What is the clinical evidence from this study?

Study design: Editorial. Population: clinically uncontrolled treated hypertension (n=220). Intervention: Clinic blood pressure measurement drop vs. Home blood pressure measurement. Primary outcome: White-coat and masked effects.

What question did this study set out to answer?

To evaluate the validity and clinical utility of using repeated clinic blood pressure measurements to predict white-coat and masked hypertension compared to home blood pressure monitoring.

October 2, 2014Journal of Hypertension

Should we still consider blood pressure measurements in the clinic?

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Key result

A clinic blood pressure drop of more than 11 mmHg predicted a white-coat effect with 90% sensitivity, while a drop of less than 19 mmHg predicted a masked effect.

Why the study?

Does the drop in consecutive clinic blood pressure readings predict white-coat or masked hypertension compared to home blood pressure monitoring in patients with clinically uncontrolled treated hypertension?

Population

220 patients with clinically uncontrolled treated hypertension (from the discussed study)

Comparison

Clinic blood pressure measurement vs Home blood pressure measurement

Design

Editorial

Authors

JBJean‐Marc BoivinInserm RFRenaud FayUniversité de Lorraine

Discussion

Member takes

Implication

Despite complex algorithms to predict white-coat or masked hypertension from clinic BP drops, home blood pressure monitoring remains the most pragmatic and reliable method for clinical practice.

Key Points

To evaluate the validity and clinical utility of using repeated clinic blood pressure measurements to predict white-coat and masked hypertension compared to home blood pressure monitoring.
Critically reviewed a predictive modeling study analyzing 220 patients with clinically uncontrolled treated hypertension who recorded six clinic systolic BP readings alongside 4 to 7 days of home BP records.
Evaluated the association between clinic BP trajectory parameters (linear and quadratic components, overall reading drop) and home-versus-clinic discrepancies using logistic regression.
Assessed practical implications, statistical validity (including risk of regression towards the mean), and integration into routine primary care workflows.
A clinic BP reduction exceeding 11 mmHg across consecutive measurements predicted a white-coat effect (home BP ≥17.7 mmHg lower than clinic) with 90% sensitivity and 50% specificity.
A clinic BP drop of less than 19 mmHg predicted masked hypertension (home BP ≥5 mmHg higher than clinic) with 90% sensitivity and 40% specificity, though combined linear and quadratic modeling yielded only 50% sensitivity.
Higher initial clinic systolic readings (near 170 mmHg) exhibited the largest declines across subsequent measurements, strongly suggesting regression towards the mean rather than true physiological stabilization.

Structured PICO

Population

220 patients with clinically uncontrolled treated hypertension.

Exposure

Clinic blood pressure measurement (six readings at 1-min intervals)

Comparator

Home blood pressure measurement (average of four to seven daily measurements, excluding the first day)

Outcome

Prediction of white-coat effect and masked effect based on clinic BP dropsurrogate

Despite complex algorithms to predict white-coat or masked hypertension from clinic BP drops, home blood pressure monitoring remains the most pragmatic and reliable method for clinical practice.

Limitations

The hypothesis of a regression towards the mean phenomenon cannot be excluded as the statistical methodology did not attempt to rule this out.
Complex analyses are not pragmatic for general practitioners.
The hypothesis of a regression towards the mean phenomenon cannot be excluded
Complex analyses are not pragmatic for daily practice

Cite This Study

Boivin et al. (2014) conducted an editorial in clinically uncontrolled treated hypertension (n=220). Clinic blood pressure measurement drop vs. Home blood pressure measurement was evaluated on White-coat and masked effects. A clinic blood pressure drop of more than 11 mmHg predicted a white-coat effect with 90% sensitivity, while a drop of less than 19 mmHg predicted a masked effect.

synapsesocial.com/papers/6a7b0ddfbdf697b3de02dc44 https://doi.org/10.1097/hjh.0000000000000398

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Implication

Despite complex algorithms to predict white-coat or masked hypertension from clinic BP drops, home blood pressure monitoring remains the most pragmatic and reliable method for clinical practice.

Should we still consider blood pressure measurements in the clinic?

Discussion

Member takes

Implication

Key Points

Structured PICO

Limitations

Cite This Study

Should we still consider blood pressure measurements in the clinic?

Discussion

Member takes

Implication

Key Points

Structured PICO

Limitations

Cite This Study

Also Consider

Also Consider