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Hussain M, Ghori MU, Aslam MN, Abbas S, Shafique M, Awan FR. Serum uric acid: an independent risk factor for cardiovascular disease in Pakistani Punjabi patients. BMC Cardiovasc Disord 2024; 24:546. [PMID: 39385070 PMCID: PMC11465846 DOI: 10.1186/s12872-024-04055-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Accepted: 07/16/2024] [Indexed: 10/11/2024] Open
Abstract
BACKGROUND It is well-known that serum uric acid (SUA) can increase the risk of hypertension, diabetes, obesity and dyslipidemia. However, its independent association with the risk of cardiovascular diseases (CVD) is controversial particularly in different populations. Hence, this study was aimed to assess an independent association of SUA with CVD risk in a Punjabi Pakistani cohort. METHODS This is a retrospective observational study in which 502 human subjects having CVD, hypertension and/or diabetes were grouped based on SUA levels as normouricemia (n = 266) and hyperuricemia (n = 236). Role of SUA was assessed in increasing the risk of CVD independent of other key confounding factors (i.e. age, gender, dyslipidemia, hypertension, diabetes, dietary and life-style habits). All clinical and biochemical data were analyzed in SPSS (ver. 20). RESULTS Subjects aged 55 ± 13 years were of both genders (males: 52%). SUA levels were significantly different among clinical subtypes of CVD [i.e. acute coronary syndrome (ACS), myocardial infarction (MI) and heart failure (HF)]. Spearman correlation showed a significantly positive association between CVD and SUA (rho = 0.149, p < 0.001). Multivariate logistic regression of SUA quartiles showed that hyperuricemia is associated with CVD [3rd quartile: OR: 1.78 (CI: 1.28-2.48), p = 0.001 and 4th quartile: OR: 2.37 (CI: 1.72-3.27), p < 0.001]. Moreover, this association remained significant even after adjusting for confounding factors. CONCLUSION This study showed that SUA is positively associated with CVD, thus it can act as an independent risk factor for CVD.
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Affiliation(s)
- Misbah Hussain
- Diabetes and Cardio-Metabolic Disorders Lab, Health Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Jhang Road, P.O. Box. 577, Faisalabad, Pakistan
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad, Pakistan
- Department of Biotechnology, University of Sargodha, Sargodha, Punjab, Pakistan
| | - Muhammad Umer Ghori
- Diabetes and Cardio-Metabolic Disorders Lab, Health Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Jhang Road, P.O. Box. 577, Faisalabad, Pakistan
- Department of Bioinformatics and Biotechnology, Government College University, Allama Iqbal Road, Faisalabad, 38000, Pakistan
| | | | - Shahid Abbas
- Faisalabad Institute of Cardiology (FIC), Faisalabad, Pakistan
| | - Muhammad Shafique
- Institute of Microbiology, Government College University, Liaquat Block 2nd Floor, Jhang Road, Faisalabad, 38000, Pakistan
| | - Fazli Rabbi Awan
- Diabetes and Cardio-Metabolic Disorders Lab, Health Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Jhang Road, P.O. Box. 577, Faisalabad, Pakistan.
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad, Pakistan.
