Topic: Diabetes Research Network
Conditions
Interventions
All the sub-studies described below will be one-off visits for each patient with no long-term follow-up required.
Experimental design ? Study A (digital photoplethysmography to optimi
Sponsors
Imperial College London (UK)
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Aged 18 - 80 years, either sex 2. Chronic systolic heart afilure confirmed by transthoracic echo
Exclusion criteria
Exclusion criteria: 1. Severe lung disease 2. Any condition that would preclude participants from lying comfortably on a couch for the duration of the study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| All parameters are measured continuously throughout the recordings: Substudy 1: the effect on blood pressure of changes in AV and VV delay of a pacemaker Substudy 2: the size of the change in end tidal carbon dioxide and ventilation achievable from a change in pacemaker setting and the application of dynamic CO2 Substudy 3: the size of the change in ventilation achievable from administration of CO2 | — |
Secondary
| Measure | Time frame |
|---|---|
| No secondary outcome measures | — |
Countries
United Kingdom
Outcome results
None listed