Effect of quercetin on the echocardiographic parameters of left ventricular diastolic function in patients with gout

Vitalii E Kondratiuk1, Yuliia P Synytsia1

  • 1Propedeutic Internal Medicine Department 2, Bogomolets National Medical University, Kyiv, Ukraine.

Wiadomosci Lekarskie (Warsaw, Poland : 1960)
|January 27, 2019
PubMed

Insights

Quercetin supplementation improved cardiac diastolic function in men with gout and essential hypertension. This treatment also enhanced uric acid levels, kidney function, and blood pressure control over 12 months.

Area of Science:

  • Cardiology
  • Nephrology
  • Metabolic Disorders

Background:

  • Gout is linked to increased cardiovascular disease risk, including heart failure.
  • Essential hypertension (EH) is a common comorbidity in gout patients.
  • Left ventricular diastolic dysfunction is a significant predictor of cardiovascular events.

Purpose of the Study:

  • To evaluate the effect of quercetin on echocardiographic parameters of left ventricular diastolic function in patients with gout and EH.
  • To assess the impact of quercetin on purine metabolism, renal function, and blood pressure control.

Main Methods:

  • A randomized controlled trial involving 84 male patients with gout and EH.
  • The main group (43 patients) received quercetin in addition to standard treatment.
  • The comparative group (41 patients) received standard treatment without quercetin.
  • Echocardiographic parameters, uric acid levels, renal function (glomerular filtration rate), and blood pressure were monitored over 12 months.

Main Results:

  • Quercetin significantly improved echocardiographic parameters of diastolic function, including E/e' and left ventricular mass index.
  • Patients receiving quercetin achieved target uric acid levels faster and showed a greater reduction (33.7%).
  • Quercetin supplementation led to a 13.3% increase in glomerular filtration rate and a cumulative antihypertensive effect (5.5% reduction in systolic BP, 3.6% in diastolic BP).

Conclusions:

  • Adding quercetin to antihypertensive and urate-lowering therapy improves left ventricular diastolic function in patients with gout and EH.
  • Quercetin positively impacts purine metabolism, renal function, and blood pressure.
  • Quercetin offers a protective effect on cardiac diastolic function and contributes to overall cardiovascular health in this patient population.
Abstract

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