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Crawley WT, Jungels CG, Stenmark KR, Fini MA. U-shaped association of uric acid to overall-cause mortality and its impact on clinical management of hyperuricemia. Redox Biol 2022; 51:102271. [PMID: 35228125 PMCID: PMC8889273 DOI: 10.1016/j.redox.2022.102271] [Citation(s) in RCA: 81] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 02/12/2022] [Accepted: 02/14/2022] [Indexed: 12/12/2022] Open
Abstract
Serum uric acid (SUA) is significantly elevated in obesity, gout, type 2 diabetes mellitus, and the metabolic syndrome and appears to contribute to the renal, cardiovascular and pulmonary comorbidities that are associated with these disorders. Most previous studies have focused on the pathophysiologic effects of high levels of uric acid (hyperuricemia). More recently, research has also shifted to the impact of hypouricemia, with multiple studies showing the potentially damaging effects that can be caused by abnormally low levels of SUA. Along with these observations, recent inconclusive data from human studies evaluating the treatment of hyperuricemia with xanthine oxidoreductase (XOR) inhibitors have added to the debate about the causal role of UA in human disease processes. SUA, which is largely derived from hepatic degradation of purines, appears to exert both systemic pro-inflammatory effects that contribute to disease and protective antioxidant properties. XOR, which catalyzes the terminal two steps of purine degradation, is the major source of both reactive oxygen species (O2.-, H2O2) and UA. This review will summarize the evidence that both elevated and low SUA may be risk factors for renal, cardiovascular and pulmonary comorbidities. It will also discuss the mechanisms through which modulation of either XOR activity or SUA may contribute to vascular redox hemostasis. We will address future research studies to better account for the differential effects of high versus low SUA in the hope that this will identify new evidence-based approaches for the management of hyperuricemia.
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Affiliation(s)
- William T Crawley
- Cardiovascular and Pulmonary Research Laboratory, Department of Medicine, Anschutz Medical Campus, University of Colorado-Denver School of Medicine, Aurora, Colorado, USA
| | - Cyprien G Jungels
- Cardiovascular and Pulmonary Research Laboratory, Department of Medicine, Anschutz Medical Campus, University of Colorado-Denver School of Medicine, Aurora, Colorado, USA
| | - Kurt R Stenmark
- Cardiovascular and Pulmonary Research Laboratory, Department of Medicine, Anschutz Medical Campus, University of Colorado-Denver School of Medicine, Aurora, Colorado, USA; Division of Pulmonary and Critical Care, Department of Pediatrics, Anschutz Medical Campus, University of Colorado-Denver School of Medicine, Aurora, Colorado, USA
| | - Mehdi A Fini
- Cardiovascular and Pulmonary Research Laboratory, Department of Medicine, Anschutz Medical Campus, University of Colorado-Denver School of Medicine, Aurora, Colorado, USA; Division of Pulmonary and Critical Care, Department of Medicine, Anschutz Medical Campus, University of Colorado-Denver School of Medicine, Aurora, Colorado, USA.
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U-shaped relationship between serum uric acid level and decline in renal function during a 10-year period in female subjects: BOREAS-CKD2. Hypertens Res 2020; 44:107-116. [PMID: 32792577 DOI: 10.1038/s41440-020-0532-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 06/13/2020] [Accepted: 06/22/2020] [Indexed: 12/18/2022]
Abstract
While hyperuricemia is recognized as a risk factor for chronic kidney disease (CKD), the risk of CKD in subjects with a low level of serum uric acid (UA) remains controversial. Here, we examined whether the association of CKD risk with serum UA level differs depending on the sex and age of subjects in a general population. Of subjects who received annual health checkups, we enrolled 6,779 subjects (male/female: 4,454/2,325; age: 45 ± 9 years) with data from a 10-year follow-up after excluding subjects taking anti-hyperuricemic drugs and those with CKD at baseline. During the follow-up period, 11.4% of the males and 11.7% of the females developed CKD. A significant interaction of sex, but not age, with the effect of baseline UA level on CKD risk was found. A restricted cubic spline analysis showed a U-shaped association of the baseline UA level with the risk of CKD in females. Multivariable Cox proportional hazard analyses for females showed that baseline UA levels in the 5th quintile (Q5, ≥5 mg/dL; HR: 1.68) and the 1st quintile (Q1, ≤3.5 mg/dL; HR: 1.73) were independent risk factors for CKD when compared with UA levels in the 4th quintile (Q4, 4.5-4.9 mg/dL). In males, restricted cubic spline analysis indicated increased CKD risk in subjects with a higher baseline UA level but not in those with a low UA level. In conclusion, a low UA level is a significant risk factor for CKD in females, while an elevated UA level increases the risk of CKD in both sexes.
