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Zheng Y, Chen Z, Yang J, Zheng J, Shui X, Yan Y, Huang S, Liang Z, Lei W, He Y. The Role of Hyperuricemia in Cardiac Diseases: Evidence, Controversies, and Therapeutic Strategies. Biomolecules 2024; 14:753. [PMID: 39062467 PMCID: PMC11274514 DOI: 10.3390/biom14070753] [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: 05/13/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 07/28/2024] Open
Abstract
Hyperuricemia (HUA) may lead to myocardial cell damage, thereby promoting the occurrence and adverse outcomes of heart diseases. In this review, we discuss the latest clinical research progress, and explore the impact of HUA on myocardial damage-related diseases such as myocardial infarction, arrhythmias, and heart failure. We also combined recent findings from basic research to analyze potential mechanisms linking HUA with myocardial injury. In different pathological models (such as direct action of high uric acid on myocardial cells or combined with myocardial ischemia-reperfusion model), HUA may cause damage by activating the NOD-like receptor protein 3 inflammasome-induced inflammatory response, interfering with cardiac cell energy metabolism, affecting antioxidant defense systems, and stimulating reactive oxygen species production to enhance the oxidative stress response, ultimately resulting in decreased cardiac function. Additionally, we discuss the impact of lowering uric acid intervention therapy and potential safety issues that may arise. However, as the mechanism underlying HUA-induced myocardial injury is poorly defined, further research is warranted to aid in the development novel therapeutic strategies for HUA-related cardiovascular diseases.
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Affiliation(s)
- Yue Zheng
- Guangdong Provincial Engineering Technology Research Center for Molecular Diagnosis and Innovative Drugs Translation of Cardiopulmonary Vascular Diseases, University Joint Laboratory of Guangdong Province and Macao Region on Molecular Targets and Intervention of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China; (Y.Z.); (Z.C.); (J.Y.); (Y.Y.)
- Laboratory of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Zhirui Chen
- Guangdong Provincial Engineering Technology Research Center for Molecular Diagnosis and Innovative Drugs Translation of Cardiopulmonary Vascular Diseases, University Joint Laboratory of Guangdong Province and Macao Region on Molecular Targets and Intervention of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China; (Y.Z.); (Z.C.); (J.Y.); (Y.Y.)
- Laboratory of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Jinya Yang
- Guangdong Provincial Engineering Technology Research Center for Molecular Diagnosis and Innovative Drugs Translation of Cardiopulmonary Vascular Diseases, University Joint Laboratory of Guangdong Province and Macao Region on Molecular Targets and Intervention of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China; (Y.Z.); (Z.C.); (J.Y.); (Y.Y.)
- Laboratory of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Jing Zheng
- Department of Obstetrics and Gynecology, University of Wisconsin, Madison, WI 53715, USA;
| | - Xiaorong Shui
- Laboratory of Vascular Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China;
| | - Yiguang Yan
- Guangdong Provincial Engineering Technology Research Center for Molecular Diagnosis and Innovative Drugs Translation of Cardiopulmonary Vascular Diseases, University Joint Laboratory of Guangdong Province and Macao Region on Molecular Targets and Intervention of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China; (Y.Z.); (Z.C.); (J.Y.); (Y.Y.)
- Cardiovascular Medicine Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China; (S.H.); (Z.L.)
| | - Shian Huang
- Cardiovascular Medicine Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China; (S.H.); (Z.L.)
| | - Zheng Liang
- Cardiovascular Medicine Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China; (S.H.); (Z.L.)
| | - Wei Lei
- Guangdong Provincial Engineering Technology Research Center for Molecular Diagnosis and Innovative Drugs Translation of Cardiopulmonary Vascular Diseases, University Joint Laboratory of Guangdong Province and Macao Region on Molecular Targets and Intervention of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China; (Y.Z.); (Z.C.); (J.Y.); (Y.Y.)
- Laboratory of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
- Precision Medicine Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Yuan He
- Guangdong Provincial Engineering Technology Research Center for Molecular Diagnosis and Innovative Drugs Translation of Cardiopulmonary Vascular Diseases, University Joint Laboratory of Guangdong Province and Macao Region on Molecular Targets and Intervention of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China; (Y.Z.); (Z.C.); (J.Y.); (Y.Y.)
