What does this research mean for the field?

Endothelium-mediated vasodilation is an independent predictor of cardiac death, heart failure hospitalization, and cardiac transplantation in patients with chronic heart failure. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate whether endothelial dysfunction of peripheral arteries independently predicts hospitalization, cardiac transplantation, or death in patients with chronic heart failure.

November 23, 2004European Heart Journal

Endothelial dysfunction in patients with chronic heart failure is independently associated with increased incidence of hospitalization, cardiac transplantation, or death

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Why the study?

It is unknown whether endothelial dysfunction in chronic heart failure is independently associated with impaired outcome or disease progression.

Is endothelial dysfunction (measured by flow-dependent vasodilation) independently associated with adverse clinical outcomes in patients with chronic heart failure?

Key Points

To evaluate whether endothelial dysfunction of peripheral arteries independently predicts hospitalization, cardiac transplantation, or death in patients with chronic heart failure.
Followed 67 consecutive patients with chronic heart failure (NYHA functional class II–III) for a median duration of 45.7 months.
Measured flow-dependent, endothelium-mediated vasodilation (FDD) of the radial artery using high-resolution ultrasound.
Tracked a primary composite endpoint of cardiac death, heart transplantation, or hospitalization for worsening heart failure using Cox proportional hazards regression.
A total of 24 patients experienced primary events during follow-up, comprising 18 hospitalizations or heart transplantations and 6 cardiac deaths.
Cox regression analysis identified FDD (P < 0.01), diabetes mellitus (P < 0.01), and ejection fraction (P < 0.01) as independent predictors of the primary endpoint.
Kaplan-Meier survival curves demonstrated significantly improved clinical outcomes in patients with FDD above the median of 6.2% compared to those below the median (P < 0.013).

Structured PICO

Is endothelial dysfunction (measured by flow-dependent vasodilation) independently associated with adverse clinical outcomes in patients with chronic heart failure?

Population

67 consecutive patients with chronic heart failure (NYHA functional class II-III)

Intervention

Flow-dependent, endothelium-mediated vasodilation (FDD) of the radial artery assessed by high resolution ultrasound

Comparator

FDD above the median (6.2%) compared with FDD below the median

Outcome

Composite of cardiac death, hospitalization due to worsening of heart failure (NYHA class IV, pulmonary oedema), or heart transplantationcomposite

Endothelial dysfunction, as measured by flow-dependent vasodilation, is an independent predictor of mortality and heart failure hospitalization in patients with chronic heart failure.

Discussion

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Implication

May refine prognostication in chronic HF; hypothesis-generating and requires prospective validation before clinical adoption.

Cite This Study

Fischer et al. (2004) studied this question.

synapsesocial.com/papers/6a86b7eb58c65cf508d3b1b2 https://doi.org/10.1093/eurheartj/ehi001

Topics

Heart transplantation Heart failure HFrEF treatment Heart failure hospitalization HFpEF management

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Endothelial dysfunction in patients with chronic heart failure is independently associated with increased incidence of hospitalization, cardiac transplantation, or death

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Topics

Endothelial dysfunction in patients with chronic heart failure is independently associated with increased incidence of hospitalization, cardiac transplantation, or death

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Topics

Also Consider