1
|
Zhang X, Zhang X, Li X, Zhao X, Wei G, Shi J, Yang Y, Fan S, Zhao J, Zhu K, Du J, Guo J, Cao W. Association between serum uric acid levels and diabetic peripheral neuropathy in type 2 diabetes: a systematic review and meta-analysis. Front Endocrinol (Lausanne) 2024; 15:1416311. [PMID: 39072278 PMCID: PMC11272597 DOI: 10.3389/fendo.2024.1416311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Accepted: 06/25/2024] [Indexed: 07/30/2024] Open
Abstract
Background The evidence supporting a connection between elevated serum uric acid (SUA) levels and diabetic peripheral neuropathy (DPN) is controversial. The present study performed a comprehensive evaluation of this correlation by conducting a systematic review and meta-analysis of relevant research. Method PubMed, Web of Science (WOS), Embase, and the Cochrane Library were searched for published literature from the establishment of each database to January 8, 2024. In total, 5 cohort studies and 15 cross-sectional studies were included, and 2 researchers independently screened and extracted relevant data. R 4.3.0 was used to evaluate the included literature. The present meta-analysis evaluated the relationship between SUA levels and the risk of DPN in type 2 diabetes (T2DM) by calculating the ratio of means (RoM) and 95% confidence intervals (CIs) using the method reported by JO Friedrich, and it also analyzed continuous outcome measures using standardized mean differences (SMDs) and 95% CIs to compare SUA levels between DPN and non-DPN groups. Funnel plot and Egger's test were used to assess publication bias. Sensitivity analysis was conducted by sequentially removing each study one-by-one. Results The meta-analysis included 20 studies, with 12,952 T2DM patients with DPN and 16,246 T2DM patients without DPN. There was a significant correlation between SUA levels and the risk of developing DPN [odds ratio (OR) = 1.23; 95% CI: 1.07-1.41; p = 0.001]. Additionally, individuals with DPN had higher levels of SUA compared to those without DPN (SMD = 0.4; 95% CI: -0.11-0.91; p < 0.01). Conclusion T2DM patients with DPN have significantly elevated SUA levels, which correlate with a heightened risk of peripheral neuropathy. Hyperuricemia (HUA) may be a risk indicator for assessing the risk of developing DPN in T2DM patients. Systematic review registration https://www.crd.york.ac.uk/PROSPERO, identifier CRD42024500373.
Collapse
Affiliation(s)
- Xieyu Zhang
- Department of Rheumatology, Wangjing Hospital, China Academy of Chinese Medicine Science, Beijing, China
| | - Xinwen Zhang
- Department of Rheumatology, Wangjing Hospital, China Academy of Chinese Medicine Science, Beijing, China
| | - Xiaoxu Li
- Department of Rheumatology, Wangjing Hospital, China Academy of Chinese Medicine Science, Beijing, China
| | - Xin Zhao
- Department of Rheumatology, Wangjing Hospital, China Academy of Chinese Medicine Science, Beijing, China
| | - Guangcheng Wei
- Department of Rheumatology, Wangjing Hospital, China Academy of Chinese Medicine Science, Beijing, China
| | - Jinjie Shi
- Department of Rheumatology, Wangjing Hospital, China Academy of Chinese Medicine Science, Beijing, China
| | - Yue Yang
- Department of Rheumatology, Wangjing Hospital, China Academy of Chinese Medicine Science, Beijing, China
| | - Su Fan
- Department of Rheumatology, Wangjing Hospital, China Academy of Chinese Medicine Science, Beijing, China
| | - Jiahe Zhao
- Department of Rheumatology, Wangjing Hospital, China Academy of Chinese Medicine Science, Beijing, China
| | - Ke Zhu
- Department of Rheumatology, Wangjing Hospital, China Academy of Chinese Medicine Science, Beijing, China
| | - Jieyang Du
- Department of Rheumatology, Wangjing Hospital, China Academy of Chinese Medicine Science, Beijing, China
| | - Junyi Guo
- Robotics Movement Department, Amazon, Boston, MA, United States
| | - Wei Cao
- Department of Rheumatology, Wangjing Hospital, China Academy of Chinese Medicine Science, Beijing, China
| |
Collapse
|
2
|
Zhang Y, Tang Z, Tong L, Wang Y, Li L. Serum uric acid and risk of diabetic neuropathy: a genetic correlation and mendelian randomization study. Front Endocrinol (Lausanne) 2023; 14:1277984. [PMID: 38034019 PMCID: PMC10684953 DOI: 10.3389/fendo.2023.1277984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 10/25/2023] [Indexed: 12/02/2023] Open
Abstract
Background Previous observational studies have indicated an association between serum uric acid (SUA) and diabetic neuropathy (DN), but confounding factors and reverse causality have left the causality of this relationship uncertain. Methods Univariate Mendelian randomization (MR), multivariate MR and linkage disequilibrium score (LDSC) regression analysis were utilized to assess the causal link between SUA and DN. Summary-level data for SUA were drawn from the CKDGen consortium, comprising 288,648 individuals, while DN data were obtained from the FinnGen consortium, with 2,843 cases and 271,817 controls. Causal effects were estimated primarily using inverse variance weighted (IVW) analysis, supplemented by four validation methods, with additional sensitivity analyses to evaluate pleiotropy, heterogeneity, and result robustness. Results The LDSC analysis revealed a significant genetic correlation between SUA and DN (genetic correlation = 0.293, P = 2.60 × 10-5). The primary methodology IVW indicated that each increase of 1 mg/dL in SUA would increase DN risk by 17% (OR = 1.17, 95% CI 1.02-1.34, P = 0.02), while no causal relationship was found in reverse analysis (OR = 1.00, 95% CI 0.98~1.01, P = 0.97). Multivariate MR further identified that the partial effect of SUA on DN may be mediated by physical activity, low density lipoprotein cholesterol (LDL-C), insulin resistance (IR), and alcohol use. Conclusion The study establishes a causal link between elevated SUA levels and an increased risk of DN, with no evidence for a reverse association. This underscores the need for a comprehensive strategy in DN management, integrating urate-lowering interventions with modulations of the aforementioned mediators.
Collapse
Affiliation(s)
- Youqian Zhang
- Department of Endocrinology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei, China
| | - Zitian Tang
- Law School, Yangtze University, Jingzhou, Hubei, China
| | - Ling Tong
- Department of Endocrinology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei, China
| | - Yang Wang
- Department of Neurology, Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Lin Li
- Department of Endocrinology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei, China
| |
Collapse
|
3
|
Wang W, Ji Q, Ran X, Li C, Kuang H, Yu X, Fang H, Yang J, Liu J, Xue Y, Feng B, Lei M, Zhu D. Prevalence and risk factors of diabetic peripheral neuropathy: A population-based cross-sectional study in China. Diabetes Metab Res Rev 2023; 39:e3702. [PMID: 37490047 DOI: 10.1002/dmrr.3702] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 05/03/2023] [Accepted: 06/12/2023] [Indexed: 07/26/2023]
Abstract
AIMS To assess the prevalence of diabetic peripheral neuropathy (DPN) and its risk factors in the type 2 diabetes mellitus (T2DM) population. METHODS This cross-sectional study enroled patients with T2DM between July and December 2017 from 24 provinces in China. Diabetic peripheral neuropathy and its severity were assessed by the Toronto clinical scoring system, neuropathy symptoms score (NSS) and neuropathy disability score. The prevalence of DPN and its risk factors were analysed. RESULTS A total of 14,908 patients with T2DM were enroled. The prevalence of DPN was 67.6%. Among 10,084 patients with DPN, 4808 (47.7%), 3325 (33.0%), and 1951 (19.3%) had mild, moderate, and severe DPN, respectively. The prevalence of DPN in females was higher than in males (69.0% vs. 66.6%, P = 0.002). The prevalence of DPN increased with age and course of diabetes and decreased with body mass index (BMI) and education level (all P for trend <0.05). The comorbidities and complications in patients with DPN were higher than in those without DPN, including hypertension, myocardial infarction, diabetic retinopathy, and diabetic nephropathy (all P < 0.001). Age, hypertension, duration of diabetes, diabetic retinopathy, diabetic nephropathy, glycated haemoglobin, high-density lipoprotein cholesterol, and lower estimated glomerular filtration rate were positively associated with DPN, while BMI, education level, fasting C-peptide, and uric acid were negatively associated with DPN. CONCLUSIONS Among patients with T2DM in China, the prevalence of DPN is high, especially in the elderly, low-income, and undereducated patients.