- Laboratory of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
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Wang J, Xu Y, Liu L, Wu W, Shen C, Huang H, Zhen Z, Meng J, Li C, Qu Z, He Q, Tian Y. Comparison of LASSO and random forest models for predicting the risk of premature coronary artery disease. BMC Med Inform Decis Mak 2023; 23:297. [PMID: 38124036 PMCID: PMC10734117 DOI: 10.1186/s12911-023-02407-w] [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: 08/06/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023] Open
Abstract
PURPOSE With the change of lifestyle, the occurrence of coronary artery disease presents a younger trend, increasing the medical and economic burden on the family and society. To reduce the burden caused by this disease, this study applied LASSO Logistic Regression and Random Forest to establish a risk prediction model for premature coronary artery disease(PCAD) separately and compared the predictive performance of the two models. METHODS The data are obtained from 1004 patients with coronary artery disease admitted to a third-class hospital in Liaoning Province from September 2019 to December 2021. The data from 797 patients were ultimately evaluated. The dataset of 797 patients was randomly divided into the training set (569 persons) and the validation set (228 persons) scale by 7:3. The risk prediction model was established and compared by LASSO Logistic and Random Forest. RESULT The two models in this study showed that hyperuricemia, chronic renal disease, carotid artery atherosclerosis were important predictors of premature coronary artery disease. A result of the AUC between the two models showed statistical difference (Z = 3.47, P < 0.05). CONCLUSIONS Random Forest has better prediction performance for PCAD and is suitable for clinical practice. It can provide an objective reference for the early screening and diagnosis of premature coronary artery disease, guide clinical decision-making and promote disease prevention.
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Affiliation(s)
- Jiayu Wang
- School of Nursing, Liaoning University of Traditional Chinese Medicine, 110847, Shenyang, China
| | - Yikang Xu
- Department of Cardiovascular Medicine, The Second Affiliated Hospital of Shenyang Medical College, 110002, Shenyang, China.
| | - Lei Liu
- School of Nursing, Liaoning University of Traditional Chinese Medicine, 110847, Shenyang, China
| | - Wei Wu
- Institute of Humanities and Social Sciences, Shenyang University, 110044, Shenyang, China
| | - Chunjian Shen
- Department of Cardiac Surgery, The Second Affiliated Hospital of Shenyang Medical College, 110002, Shenyang, China
| | - Henan Huang
- Library, Shenyang Medical College, 110034, Shenyang, China
| | - Ziyi Zhen
- School of Public Health, Shenyang medical college, 110034, Shenyang, China
| | - Jixian Meng
- School of nursing, Liaoning Jinqiu Hospital, 110034, Shenyang, China
| | - Chunjing Li
- School of nursing, The First Affiliated Hospital of China Medical University, 110034, Shenyang, China
| | - Zhixin Qu
- School of nursing, Shenyang medical college, 110034, Shenyang, China
| | - Qinglei He
- School of Nursing, Liaoning University of Traditional Chinese Medicine, 110847, Shenyang, China
| | - Yu Tian
- School of Nursing, Liaoning University of Traditional Chinese Medicine, 110847, Shenyang, China
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Huang L, Rong J, Fang C, Chen X, Hong C. Association of serum uric acid with prognosis in patients with myocardial infarction: an update systematic review and meta-analysis. BMC Cardiovasc Disord 2023; 23:512. [PMID: 37848854 PMCID: PMC10583382 DOI: 10.1186/s12872-023-03523-1] [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: 05/25/2023] [Accepted: 09/20/2023] [Indexed: 10/19/2023] Open
Abstract
BACKGROUND The prognostic significance of serum uric acid (SUA) in individuals who have experienced myocardial infarction (MI) remains a subject of academic debate. Thus, the aim of this study was to examine the occurrence of immediate and long-term adverse outcomes in individuals with elevated levels of uric acid (UA) following a diagnosis of MI. METHOD This study conducted a literature search from PubMed, Embase, Web of Science, Medline, Cochrane Library, Emcrae, and Scopus to perform a systematic review and meta-analysis of the prognostic impact of MI with a hyper SUA to assess short-term (30-day or in-hospital) and long-term mortality, the incidence of major adverse cardiovascular events (MACE), and its adverse event rate in relation to SUA. The literature search was conducted up until April 2023. A random effects model and risk ratio (RR) were used as epidemiological indicators. For indicators with low disease rates, treatment intensity was reduced and RR was considered equivalent to odds ratio (OR). Hazard Ratio (HR), RR, and OR extracted from the data were simultaneously subjected to multivariable adjustment for confounding factors. In addition, P values for all original hypotheses were extracted and a meta-analysis was conducted. High SUA was defined as SUA levels equal to or greater than 420 μmol/L (7.0 mg/dL) for males and equal to or greater than 357 μmol/L (6.0 mg/dL) for females. The quality of the literature was evaluated using the Newcastle-Ottawa Scale (NOS). RESULTS This comprehensive study included a total of 41 investigations, involving a large sample size of 225,600 individuals who had experienced MI. The findings from the meta-analysis reveal that patients diagnosed with hyperuricemia have significantly increased rates of short-term mortality (RR = 2.14, 95% CI = 1.86, 2.48) and short-term incidence of MACE (RR = 1.94, 95% CI = 1.65-2.11). Furthermore, long-term adverse outcomes, including all-cause mortality (RR = 1.46, 95% CI = 1.40-1.51) and incidence of MACE (RR = 1.43, 95% CI = 1.35-1.52), were also found to be higher in this specific patient population. CONCLUSION Patients diagnosed with MI and elevated SUA levels exhibit a heightened incidence of MACE during their hospital stay. Furthermore, these individuals also experience elevated rates of in-hospital mortality and mortality within one year of hospitalization. However, it is important to note that further randomized controlled trials are necessary to validate and authenticate these findings.
