão arterial foram realizadas nos períodos gestacionais de 10-14, 19-22 e 27-30 semanas. Resultados: O aparelho oscilométrico apresentou valores similares ao método auscultatório na pressão arterial sistólica, porém superestimou a pressão arterial diastólica. Houve subestimação da pressão arterial ao utilizar o manguito de largura padrão ao invés do manguito de largura correta, nos dois métodos. Conclusão: A verificação da circunferência braquial e o uso de manguitos adequados nos dois métodos são indispensáveis para obter valores confiáveis da pressão arterial em gestantes. Recomendamos que novos estudos sejam realizados para avaliar a superestimação da pressão arterial diastólica pelo aparelho Microlife 3BTO-A. Descritores: Gravidez; Pressão Arterial; Hipertensão Induzida pela Gravidez; Monitores de Pressão Arterial; Determinação da Pressão Arterial. RESUMENObjetivo: Comparar los valores de presión arterial obtenidos por los métodos auscultatorio e oscilométrico en distintos períodos del embarazo, en función del ancho del manguito. Método: Se trata de un estudio transversal y cuasiexperimental aprobado por el Comité de Ética en Investigación. Se analizó una muestra compuesta por 108 embarazadas de bajo riesgo. Las medidas de presión arterial se obtuvieron en los períodos gestacionales de 10-14, 19-22 y 27-30 semanas. Resultados: El aparato oscilométrico presentó valores similares al método auscultatorio en la presión arterial sistólica, sin embargo sobreestimó la presión arterial diastólica. Hubo subestimación de la presión arterial al utilizar el manguito de anchura estándar en lugar del manguito de anchura adecuada, en los dos métodos de medida. Conclusión: La verificación ...
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