Collapse
Affiliation(s)
- Weimin Wang
- Department of Endocrinology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Qiuhe Ji
- Xijing Hospital of PLA Air Force Medical University, Xi'an, China
| | - Xinwu Ran
- Department of Endocrinology, West China Hospital of Sichuan University, Chengdu, China
| | - Chenxi Li
- Department of Endocrinology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Hongyu Kuang
- Department of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xuefeng Yu
- Tongji Hospital Affiliated to Tongji Medical College of Huazhong University of Science & Technology, Wuhan, China
| | - Hui Fang
- Tangshan Gongren Hospital, TangShan, China
| | - Jing Yang
- Department of Endocrinology, The First Hospital of Shanxi Medical University, Taiyuan, China
| | - Jing Liu
- Gansu Provincial Hospital, Lanzhou, China
| | - Yaoming Xue
- Department of Endocrinology and Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Bo Feng
- Department of Endocrinology, Shanghai East Hospital, Tongji University, Shanghai, China
| | - Minxiang Lei
- Department of Endocrinology, Xiangya Hospital of Central South University, Changsha, China
| | - Dalong Zhu
- Department of Endocrinology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| |
Collapse
|
4
|
Li C, Wang W, Ji Q, Ran X, Kuang H, Yu X, Fang H, Yang J, Liu J, Xue Y, Feng B, Lei M, Zhu D. Prevalence of painful diabetic peripheral neuropathy in type 2 diabetes mellitus and diabetic peripheral neuropathy: A nationwide cross-sectional study in mainland China. Diabetes Res Clin Pract 2023; 198:110602. [PMID: 36871876 DOI: 10.1016/j.diabres.2023.110602] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/31/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023]
Abstract
AIM The study aimed to assess the prevalence and risk factors of painful diabetic peripheral neuropathy (PDPN) in patients with type 2 diabetes mellitus (T2DM) and diabetic peripheral neuropathy (DPN) in mainland China. METHODS This nationwide cross-sectional study enrolled T2DM patients with DPN from 25 provinces in China between July 2017 and December 2017. The prevalence, characteristics, and risk factors of PDPN were analyzed. RESULTS Among 25,710 patients with T2DM and DPN, 14,699 (57.2%) had PDPN. The median age was 63 years old. Age over 40 years old, education level, hypertension, myocardial infarction, duration of diabetes of over five years, diabetic retinopathy and nephropathy, moderate total cholesterol, moderate and higher low-density lipoprotein (LDL) increased uric acid (UA) and decreased estimated glomerular filtration rate (eGFR) were independently associated with PDPN (all P < 0.05). Compared with low levels of C-peptide, moderate levels were independently associated with a higher risk of PDPN, while high levels were associated with a lower risk (all P < 0.001). CONCLUSIONS In mainland China, more than half of the patients with DPN have neuropathic pain. Patients with older age, lower education level, longer duration of diabetes, lower LDL, increased UA, decreased eGFR, and comorbidities had an increased risk of PDPN.
Collapse
Affiliation(s)
- Chenxi Li
- Department of Endocrinology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, China; Branch of National Clinical Research Centre for Metabolic Diseases, Nanjing, China
| | - Weimin Wang
- Department of Endocrinology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, China; Branch of National Clinical Research Centre for Metabolic Diseases, Nanjing, China
| | - Qiuhe Ji
- Xijing Hospital of PLA Air Force Medical University, Xi'an, Shanxi Province, China
| | - Xingwu Ran
- Department of Endocrinology, West China Hospital of Sichuan University, Chengdu, Sichuan Province, China
| | - Hongyu Kuang
- Department of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Xuefeng Yu
- Tongji Hospital Affiliated to Tongji Medical College of Huazhong University of Science & Technology, Wuhan, Hubei Province, China
| | - Hui Fang
- Tangshan Gongren Hospital, TangShan, Hebei Province, China
| | - Jing Yang
- Department of Endocrinology, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China
| | - Jing Liu
- Gansu Provincial Hospital, Lanzhou, Gansu Province, China
| | - Yaoming Xue
- Department of Endocrinology and Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
| | - Bo Feng
- Department of Endocrinology, Shanghai East Hospital, Tongji University, Shanghai, China
| | - Minxiang Lei
- Department of Endocrinology, Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Dalong Zhu
- Department of Endocrinology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, China; Branch of National Clinical Research Centre for Metabolic Diseases, Nanjing, China.
| |
Collapse
|
5
|
Sanders WM, Harlow SD, Ylitalo KR, Lange-Maia BS, Leis AM, McConnell DS, Karvonen-Gutierrez CA. The Association of Inflammatory Factors With Peripheral Neuropathy: The Study of Women's Health Across the Nation. J Clin Endocrinol Metab 2023; 108:962-970. [PMID: 36260527 PMCID: PMC10211489 DOI: 10.1210/clinem/dgac612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 09/27/2022] [Indexed: 11/19/2022]
Abstract
PURPOSE Previous work has focused on the role of diabetes in peripheral neuropathy (PN), but PN often occurs before, and independently from, diabetes. This study measures the association of cardiometabolic and inflammatory factor with PN, independent of diabetes. METHODS Study of Women's Health Across the Nation participants (n = 1910), ages 60 to 73 (mean 65.6) were assessed for PN by symptom questionnaire and monofilament testing at the 15th follow-up visit (V15). Anthropometric measures and biomarkers were measured at study baseline approximately 20 years prior, and C-reactive protein (CRP) and fibrinogen were measured longitudinally. Log-binomial regression was used to model the association between metabolic syndrome (MetS), obesity (≥35 body mass index), CRP, and fibrinogen with PN, adjusting for sociodemographic and health behavior measures. RESULTS Baseline MetS [prevalence ratio (PR) 1.79, 95% CI (1.45, 2.20)], obesity [PR 2.08 (1.65, 2.61)], median CRP [PR 1.32 per log(mg/dL), (1.20, 1.45)], and mean fibrinogen (PR 1.28 per 100 mg/dL, (1.09, 1.50)] were associated with PN symptoms at V15. After excluding participants with baseline diabetes or obesity, MetS [PR 1.59 (1.17, 2.14)] and CRP [PR 1.19 per log(mg/dL), (1.06, 1.35)] remained statistically significantly associated with PN. There was a negative interaction between MetS and obesity, and the association between these conditions and PN was mediated by CRP. CONCLUSIONS Cardiometabolic factors and inflammation are significantly associated with PN, independent of diabetes and obesity. CRP mediates the relationship of both obesity and MetS with PN, suggesting an etiological role of inflammation in PN in this sample.
Collapse
Affiliation(s)
- Wade M Sanders
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI
| | - Siobán D Harlow
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI
| | - Kelly R Ylitalo
- Department of Public Health, Robbins College of Health and Human Sciences, Baylor University, Waco, TX
| | - Brittney S Lange-Maia
- Rush Alzheimer's Disease Center and Department of Preventative Medicine, Rush University Medical Center, Chicago, IL
| | - Aleda M Leis
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI
| | - Daniel S McConnell
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI
| | | |
Collapse
|
6
|
Zhuang Y, Huang H, Hu X, Zhang J, Cai Q. Serum uric acid and diabetic peripheral neuropathy: a double-edged sword. Acta Neurol Belg 2022:10.1007/s13760-022-01978-1. [PMID: 35643885 DOI: 10.1007/s13760-022-01978-1] [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: 01/18/2022] [Accepted: 04/30/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND AND OBJECTIVES Research suggests that diabetic peripheral neuropathy (DPN) is related to high serum uric acid (SUA) level, although its correlation with low SUA level has not been reported. Here, diabetic patients with hyperuricemia were excluded, and the correlation between low SUA level and DPN was explored. SUBJECTS AND METHODS This prospective observational clinical study enrolled 525 type 2 diabetes mellitus (T2DM) patients without hyperuricemia, who were divided into the diabetes with symptomatic neuropathy (150 cases), diabetes with asymptomatic neuropathy (125 cases) and diabetes with no neuropathy (250 cases) groups. RESULTS The SUA slightly decreased in subjects with asymptomatic DPN compared with those with no neuropathy and greatly decreased in subjects with symptomatic DPN compared with those without (P < 0.001). The association of the SUA with diabetic neuropathy was independent of the hyperglycemic state and other potential confounders (odds ratio 0.985 [0.981-0.988], P < 0.001). The SUA was closely correlated with the means of motor/sensory nerve amplitude and CV (all P < 0.001). The optimal cut-off point for SUA to distinguish patients with diabetic neuropathy from those without was 324 umol/L, with a sensitivity of 76.0% and a specificity of 79.2% (AUC = 0.806). CONCLUSIONS The low SUA level is closely associated with DPN. Future studies are warranted to clarify the relationship.
