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The Heart Failure with Preserved Ejection Fraction (HFpEF) Pathophysiology, observational Study (IDENTIFY-HF) : does increased arterial stiffness associate with HFpEF, in addition to ageing and vascular effects of co-morbidities? Rationale and design
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Ali, D., Callan, N., Ennis , S., Powell, R., McGuire, S., McGregor, G., Weickert, M. O., Miller, Michelle A., Cappuccio, Francesco and Banerjee, P. (2019) The Heart Failure with Preserved Ejection Fraction (HFpEF) Pathophysiology, observational Study (IDENTIFY-HF) : does increased arterial stiffness associate with HFpEF, in addition to ageing and vascular effects of co-morbidities? Rationale and design. BMJ Open, 9 . e027984. doi:10.1136/bmjopen-2018-027984
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Official URL: http://www.doi.org/10.1136/bmjopen-2018-027984
Abstract
Aims
There has been a paradigm shift proposing that comorbidities are a major contributor towards the heart failure with preserved ejection fraction (HFpEF) syndrome. Furthermore, HFpEF patients have abnormal macro and microvascular function, which may significantly contribute towards altered ventriculo-vascular coupling in these patients. The IDENTIFY-HF study will investigate whether gradually increased arterial stiffness (in addition to ageing) as a result of increasing common comorbidities, such as hypertension and diabetes, is associated with HFpEF.
Methods and analysis:
In our observational study arterial compliance and microvascular function will be assessed in five groups (Groups A to E) of age, sex and BMI matched subjects (age ≥ 70 years in all groups):
Group A; normal healthy volunteers without major comorbidities such as hypertension and diabetes
mellitus (control). Group B; patients with hypertension without diabetes mellitus or heart failure (HF). Group C; patients with hypertension and diabetes mellitus without HF. Group D, patients with HFpEF; Group E; patients with heart failure and reduced ejection fraction (HFrEF) (parallel group). Vascular function and arterial compliance will be assessed using Pulse Wave Velocity, as the primary outcome measure. Further outcome measures include Cutaneous Laser Doppler Flowmetry as a measure of endothelial function, transthoracic echocardiography and exercise tolerance measures. Biomarkers include NT-proBNP, high sensitivity Troponin T, as well as serum galactin-3 as a marker of fibroses.
| Item Type: | Journal Article | ||||||||
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| Subjects: | R Medicine > RC Internal medicine R Medicine > RZ Other systems of medicine |
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| Divisions: | Faculty of Medicine > Warwick Medical School > Health Sciences Faculty of Medicine > Warwick Medical School > Health Sciences > Mental Health and Wellbeing Faculty of Medicine > Warwick Medical School |
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| Library of Congress Subject Headings (LCSH): | Heart failure , Heart failure -- Treatment, Cardiac arrest, Arteriosclerosis | ||||||||
| Journal or Publication Title: | BMJ Open | ||||||||
| Publisher: | BMJ | ||||||||
| ISSN: | 2044-6055 | ||||||||
| Official Date: | 2019 | ||||||||
| Dates: |
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| Volume: | 9 | ||||||||
| Article Number: | e027984 | ||||||||
| DOI: | 10.1136/bmjopen-2018-027984 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Open Access | ||||||||
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