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Affiliation(s)
- Lei Huang
- Cardiovascular Department, Ningbo Hangzhou Bay Hospital, Qianwan New District, Ningbo, Zhejiang, China.
| | - Jiacheng Rong
- Cardiovascular Department, Ningbo Hangzhou Bay Hospital, Qianwan New District, Ningbo, Zhejiang, China
| | - Cheng Fang
- Department of Urologic Surgery, Ningbo Urology and Nephrology Hospital, Ningbo Yinzhou No.2 Hospital, Ningbo, Zhejiang, China
| | - Xudong Chen
- Cardiovascular Department, Ningbo Hangzhou Bay Hospital, Qianwan New District, Ningbo, Zhejiang, China
| | - Chaokun Hong
- MRC Centre for Global Infectious Disease Analysis Faculty of Medicine, Imperial College, London, UK
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Tan Y, Xu Y, Zhang Z, Ran Z, Liu X, Jia Y, Chen Y. The Prognostic Value and Treatment Strategies of Nutritional Status in Heart Failure Patients. Curr Probl Cardiol 2023; 48:101742. [PMID: 37087080 DOI: 10.1016/j.cpcardiol.2023.101742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 04/10/2023] [Accepted: 04/14/2023] [Indexed: 04/24/2023]
Abstract
Heart failure is a complex clinical syndrome caused by a variety of reasons leading to abnormal changes in the structure and/or function of the heart, with ventricular systolic and/or diastolic dysfunction, which is a serious manifestation or late stage of various heart diseases. The overall prognosis of patients is poor, and risk assessment of patients with HF is currently a hot topic of research due to the large heterogeneity of etiology, phenotype, and genetic background of HF patients. Besides, the nutritional level and status of HF patients are affected by various aspects. Patients with malnutrition, high saturated fatty acids and cholesterol, low minerals, and other conditions tend to have a poor prognosis. So targeted improvement of the nutritional status of HF patients is important to improve the prognosis and the quality of survival of patients. We use heart failure, nutrition, and diet therapy as the keyword method to summarize the prognostic value of indicators of nutritional status in HF patients, the effects of nutritional status on HF patients with different etiology, and potential treatment strategies for HF patients with different etiology. This review is valuable for understanding the prognostic value of nutritional levels in patients with HF and guiding clinical therapeutic approaches.
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Affiliation(s)
- Yinxi Tan
- West China School of Public Health and West China fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yuanwei Xu
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zixuan Zhang
- West China School of Public Health and West China fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zechao Ran
- West China School of Clinical Medicine and West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xinyue Liu
- West China School of Public Health and West China fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yunqi Jia
- West China School of Public Health and West China fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yucheng Chen
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
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Raos D, Prkačin I, Delalić Đ, Bulum T, Lovrić Benčić M, Jug J. Postoperative Hyperuricemia-A Risk Factor in Elective Cardiosurgical Patients. Metabolites 2023; 13:metabo13050590. [PMID: 37233631 DOI: 10.3390/metabo13050590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/23/2023] [Accepted: 04/24/2023] [Indexed: 05/27/2023] Open
Abstract
Hyperuricemia is a well-known cardiovascular risk factor. The aim of our study was to investigate the connection between postoperative hyperuricemia and poor outcomes after elective cardiac surgery compared to patients without postoperative hyperuricemia. In this retrospective study, a total of 227 patients after elective cardiac surgery were divided into two groups: 42 patients with postoperative hyperuricemia (mean age 65.14 ± 8.9 years) and a second group of 185 patients without it (mean age 62.67 ± 7.45 years). The time spent on mechanical ventilation (hours) and in the intensive care unit (days) were taken as the primary outcome measures while the secondary measure comprised postoperative complications. The preoperative patient characteristics were similar. Most of the patients were men. The EuroSCORE value of assessing the risk was not different between the groups nor the comorbidities. Among the most common comorbidities was hypertension, seen in 66% of all patients (69% in patients with postoperative hyperuricemia and 63.7% in those without it). A group of patients with postoperative hyperuricemia had a prolonged time of treatment in the intensive care unit (p = 0.03), as well as a prolonged duration of mechanical ventilation (p < 0.01) and a significantly higher incidence of the following postoperative complications: circulatory instability and/or low cardiac output syndrome (LCOS) (χ2 = 4486, p < 0.01), renal failure and/or continuous venovenous hemodiafiltration (CVVHDF's) (χ2 = 10,241, p < 0.001), and mortality (χ2 = 5.22, p < 0.01). Compared to patients without postoperative hyperuricemia, elective cardiac patients with postoperative hyperuricemia have prolonged postoperative treatment in intensive care units, extended durations of mechanically assisted ventilation, and a higher incidence of postoperative circulatory instability, renal failure, and death.