Collapse
Affiliation(s)
- Yong Zhuang
- Department of Endocrinology, The Second Affiliated Hospital of Fujian Medical University, No.950 Donghai Street, Fengze District, Quanzhou City, Fujian Province, China
| | - Huibin Huang
- Department of Endocrinology, The Second Affiliated Hospital of Fujian Medical University, No.950 Donghai Street, Fengze District, Quanzhou City, Fujian Province, China
| | - Xin Hu
- Department of Endocrinology, The Second Affiliated Hospital of Fujian Medical University, No.950 Donghai Street, Fengze District, Quanzhou City, Fujian Province, China
| | - Jinying Zhang
- Department of Neurology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, 362000, China
| | - Qingyan Cai
- Department of Endocrinology, The Second Affiliated Hospital of Fujian Medical University, No.950 Donghai Street, Fengze District, Quanzhou City, Fujian Province, China.
| |
Collapse
|
7
|
Role of C-Reactive Protein in Diabetic Inflammation. Mediators Inflamm 2022; 2022:3706508. [PMID: 35620114 PMCID: PMC9129992 DOI: 10.1155/2022/3706508] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/20/2022] [Accepted: 04/29/2022] [Indexed: 01/08/2023] Open
Abstract
Even though type 2 diabetes mellitus (T2DM) represents a worldwide chronic health issue that affects about 462 million people, specific underlying determinants of insulin resistance (IR) and impaired insulin secretion are still unknown. There is growing evidence that chronic subclinical inflammation is a triggering factor in the origin of T2DM. Increased C-reactive protein (CRP) levels have been linked to excess body weight since adipocytes produce tumor necrosis factor α (TNF-α) and interleukin 6 (IL-6), which are pivotal factors for CRP stimulation. Furthermore, it is known that hepatocytes produce relatively low rates of CRP in physiological conditions compared to T2DM patients, in which elevated levels of inflammatory markers are reported, including CRP. CRP also participates in endothelial dysfunction, the production of vasodilators, and vascular remodeling, and increased CRP level is closely associated with vascular system pathology and metabolic syndrome. In addition, insulin-based therapies may alter CRP levels in T2DM. Therefore, determining and clarifying the underlying CRP mechanism of T2DM is imperative for novel preventive and diagnostic procedures. Overall, CRP is one of the possible targets for T2DM progression and understanding the connection between insulin and inflammation may be helpful in clinical treatment and prevention approaches.
Collapse
|
8
|
Fayazi HS, Yaseri M, Mortazavi SS, Sharifhassan Z, Assadinia AS. The relation between serum uric acid levels and diabetic peripheral neuropathy in type 2 diabetes in Guilan, north of Iran. BMC Endocr Disord 2022; 22:39. [PMID: 35151299 PMCID: PMC8840027 DOI: 10.1186/s12902-022-00952-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 02/03/2022] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Diabetic peripheral neuropathy (DPN) is one of the most common chronic microvascular complications in type 2 diabetes mellitus (T2DM). Hence, the present study aimed to investigate the association between Serum Uric Acid (SUA) levels and diabetic peripheral polyneuropathy in patients with type 2 diabetes. METHODS We performed this case-control study during 2019-2020 on individuals with diabetes referring to the Razi clinic of Rasht, in the north of Iran. Polyneuropathy in patients was assessed based on the Neuropathy Disability Score (NDS), Diabetic neuropathy symptom score (DNS) scoring system, and electromyography (EMG)/nerve conduction velocity (NCV). The inclusion criterion for the control group was normal EMG/NCV. Then, the patients were assessed for SUA level and also laboratory results. RESULTS In total, 230 patients with type 2 diabetes were examined. The mean SUA level in the DPN group was significantly higher compared to the control group (6.72 ± 1.75 vs. 4.57 ± 1.49 mg/dL). With increasing the SUA, the odds of developing neuropathy increased by 2.2 times (OR = 2.2). The risk factors for diabetic polyneuropathy included gender (male) (OR = 0.347), SBP (OR = 1.1), retinopathy (OR = 3.29), and microalbuminuria (OR = 4.44). The chance of developing polyneuropathy in patients with retinopathy was 3.3 times higher than in the control group, it was 4.4 times in microalbuminuria patients. CONCLUSION Elevated SUA level increased the chance of developing peripheral polyneuropathy in a person with type 2 diabetes. SUA levels higher than 5.25 mg / dL expose a person with type 2 diabetes to developing peripheral polyneuropathy.
Collapse
Affiliation(s)
- Haniye Sadat Fayazi
- Department of Internal Medicine, School of Medicine, Razi Hospital, Guilan University of Medical Sciences, Rasht, Iran
| | - Maryam Yaseri
- Department of Internal Medicine, School of Medicine, Razi Hospital, Guilan University of Medical Sciences, Rasht, Iran.
| | - Seyyede Sahere Mortazavi
- Department of Internal Medicine, School of Medicine, Razi Hospital, Guilan University of Medical Sciences, Rasht, Iran
| | - Zahra Sharifhassan
- Razi Clinical Research Development Unit, Guilan University of Medical Sciences, Rasht, Iran
| | - Ali-Sina Assadinia
- Razi Clinical Research Development Unit, Guilan University of Medical Sciences, Rasht, Iran
| |
Collapse
|
9
|
Baka P, Escolano-Lozano F, Birklein F. Systemic inflammatory biomarkers in painful diabetic neuropathy. J Diabetes Complications 2021; 35:108017. [PMID: 34389235 DOI: 10.1016/j.jdiacomp.2021.108017] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 04/21/2021] [Accepted: 08/03/2021] [Indexed: 12/29/2022]
Abstract
OBJECTIVES We conducted a systematic review of the literature with meta-analysis to determine whether painful diabetic neuropathy is associated with a specific inflammatory profile. METHODS The study is based on the PRISMA statement for systematic reviews. We performed a search of published studies up until January 2021 in MEDLINE and Web of Science based on heading and free text terms. The search strategy included the phrases: diabetic peripheral neuropathy, painful peripheral neuropathy individually and in combination with the terms: inflammation and inflammatory biomarkers. We screened titles and abstracts and performed data extraction. We also manually searched the article titles in the reference lists of key studies and reviews published in the last 20 years. DATA EXTRACTION Data extracted from the studies included study design, inclusion and exclusion criteria, sample type including serum and plasma, source of the sample including patients with peripheral diabetic neuropathy or patients with painful and painless neuropathy of any etiology. Blood concentrations of all measured cytokines were recorded. Whenever possible we calculated the effect size and confidence interval. Non-human studies were excluded from the meta-analysis. RESULTS Thirteen studies were included in this meta-analysis. The study design was cross-sectional, case control or cohort type studies. Specific inflammatory mediators are significantly higher in painful than in painless diabetic neuropathy as well as in painful neuropathies of any etiology. Markers of inflammation are also increased in those patients with diabetes mellitus, who suffer from peripheral neuropathy in comparison to patients with diabetes mellitus but no signs of peripheral neuropathy. A proinflammatory state may be the common denominator of pain and peripheral neuropathy in patients with diabetes mellitus but the inflammatory profiles seem to differ.
Collapse
Affiliation(s)
- Panoraia Baka
- University Hospital Mainz, Neurology Department, Mainz, Germany.
| | | | - Frank Birklein
- University Hospital Mainz, Neurology Department, Mainz, Germany
| |
Collapse
|
10
|
Katsiki N, Dimitriadis GD, Mikhailidis DP. Serum Uric Acid and Diabetes: From Pathophysiology to Cardiovascular Disease. Curr Pharm Des 2021; 27:1941-1951. [PMID: 33397230 DOI: 10.2174/1381612827666210104124320] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 11/13/2020] [Indexed: 11/22/2022]
Abstract
Hyperuricemia, has been traditionally related to nephrolithiasis and gout. However, it has also been associated with the development of type 2 diabetes mellitus (T2DM) and cardiometabolic and cardiovascular diseases. Pathophysiologically, elevated serum uric acid (SUA) levels may be associated with abnormal lipid and glucose metabolism. In this narrative review, we consider the associations between hyperuricemia, hyperglycemia, atherosclerosis and thrombosis. Furthermore, we comment on the available evidence linking elevated SUA levels with the incidence and outcomes of coronary heart disease, stroke, peripheral artery disease and non-alcoholic fatty liver in subjects with T2DM. The effects of antidiabetic drugs (e.g. metformin, pioglitazone, sulfonylureas, dipeptidyl peptidase 4 inhibitors, glucagon-like peptide-1 receptor agonists, sodium-glucose cotransporter 2 inhibitors and insulin) on SUA concentrations are also reviewed.
Collapse
Affiliation(s)
- Niki Katsiki
- First Department of Internal Medicine, Diabetes Center, Division of Endocrinology and Metabolism, AHEPA University Hospital, Thessaloniki, Greece
| | | | - Dimitri P Mikhailidis
- Department of Clinical Biochemistry, Royal Free Hospital campus, University College London Medical School, University College London (UCL), London NW3 2QG, United Kingdom
| |
Collapse
|
11
|
Wu B, Niu Z, Hu F. Study on Risk Factors of Peripheral Neuropathy in Type 2 Diabetes Mellitus and Establishment of Prediction Model. Diabetes Metab J 2021; 45:526-538. [PMID: 34352988 PMCID: PMC8369209 DOI: 10.4093/dmj.2020.0100] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 06/12/2020] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Diabetic peripheral neuropathy (DPN) is one of the most serious complications of type 2 diabetes mellitus (T2DM). DPN increases the risk of ulcers, foot infections, and noninvasive amputations, ultimately leading to long-term disability. METHODS Seven hundred patients with T2DM were investigated from 2013 to 2017 in the Sanlin community by obtaining basic data from the electronic medical record system (EMRS). From September 2018 to July 2019, 681 patients (19 missing) were investigated using a questionnaire, physical examination, biochemical index test, and follow-up Toronto clinical scoring system (TCSS) test. Patients with a TCSS score ≥6 points were diagnosed with DPN. After removing missing values, 612 patients were divided into groups in a 3:1 ratio for external validation. Using different Lasso analyses (misclassification error, mean squared error, -2log-likelihood, and area under curve) and a logistic regression analysis of the training set, models A, B, C, and D were established. The receiver operating characteristic (ROC) curve, calibration plot, dynamic component analysis (DCA) measurements, net classification improvement (NRI) and integrated discrimination improvement (IDI) were used to validate discrimination and clinical practicality of the model. RESULTS Through data analysis, model A (containing four factors), model B (containing five factors), model C (containing seven factors), and model D (containing seven factors) were built. After calibration, ROC curve, DCA, NRI and IDI, models C and D exhibited better accuracy and greater predictive power. CONCLUSION Four prediction models were established to assist with the early screening of DPN in patients with T2DM. The influencing factors in model C and D are more important factors for patients with T2DM diagnosed with DPN.
