Key result
Patient self-measured systolic blood pressure was significantly higher than researcher-measured values by a mean difference of 8.36 mmHg, largely due to patient measurement errors.
Why the study?
Home blood pressure monitoring efficacy depends on its accuracy, prompting this investigation into differences between patient and medical professional measurements and demographic factors correlating with inaccurate readings.
Does patient self-measurement of blood pressure differ in accuracy compared to researcher measurement in hypertensive patients?
Cross-Sectional (n=100)
Yes
Does patient self-measurement of blood pressure differ in accuracy compared to researcher measurement in hypertensive patients?
Answers are grounded in this paper and cite their sources.
Patient self-measured blood pressure readings are on average higher than researcher-measured values, highlighting the need for improved patient training on home blood pressure monitoring techniques.
OBJECTIVE: Home blood pressure monitoring (HBPM) is an increasingly important tool in managing hypertension (HTN); however, its efficacy depends on its accuracy. This study aimed to explore the differences between blood pressure (BP) measurements conducted by patients and medical professionals and the patient demographic factors correlating with inaccurate self-measured BP levels. METHODS: One hundred hypertensive patients completed a questionnaire inquiring about their health status and HBPM procedures and were filmed while measuring their BP using their own devices. A researcher then measured the patients' BP using a calibrated sphygmomanometer to assess the accuracy of patient-performed readings. This cross-sectional study was conducted in five primary healthcare centers in Kraków, Poland. RESULTS: The mean differences in systolic and diastolic BP readings by patients and researchers were 8.36 mmHg (SD = 10.90 mmHg) and 2.16 mmHg (SD = 9.12 mmHg), respectively. Inaccuracies in patient BP measurements were associated with a less than high school education level, patients' age, and a family history of HTN. CONCLUSION: Patient self-measured BP levels were higher than researcher values, likely due to a higher patient error rate. Healthcare providers must increase training regarding correct HBPM techniques offered to patients; such efforts should be directed at all hypertensive patients, emphasizing the most error-prone demographics.
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Nessler et al. (2023) conducted a cross-sectional in Hypertension (n=100). Patient self-measured blood pressure vs. Researcher-measured blood pressure was evaluated on Mean systolic blood pressure (SBP) in mmHg (Mean difference 8.36 mmHg, p=<0.001). Patient self-measured systolic blood pressure was significantly higher than researcher-measured values by a mean difference of 8.36 mmHg, largely due to patient measurement errors.
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