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Rebora P, Andreano A, Triglione N, Piccinelli E, Palazzini M, Occhi L, Grassi G, Valsecchi MG, Giannattasio C, Maloberti A. Association between uric acid and pulse wave velocity in hypertensive patients and in the general population: a systematic review and meta-analysis. Blood Press 2020; 29:220-231. [PMID: 32138547 DOI: 10.1080/08037051.2020.1735929] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Purpose: The association between serum uric acid (SUA) and pulse wave velocity (PWV), has been extensively evaluated but with some discrepancies in results. A further limitation refers to the fact that only few data were analyzed taking into account the possible effects of gender. The purpose of this study was to estimate the association between SUA and arterial stiffness in general population and hypertensive patients, as a whole population and as divided by gender, by pooling results from existing studies.Materials and methods: Carotid-femoral and brachial-ankle PWV (cf- and ba-PWV) have been analyzed separately and subgroup analyses by gender are reported. Among 692 potentially relevant works, 24 articles were analyzed.Results: Seven studies referred to cf-PWV in the general population with an overall positive association at adjusted analysis for both males and females (beta regression coefficient (ß): 0.07; 95%CI: 0.03; 0.11 and ß: 0.06; 95%CI: 0.03; 0.09, respectively). Twelve studies referred to ba-PWV in the general population with the finding of a positive association at adjusted analysis for females (ß: 0.04; 95% confidence interval (CI): 0.01;0.07), but not for males (ß: 0.13; 95%CI: -0.09; 0.34). In hypertensive patients only four studies evaluated cf-PWV and one ba-PWV with only one study (with cf-PWV) finding positive association.Conclusion: The association between SUA and cf-PWV resulted significant in general population in both males and females while it was only significant for female regarding ba-PWV. Furthermore, the few available studies found no significant relationship between SUA and both cf- and ba-PWV in hypertensive subjects.
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Affiliation(s)
- Paola Rebora
- Center of Biostatistics for Clinical Epidemiology, School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
| | - Anita Andreano
- Center of Biostatistics for Clinical Epidemiology, School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
| | - Nicola Triglione
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
| | - Enrico Piccinelli
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
| | - Matteo Palazzini
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
| | - Lucia Occhi
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
| | - Guido Grassi
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
| | - Maria Grazia Valsecchi
- Center of Biostatistics for Clinical Epidemiology, School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
| | - Cristina Giannattasio
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy.,Cardiology IV, "A.De Gasperis" Department, ASTT GOM Niguarda Ca' Granda, Milan, Italy
| | - Alessandro Maloberti
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy.,Cardiology IV, "A.De Gasperis" Department, ASTT GOM Niguarda Ca' Granda, Milan, Italy
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Albu A, Para I, Porojan M. Uric Acid and Arterial Stiffness. Ther Clin Risk Manag 2020; 16:39-54. [PMID: 32095074 PMCID: PMC6995306 DOI: 10.2147/tcrm.s232033] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Accepted: 12/01/2019] [Indexed: 12/21/2022] Open
Abstract
Hyperuricemia is usually associated with hypertension, diabetes mellitus, metabolic syndrome and chronic kidney disease. Accumulating data from epidemiological studies indicate an association of increased uric acid (UA) with cardiovascular diseases. Possible pathogenic mechanisms include enhancement of oxidative stress and systemic inflammation caused by hyperuricemia. Arterial stiffness may be one of the possible pathways between hyperuricemia and cardiovascular disease, but a clear relationship between increased UA and vascular alterations has not been confirmed. The review summarizes the epidemiological studies investigating the relationship between UA and arterial stiffness and highlights the results of interventional studies evaluating arterial stiffness parameters in patients treated with UA-lowering drugs.
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Affiliation(s)
| | - Ioana Para
- 4th Department of Internal Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
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