Collapse
Affiliation(s)
- Birong Wu
- School of Public Health, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zheyun Niu
- School of Public Health, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Fan Hu
- School of Public Health, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Corresponding author: Fan Hu https://orcid.org/0000-0002-7929-6953 School of Public Health, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China E-mail:
| |
Collapse
|
12
|
Elevated acute phase proteins reflect peripheral inflammation and disease severity in patients with amyotrophic lateral sclerosis. Sci Rep 2020; 10:15295. [PMID: 32943739 PMCID: PMC7499429 DOI: 10.1038/s41598-020-72247-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 08/25/2020] [Indexed: 12/12/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a multifactorial, multisystem pro-inflammatory neuromuscular disorder compromising muscle function resulting in death. Neuroinflammation is known to accelerate disease progression and accentuate disease severity, but peripheral inflammatory processes are not well documented. Acute phase proteins (APPs), plasma proteins synthesized in the liver, are increased in response to inflammation. The objective of this study was to provide evidence for peripheral inflammation by examining levels of APPs, and their contribution to disease burden and progression rates. Levels of APPs, including soluble CD14 (sCD14), lipopolysaccharide binding protein (LBP), and C-reactive protein (CRP), were elevated in sera, and correlated positively with increased disease burden and faster progression. sCD14 was also elevated in patients' CSF and urine. After a 3 year follow-up, 72% of the patients with sCD14 levels above the receiver operating characteristics cutoff were deceased whereas only 28% below the cutoff were deceased. Furthermore, disease onset sites were associated with disease progression rates and APP levels. These APPs were not elevated in sera of patients with Alzheimer's Disease, frontotemporal dementia, or Parkinson's Disease. These collective APPs accurately reflect disease burden, progression rates, and survival times, reinforcing the concept of ALS as a disorder with extensive systemic pro-inflammatory responses.
Collapse
|
13
|
Singh R, Rao HK, Singh TG. Neuropathic pain in diabetes mellitus: Challenges and future trends. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.obmed.2020.100215] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
|
14
|
Association between serum uric acid and large-nerve fiber dysfunction in type 2 diabetes: a cross-sectional study. Chin Med J (Engl) 2019; 132:1015-1022. [PMID: 30925549 PMCID: PMC6595885 DOI: 10.1097/cm9.0000000000000223] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Background Large-nerve fiber dysfunction, as assessed by vibration perception threshold (VPT) predicts risks of ulceration, amputation, and mortality in diabetes. Serum uric acid (UA) is closely associated with various metabolic disorders, especially diabetes. Thus, we sought to investigate the clinical relevance of UA to large-nerve fiber dysfunction, among patients with type 2 diabetes (T2D). Methods Medical records of consecutive patients with T2D who were admitted to Beijing Friendship Hospital Pinggu Campus between May 2014 and December 2016 were collected. Data for the 824 eligible patients included in the final analysis were extracted using a structured form. A VPT value ≥15 in either foot was defined as abnormal. We compared the clinical characteristics between patients with abnormal VPT and those with normal VPT (VPT value <15 in both feet) in the overall population and in gender subgroups. Logistic regression analysis was performed to explore the association of abnormal VPT with UA level. One-way analysis of variance was used to compare VPT values across four UA quartiles. Results UA levels were significantly lower in T2D patients with abnormal VPT than in those with normal VPT (294.5 ± 84.0 vs. 314.9 ± 92.8 μmol/L, P < 0.01), especially among male patients (311.7 ± 85.2 vs. 336.9 ± 89.6 μmol/L, P < 0.01). From the logistic regression analysis, hyperuricemia (males >420 μmol/L; females >360 μmol/L) was associated with a reduced risk of abnormal VPT (odds ratio [OR], 0.60; 95% confidence interval [CI], 0.39–0.91; P < 0.05). This association was robust in male patients (OR, 0.43; 95% CI, 0.24–0.76; P < 0.01) but not in female patients (OR, 0.92; 95% CI, 0.47–1.82; P = 0.816), even after adjustment for confounding factors. For the younger male subgroup (age <65 years), VPT values decreased as the UA level increased (P for trend = 0.002), but this trend was not significant in older male subgroup (age ≥65 years; P for trend = 0.400). Conclusions Low serum UA levels showed a significant association with an increased risk of large-nerve fiber dysfunction in male patients with T2D, but not in female patients with T2D. In addition, in only the younger subgroup of male patients (<65 years), lower levels of UA also correlated with higher VPT values.
Collapse
|
15
|
Cao BL, Yao Y, Xu YX, Fang J, Song WJ, Hu B, Guo QY, Lu B, Li J, Gu P, Shao JQ. The Relationship Between β-cell Function Indices and Sudomotor Function in Chinese Patients with Type 2 Diabetes. Exp Clin Endocrinol Diabetes 2019; 129:553-559. [PMID: 31269513 DOI: 10.1055/a-0950-9828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
PURPOSE SUDOSCAN, a new non-invasive, quick, sensitive and quantitative technique, has been developed to detect diabetic peripheral neuropathy, and the latter is believed to be correlated with impaired β-cell function. The purpose of the present study was to investigate the associations between β-cell function indices and sudomotor function in Chinese type 2 diabetes. METHODS A total of 266 Chinese patients with type 2 diabetes were enrolled. Sudomotor function was assessed using electrochemical skin conductance of hands and feet. Pancreatic β-cell function was determined by homeostasis model assessment of β-cell function index, early-phase β-cell function indices and total β-cell function indices. Pearson correlation analysis and multiple linear stepwise regression analysis were carried out to explore the associations between β-cell function indices and sudomotor function. RESULTS Patients with lower early-phase β-cell function had lower electrochemical skin conductance levels of hands and feet and higher asymmetry ratio of hands and feet. Both Pearson correlation analysis and multiple linear stepwise regression analysis showed significantly positive relationships between early-phase β-cell function and electrochemical skin conductance levels of hands and feet, after controlling for potential confounders (P<0.05). CONCLUSIONS Impaired early-phase β-cell function was positively associated with sudomotor dysfunction in Chinese patients with type 2 diabetes. We speculated that impaired early-phase β-cell function may be associated with the incidence of sudomotor dysfunction in patients with T2DM.
Collapse
Affiliation(s)
- Bai-Lu Cao
- Department of Endocrinology, the affiliated Jinling Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yue Yao
- Department of Endocrinology, Jinling Hospital, Nanjing University, Nanjing, Jiangsu, China
| | - Yi-Xin Xu
- Department of Endocrinology, the affiliated Jinling Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jiang Fang
- Department of Neurosurgery, Jinling Hospital, Southeast University, Nanjing, Jiangsu, China
| | - Wen-Jing Song
- Department of Endocrinology, Jinling Hospital, Southern Medical University, Nanjing, Jiangsu, China
| | - Bin Hu
- Department of Endocrinology, Jinling Hospital, Nanjing University, Nanjing, Jiangsu, China
| | - Qing-Yu Guo
- Department of Endocrinology, Jinling Hospital, Nanjing University, Nanjing, Jiangsu, China
| | - Bin Lu
- Department of Endocrinology, the affiliated Jinling Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jie Li
- Department of Endocrinology, the affiliated Jinling Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Ping Gu
- Department of Endocrinology, the affiliated Jinling Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jia-Qing Shao
- Department of Endocrinology, the affiliated Jinling Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| |
Collapse
|
16
|
Liu W, Zhang H, Han X, Zhang P, Mao Z. Uric acid level changes after bariatric surgery in obese subjects with type 2 diabetes mellitus. ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:332. [PMID: 31475202 DOI: 10.21037/atm.2019.06.66] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Background The purpose of the study was to investigate the incidence of hyperuricemia (HU) in obese subjects with type 2 diabetes mellitus (T2DM) before and after Roux-en-Y gastric bypass (RYGB), to describe the impact of this therapy in reducing uric acid levels, and its possible mechanism. This study was performed by cooperation with the First affiliated hospital of Soochow University and the Sixth People's Hospital Affiliated to Shanghai Jiao Tong University, department of general surgery. Methods A retrospective study was performed. From February 2015 to December 2017, we evaluated 147 obese patients with T2DM. Blood samples and other clinical data were drawn before and postoperative (1, 3, 6, 12 months after RYGB). All obese patients with T2DM underwent laparoscopic Roux-en-Y gastric bypass surgery (LRYGB). Different gender with HU were compared before and after surgery. Results A total of 147 patients received LRYGB (75 were female, 72 were male), and 48 patients with HU (22 were female, 26 were male). Four women and 2 men were lost to follow-up, they were excepted from this study. No patients with HU lost to follow-up. There's an intuitive downward trend about uric acid levels both in men and women, with men from 497.9 µmol/L before surgery to 371.5 µmol/L 1 year after surgery, P=0.000; women from 432.3 to 354.1 µmol/L, P=0.002. The proportion of HU changed with men from 37.1% (26/70) before surgery to 12.9% (9/70) one year after surgery, women from 31.0% (22/71) to 14.1% (10/71). The results of binary logistic regression analysis confirmed that triglycerides were clinical predictors for HU remission (P=0.004). No major late surgical complications were reported. Conclusions Our data showed that, bariatric surgery was effective to decrease the levels of serum uric acid (SUA) in obese patients with T2DM. Compared with traditional drug treatment, this shows a possible treatment of HU by RYGB. The remission of HU was associated with the decreased triglyceride levels in obese patients with T2DM, independent of BMI. The potential role of triglycerides in the remission of HU merits further study.
