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  • OptiBP: A novel...

OptiBP: A novel optical smartphone application for measuring Hypertension

Written By : Dr.Niharika Harsha B |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2022-10-01T08:30:03+05:30  |  Updated On 1 Oct 2022 12:44 PM IST
OptiBP: A novel optical smartphone application for measuring Hypertension
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OptiBP which is a new optical smartphone application showed almost similar values to the invasively measured blood pressure values as per a new study published in BMC Anesthesiology. The values were according to the AAMI/ISO universal standards for mean arterial pressure (MAP) and diastolic arterial pressure (DAP). The error risk was also in zone A and B of the error grid.

Arterial hypertension is a global public health concern. The oscillometric method is presently used for diagnosing and monitoring non-invasively. Better screening and monitoring of hypertension occurs when the same can be done using a smartphone application. So, researchers conducted an observational study on intensive care unit patients by comparing the arterial blood pressure values obtained using a new optical smartphone application called the OptiBPâ„¢ as the test method and with that obtained using a radial artery catheter as the reference method to help validate the technology.

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Three BP values were measured every hour for five consecutive hours on two consecutive days using both the smartphone and arterial methods. Bland-Altman and error grid analyses were used for agreement analysis between both approaches. The performance of the smartphone application was investigated using the Association for the Advancement of Medical Instrumentation (AAMI) and the International Organization for Standardization (ISO) definitions, which require the bias ± SD between two technologies to be below 5 ± 8 mmHg.

Findings:

  • 30 patients were recruited for the study, of which 22 patients had adequate OptiBPâ„¢ values and were thus analyzed.
  • In the other 8 patients, no BP could be measured due to inadequate signals.
  • The Bland–Altman analysis revealed a mean of the differences ± SD between both methods of 0.9 ± 7 mmHg for mean arterial pressure (MAP), 0.2 ± 14 mmHg for systolic arterial pressure (SAP), and 1.1 ± 6 mmHg for diastolic arterial pressure (DAP).
  • Error grid analysis demonstrated that the proportions of measurement pairs in risk zones A to E were 88.8% (no risk), 10% (low risk), 1% (moderate risk), 0% (significant risk), and 0% (dangerous risk) for MAP and 88.4%, 8.6%, 3%, 0%, 0%, respectively, for SAP.
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OptiBPâ„¢ can pave the way for widespread access to hypertension screening and monitoring as it has shown good agreement between BP values measured invasively with that using the application.

Further reading:

Desebbe, O., Anas, C., Alexander, B. et al. Evaluation of a novel optical smartphone blood pressure application: a method comparison study against invasive arterial blood pressure monitoring in intensive care unit patients. BMC Anesthesiol 22, 259 (2022). https://doi.org/10.1186/s12871-022-01797-0

Arterial hypertensionblood pressureradial artery catheteroscillometric methodsmartphone application
Source : BMC Anesthesiology
Dr.Niharika Harsha B
Dr.Niharika Harsha B

    BDS, MDS

    Dr.Niharika Harsha B (BDS,MDS) completed her BDS from Govt Dental College, Hyderabad and MDS from Dr.NTR University of health sciences(Now Kaloji Rao University). She has 4 years of private dental practice and worked for 2 years as Consultant Oral Radiologist at a Dental Imaging Centre in Hyderabad. She worked as Research Assistant and scientific writer in the development of Oral Anti cancer screening device with her seniors. She has a deep intriguing wish in writing highly engaging, captivating and informative medical content for a wider audience. She can be contacted at editorial@medicaldialogues.in.

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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