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Affiliation(s)
- Dominik Raos
- Institute of Emergency Medicine of Zagreb County, 10000 Zagreb, Croatia
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Ingrid Prkačin
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
- Department of Internal Medicine, Merkur University Hospital, 10000 Zagreb, Croatia
| | - Điđi Delalić
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Tomislav Bulum
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
- Department of Diabetes, Vuk Vrhovac University Clinic for Diabetes, Endocrinology, and Metabolic Diseases, Merkur University Hospital, 10000 Zagreb, Croatia
| | - Martina Lovrić Benčić
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
- Department for Ischemic Heart Disease, University Clinic of Cardiovascular Diseases, Clinical Hospital Center Zagreb, 10000 Zagreb, Croatia
| | - Juraj Jug
- School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
- Health Center Zagreb-West, 10000 Zagreb, Croatia
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Wu H, Dai R, Wang M, Chen C. Uric acid promotes myocardial infarction injury via activating pyrin domain-containing 3 inflammasome and reactive oxygen species/transient receptor potential melastatin 2/Ca 2+pathway. BMC Cardiovasc Disord 2023; 23:10. [PMID: 36627567 PMCID: PMC9830724 DOI: 10.1186/s12872-023-03040-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Cardiomyocytes injury has been considered as a key contributor for myocardial infarction (MI). Uric acid (UA) can induce cardiomyocytes injury, which is closely related to NLRP3 activation and inflammatory factor generation. However, the mechanism how UA modulates cardiomyocytes remains elusive. Western blotting and qRT-PCR were applied for measuring protein and mRNA expression, respectively. ROS production and Ca2+ influx were measured by flow cytometry. Patch clamp technique was used for measuring transient receptor potential melastatin 2 (TRPM2) channel. Ligation of left anterior descending for 2 h was performed to induce MI animal model. The rats were treated by different concentration of uric acid. The artery tissues were stained by HE and collected for measurement of NLRP3 and inflammatory factors. Supplementation of UA significantly promoted apoptosis, and augmented the expression of intercellular adhesion molecule-1, chemoattractant protein-1, vascular cell adhesion molecule-1, and NLRP3 inflammasome. Knockdown of NLRP3 reversed the influence of UA on MI by decreasing collagen deposition, fibrotic area, apoptosis. The expression of NLRP3 inflammasome increased markedly after treatment of UA. UA activated ROS/TRPM2/Ca2+ pathway through targeting NLRP3. UA activated NLRP3 inflammasome and augments inflammatory factor production, which in turn exacerbates cardiomyocytes injury. Knockdown of NLRP3 reversed the influence of UA on apoptosis and cell cycle. UA may promote cardiomyocytes injury through activating NLRP3 inflammasome and ROS/TRPM2 channel/Ca2+ pathway.
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Affiliation(s)
- Haiyun Wu
- grid.412683.a0000 0004 1758 0400Department of Cardiology, Quanzhou First Hospital Affiliated to Fujian Medical University, No. 250 East Street, Quanzhou, 362000 China
| | - Ruozhu Dai
- grid.412683.a0000 0004 1758 0400Department of Cardiology, Quanzhou First Hospital Affiliated to Fujian Medical University, No. 250 East Street, Quanzhou, 362000 China
| | - Min Wang
- grid.412683.a0000 0004 1758 0400Department of Cardiology, Quanzhou First Hospital Affiliated to Fujian Medical University, No. 250 East Street, Quanzhou, 362000 China
| | - Chengbo Chen
- grid.412683.a0000 0004 1758 0400Department of Cardiology, Quanzhou First Hospital Affiliated to Fujian Medical University, No. 250 East Street, Quanzhou, 362000 China
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Zhang Y, Xu Z, He W, Lin Z, Liu Y, Dai Y, Chen W, Chen W, He W, Duan C, He P, Liu Y, Tan N. Elevated Serum Uric Acid/Albumin Ratio as a Predictor of Post-Contrast Acute Kidney Injury After Percutaneous Coronary Intervention in Patients with ST-Segment Elevation Myocardial Infarction. J Inflamm Res 2022; 15:5361-5371. [PMID: 36131782 PMCID: PMC9484828 DOI: 10.2147/jir.s377767] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/22/2022] [Indexed: 11/23/2022] Open
Abstract
Background The serum uric acid/albumin ratio (sUAR), a novel inflammatory marker, effectively predicts acute kidney injury (AKI) and cardiovascular outcomes. However, whether the sUAR predicts post-contrast acute kidney injury (PC-AKI) in patients with ST-segment elevation myocardial infarction (STEMI) undergoing percutaneous coronary intervention (PCI) remains uncertain. In this study, we evaluated the association between the sUAR and PC-AKI in patients with STEMI undergoing PCI. Methods We consecutively recruited patients with STEMI who underwent PCI and stratified them into three groups according to the terciles of the sUAR. The primary outcome was the incidence of PC-AKI. The association between the sUAR and PC-AKI was assessed by multivariate logistic regression analysis. Results A total of 2861 patients with STEMI were included in this study. The incidence of PC-AKI increased stepwise with increasing sUAR tercile (2.6% vs 4.0% vs 11.6%, p < 0.001), and the incidence of in-hospital major adverse clinical events (MACEs) was highest among patients in the Q3 group. Multivariate logistic regression analysis revealed that the sUAR was also an independent predictor of PC-AKI (continuous sUAR, per 1-unit increase, odds ratio [OR] [95% confidence interval (CI)]: 1.06 [1.02-1.10], p = 0.005; tercile of sUAR, OR [95% CI] for Q2 and Q3: 1.18 [0.69-2.01] and 1.85 [1.12-3.06], respectively, with Q1 as a reference) but not in-hospital MACEs. In the receiver operating characteristic (ROC) analysis, the area under the curve (AUC) of the sUAR for predicting PC-AKI was 0.708 (95% CI: 0.666-0.751), and ROC analysis also showed that the sUAR was superior to uric acid and albumin alone in predicting PC-AKI. Conclusion Increasing sUAR was significantly associated with a higher risk of PC-AKI but not in-hospital MACEs in patients with STEMI who underwent PCI, suggesting that sUAR had a predictive value for PC-AKI after PCI in patients with STEMI. Further studies are required to confirm this finding.