Collapse
Affiliation(s)
- Weijie Liu
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Hongwei Zhang
- Department of Metabolic & Bariatric Surgery, the Sixth People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai 200233, China
| | - Xiaodong Han
- Department of Metabolic & Bariatric Surgery, the Sixth People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai 200233, China
| | - Pin Zhang
- Department of Metabolic & Bariatric Surgery, the Sixth People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai 200233, China
| | - Zhongqi Mao
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| |
Collapse
|
17
|
Abstract
BACKGROUND High levels of uric acid (UA) are associated with various peripheral neuropathies. Furthermore, uric acid levels have been found to correlate with both the clinical and electrophysiological severity of diabetic sensorimotor polyneuropathy, mainly with sensory functions. OBJECTIVES To determine whether higher UA levels are associated negatively with nerve function in healthy subjects. METHODS A total of 126 healthy subjects recruited prospectively for another study were included. We extracted demographic data, body mass index (BMI), blood pressure, Toronto Clinical Neuropathy Score (TCNS), electrophysiological findings, vibration perception thresholds (VPT), and laboratory test results including UA, hemoglobin A1c (HbA1c), estimated glomerular filtration rate (eGFR), and lipid levels. RESULTS The mean age of the cohort was 56 ± 17 years with 56% females. Males had higher UA values compared with females. Univariate beta regression coefficient analysis between UA levels and demographic, clinical, electrophysiological, and laboratory findings showed significant positive correlations with male gender, components of the metabolic syndrome, and with VPT, while an inverse correlation was found with electrophysiological sensory parameters. A multivariate regression model showed positive correlations only with BMI, finger VPT, and triglycerides. CONCLUSION Higher UA levels correlate with lower sensory nerve function in healthy subjects, expanding the evidence of possible negative influence of UA on peripheral nerves, although a causative role has not yet established.
Collapse
|
18
|
Dattilo G, Borgia F, Guarneri C, Casale M, Bitto R, Morabito C, Signorelli S, Katsiki N, Cannavò SP. Cardiovascular Risk in Psoriasis: Current State of the Art. Curr Vasc Pharmacol 2018; 17:85-91. [DOI: 10.2174/1570161115666171116163816] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 10/23/2017] [Accepted: 10/23/2017] [Indexed: 02/07/2023]
Abstract
Psoriasis (Pso) is a chronic inflammatory immune-mediated skin disease associated with
several comorbidities. Despite the growing number of studies providing evidence for the link between
Pso and Cardiovascular (CV) disorders, there are still many unsolved questions, dealing with the role of
the skin disease as an independent risk factor for CV events, the influence of Pso severity and duration
on CV damage, the presence of Psoriatic Arthritis (PsA) as a predictor of increased CV mortality and
morbidity and the detection of reliable clinical, laboratory and/or instrumental parameters to stratify CV
risk in psoriatic patients. Moreover, it remains to clarify if the early treatment of the dermatosis may
lower CV risk. In this paper we will try to provide answers to these queries in the light of the updated
data of the literature.
Collapse
Affiliation(s)
- Giuseppe Dattilo
- Department of Clinical and Experimental Medicine, Section of Cardiology, University of Messina, Messina, Italy
| | - Francesco Borgia
- Department of Clinical and Experimental Medicine, Section of Dermatology, University of Messina, Messina, Italy
| | - Claudio Guarneri
- Department of Clinical and Experimental Medicine, Section of Dermatology, University of Messina, Messina, Italy
| | - Matteo Casale
- Department of Clinical and Experimental Medicine, Section of Cardiology, University of Messina, Messina, Italy
| | - Roberto Bitto
- Department of Clinical and Experimental Medicine, Section of Cardiology, University of Messina, Messina, Italy
| | - Claudia Morabito
- Department of Clinical and Experimental Medicine, Section of Cardiology, University of Messina, Messina, Italy
| | - Salvatore Signorelli
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Niki Katsiki
- Second Department of Propaedeutic Internal Medicine, Medical School, Aristotle University of Thessaloniki, Hippokration Hospital, Thessaloniki, Greece
| | - Serafinello P. Cannavò
- Department of Clinical and Experimental Medicine, Section of Dermatology, University of Messina, Messina, Italy
| |
Collapse
|
19
|
Słomiński B, Skrzypkowska M, Ryba-Stanisławowska M, Brandt A. Sex-related association of serum uric acid with inflammation, kidney function and blood pressure in type 1 diabetic patients. Pediatr Diabetes 2018. [PMID: 29527782 DOI: 10.1111/pedi.12670] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND/OBJECTIVE Recent studies suggest that uric acid (UA) is a mediator of diabetic nephropathy. We hypothesized that serum UA would associate with the prevalence of diabetic nephropathy in youth with type 1 diabetes (T1D), and that this relationship would differ by sex. METHODS We examined 120 young boys and the same number of girls with T1D. C-reactive protein (CRP), interleukin-6 (IL-6), interleukin-10 (IL-10), tumor necrosis factor α (TNF-α), UA, cystatin C serum concentrations, albumin excretion rate and blood pressure were also analyzed. RESULTS T1D boys had higher serum UA and creatinine concentration, as well as albumin excretion rate and estimated glomerular filtration rate than T1D girls. Moreover, newly diagnosed nephropathy was more common in male subjects in comparison to female patients. Only in T1D boys serum UA was positively correlated with concentrations of subclinical inflammatory markers (CRP, IL-6, TNF-α), the indicators of renal function (albumin excretion rate, serum cystatin C level), blood pressure and negatively correlated with anti-inflammatory IL-10. In addition, only in T1D girls serum UA concentration was negatively correlated with hemoglobin A1c. CONCLUSIONS Serum UA is associated with nephropathy prevalence, albeit only in boys with T1D and may be an important risk factor for predicting diabetes-related cardiorenal complications in these patients.
Collapse
Affiliation(s)
- Bartosz Słomiński
- Department of Immunology, Medical University of Gdańsk, Gdańsk, Poland
| | | | | | - Agnieszka Brandt
- Chair & Clinics of Paediatrics, Diabetology and Endocrinology, Medical University of Gdańsk, Gdańsk, Poland
| |
Collapse
|
20
|
Aryan Z, Ghajar A, Faghihi-Kashani S, Afarideh M, Nakhjavani M, Esteghamati A. Baseline High-Sensitivity C-Reactive Protein Predicts Macrovascular and Microvascular Complications of Type 2 Diabetes: A Population-Based Study. ANNALS OF NUTRITION AND METABOLISM 2018; 72:287-295. [PMID: 29694948 DOI: 10.1159/000488537] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 03/16/2018] [Indexed: 01/28/2023]
Abstract
BACKGROUND/AIMS This prospective study is aimed at examining the predictive value of high-sensitivity C-reactive protein (hs-CRP) for coronary heart disease (CHD) events and microvascular complications of type 2 diabetes mellitus (T2DM). METHODS A population-based study (NCT02958579) was conducted on 1,301 participants with T2DM (mean follow-up of 7.5 years). Risk assessment for vascular events was done at baseline, and serum hs-CRP was measured. End points of this study include CHD events, diabetic retinopathy, neuropathy, and diabetic kidney disease. Individuals with unavailable data or hs-CRP >20 mg/L were excluded. The discrimination and reclassification improvement of study end points were tested after addition of hs-CRP to traditional risk factors. RESULTS Median serum hs-CRP was 2.00 ranging from 0.1 to 17 mg/L. Hazards ratio of each SD increment in baseline hs-CRP was 1.028 (1.024-1.032) for CHD, 1.025 (1.021-1.029) for diabetic neuropathy, 1.037 (1.030-1.043) for diabetic retinopathy, and 1.035 (1.027-1.043) for diabetic kidney disease. The addition of hs-CRP to traditional risk factors of vascular complications of T2DM improved discrimination of all end points (p < 0.001). Net reclassification improvement ranged from 8% for diabetic neuropathy to 31% for diabetic kidney disease (p < 0.05). CONCLUSION Baseline hs-CRP predicts both of CHD events and microvascular complications of patients with T2D.
