A Pilot Study to Assess the Accuracy of Blood Pressure Assessment by the Omron HeartGuide Smartwatch

Cardiac Disease, Hypertension, Surgery

Wearable devices, Blood pressure, Arterial line, Hypertension, Post Operative, Cardiac Surgery

The accuracy of devices like the recent FDA-clearance of the Omron HeartGuide™ Blood Pressure sensor in robust clinical settings remain in question and thus form the underpinning of this research study. The objective of this pilot prospective study is to assess the accuracy of the Omron Blood Pressure sensor as compared to arterial line blood pressure monitoring.

The purpose of this study is to assess the accuracy of the Omron HeartGuide™ Smartwatch in measuring blood pressure and heart rate as compared to standard post-operative blood pressure and heart rate monitoring with an arterial line and heart monitor. Hypertension affects about 75 million Americans and is the leading cause of cardiovascular disease (heart attacks and strokes), resulting in about 1,000 deaths per day. Only 50% of patients have their blood pressure adequately managed thus necessitating a better solution. Current limitations to hypertension management in non-ICU or non-surgical settings include: 1) infrequent measurements, 2) inherent data variability, 3) white coat hypertension, 4) non-compliance, or 5) poor patient-provider follow-up. A majority of patients have their blood pressure measured only during clinic visits. A wearable blood pressure sensor that takes multiple measurements per day will allow for a new level of granularity among measurements. With more continuous measurements, patients and physicians can work together to identify the onset and progression of hypertension before it causes irreversible damage to the heart, kidneys, and brain. During testing, each subject will wear the Omron HeartGuide™ Smartwatch. Both right and left wrist circumferences will be measured prior to placing the device. All patients will be on continuous telemetry according to standard clinical practice on the ICU. Each patient will be outfitted with the Omron HeartGuide™ Smartwatch (opposite extremity of the arterial line). An Omron BP reading will be obtained at the same time as the arterial line reading. Four readings in total will be obtained for each patient. All four readings may occur on the same day or may be occur over several days.

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United States