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Affiliation(s)
- Yeshen Zhang
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
- Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
| | - Zhengrong Xu
- Department of Cardiology, People’s Hospital of Baoan Shenzhen, Guangzhou, People’s Republic of China
| | - Wenfei He
- Department of Cardiology, Guangdong Provincial People's Hospital’s Nanhai Hospital, the Second People’s Hospital of Nanhai District Foshan City, Foshan, People’s Republic of China
| | - Zehuo Lin
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
- Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
| | - Yaoxin Liu
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
- Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
| | - Yining Dai
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
- Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
| | - Wei Chen
- Department of Cardiology, Fujian Provincial Clinical College of Fujian Medical University, Fujian Provincial Hospital, Fujian Institute of Cardiovascular Disease, Fuzhou, People’s Republic of China
| | - Weikun Chen
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
- Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
| | - Wenlong He
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
- Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
| | - Chongyang Duan
- Department of Biostatistics, School of Public Health, Southern Medical University, Guangzhou, People’s Republic of China
| | - Pengcheng He
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
- Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
| | - Yuanhui Liu
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
- Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
| | - Ning Tan
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
- Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
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Maulana S, Nuraeni A, Aditya Nugraha B. The Potential of Prognostic Biomarkers of Uric Acid Levels in Coronary Heart Disease Among Aged Population: A Scoping Systematic Review of the Latest Cohort Evidence. J Multidiscip Healthc 2022; 15:161-173. [PMID: 35115780 PMCID: PMC8801359 DOI: 10.2147/jmdh.s340596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 12/02/2021] [Indexed: 11/23/2022] Open
Affiliation(s)
- Sidik Maulana
- Faculty of Nursing, Universitas Padjadjaran, Bandung, Indonesia
| | - Aan Nuraeni
- Department of Critical Care and Emergency Nursing, Faculty of Nursing, Universitas Padjadjaran, Bandung, Indonesia
- Correspondence: Aan Nuraeni, Department of Critical Care and Emergency, Faculty of Nursing, Universitas Padjadjaran, Sumedang, Indonesia, Tel + 6285624217606, Fax +022-7795596, Email
| | - Bambang Aditya Nugraha
- Department of Medical-Surgical Nursing, Faculty of Nursing, Universitas Padjadjaran, Bandung, Indonesia
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Hromadka M, Opatrny J, Miklik R, Suchy D, Bruthans J, Jirak J, Rokyta R, Mayer O. Uricemia in the acute phase of myocardial infarction and its relation to long-term mortality risk. J Comp Eff Res 2021; 10:979-988. [PMID: 34114471 DOI: 10.2217/cer-2021-0082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: Although uric acid has antioxidant effects, hyperuricemia has been established as an indicator of increased cardiovascular mortality in various patient populations. Treatment of asymptomatic hyperuricemia in patients with acute myocardial infarction (MI) is not routinely recommended, and the efficacy of such treatment in terms of cardiovascular risk reduction remains doubtful. Materials & methods: In a prospective cohort study, we followed 5196 patients admitted for a MI between 2006 and 2018. We assessed the relationship between baseline uricemia and the incidence of all-cause death and cardiovascular mortality and the effect of long-term allopurinol treatment. Hyperuricemia was defined as serum uric acid >450 μmol/l in men and >360 μmol/l in women. Results: In the entire cohort, the 1-year all-cause and cardiovascular mortality rates were 8 and 7.4%, and the 5-year rates were 18.3 and 15.3%, respectively. Using a fully adjusted model, hyperuricemia was associated with a 70% increased risk of both all-cause death and cardiovascular mortality at 1 year, and the negative prognostic value of hyperuricemia persisted over the 5-year follow-up (for all-cause death, hazard risk ratio = 1.45 [95% CI: 1.23-1.70] and for cardiovascular mortality, hazard risk ratio = 1.52 [95% CI: 1.28-1.80], respectively). Treatment of asymptomatic hyperuricemia with allopurinol did not affect mortality rates. Conclusion: Hyperuricemia detected in patients during the acute phase of an MI appears to be independently associated with an increased risk of subsequent fatal cardiovascular events. However, hyperuricemia treatment with low-dose allopurinol did not prove beneficial for these patients.