Collapse
Affiliation(s)
- Zahra Aryan
- Endocrinology and Metabolism Research Center (EMRC), Vali-Asr Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Student's Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Ghajar
- Endocrinology and Metabolism Research Center (EMRC), Vali-Asr Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Sara Faghihi-Kashani
- Endocrinology and Metabolism Research Center (EMRC), Vali-Asr Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohsen Afarideh
- Endocrinology and Metabolism Research Center (EMRC), Vali-Asr Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Manouchehr Nakhjavani
- Endocrinology and Metabolism Research Center (EMRC), Vali-Asr Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Esteghamati
- Endocrinology and Metabolism Research Center (EMRC), Vali-Asr Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| |
Collapse
|
21
|
Abstract
To study the frequency of laboratory test abnormalities, and electrophysiological correlations, we performed a retrospective chart review of 226 patients with polyneuropathy. The frequency of laboratory test abnormalities, and correlations with electrophysiological findings were explored. Abnormal glucose handling tests were the most common findings (54%), followed by paraproteinemia (21%) and anemia (21%). The frequencies of paraproteinemia and anemia in our cohort were significantly higher than previously reported. In addition, several laboratory abnormalities correlated with electrophysiological findings of median neuropathy at the wrist, expanding current knowledge about the deleterious effects of various metabolic and hematologic derangements at this site.
Collapse
|
22
|
Lunetta C, Lizio A, Maestri E, Sansone VA, Mora G, Miller RG, Appel SH, Chiò A. Serum C-Reactive Protein as a Prognostic Biomarker in Amyotrophic Lateral Sclerosis. JAMA Neurol 2017; 74:660-667. [PMID: 28384752 DOI: 10.1001/jamaneurol.2016.6179] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Importance Various factors have been proposed as possible candidates associated with the prognosis of amyotrophic lateral sclerosis (ALS); however, there is still no consensus on which biomarkers are reliable prognostic factors. C-reactive protein (CRP) is a biomarker of the inflammatory response that shows significant prognostic value for several diseases. Objective To examine the prognostic significance of CRP in ALS. Design, Setting, and Participants Patients' serum CRP levels were evaluated from January 1, 2009, to June 30, 2015, in a large cohort of patients with ALS observed by an Italian tertiary multidisciplinary center. Results were replicated in an independent cohort obtained from a population-based registry of patients with ALS. A post hoc analysis was performed of the phase 2 trial of NP001 to determine whether stratification by levels of CRP improves differentiation of responders and nonresponders to the drug. Main Outcomes and Measures Serum CRP levels from the first examination were recorded to assess their effect on disease progression and survival. Results A total of 394 patients with ALS (168 women and 226 men; mean [SD] age at diagnosis, 60.18 [13.60] years) were observed in a tertiary multidisciplinary center, and the analysis was replicated in an independent cohort of 116 patients with ALS (50 women and 66 men; mean [SD] age at diagnosis, 67.00 [10.74] years) identified through a regional population-based registry. Serum CRP levels in the 394 patients with ALS correlated with severity of functional impairment, as measured by total score on the ALS Functional Rating Scale-Revised, at first evaluation (r = -0.14818; P = .004), and with patient survival (hazard ratio, 1.129; 95% CI, 1.033-1.234; P = .007). Similar results were found in the independent cohort (hazard ratio, 1.044; 95% CI, 1.016-1.056; P ≤ .001). Moreover, a post hoc analysis of the phase 2 trial of NP001 using the same CRP threshold showed that patients with elevated baseline CRP levels receiving the higher dose of NP001 had significantly less functional impairment after the treatment period compared with patients with normal baseline CRP, regardless of whether patients with normal CRP levels received NP001 or placebo (3.00 [3.62] vs -7.31 [6.23]; P = .04). Conclusions and Relevance These findings suggest that patients with ALS and elevated serum CRP levels progress more rapidly than do those with lower CRP levels and that this elevation may reflect a neuroinflammatory state potentially responsive to the immune regulators such as NP001.
Collapse
Affiliation(s)
| | - Andrea Lizio
- NeuroMuscular Omnicentre, Fondazione Serena Onlus, Milano, Italy
| | - Eleonora Maestri
- NeuroMuscular Omnicentre, Fondazione Serena Onlus, Milano, Italy
| | - Valeria Ada Sansone
- NeuroMuscular Omnicentre, Fondazione Serena Onlus, Milano, Italy2Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Gabriele Mora
- Department of Neurological Rehabilitation, Fondazione Salvatore Maugeri, Istituto di Ricovero e Cura a Carattere Scientifico, Istituto Scientifico di Milano, Milano, Italy
| | - Robert G Miller
- Forbes Norris MDA/ALS Research and Treatment Center, California Pacific Medical Center, San Francisco, California
| | - Stanley H Appel
- Peggy and Gary Edwards ALS Laboratory, Department of Neurology, Houston Methodist Neurological Institute, Houston, Texas6Houston Methodist Research Institute, Houston, Texas7Department of Neurology, Methodist Neurological Institute, Houston Methodist Hospital, Houston, Texas
| | - Adriano Chiò
- Amyotrophic Lateral Sclerosis Center, "Rita Levi Montalcini" Department of Neuroscience, Neurology II, University of Torino, Turin, Italy9Azienda Ospedaliero-Universitaria Città della Salute e della Scienza, Torino, Italy
| |
Collapse
|
23
|
Abraham A, Breiner A, Barnett C, Katzberg HD, Lovblom LE, Perkins BA, Bril V. Uric acid levels correlate with the severity of diabetic sensorimotor polyneuropathy. J Neurol Sci 2017; 379:94-98. [PMID: 28716288 DOI: 10.1016/j.jns.2017.05.053] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 05/23/2017] [Accepted: 05/24/2017] [Indexed: 11/18/2022]
Abstract
INTRODUCTION Diabetic sensorimotor polyneuropathy (DSP) is the most frequent complication in patients with diabetes mellitus (DM), and is associated with age, DM duration, and HbA1c levels. In addition, higher uric acid (UA) levels are reported in patients with DSP. OBJECTIVES To explore whether UA levels correlate with DSP severity. METHODS We extracted the demographic data, clinical history, neurological and electrophysiological examinations and laboratory findings of 115 patients diagnosed with DSP from January 2012 to December 2015. RESULTS The mean age of the total cohort was 62±13years, with 61% men. A positive correlation was demonstrated between uric acid levels and increasing sensory symptoms, and more abnormal electrophysiological findings and vibration perception thresholds. In addition, correlations with gait abnormality, the presence of paraproteinemia and creatine kinase levels were found. DISCUSSION Our study results show that uric acid levels correlate with clinical and electrophysiological severity of DSP, providing additional evidence for the relationship between the two, and a potential therapeutic target for DSP.
Collapse
Affiliation(s)
- Alon Abraham
- Ellen and Martin Prosserman Centre for Neuromuscular Diseases, Division of Neurology, Department of Medicine, University Health Network, University of Toronto, Toronto, Canada
| | - Ari Breiner
- Ellen and Martin Prosserman Centre for Neuromuscular Diseases, Division of Neurology, Department of Medicine, University Health Network, University of Toronto, Toronto, Canada.
| | - Carolina Barnett
- Ellen and Martin Prosserman Centre for Neuromuscular Diseases, Division of Neurology, Department of Medicine, University Health Network, University of Toronto, Toronto, Canada.
| | - Hans D Katzberg
- Ellen and Martin Prosserman Centre for Neuromuscular Diseases, Division of Neurology, Department of Medicine, University Health Network, University of Toronto, Toronto, Canada.
| | - Leif E Lovblom
- Division of Endocrinology and Metabolism, Department of Medicine, Mount Sinai, Hospital and Lunenfeld Tanenbaum Research Institute, University of Toronto, Toronto, Canada.
| | - Bruce A Perkins
- Division of Endocrinology and Metabolism, Department of Medicine, Mount Sinai, Hospital and Lunenfeld Tanenbaum Research Institute, University of Toronto, Toronto, Canada.
| | - Vera Bril
- Ellen and Martin Prosserman Centre for Neuromuscular Diseases, Division of Neurology, Department of Medicine, University Health Network, University of Toronto, Toronto, Canada.
