Effects of measurement intervals on the values of repeated auscultatory blood pressure measurements

Clinical and Experimental Hypertension : CHE
Miki ImamuraTakayoshi Ohkubo

Abstract

For repeated measurements of blood pressure (BP) using the auscultatory method, current guidelines recommend intervals of 1-2 minutes; however, evidence to support this recommendation is insufficient. In the present study, the effects of intervals among repeated BP measurements using the auscultatory method were evaluated. Systolic and diastolic BPs were measured using the auscultatory method in 37 participants. The measurements were repeated 5 times each at intervals of 15, 30, 60, 90, and 120 seconds. The changes in the BP along with the increasing the number of repetitions were assessed at each measurement interval using a linear mixed model. With an increasing number of measurements, the systolic and diastolic BPs showed significant progressive decrease and increase (p < 0.05), respectively, when the measurement interval was 15 seconds. However, the precision of BP measurements was not affected by performing the measurements at intervals of 30 seconds or longer. Repeated BP measurements using the auscultatory method need to have an interval of at least 30 seconds, which is shorter than the intervals recommended by the current guidelines.

References

Jan 1, 1977·Medical & Biological Engineering & Computing·H AlexanderL Steinfeld
Jul 20, 2002·Blood Pressure Monitoring·David WingfieldUNKNOWN Syst-Eur Investigators
Jan 31, 2004·American Journal of Hypertension·Nelson Rudi KoehlerAntônio Cláudio Mendes-Ribeiro
Mar 10, 2004·Physiological Measurement·John AllenAlan Murray
Jul 10, 2009·Behavior Research Methods·Christopher R WolfeKristopher Kopp
Jan 30, 2010·Blood Pressure Monitoring·Eoin O'BrienUNKNOWN Working Group on Blood Pressure Monitoring of the European Society of Hypertension
Jun 11, 2010·Hypertension Research : Official Journal of the Japanese Society of Hypertension·Mitsuru KobayashiYutaka Imai
Apr 8, 2014·Hypertension Research : Official Journal of the Japanese Society of Hypertension·Kazuaki ShimamotoUNKNOWN Japanese Society of Hypertension Committee for Guidelines for the Management of Hypertension

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Citations

Jan 15, 2022·Hypertension Research : Official Journal of the Japanese Society of Hypertension·Kei Asayama, Takayoshi Ohkubo

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