Assessing Workflow, Satisfaction, and Potential Cost Reduction when Using a Cuffless Ambulatory Blood Pressure Monitor - Abstract
Background: Hypertension is a major risk factor for cardiovascular diseases. Ambulatory blood pressure monitoring (ABPM) is used for the diagnosis of hypertension; however, currently used devices have several drawbacks complicating their use and accuracy. We tested the workflow of a wearable photoplethysmography (PPG)-based cuffless device, when compared to the traditional cuff-based ABPM device. Methods: Patients were recruited in a single community clinic and randomly assigned to either a cuff-based or a PPG-based 24-hour ABPM test. An assessment team recorded the time-to-complete each workflow component with each device. Questionnaires on user experience and workflow were filled by physicians, nurses, and recruited patients. Results: Workflow assessment showed that it was faster with the PPG-based device than with the cuff-based device (301.17±58.39 seconds vs 1185±172.34 seconds on average, respectively). The PPG-based device received a higher score in all aspects when compared with the cuff-based device. The direct manpower cost reduction was 108,000 USD per year for 4,500 tests. Conclusion: The PPG-based device has several advantages when compared to the traditional cuff-based ABPM device, potentially increasing both patient and medical staff satisfaction, and as a result, increasing compliance. This could help improve the diagnosis and treatment of hypertension in the community.