Status:

NOT_YET_RECRUITING

Contactless Radar Blood Pressure Validation

Lead Sponsor:

University College, London

Conditions:

Blood Pressure

Eligibility:

All Genders

18+ years

Brief Summary

The goal of this observational study is to learn how accurately blood pressure can be measured using a contactless radar device. The main questions the study aims to answer are: 1. how does blood pr...

Detailed Description

High blood pressure is the biggest risk factor for heart attacks and strokes. There are several machines available for measuring blood pressure, but most of them need to contact the skin causing disco...

Eligibility Criteria

Inclusion

  • Group 1:
  • Age \> 18 years old
  • under the care of the complex hypertension clinic
  • able to take auscultatory blood pressure from right arm
  • Group 2:
  • Age \>18
  • has been selected to undergo invasive coronary angiogram by a consultant cardiologist
  • Group 3:
  • Age \>18
  • willing to undergo a cardiac MRI scan
  • Group 4:
  • \- Age \> 18

Exclusion

  • Group 1
  • anyone unable to consent
  • inaudible Korotkoff K1/K5 sounds
  • systolic BP difference \>12 mmHg and/or diastolic \>8 mmHg in any of the auscultatory measurements during the validation study
  • contraindication to cuff-based BP measurement e.g. lymph node clearance on right side
  • Group 2:
  • anyone unable to consent
  • anyone in whom right radial arterial access cannot be obtained (e.g. severe skin abnormality such as scleroderma)
  • known arterio-venous malformation or fistulas in right arm
  • any contraindication to an invasive angiogram such as severe frailty
  • Group 3:
  • anyone unable to consent
  • anyone with a classical contraindication to an MRI study such as known metal fragments allergy to used contrast
  • high degree heart block
  • asthma
  • Group 4:
  • anyone unable to consent
  • anyone with exertional chest pain or known uncontrolled angina
  • anyone with a known positive cardiac stress test.

Key Trial Info

Start Date :

October 1 2023

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

October 1 2026

Estimated Enrollment :

150 Patients enrolled

Trial Details

Trial ID

NCT06035107

Start Date

October 1 2023

End Date

October 1 2026

Last Update

September 13 2023

Active Locations (1)

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Page 1 of 1 (1 locations)

1

UCL Bloomsbury Centre for Clinical Phenotyping

London, United Kingdom, SW13 0JD