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Zhou Z, Li K, Li X, Luan R, Zhou R. Independent and joint associations of body mass index, waist circumference, waist-height ratio and their changes with risks of hyperuricemia in middle-aged and older Chinese individuals: a population-based nationwide cohort study. Nutr Metab (Lond) 2021; 18:62. [PMID: 34120647 PMCID: PMC8201932 DOI: 10.1186/s12986-021-00590-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 06/10/2021] [Indexed: 02/04/2023] Open
Abstract
Background Previous reports regarding the predictive power of adiposity indices remain inconsistent, and longitudinal studies on this top are limited. The associations of hyperuricemia risk with changes in obesity status, as well as the joint effects of baseline adiposity indices and body adiposity change on hyperuricemia risk are not fully elucidated. This study aimed to explore the independent and joint associations of baseline adiposity indicators and body adiposity change with hyperuricemia risk among middle-aged and older population in China. Methods A total of 2895 participants aged ≥ 45 years from the baseline survey of the China Health and Retirement Longitudinal Study were followed up for 4 years. Anthropometric parameters (weight, height, and waist circumference) and serum uric acid were obtained using standard devices. Adjusted odds ratio and 95% confidential interval were calculated to estimate the associations between predictor variables and hyperuricemia risk using multivariate logistic regression. Results Of the 2895 participants, 293 (10.12%) cases of hyperuricemia were identified. Increased baseline body mass index (BMI), waist circumference, and waist-height ratio (WHtR) were significantly associated with higher risks of hyperuricemia. A slightly greater but non-significant area under the curve value was observed for waist circumference (0.622) than for BMI (0.611) and WHtR (0.614) (P = 0.447). Compared to subjects with stable adiposity status, participants with weight loss of ≥ 4 kg or waist circumference loss of ≥ 6 cm had a 56% or 55% lower risk of hyperuricemia, and those with weight gain of > 4 kg had a 1.62-fold higher risk of hyperuricemia. Compared to those without obesity, participants with incident or persistent obesity were more likely to develop hyperuricemia. Additionally, regardless of stable or increased weight/waist circumference during follow-up, individuals with obesity at baseline had a higher risk of incident hyperuricemia. Conclusion This study demonstrates that BMI, waist circumference, and WHtR equally predict the development of hyperuricemia, and weight loss and waist circumference reduction are favorable in preventing hyperuricemia.
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Affiliation(s)
- Zonglei Zhou
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Kunpeng Li
- Department of Neurorehabilitation, Shanghai Second Rehabilitation Hospital, Shanghai, 200441, China
| | - Xianzhi Li
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Rongsheng Luan
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China.
| | - Ruzhen Zhou
- Department of Colorectal Surgery, Changhai Hospital of Shanghai, Shanghai, 200433, China.
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Russo E, Viazzi F, Pontremoli R, Barbagallo CM, Bombelli M, Casiglia E, Cicero AFG, Cirillo M, Cirillo P, Desideri G, D'Elia L, Ferri C, Galletti F, Gesualdo L, Giannattasio C, Iaccarino G, Leoncini G, Mallamaci F, Maloberti A, Masi S, Mengozzi A, Mazza A, Muiesan ML, Nazzaro P, Palatini P, Parati G, Rattazzi M, Rivasi G, Salvetti M, Tikhonoff V, Tocci G, Ungar A, Verdecchia P, Virdis A, Volpe M, Grassi G, Borghi C. Association of uric acid with kidney function and albuminuria: the Uric Acid Right for heArt Health (URRAH) Project. J Nephrol 2021; 35:211-221. [PMID: 33755930 PMCID: PMC8803667 DOI: 10.1007/s40620-021-00985-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 01/30/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Hyperuricemia is commonly observed in patients with chronic kidney disease (CKD). However, a better understanding of the relationship among uric acid (UA) values, glomerular filtration rate (GFR) and albuminuria may shed light on the mechanisms underlying the excess of cardiovascular mortality associated with both chronic kidney disease and hyperuricemia and lead to better risk stratification. Our main goal was to study the relationships between serum uric acid and kidney disease measures (namely estimated GFR [eGFR] and albuminuria) in a large cohort of individuals at cardiovascular risk from the URic acid Right for heArt Health (URRAH) Project database. METHODS Clinical data of 26,971 individuals were analyzed. Factors associated with the presence of hyperuricemia defined on the basis of previously determined URRAH cutoffs for cardiovascular and all-cause mortality were evaluated through multivariate analysis. Chronic kidney disease was defined as eGFR < 60 ml/min per 1.73 m2 and/or abnormal urinary albumin excretion diagnosed as: (i) microalbuminuria if urinary albumin concentration was > 30 and ≤ 300 mg/L, or if urinary albumin-to-creatinine ratio (ACR) was > 3.4 mg/mmol and ≤ 34 mg/mmol; (ii) macroalbuminuria if urinary albumin concentration was > 300 mg/L, or if ACR was > 34 mg/mmol. RESULTS Mean age was 58 ± 15 years (51% males, 62% with hypertension and 12% with diabetes), mean eGFR was 81 ml/min per 1.73m22with a prevalence of eGFR < 60 and micro- or macroalbuminuria of 16, 15 and 4%, respectively. Serum uric acid showed a trend towards higher values along with decreasing renal function. Both the prevalence of gout and the frequency of allopurinol use increased significantly with the reduction of eGFR and the increase in albuminuria. Hyperuricemia was independently related to male gender, eGFR strata, and signs of insulin resistance such as body mass index (BMI) and triglycerides. CONCLUSIONS The lower the eGFR the higher the prevalence of hyperuricemia and gout. In subjects with eGFR < 60 ml/min the occurrence of hyperuricemia is about 10 times higher than in those with eGFR > 90 ml/min. The percentage of individuals treated with allopurinol was below 2% when GFR was above 60 ml/min, it increased to 20% in the presence of CKD 3b and rose further to 35% in individuals with macroalbuminuria.
