Atrial fibrillation Circulatory System Atrial fibrillation and flutter
Conditions
Interventions
All participants attend the NIHR/Wellcome Trust Birmingham Clinical Research Facility for two separate study visits. 3 different blood pressure monitors will be tested following standard monitor valid
Sponsors
University of Birmingham
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Initial diagnosis of atrial fibrillation, confirmed by 12 lead electrocardiogram and judged by primary care physician to be eligible to participate 2. Aged 25 years or over 3. Recruitment blood pressures should be in the range 90–180mmHg for SBP and 40–130mmHg for DBP. If patients with blood pressures outside these ranges are available they may be included but only to a maximum of four such pressures. The number of subjects in each recruitment range (SBP: low 160mmHg; DBP: low 100mmHg) must be between 10 and 12 subjects.
Exclusion criteria
Exclusion criteria: Three failed attempts in machine measurement.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Percentage of test device measurements differing from the mercury standard by more than 5, 10 and 15mmHg. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Average BP value over 1, 2, 3, 4, and 5 readings versus that for 6 readings for each individual 2. Variability of oscillometric devices compared to standard mercury technique | — |
Countries
England, United Kingdom
Outcome results
None listed