| |
Collapse
|
24
|
Sheshah E, Madanat A, Al-Greesheh F, AL-Qaisi D, AL-Harbi M, Aman R, AL-Ghamdi AA, AL-Madani K. Electrochemical skin conductance to detect sudomotor dysfunction, peripheral neuropathy and the risk of foot ulceration among Saudi patients with diabetes mellitus. J Diabetes Metab Disord 2016; 15:29. [PMID: 27500133 PMCID: PMC4974704 DOI: 10.1186/s40200-016-0252-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2016] [Accepted: 08/02/2016] [Indexed: 12/11/2022]
Abstract
BACKGROUND Sudomotor dysfunction is manifested clinically as abnormal sweating leading to dryness of feet skin and increased risk of foot ulceration. The aim of this study was to test the performance of foot electrochemical skin conductance (ESC) to detect diabetic peripheral neuropathy and the risk of foot ulceration against traditional methods in Saudi patients with diabetes mellitus. METHODS This cross-sectional study was conducted on 296 Saudi patients with diabetes mellitus. Painful neuropathic symptoms were evaluated using the neuropathy symptom score (NSS). The risk of foot ulceration and diabetic peripheral neuropathy were determined using the neuropathy disability score (NDS). Vibration perception threshold (VPT) was assessed using neurothesiometer. Neurophysiological assessment of the right and left sural, peroneal and tibial nerves was performed in 222 participants. Diabetic peripheral neuropathy was defined according to the definition of the American Academy of Neurology. ESC was measured with Sudoscan. RESULTS Feet-ESC decreased as the scores of sensory and motor function tests increased. Feet-ESC decreased as the NSS, NDS and severity of diabetic peripheral neuropathy increased. Sensitivity of feet-ESC < 50μS to detect diabetic peripheral neuropathy assessed by VPT ≥ 25 V, NDS ≥ 3, NDS ≥ 6 was 90.1, 61 and 63.8 % respectively and specificity 77, 85 and 81.9 % respectively. Sensitivity of feet-ESC < 70μS to detect diabetic peripheral neuropathy assessed by VPT ≥ 25 V, NDS ≥ 3, NDS ≥ 6 was 100, 80.6 and 80.9 % respectively. Sensitivity and specificity of feet-ESC < 70μS to detect confirmed-diabetic peripheral neuropathy were 67.5 and 58.9 % respectively. CONCLUSION Sudoscan a simple and objective tool can be used to detect diabetic peripheral neuropathy and the risk of foot ulceration among patients with diabetes mellitus. Prospective studies to confirm our results are warranted.
Collapse
Affiliation(s)
- Eman Sheshah
- Diabetes Care Center, King Salman Hospital (MOH), Ayesha Bint Abi Baker St., PO Box: 15169, Riyadh, 11444 Kingdom of Saudi Arabia
| | - Amal Madanat
- Diabetes Care Center, King Salman Hospital (MOH), Ayesha Bint Abi Baker St., PO Box: 15169, Riyadh, 11444 Kingdom of Saudi Arabia
| | - Fahad Al-Greesheh
- Diabetes Care Center, King Salman Hospital (MOH), Ayesha Bint Abi Baker St., PO Box: 15169, Riyadh, 11444 Kingdom of Saudi Arabia
| | - Dalal AL-Qaisi
- Diabetes Care Center, King Salman Hospital (MOH), Ayesha Bint Abi Baker St., PO Box: 15169, Riyadh, 11444 Kingdom of Saudi Arabia
| | - Mohammad AL-Harbi
- Diabetes Care Center, King Salman Hospital (MOH), Ayesha Bint Abi Baker St., PO Box: 15169, Riyadh, 11444 Kingdom of Saudi Arabia
| | - Reem Aman
- Diabetes Care Center, King Salman Hospital (MOH), Ayesha Bint Abi Baker St., PO Box: 15169, Riyadh, 11444 Kingdom of Saudi Arabia
| | - Abdul Aziz AL-Ghamdi
- Diabetes Care Center, King Salman Hospital (MOH), Ayesha Bint Abi Baker St., PO Box: 15169, Riyadh, 11444 Kingdom of Saudi Arabia
| | - Khaled AL-Madani
- Diabetes Care Center, King Salman Hospital (MOH), Ayesha Bint Abi Baker St., PO Box: 15169, Riyadh, 11444 Kingdom of Saudi Arabia
| |
Collapse
|
25
|
Liang CC, Lin PC, Lee MY, Chen SC, Shin SJ, Hsiao PJ, Lin KD, Hsu WH. Association of Serum Uric Acid Concentration with Diabetic Retinopathy and Albuminuria in Taiwanese Patients with Type 2 Diabetes Mellitus. Int J Mol Sci 2016; 17:ijms17081248. [PMID: 27490538 PMCID: PMC5000646 DOI: 10.3390/ijms17081248] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 07/25/2016] [Accepted: 07/27/2016] [Indexed: 12/17/2022] Open
Abstract
Patients with type 2 diabetes mellitus (DM) may experience chronic microvascular complications such as diabetic retinopathy (DR) and diabetic nephropathy (DN) during their lifetime. In clinical studies, serum uric acid concentration has been found to be associated with DR and DN. The goal of this study was to evaluate the relationship between the increases in serum uric acid level and the severity of DR and albuminuria in Taiwanese patients with type 2 DM. We recorded serum uric acid concentration, the severity of DR, and the severity of albuminuria by calculating urinary albumin-to-creatinine ratio (UACR) in 385 patients with type 2 DM. In multivariate logistic regression analysis, a high uric acid concentration was a risk factor for albuminuria (odds ratio (OR), 1.227; 95% confidence interval (CI) = 1.015–1.482; p = 0.034) and DR (OR, 1.264; 95% CI = 1.084–1.473; p = 0.003). We also demonstrated that there was a higher concentration of serum uric acid in the patients with more severe albuminuria and DR. In conclusion, an increased serum uric acid level was significantly correlated with the severity of albuminuria and DR in Taiwanese patients with type 2 DM.
Collapse
Affiliation(s)
- Ching-Chao Liang
- Department of Laboratory Technology, Kaohsiung Municipal CiJin Hospital, Kaohsiung 805, Taiwan.
| | - Pi-Chen Lin
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
| | - Mei-Yueh Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
- Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung 812, Taiwan.
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Szu-Chia Chen
- Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung 812, Taiwan.
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Shyi-Jang Shin
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Center for Lipid and Glycomedicine Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Pi-Jung Hsiao
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Kun-Der Lin
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Department of Internal Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung 801, Taiwan.
| | - Wei-Hao Hsu
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
- Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung 812, Taiwan.
| |
Collapse
|
26
|
Li X, Wu TT, Chen J, Qiu W. Elevated expression levels of serum insulin-like growth factor-1, tumor necrosis factor-α and vascular endothelial growth factor 165 might exacerbate type 2 diabetic nephropathy. J Diabetes Investig 2016; 8:108-114. [PMID: 27218216 PMCID: PMC5217934 DOI: 10.1111/jdi.12542] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 05/11/2016] [Accepted: 05/22/2016] [Indexed: 12/25/2022] Open
Abstract
AIMS/INTRODUCTION The present study aimed to determine the associations between expressions of insulin-like growth factor-1 (IGF-1), tumor necrosis factor-α (TNF-α) and vascular endothelial growth factor 165 (VEGF165 ) in serum, and occurrence and development of type 2 diabetic nephropathy (DN). MATERIALS AND METHODS A total of 108 patients diagnosed as DN were randomly selected, including 50 patients in the microalbuminuria group, 44 patients in the macroalbuminuria group and 14 patients in the renal insufficiency group. Meanwhile, 97 healthy people were collected as a normal control group. Urinary albumin (UALB) and urine creatinine (Cr) of all participants were measured for 24 h, with their ratio (UALB/Cr) being calculated. Enzyme-linked immunosorbent assay was used to detect the serum concentrations of IGF-1, TNF-α and VEGF165 . RESULTS The expressions of serum IGF-1, TNF-α and VEGF165 in the type 2 DN patients were significantly higher than those in the control group (all P < 0.05). The expressions of serum IGF-1, TNF-α and VEGF165 in the type 2 DN patients were positively correlated with UALB/Cr (all P < 0.05). As type 2 DN worsened, the expressions of serum IGF-1, TNF-α and VEGF165 increased, and type 2 DN severity had positive correlations with serum IGF-1, TNF-α and VEGF165 concentrations (all P < 0.05). There was a positive association between IGF-1 and TNF-α, IGF-1 and VEGF165 , and TNF-α and VEGF165 (all P < 0.05). Logistic regression analysis showed that IGF-1 and VEGF165 were associated with the progression of DN (both P < 0.05). CONCLUSIONS Elevated expression levels of serum IGF-1, TNF-α and VEGF165 might exacerbate type 2 DN.