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Affiliation(s)
- Milan Hromadka
- Cardiology Department, University Hospital & Faculty of Medicine, Pilsen, Charles University, Czech Republic
| | - Jan Opatrny
- Cardiology Department, University Hospital & Faculty of Medicine, Pilsen, Charles University, Czech Republic
| | - Roman Miklik
- Cardiology Department, University Hospital & Faculty of Medicine, Pilsen, Charles University, Czech Republic
| | - David Suchy
- Department of Clinical Pharmacology, Rheumatology, University Hospital & Faculty of Medicine, Pilsen, Charles University, Czech Republic
| | - Jan Bruthans
- Centre for Cardiovascular Prevention, First Faculty of Medicine, Charles University & Thomayer's Hospital, Prague, Czech Republic.,2nd Department of Internal Medicine, University Hospital & Faculty of Medicine, Pilsen, Charles University, Czech Republic
| | - Josef Jirak
- Department of Informatics, University Hospital, Pilsen, Czech Republic
| | - Richard Rokyta
- Cardiology Department, University Hospital & Faculty of Medicine, Pilsen, Charles University, Czech Republic
| | - Otto Mayer
- 2nd Department of Internal Medicine, University Hospital & Faculty of Medicine, Pilsen, Charles University, Czech Republic.,Biomedical Center, Faculty of Medicine, Pilsen, Charles University, Czech Republic
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10
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Wang R, An D, Wu Y, Ma P, Guo Y, Tang L. Clinicopathological characteristics and outcomes of anti-neutrophil cytoplasmic autoantibody-related renal vasculitis with hyperuricemia: a retrospective case-control study. Sci Rep 2021; 11:2002. [PMID: 33479426 PMCID: PMC7820396 DOI: 10.1038/s41598-021-81664-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 12/29/2020] [Indexed: 02/07/2023] Open
Abstract
The objective of the study was to evaluate the clinicopathological characteristics and investigate the clinical determinants of patient and renal survival in the first 12 months after diagnosis in anti-neutrophil cytoplasmic antibody (ANCA)-associated renal vasculitis (AAV) patients with hyperuricemia. This was a retrospective case-control study in patients with AAV-related renal injury in the First Affiliated Hospital of Zhengzhou University from January 2014 to April 2019. Patients who met the study criteria were divided into two groups: patients without hyperuricemia (n = 92) and patients with hyperuricemia (n = 55). Participants were followed-up for 12 months, and progressing to end-stage renal disease (ESRD) and death was treated as the endpoint event. We found that the level of serum creatinine was an independent risk factor for hyperuricemia, and the level of serum uric acid was an independent risk factors for renal survival and patient survival in ANCA-associated renal vasculitis patients. The crescents formation and the proportion of fibrous crescent likely contributed to severe clinical characteristics and renal pathological changes in ANCA-associated renal vasculitis patients with hyperuricemia. Hyperuricemia has an important influence on the progression of ANCA-associated renal vasculitis. A good control of serum uric acid may improve the prognosis.
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Affiliation(s)
- Ruiqiang Wang
- Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan Province, China.
| | - Dongyue An
- Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan Province, China
| | - Yunqi Wu
- Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan Province, China
| | - Pupu Ma
- Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan Province, China
| | - Yuanyuan Guo
- Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan Province, China
| | - Lin Tang
- Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan Province, China.