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Affiliation(s)
- Elisa Russo
- Department of Internal Medicine, University of Genoa and IRCCS Ospdedale Policlinico San Martino, Viale Benedetto XV, 6, 16132, Genoa, Italy
| | - Francesca Viazzi
- Department of Internal Medicine, University of Genoa and IRCCS Ospdedale Policlinico San Martino, Viale Benedetto XV, 6, 16132, Genoa, Italy.
| | - Roberto Pontremoli
- Department of Internal Medicine, University of Genoa and IRCCS Ospdedale Policlinico San Martino, Viale Benedetto XV, 6, 16132, Genoa, Italy
| | - Carlo Maria Barbagallo
- Biomedical Department of Internal Medicine and Specialistics, University of Palermo, Palermo, Italy
| | - Michele Bombelli
- Department of Medicine and Surgery, Clinica Medica, University of Milano-Bicocca, Monza, Italy
| | - Edoardo Casiglia
- Department of Medicine, Studium Patavinum, University of Padua, Padua, Italy
| | | | - Massimo Cirillo
- Department of Public Health, Federico II University of Naples Medical School, Naples, Italy
| | - Pietro Cirillo
- Department of Emergency and Organ Transplantation-Nephrology, Dialysis and Transplantation Unit, Aldo Moro University of Bari, Bari, Italy
| | - Giovambattista Desideri
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Lanfranco D'Elia
- Department of Clinical Medicine and Surgery, Federico II University of Naples Medical School, Naples, Italy
| | - Claudio Ferri
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Ferruccio Galletti
- Department of Clinical Medicine and Surgery, Federico II University of Naples Medical School, Naples, Italy
| | - Loreto Gesualdo
- Department of Emergency and Organ Transplantation-Nephrology, Dialysis and Transplantation Unit, Aldo Moro University of Bari, Bari, Italy
| | - Cristina Giannattasio
- Cardiology IV, A. De Gasperis Department, Health Science Department, Niguarda Ca' Granda Hospital, Milano-Bicocca University, Milan, Italy
| | - Guido Iaccarino
- Department of Advanced Biomedical Sciences, Federico II University of Naples Medical School, Naples, Italy
| | - Giovanna Leoncini
- Department of Internal Medicine, University of Genoa and IRCCS Ospdedale Policlinico San Martino, Viale Benedetto XV, 6, 16132, Genoa, Italy
| | - Francesca Mallamaci
- Reggio Cal Unit, CNR-IFC, Clinical Epidemiology of Renal Diseases and Hypertension, Reggio Calabria, Italy
| | - Alessandro Maloberti
- Cardiology IV, A. De Gasperis Department, Health Science Department, Niguarda Ca' Granda Hospital, Milano-Bicocca University, Milan, Italy
| | - Stefano Masi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Alessandro Mengozzi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Alberto Mazza
- Department of Internal Medicine, Hypertension Unit, General Hospital, Rovigo, Italy
| | - Maria Lorenza Muiesan
- Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - Pietro Nazzaro
- Department of Medical Basic Sciences, Neurosciences and Sense Organs, University of Bari Medical School, Bari, Italy
| | - Paolo Palatini
- Department of Medicine, Studium Patavinum, University of Padua, Padua, Italy
| | - Gianfranco Parati
- S. Luca Hospital, Istituto Auxologico Italiano & University of Milan-Bicocca, Milan, Italy
| | - Marcello Rattazzi
- Department of Medicine, Medicina Interna 1°, Ca' Foncello University Hospital, University of Padova, Treviso, Italy
| | - Giulia Rivasi
- Department of Medicine, University of Padua, Padua, Italy
| | - Massimo Salvetti
- Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | | | - Giuliano Tocci
- Hypertension Unit, Division of Cardiology, Department of Clinical and Molecular Medicine, Faculty of Medicine and Psychology, Sant'Andrea Hospital, University of Rome Sapienza, Rome, Italy.,IRCCS Neuromed, Pozzilli, Italy
| | - Andrea Ungar
- Department of Geriatric and Intensive Care Medicine, Careggi Hospital and University of Florence, Florence, Italy
| | | | - Agostino Virdis
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Massimo Volpe
- Hypertension Unit, Division of Cardiology, Department of Clinical and Molecular Medicine, Faculty of Medicine and Psychology, Sant'Andrea Hospital, University of Rome Sapienza, Rome, Italy.,IRCCS Neuromed, Pozzilli, Italy
| | - Guido Grassi
- Department of Medicine and Surgery, Clinica Medica, University of Milano-Bicocca, Monza, Italy
| | - Claudio Borghi
- Department of Medical and Surgical Science, Alma Mater Studiorum University of Bologna, Bologna, Italy
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Fabian J, George JA, Etheredge HR, van Deventer M, Kalyesubula R, Wade AN, Tomlinson LA, Tollman S, Naicker S. Methods and reporting of kidney function: a systematic review of studies from sub-Saharan Africa. Clin Kidney J 2019; 12:778-787. [PMID: 31807291 PMCID: PMC6885675 DOI: 10.1093/ckj/sfz089] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Indexed: 01/01/2023] Open
Abstract
