Key result
The Takeda 2421 ambulatory monitor achieved satisfactory BHS grades using the Korotkoff method but unacceptable grades with the oscillometric method, with error rates of 30% and 4% respectively.
Why the study?
Does the Takeda 2421 ambulatory blood pressure monitor accurately measure blood pressure in children aged 7-15 years compared to manual observer measurement?
Cross-Sectional (n=529)
Does the Takeda 2421 ambulatory blood pressure monitor accurately measure blood pressure in children aged 7-15 years compared to manual observer measurement?
The Takeda 2421 ambulatory monitor provides satisfactory accuracy using the Korotkoff system but unacceptable accuracy using the oscillometric method in children, highlighting the need for specific validation of ambulatory devices in pediatric populations.
Answers are grounded in this paper and cite their sources.
Oscillometric Takeda 2421 may be inaccurate in children; leaves open need for pediatric-specific ABPM validation.
The purpose of this study was to assess the accuracy of an ambulatory monitor (Takeda 2421; A&D company) which measures blood pressure using oscillometric and Korotkoff methods, in children. Blood pressure was measured simultaneously by the device and two observers in 529 children aged 7-15 years. The Korotkoff method received BHS grade A for sitting and standing readings in all age groups except for age 13-15 years (grade C). The diastolic readings (phase V) received grade B for sitting and C when standing. The oscillometric method received grade C or worse for systolic and diastolic blood pressure in both sitting and standing positions except for systolic readings in those aged 13-15 years (grade B). During the ambulatory phase 30% of the Korotkoff readings and 4% of the oscillometric readings gave an error code. The Takeda 2421 ambulatory monitor achieved generally satisfactory grades using the Korotkoff system but the oscillometric readings were generally unacceptable. Ambulatory devices should be specifically validated in children before being accepted into clinical paediatric practice.
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O’Sullivan et al. (1998) reported a cross-sectional. Takeda 2421 ambulatory blood pressure monitor vs. Two observers was evaluated on Accuracy of blood pressure measurement (BHS grade). The Takeda 2421 ambulatory monitor achieved satisfactory BHS grades using the Korotkoff method but unacceptable grades with the oscillometric method, with error rates of 30% and 4% respectively.
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