Key result
Wearable and cuffless blood pressure technologies fail to reliably replace standard upper-arm cuff measurements.
Why the study?
Established hypertension detection methods require long-term observation that lacks portability and poses the risk of delaying treatment. Ongoing research aims to confirm hypertension over shorter observation periods and provide comfortable, convenient methods for frequent blood pressure checks.
Do alternative and wearable blood pressure measurement techniques reliably detect hypertension with greater comfort and shorter observation periods compared to established auscultatory cuffing methods in patients being evaluated for hypertension?
Do alternative and wearable blood pressure measurement techniques reliably detect hypertension with greater comfort and shorter observation periods compared to established auscultatory cuffing methods in patients being evaluated for hypertension?
Answers are grounded in this paper and cite their sources.
This narrative review summarizes current and emerging blood pressure measurement technologies, concluding that while wearable sensors, PPG, and ECG offer improved portability and comfort, research and development efforts have yet to produce a fully reliable substitute for the gold standard auscultatory upper arm cuff method.
Hypertension is both a symptom and a cause of health complications. The consequences of long-term hypertension are more documented than short-term hypertension, so detection methods emphasize the presence of long-term hypertension. These methods require confirmation of consistently high blood pressure. Thus, established methods require long-term observation of the patient, which poses the risk of starting treatment too late for effective mitigation. These methods are also not portable enough for long-term observation to be comfortable. The goals of on-going research into detection of hypertension are the confirmation of hypertension with shorter durations of observation, and comfortable and convenient methods of frequent blood pressure checks. Future methods that are promising include wearable non-auscultatory sensors, AI-assisted comparisons of short-term observation data against databases of readings, and small implants.
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Wai Ti Chan (2024) conducted a review in Hypertension. Blood pressure measurement techniques (PPG, ECG, PAT, oscillometric, ultrasound, blood tests) vs. Auscultatory upper arm cuffing and 24-hour ambulatory blood pressure monitoring (ABPM) was evaluated on Reliability and convenience of hypertension diagnosis. Alternative blood pressure measurement techniques like PPG and ECG have not yet produced a reliable substitute for gold-standard auscultatory upper arm cuffing in diagnosing hypertension.
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