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11
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Shiyovich A, Gilutz H, Plakht Y. Serum electrolyte/metabolite abnormalities among patients with acute myocardial infarction: comparison between patients with and without diabetes mellitus. Postgrad Med 2020; 133:395-403. [PMID: 33275496 DOI: 10.1080/00325481.2020.1860393] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Background: Diabetes mellitus (DM) in a setting of acute myocardial infarction (AMI) is associated with significant metabolic changes and worse outcomes.Objective: To evaluate the prevalence and the prognostic significance of electrolyte/metabolite disturbances among AMI patients with vs. without DM.Methods: Patients admitted to a tertiary medical center with AMI throughout 2002-2012 were screened. Exclusion criteria were: dialysis, mechanical ventilation, and in-hospital coronary artery bypass graft (CABG) surgery. All the results of the following analyses were obtained: Glucose, Uric Acid, (UA) Calcium, Magnesium, Albumin, Potassium, and Sodium. The primary outcome was in-hospital all-cause mortality.Results: A total of 14,364 AMI patient admissions was evaluated, mean age 68.1 ± 14.4 years, 65.5% males, and 41.2% with DM. Following an adjustment to potential confounders, DM patients had increased risk for significant hyperglycemia, hyperuricemia, hypercalcemia, hypomagnesemia, hyperkalemia, and hyponatremia as well as significantly decreased risk for hypoglycemia, hypermagnesemia, and hypokalemia compared with nondiabetics. Overall, 681 (4.7%) patients died throughout the index admission. Deceased had an increased incidence of electrolyte/metabolite abnormalities versus hospital survivors. The prognostic significance of the different categories of the investigated variables is very similar among diabetics and nondiabetics, except increased and decreased uric acid levels [<4.5 (men); <4.0 (women) and ≥9.0 (men); ≥9.4 (women)] which are associated with worse outcomes among diabetics while hyperglycemia (Glucose ≥213 mg/dL) and increased Potassium levels (Potassium ≥4.4mEq/L) which comprise significantly worse prognosis among nondiabetics.Conclusions: Patients with DM admitted with AMI are at greater risk for electrolyte/metabolite abnormalities which are associated with increased risk for in-hospital mortality. The latter association is similar among patients with and without DM except for hyperglycemia and increased potassium levels (stronger among nondiabetics).
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Affiliation(s)
- Arthur Shiyovich
- Department of Cardiology, Rabin Medical Center, Petah Tikva, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Harel Gilutz
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Ygal Plakht
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,Soroka University Medical Center, Beer-Sheva, Israel
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12
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The management of gout in Africa: challenges and opportunities. Clin Rheumatol 2020; 40:3393-3400. [PMID: 32944884 DOI: 10.1007/s10067-020-05401-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 09/01/2020] [Accepted: 09/12/2020] [Indexed: 10/23/2022]
Abstract
The rise in non-communicable diseases in Africa presents challenges for health systems that are burdened by infectious diseases. Gout is one of those diseases that has seen an increase in numbers worldwide, including Africa. Gout is commonly associated with comorbidities and mortality. It directly impacts the quality of life, increases health costs, decreases physical function, and significantly increases the time from work, much of which is potentially avoided if treatment is instituted early. Despite advances in understanding the pathophysiology and outcomes of gout, the quality of care delivered to patients in Africa is still suboptimal. Existing data on gout in Africa reveals a general low index of suspicion due to limited knowledge of the disease by healthcare workers resulting in late diagnosis, with severe polyarticular tophaceous gout being a common presenting feature. These late presentations are associated with avoidable disability and increase the direct and indirect costs of managing gout. The challenges are related to lack of government budgetary support for staff training, infrastructure for diagnosis, and availing medicines. The picture of gout in Africa largely mirrors the west concerning risk factors, comorbidities, and burden of disease, but with some unique presentations seen in HIV, sickle cell disease, and vertigo. We discuss the challenges of gout diagnosis and management in Africa and propose a roadmap to improve gout outcomes across Africa.
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13
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Yang Y, Lin LH, Gao M, Tang RN, Ma KL, Tu Y, Liu H, Liu BC. Association Between the Serum Uric Acid Level and the Severity of Coronary Artery Disease in a Retrospective Study of China Nondialysis CKD Patients. Metab Syndr Relat Disord 2020; 18:206-211. [PMID: 32069163 DOI: 10.1089/met.2019.0114] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Introduction: Hyperuricemia has been associated with increased cardiovascular events in the general population. However, the role of serum uric acid (SUA) level on the severity of coronary artery stenosis (CAS) in nondialysis chronic kidney disease (CKD) patients is obscure. Methods: We implement a retrospective cohort study of 734 patients diagnosed with stage 3-5 CKD. All selected patients underwent coronary artery angiography. The associations of SUA with the present, and severity of coronary artery disease (CAD) were analyzed. Results: Of these 734 patients, 511 patients had angiographically proven CAD. Compared with non-CAD group, the SUA level in CAD group was much higher (388.00 vs. 363.00 μmol/l, P < 0.01). After adjusting for multiple confounding factors, a multivariate logistic regression analysis demonstrated that SUA was relevant to the presence of CAD when SUA as a continuous variable. However, this relationship was not observed with SUA as a categorical variable. In a subgroup analysis for the CAD group, we found that the rates of severe CAS in the third tertile of SUA (58.6%) was higher than that in the first tertile (41.6%) (P < 0.01). Compared with the first tertile of SUA, the third tertile of SUA was an independent risk factor for severe arterial stenosis (odds ratio, OR, 1.976 [1.203-3.248]), a pattern that was recapitulated by multivariate logistic regression analysis with SUA as a continuous variable (1.002 [1.000-1.004]). Conclusions: The SUA level may serve as a predictor of the severity of CAS among nondialysis CKD patients with CAD.
