Hyperuricemia in Cardiac Rehabilitation Patients: Prevalence and Association with Functional Improvement and Left Ventricular Ejection Fraction

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2024年8月7日

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Matteo Fortuna,
Chiara Tognola,
Michela Algeri,
Atea Shkodra,
Rita Cristina Myriam Intravaia,
Stefano Pezzoli,
Ilaria Garofani,
Martina Morelli,
Elena Gualini,
Saverio Fabbri,
Luciana Sciume,
Salvatore Riccobono,
Giovanna Beretta,
Cristina Giannattasio,
Alessandro Maloberti

摘要

Introduction

The role of uric acid (UA) and Hyper Uricemia (HU) in cardiac rehabilitation (CR) patients have been very little studied.

Aim

To evaluate the prevalence of HU and if it is associated to the functional improvement obtained or the left ventricular Ejection Fraction (EF) in CR patients after Acute or Chronic Coronary Syndrome (ACS and CCS respectively).

Methods

We enrol 411 patients (62.4 ± 10.2 years; males 79.8%) enrolled in the CR program at Niguarda Hospital (Milan) from January 2012 to May 2023. HU was defined both as the classic cut-off (> 6 for females, > 7 mg/dL for males) and with the newly identified one by the URRAH study (> 5.1 for females, > 5.6 mg/dL for males). All patients performed a 6MWT and an echocardiography at the beginning and at the end of CR program.

Results

Mean UA values were within the normal range (5.6 ± 1.4 mg/dL) with 19.5% (classic cut-off) HU patients with an increase to 47.4% with the newer one. Linear regression analysis showed no role for UA in determining functional improvement, while UA and hyperuricemia (classic cut-off) were associated to admission and discharge EF. The same was not with the URRAH cut-off.

Conclusions

HU is as frequent in CR patients as in those with ACS and CCS. UA didn’t correlate with functional recovery while it is associated with admission and discharge EF as also is for HU (classic cut-off). Whit the URRAH cut-off HU prevalence increases significantly, however, it doesn’t show any significant association with EF.