October 10, 2013BMC NephrologyOpen Access

Optimising the accuracy of blood pressure monitoring in chronic kidney disease: the utility of BpTRU

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Why the study?

Does automated blood pressure measurement with the BpTRU device improve accuracy compared to routine clinic measurement in adults with chronic kidney disease?

Population

91 adults with chronic kidney disease attending nephrology outpatient clinics, mean age 49, 62.6% male…

Comparison

Automated blood pressure measurement using the… vs Routine clinic blood pressure measurement using…

Design

Cross-sectional

Follow-up

24 hours

Authors

SBShona BrothwellBirmingham Children's Hospital MDMary Ann DuttonGeorgetown University CFCharles J. FerroGeneral Cardiology

Discussion

Member takes

Implication

BpTRU may mitigate overestimation of BP in CKD versus routine clinic readings; leaves open need for prospective outcome trials before practice change.

Structured PICO

Does automated blood pressure measurement with the BpTRU device improve accuracy compared to routine clinic measurement in adults with chronic kidney disease?

Population

91 adults with chronic kidney disease attending nephrology outpatient clinics, mean age 49, 62.6% male, UK-based.

Intervention

Automated blood pressure measurement using the BpTRU device (oscillometric technique, average of last 5 of 6 readings taken at 1-minute intervals) in a quiet clinic room.

Comparator

Routine clinic blood pressure measurement using a DINAMAP PRO400 monitor by a clinic nurse in a multi-use clinical assessment room, and 24-hour ambulatory blood pressure monitoring (ABPM).

Outcome

Difference in systolic and diastolic blood pressure readings between routine clinic measurements, BpTRU measurements, and 24-hour ABPM.surrogate

In patients with chronic kidney disease, automated BpTRU measurements in a quiet room provide blood pressure readings comparable to 24-hour ABPM and significantly lower than routine clinic measurements, potentially avoiding overdiagnosis and overtreatment of hypertension.

Limitations

Absence of 48-hour ABPM data
Performed in a clinical setting rather than a research setting
Relatively small numbers who underwent ABPM (n=21), limiting power to assess the relationship between blunting and clinical outcomes

Cite This Study

Brothwell et al. (2013) studied this question.

synapsesocial.com/papers/6a200061d4e6d3589704c7d2 https://doi.org/10.1186/1471-2369-14-218

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Implication

BpTRU may mitigate overestimation of BP in CKD versus routine clinic readings; leaves open need for prospective outcome trials before practice change.

Optimising the accuracy of blood pressure monitoring in chronic kidney disease: the utility of BpTRU

Discussion

Member takes

Implication

Structured PICO

Limitations

Cite This Study

Optimising the accuracy of blood pressure monitoring in chronic kidney disease: the utility of BpTRU

Discussion

Member takes

Implication

Structured PICO

Limitations

Cite This Study

Also Consider

Also Consider