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Blood Pressure Difference Between Cuff Inflation and Deflation by Auscultatory Method: Impact of Hypertension Grade
Francesca Coccina1, Jacopo Pizzicannella2, Oriana Trubiani1
1Department of Innovative Technologies in Medicine & Dentistry, University "Gabriele d'Annunzio", Chieti-Pescara, 66100 Chieti, Italy.
Diagnostics (Basel, Switzerland)
|March 28, 2025
Summary
Hypertension grade significantly impacts blood pressure (BP) differences between cuff inflation and deflation. While this reclassifies some patients, it doesn't alter their overall hypertensive status.
Area of Science:
- Cardiology
- Hypertension Research
- Clinical Measurement
Background:
- Blood pressure (BP) measurement involves cuff inflation and deflation.
- The influence of hypertension severity on BP measurement variability is not fully understood.
Purpose of the Study:
- To evaluate the blood pressure difference between cuff inflation and deflation.
- To investigate the impact of hypertension grade and patient characteristics on this BP difference.
Main Methods:
- A cohort of 328 asymptomatic patients with varying hypertension grades (mild, moderate, severe) was studied.
- Blood pressure measurements were taken during cuff inflation and deflation.
- Statistical analysis was performed to identify determinants of BP differences.
Main Results:
- Hypertension grade significantly influenced the systolic/diastolic BP difference between inflation and deflation.
- This difference increased progressively with higher hypertension grades (mild < moderate < severe).
- Age, gender, BMI, smoking, and lab parameters did not correlate with BP differences; 24-32% of moderate/severe cases were reclassified to a lower grade.
Conclusions:
- Hypertension severity is a key factor affecting BP measurement variability during cuff inflation/deflation.
- This variability can lead to reclassification of hypertension grade but not the hypertensive status itself.
- Further research is needed to elucidate the mechanisms behind these BP differences, such as sympathetic activation or brachial artery behavior.
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