Globally, chronic kidney disease (CKD) is an emerging public health challenge but accurate data on its true prevalence are scarce, particularly in poorly resourced regions such as sub-Saharan Africa (SSA). Limited funding for population-based studies, poor laboratory infrastructure and the absence of a validated estimating equation for kidney function in Africans are contributing factors. Consequently, most available studies used to estimate population prevalence are hospital-based, with small samples of participants who are at high risk for kidney disease. While serum creatinine is most commonly used to estimate glomerular filtration, there is considerable potential bias in the measurement of creatinine that might lead to inaccurate estimates of kidney disease at individual and population level. To address this, the Laboratory Working Group of the National Kidney Disease Education Program published recommendations in 2006 to standardize the laboratory measurement of creatinine. The primary objective of this review was to appraise implementation of these recommendations in studies conducted in SSA after 2006. Secondary objectives were to assess bias relating to choice of estimating equations for assessing glomerular function in Africans and to evaluate use of recommended diagnostic criteria for CKD. This study was registered with Prospero (CRD42017068151), and using PubMed, African Journals Online and Web of Science, 5845 abstracts were reviewed and 252 full-text articles included for narrative analysis. Overall, two-thirds of studies did not report laboratory methods for creatinine measurement and just over 80% did not report whether their creatinine measurement was isotope dilution mass spectroscopy (IDMS) traceable. For those reporting a method, Jaffe was the most common (93%). The four-variable Modification of Diet in Renal Disease (4-v MDRD) equation was most frequently used (42%), followed by the CKD Epidemiology Collaboration (CKD-EPI) equation for creatinine (26%). For the 4-v MDRD equation and CKD-EPI equations, respectively, one-third to one half of studies clarified use of the coefficient for African-American (AA) ethnicity. When reporting CKD prevalence, <15% of studies fulfilled Kidney Disease: Improving Global Outcomes criteria and even fewer used a population-based sample. Six studies compared performance of estimating equations to measured glomerular filtration rate (GFR) demonstrating that coefficients for AA ethnicity used in the 4-v MDRD and the CKD-EPI equations overestimated GFR in Africans. To improve on reporting in future studies, we propose an ‘easy to use’ checklist that will standardize reporting of kidney function and improve the quality of studies in the region. This research contributes some understanding of the factors requiring attention to ensure accurate assessment of the burden of kidney disease in SSA. Many of these factors are difficult to address and extend beyond individual researchers to health systems and governmental policy, but understanding the burden of kidney disease is a critical first step to informing an integrated public health response that would provide appropriate screening, prevention and management of kidney disease in countries from SSA. This is particularly relevant as CKD is a common pathway in both infectious and non-communicable diseases, and multimorbidity is now commonplace, and even more so when those living with severe kidney disease have limited or no access to renal replacement therapy.
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Affiliation(s)
- June Fabian
- Wits Donald Gordon Medical Centre, Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa.,Medical Research Council/Wits University Rural Public Health and Health Transitions Research Unit (Agincourt), School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.,Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Jaya A George
- Department of Chemical Pathology, National Health Laboratory Services, University of Witwatersrand, Johannesburg, South Africa
| | - Harriet R Etheredge
- Wits Donald Gordon Medical Centre, Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa.,Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Manuel van Deventer
- Department of Chemical Pathology, National Health Laboratory Services, University of Witwatersrand, Johannesburg, South Africa.,Lancet Laboratories, Johannesburg, South Africa
| | - Robert Kalyesubula
- Medical Research Council/UVRI, London School of Hygiene and Tropical Medicine Research Unit, Entebbe, Uganda.,Department of Internal Medicine and Department of Physiology, Makerere University College of Health Sciences, Kampala, Uganda
| | - Alisha N Wade
- Medical Research Council/Wits University Rural Public Health and Health Transitions Research Unit (Agincourt), School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Laurie A Tomlinson
- Department of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, UK
| | - Stephen Tollman
- Medical Research Council/Wits University Rural Public Health and Health Transitions Research Unit (Agincourt), School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.,International Network for the Demographic Evaluation of Populations and their Health (INDEPTH) Network, Accra, Ghana
| | - Saraladevi Naicker
- Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
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