Validation study of an automated wrist monitor, omron model HEM-608, compared with the standard methods for blood pressure measurement

Plavnik, Frida Liane; Zanella, Maria Teresa

doi:10.1590/s0066-782x2001001200004

Cited by 10 publications

(8 citation statements)

References 6 publications

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“…However, this difference may relate to diverse limb positions for wrist-cuff BP measurement, a factor that has not adequately cited in previous reports. Our findings also oppose some previous reports approving the validity of wrist monitor measurements 5,16,17. This diversity may be due to different study groups since our group was averagely older than theirs and was from a high risk population.…”

Section: Discussioncontrasting

confidence: 98%

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The impact of arm position and pulse pressure on the validation of a wrist-cuff blood pressure measurement device in a high risk population

Khoshdel

Carney²,

Gillies³

2010

IJGM

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Despite the increasing popularity of blood pressure (BP) wrist monitors for self-BP measurement at home, device validation and the effect of arm position remains an issue. This study focused on the validation of the Omron HEM-609 wrist BP device, including an evaluation of the impact of arm position and pulse pressure on BP measurement validation. Fifty patients at high risk for cardiovascular disease were selected (age 65 ± 10 years). Each patient had two measurements with a mercury sphygmomanometer and three measurements with the wrist BP device (wrist at the heart level while the horizontal arm supported [HORIZONTAL], hand supported on the opposite shoulder [SHOULDER], and elbow placed on a desk [DESK]), in random order. The achieved systolic BP (SBP) and diastolic BP (DBP) wrist-cuff readings were compared to the mercury device and the frequencies of the readings within 5, 10, and 15 mmHg of the gold standard were computed and compared with the British Hypertension Society (BHS) and Association for the Advancement of Medical Instrumentation (AAMI) protocols. The results showed while SBP readings with HORIZONTAL and SHOULDER positions were significantly different from the mercury device (mean difference = 7.1 and 13.3 mmHg, respectively; P < 0.05), the DESK position created the closest reading to mercury (mean difference = 3.8, P > 0.1). Approximately 71% of SBP readings with the DESK position were within ±10 mmHg, whereas it was 62.5% and 34% for HORIZONTAL and SHOULDER positions, respectively. Wrist DBP attained category D with BHS criteria with all three arm positions. Bland–Altman plots illustrated that the wrist monitor systematically underestimated SBP and DBP values. However a reading adjustment of 5 and 10 mmHg for SBP and DBP (DESK position) resulted in improvement with 75% and 77% of the readings being within 10 mmHg (grade B), respectively. AAMI criteria were not fulfilled due to heterogeneity. The findings also showed that the mismatch between the mercury and wrist-cuff systolic BP readings was directly associated with pulse pressure. In conclusion the DESK position produces the most accurate readings when compared to the mercury device. Although wrist BP measurement may underestimate BP measured compared to a mercury device, an adjustment by 5 and 10 mmHg for SBP and DBP, respectively, creates a valid result with the DESK position. Nevertheless, considering the observed variations and the possible impact of arterial stiffness, individual clinical validation is recommended.

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Section: Discussioncontrasting

confidence: 98%

“…Nevertheless, our study group has more similarity with the average patients in routine clinics and consequently has better clinical applicability than studies on healthy individuals. We observed better validity and less dispersion for DBP measurement compared to SBP with the wrist-cuff device which is supported by previous studies 16,17…”

Section: Discussionsupporting

confidence: 91%

The impact of arm position and pulse pressure on the validation of a wrist-cuff blood pressure measurement device in a high risk population

Khoshdel

Carney²,

Gillies³

2010

IJGM

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“…Although the gold-standard for this measurement is the mercury sphygmomanometer, previously published evaluations of digital monitors emphasize their ease of use in population-based settings and the similarity between results obtained using this equipment and the gold-standard [12,19]. …”

Section: Discussionmentioning

confidence: 99%

“…This monitor has been validated previously and the authors' conclusion was: "the wrist monitor is not only easy to use, but also produces results very similar to those obtained by the standard indirect method" [12]. …”

Section: Methodsmentioning

confidence: 99%

Maternal anthropometric characteristics in pregnancy and blood pressure among adolescents: 1993 live birth cohort, Pelotas, southern Brazil

et al. 2010

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BackgroundWe investigated the association between maternal anthropometric measurements in prepregnancy and at the end of pregnancy and their children's systolic (SBP) and diastolic (DBP) blood pressure at 11 years of age, in a prospective cohort study.MethodsAll hospital births which took place in 1993 in the city of Pelotas - Brazil, were identified (5,249 live births). In 2004, the overall proportion of follow-up was 85% and we obtained arterial blood pressure measurements of 4,452 adolescents.ResultsIndependent variables analyzed included maternal prepregnancy weight and body mass index (BMI) and maternal weight, and height at the end of pregnancy. Multiple linear regression analysis controlling for the following confounders were carried out: adolescent's skin color, family income at birth, smoking, alcohol intake during pregnancy, and gestational arterial hypertension. Mean SBP and DBP were 101.9 mmHg (SD 12.3) and 63.4 mmHg (SD 9.9), respectively. Maternal prepregnancy weight and BMI, and weight at the end of pregnancy were positively associated with both SBP and DBP in adolescent subjects of both sexes; maternal height was positively associated with SBP only among males.ConclusionsAdequate evaluation of maternal anthropometric characteristics during pregnancy may prevent high levels of blood pressure among adolescent children.

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“…2 Blood pressure and heart rate were measured using an automated wrist blood pressure monitor (model HEM-608; Omron, Vernon Hills, IL). 5 The automated device was used to minimize the variability between researchers. A wrist model was chosen for convenience of use at night.…”

Section: Methodsmentioning

confidence: 99%

Twenty-four-Hour Intraocular Pressure Pattern Associated with Early Glaucomatous Changes

Liu

Zhang

Kripke

et al. 2003

Invest. Ophthalmol. Vis. Sci.

395

327

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Validation study of an automated wrist monitor, omron model HEM-608, compared with the standard methods for blood pressure measurement

Abstract: Objective -The aim of our study was to assess the profile of a wrist monitor, the Omron Model compared

Cited by 10 publications

References 6 publications

The impact of arm position and pulse pressure on the validation of a wrist-cuff blood pressure measurement device in a high risk population

The impact of arm position and pulse pressure on the validation of a wrist-cuff blood pressure measurement device in a high risk population

Maternal anthropometric characteristics in pregnancy and blood pressure among adolescents: 1993 live birth cohort, Pelotas, southern Brazil

Twenty-four-Hour Intraocular Pressure Pattern Associated with Early Glaucomatous Changes

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