A narrative review published in the Journal of Human Hypertension proposes that clinicians and researchers should recognise a distinct cardiovascular frailty phenotype that brings together vascular ageing, blood pressure dysregulation, chronic inflammation and the deficits captured by clinical frailty assessments.
Why a new phenotype matters
The review, which synthesises current evidence on mechanisms connecting frailty and cardiovascular disease, argues that current frailty models do not fully capture the biological and vascular processes that may place older adults at disproportionate cardiovascular risk.
Two commonly used frailty instruments are highlighted: the Rockwood Clinical Frailty Scale, which measures cumulative deficits, and Fried’s phenotype, focused on physical signs of frailty. According to the review, neither model adequately integrates vascular, cognitive and psychosocial contributors to frailty — gaps a cardiovascular frailty construct could fill.
Evidence of a bidirectional relationship
The review underlines a well-established two-way link between frailty and cardiovascular illness. It cites pooled findings showing that pre-frailty and frailty are associated with an approximately 70% higher risk of cardiovascular disease, while frailty is linked to a nearly three-fold increase in cardiovascular mortality. The authors argue these figures point to a clinically important overlap that warrants targeted assessment.
- Pre-frailty/frailty — ~70% higher risk of cardiovascular disease (pooled association cited).
- Frailty — nearly three times the risk of cardiovascular death (pooled association cited).
Proposed biological drivers
The narrative review brings together mechanistic evidence pointing to several overlapping pathways that could underlie cardiovascular frailty. These include:
- Arterial stiffness and other markers of vascular ageing.
- Shifting blood pressure profiles, including impaired blood pressure regulation.
- Oxi-inflammaging — chronic oxidative stress combined with low-grade inflammation.
- DNA damage and cellular senescence.
- Endocrine dysregulation and epigenetic modifications.
- Cardiac structural and functional alterations that accompany ageing.
Collectively, these processes may operate in a bidirectional manner: cardiovascular dysfunction can precipitate frailty, while frailty may accelerate cardiovascular decline.
| Model | Focus | Limitations noted |
|---|---|---|
| Rockwood Clinical Frailty Scale | Cumulative health deficits | Less emphasis on biological and vascular mechanisms |
| Fried’s phenotype | Physical frailty signs (weight loss, weakness, slowness) | Limited coverage of vascular, cognitive and psychosocial domains |
Clinical and public‑health implications
The authors propose that a validated cardiovascular frailty index could support earlier detection of at‑risk older adults and enable more personalised prevention and treatment strategies. Such an index might integrate vascular measures (for example, arterial stiffness or blood pressure variability), biomarkers of inflammation and oxidative stress, and traditional clinical frailty items.
For clinicians, the review suggests heightened vigilance for cardiovascular risk among patients exhibiting frailty features, even when standard cardiac risk scores appear modest. For policy makers and health systems, recognising cardiovascular frailty could inform resource allocation for geriatric cardiology, community screening and rehabilitation services.
Limits and next steps
The narrative review is explicit that cardiovascular frailty remains a proposed phenotype rather than an established diagnostic category. The authors call for:
- Development and validation of standardised cardiovascular frailty measures;
- Prospective studies to test whether such measures improve prediction of cardiovascular events and mortality beyond existing tools;
- Intervention trials to determine whether targeting vascular and inflammatory pathways reduces frailty progression and cardiovascular harm.
These steps are necessary before cardiovascular frailty can be incorporated into routine practice.
Clinical note: while this review highlights important links between frailty and heart health, patients should consult their own doctor or local clinic for individual assessment and management rather than self-diagnose. Early discussion with a clinician remains essential where there are concerns about frailty or cardiovascular risk.
Reporting is based on a narrative review published in the Journal of Human Hypertension.