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Affiliation(s)
- Yan Yang
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Li-Hua Lin
- Department of Nephrology, People's Hospital of Suzhou New District, Suzhou, Jiangsu, China
| | - Min Gao
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Ri-Ning Tang
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Kun-Ling Ma
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Yan Tu
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Hong Liu
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Bi-Cheng Liu
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
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14
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Gobusamang E, Nyepetsi NG, Motswaledi MS, Kasvosve I. Hyperuricaemia is associated with dyslipidemia but not HbA1c among type 2 diabetes mellitus patients in Botswana. Afr J Lab Med 2019; 8:786. [PMID: 31745455 PMCID: PMC6852606 DOI: 10.4102/ajlm.v8i1.786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/28/2019] [Indexed: 11/06/2022] Open
Abstract
Medical records and residual samples from 334 type 2 diabetes mellitus patients attending a clinic in Gaborone, Botswana, during the period September–December 2016 were analysed for the effects of hyperuricaemia on biochemical markers of adverse outcomes. The patients were stratified as having hyperuricaemia (> 400 µmol/L) or normal serum uric acid (≤ 400 µmol/L). We compared glycated haemoglobin, triglycerides, low-density lipoprotein-cholesterol, high-density lipoprotein-cholesterol, total cholesterol and serum creatinine between the two serum uric acid categories. Hyperuricaemia was detected in 28% of patients (95% confidence interval 23.1–32.9) and was associated with increased serum triglycerides, triglyceride to high-density lipoprotein-cholesterol ratio and creatinine concentration, but not with glycated haemoglobin.
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Affiliation(s)
- Ellen Gobusamang
- Department of Medical Laboratory Sciences, Faculty of Health Sciences, University of Botswana, Gaborone, Botswana
| | - Naledi G Nyepetsi
- Department of Medical Laboratory Sciences, Faculty of Health Sciences, University of Botswana, Gaborone, Botswana
| | - Modisa S Motswaledi
- Department of Medical Laboratory Sciences, Faculty of Health Sciences, University of Botswana, Gaborone, Botswana
| | - Ishmael Kasvosve
- Department of Medical Laboratory Sciences, Faculty of Health Sciences, University of Botswana, Gaborone, Botswana
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15
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Puddu PE. Serum vitamin A, total homocysteine and acute myocardial infarction: is there a causal association? Eur J Prev Cardiol 2018; 25:1607-1611. [PMID: 30152241 DOI: 10.1177/2047487318796581] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Paolo E Puddu
- Equite d'Accueil (EA) 4650: Signalisation, électrophysiologie et imagerie des lésions d'ischémie reperfusion myocardique, Université de Caen, France.,Department of Cardiovascular, Respiratory, Nephrological, Anesthesiological and Geriatric Sciences, Sapienza University of Rome, Italy
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16
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Larsen TR, Gerke O, Diederichsen AC, Lambrechtsen J, Steffensen FH, Sand NP, Saaby L, Antonsen S, Mickley H. The association between uric acid levels and different clinical manifestations of coronary artery disease. Coron Artery Dis 2018; 29:194-203. [DOI: 10.1097/mca.0000000000000593] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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17
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Fanning N, Merriman TR, Dalbeth N, Stamp LK. An association of smoking with serum urate and gout: A health paradox. Semin Arthritis Rheum 2017; 47:825-842. [PMID: 29398126 DOI: 10.1016/j.semarthrit.2017.11.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 11/01/2017] [Accepted: 11/16/2017] [Indexed: 12/14/2022]
Abstract
BACKGROUND The potential effect of cigarette smoking on levels of serum urate and risk of gout has been considered by a large number of studies, either as the primary variable of interest or as a covariate. METHODS Here we systematically review the published evidence relating to the relationship of smoking with serum urate, hyperuricaemia, and gout. RESULTS Many studies have reported that smoking reduces serum urate, however, the evidence has not been conclusive with other studies pointing to the opposite or no effect. It has also been suggested that smoking reduces the risk of gout, although there is some evidence to contradict this finding. CONCLUSION A consensus has yet to be reached as to the effect of smoking on serum urate levels and the risk of gout.
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Affiliation(s)
- Niamh Fanning
- Department of Medicine, University of Otago, Christchurch, PO Box 4345, Christchurch, New Zealand.
| | - Tony R Merriman
- Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - Nicola Dalbeth
- Department of Medicine, University of Auckland, Auckland, New Zealand
| | - Lisa K Stamp
- Department of Medicine, University of Otago, Christchurch, PO Box 4345, Christchurch, New Zealand
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18
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Affiliation(s)
- William E Winter
- Departments of Pathology, Immunology & Laboratory Medicine, Pediatrics, and Molecular Genetics & Microbiology, Type 1 Diabetes TrialNet ICA Core Laboratory, UF Pathology Laboratories , Endocrine Autoantibody Laboratory, Gainesville, Florida
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