What does this research mean for the field?

Chronic oral vasodilator therapy maintains the beneficial hemodynamic and symptomatic improvements achieved with acute vasodilator treatment in patients with advanced congestive heart failure. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research aims to assess the effects of chronic oral vasodilator therapy in patients with refractory congestive heart failure.

February 1, 1976CirculationOpen Access

Vasodilator therapy for chronic left ventricular failure.

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Why the study?

Does chronic oral vasodilator therapy improve hemodynamics and symptoms in patients with refractory congestive heart failure?

Key Points

This research aims to assess the effects of chronic oral vasodilator therapy in patients with refractory congestive heart failure.
Fifteen patients received intravenous sodium nitroprusside and sublingual isosorbide dinitrate for acute treatment.
Patients transitioned to oral isosorbide dinitrate and phenoxybenzamine after 72 hours of acute therapy.
Hemodynamic measurements were taken before and after treatment during a mean follow-up of seven months.
Significant reduction in pulmonary capillary wedge pressure and systemic vascular resistance was observed.
Increases in cardiac index and stroke work index were noted without change in mean arterial pressure and heart rate.
All patients showed symptomatic improvement with minimal side effects over a chronic period of 3-21 months.

Structured PICO

Does chronic oral vasodilator therapy improve hemodynamics and symptoms in patients with refractory congestive heart failure?

Population

15 patients with refractory congestive heart failure.

Intervention

Acute intravenous sodium nitroprusside and sublingual isosorbide dinitrate, followed by chronic oral therapy with isosorbide dinitrate and phenoxybenzamine.

Outcome

Hemodynamic responses (pulmonary capillary wedge pressure, systemic vascular resistance, cardiac index, stroke work index, mean arterial blood pressure, and heart rate)surrogate

Chronic oral vasodilator therapy with isosorbide dinitrate and phenoxybenzamine maintains acute hemodynamic benefits and improves symptoms in patients with refractory congestive heart failure.

Discussion

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Implication

May support vasodilator use in refractory HF; hypothesis-generating case report leaves need for RCTs open.

Cite This Study

Kovick et al. (1976) studied this question.

synapsesocial.com/papers/6a17f47a4f2b3115b0133ae7 https://doi.org/10.1161/01.cir.53.2.322

Topics

Heart failure HFrEF treatment

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Vasodilator therapy for chronic left ventricular failure.

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Topics

Vasodilator therapy for chronic left ventricular failure.

Key Points

Structured PICO

Discussion

Implication

Cite This Study

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Topics

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