Collapse
Affiliation(s)
- Xiang Li
- Department of Clinical Laboratory, Huai'an Hospital Affiliated of Xuzhou Medical University, Huai'an, China
| | - Ting-Ting Wu
- Department of Clinical Laboratory, The Fourth People's Hospital of Huai'an, Huai'an, China
| | - Juan Chen
- Department of Endocrinology, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, China
| | - Wen Qiu
- Department of Clinical Laboratory, Huai'an Hospital Affiliated of Xuzhou Medical University, Huai'an, China
| |
Collapse
|
27
|
Ge S, Xie J, Zheng L, Yang L, Zhu H, Cheng X, Shen F. Associations of serum anti-ganglioside antibodies and inflammatory markers in diabetic peripheral neuropathy. Diabetes Res Clin Pract 2016; 115:68-75. [PMID: 27242125 DOI: 10.1016/j.diabres.2016.02.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Revised: 01/11/2016] [Accepted: 02/08/2016] [Indexed: 11/20/2022]
Abstract
AIMS To investigate the associations between inflammatory markers, serum anti-ganglioside antibodies (anti-GS-ab), serum plasminogen activator inhibitor-1 (PAI-1), tumor necrosis factor-α (TNF-α), C-reactive protein (CRP), and diabetic peripheral neuropathy (DPN). METHODS Study subjects were divided into three groups: normal group (N group) with 101 healthy individuals; diabetes mellitus without peripheral neuropathy group (DM group) with 87 patients; and DPN group with 178 cases. American Nicolet Viking IV electromyography was applied to detect nerve conduction velocity; enzyme linked immunosorbent assay was used to determine the levels of anti-GS-IgG-ab, PAI-1, and TNF-α; and immunoturbidimetry was employed to measure CRP levels. RESULTS Motor nerve conduction velocity and sensory nerve conduction velocity in the DNC group were significantly lower than in the N and DM groups (all P<0.05). Pairwise comparisons among diabetic peripheral neuropathy clinical (DPNC) levels were statistically significant (P<0.05), and the level of anti-GS-ab was positively correlated with DPNC. There were statistically significant differences in PAI-1, TNF-α, and CRP levels between the DPN group and DM and N groups (both P<0.05). Pairwise comparisons of PAI-1, TNF-α, and CRP levels among DPNC levels showed no statistical significance in volumes (P>0.05), and the concentration of anti-GS-IgM-ab was in significant positive correlated with PAI-1, TNF-α, and CRP levels. CONCLUSION Anti-GS-ab and inflammatory markers such as PAI-1, TNF-α, and CRP were associated with DPN and can be used as important indicators for the prediction and early diagnosis of DPN.
Collapse
Affiliation(s)
- Shengjie Ge
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Soochow University, Suzhou 215006, PR China; Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, PR China
| | - Jing Xie
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Soochow University, Suzhou 215006, PR China
| | - Lequn Zheng
- Department of Endocrinology and Metabolism, Wenzhou Traditional Chinese Medicine Hospital, Wenzhou 325000, PR China
| | - Lijuan Yang
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, PR China
| | - Hong Zhu
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, PR China
| | - Xingbo Cheng
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Soochow University, Suzhou 215006, PR China.
| | - Feixia Shen
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, PR China.
| |
Collapse
|
28
|
Association Between Tumor Necrosis Factor-α and Diabetic Peripheral Neuropathy in Patients with Type 2 Diabetes: a Meta-Analysis. Mol Neurobiol 2016; 54:983-996. [PMID: 26797519 DOI: 10.1007/s12035-016-9702-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Accepted: 01/05/2016] [Indexed: 12/13/2022]
Abstract
Tumor necrosis factor-α (TNF-α) is a cell signaling protein involved in systemic inflammation, and is also an important cytokine in the acute phase reaction. Several studies suggested a possible association between TNF-α and diabetic peripheral neuropathy (DPN) in type 2 diabetic patients, but no accurate conclusion was available. A systematic review and meta-analysis of observational studies was performed to comprehensively assess the association between serum TNF-α levels and DPN in type 2 diabetic patients. We searched Pubmed, Web of Science, Embase, and China Biology Medicine (CMB) databases for eligible studies. Study-specific data were combined using meta-analysis. Fourteen studies were finally included into the meta-analysis, which involved a total of 2650 participants. Meta-analysis showed that there were obviously increased serum TNF-α levels in DPN patients compared with type 2 diabetic patients without DPN (standard mean difference [SMD] = 1.203, 95 % CI 0.795-1.611, P < 0.001). There were also obviously increased levels of serum TNF-α in diabetic patients with DPN when compared with healthy controls (SMD = 2.364, 95 % CI 1.333-3.394, P < 0.001). In addition, there were increased serum TNF-α levels in painful DPN patients compared with painless DPN patients (SMD = 0.964, 95 % CI 0.237-1.690, P = 0.009). High level of serum TNF-α was significantly associated with increased risk of DPN in patients with type 2 diabetes (odds ratio [OR] = 2.594, 95 % CI 1.182-5.500, P = 0.017). Increased serum levels of TNF-α was not associated with increased risk of painful DPN in patients with type 2 diabetes (OR = 2.486, 95 % CI 0.672-9.193, P = 0.172). Sensitivity analysis showed that there was no obvious change in the pooled estimates when omitting single study by turns. Type 2 diabetic patients with peripheral neuropathy have obviously increased serum TNF-α levels than type 2 diabetic patients without peripheral neuropathy and healthy controls, and high level of serum TNF-α may be associated with increased risk of peripheral neuropathy independently. Further prospective cohort studies are needed to assess the association between TNF-α and DPN.
Collapse
|
29
|
Miric DJ, Kisic BM, Filipovic-Danic S, Grbic R, Dragojevic I, Miric MB, Puhalo-Sladoje D. Xanthine Oxidase Activity in Type 2 Diabetes Mellitus Patients with and without Diabetic Peripheral Neuropathy. J Diabetes Res 2016; 2016:4370490. [PMID: 27965983 PMCID: PMC5124663 DOI: 10.1155/2016/4370490] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Revised: 10/22/2016] [Accepted: 10/26/2016] [Indexed: 01/19/2023] Open
Abstract
This study investigated the relationship between serum xanthine oxidase (XOD) activity and the occurrence of diabetic peripheral neuropathy (DPN) in type 2 diabetes mellitus (T2DM) patients. Serum XOD activity, ischemia-modified albumin (IMA), uric acid (UA), albumin, glycated hemoglobin (HbA1c), advanced glycation end products (AGE), total free thiols, atherogenic index of plasma (AIP), and body mass index (BMI) were measured in 80 T2DM patients (29 with and 51 without DPN), and 30 nondiabetic control subjects. Duration of diabetes, hypertension, medication, and microalbuminuria was recorded. Serum XOD activities in controls, non-DPN, and DPN were 5.7 ± 2.4 U/L, 20.3 ± 8.6 U/L, and 27.5 ± 10.6 U/L (p < 0.01), respectively. XOD activity was directly correlated to IMA, UA, BMI, HbA1c, and AGE, while inversely correlated to serum total free thiols. A multivariable logistic regression model, which included duration of diabetes, hypertension, AIP, HbA1c, UA, and XOD activity, revealed HbA1c [OR = 1.03 (1.00-1.05); p = 0.034] and XOD activity [OR = 1.07 (1.00-1.14); p = 0.036] as independent predictors of DPN. Serum XOD activity was well correlated to several other risk factors. These results indicate the role of XOD in the development of DPN among T2DM patients.
Collapse
Affiliation(s)
- Dijana J. Miric
- Institute of Biochemistry, Medical Faculty, University of Pristina, Kosovska Mitrovica, Serbia
- *Dijana J. Miric:
| | - Bojana M. Kisic
- Institute of Biochemistry, Medical Faculty, University of Pristina, Kosovska Mitrovica, Serbia
| | - Snezana Filipovic-Danic
- Clinics for Neurology and Psychiatry, Medical Faculty, University of Pristina, Kosovska Mitrovica, Serbia
| | - Rade Grbic
- Clinics for General and Orthopedics Surgery, Medical Faculty, University of Pristina, Kosovska Mitrovica, Serbia
| | - Ilija Dragojevic
- Institute of Biochemistry, Medical Faculty, University of Pristina, Kosovska Mitrovica, Serbia
| | - Marko B. Miric
- Clinics for Neurology and Psychiatry, Medical Faculty, University of Pristina, Kosovska Mitrovica, Serbia
| | - Dragana Puhalo-Sladoje
- Biochemical Laboratory, Medical Faculty, University of East Sarajevo, Foca, Bosnia And Herzegovina
| |
Collapse
|
30
|
Chen Y, Wang J, Wang L, Huang P, Tan ZX, Liu HJ. Adiponectin gene polymorphisms are associated with increased susceptibility to diabetic peripheral neuropathy. Biomarkers 2015; 20:474-80. [PMID: 26616148 DOI: 10.3109/1354750x.2015.1101784] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Yao Chen
- Department of Endocrinology, Fujian Medical University Union Hospital, Endocrinology Institute of Fujian, Fuzhou, P.R. China
| | - Jian Wang
- Department of Endocrinology, Fujian Medical University Union Hospital, Endocrinology Institute of Fujian, Fuzhou, P.R. China
| | - Lijing Wang
- Department of Endocrinology, Fujian Medical University Union Hospital, Endocrinology Institute of Fujian, Fuzhou, P.R. China
| | - Peiji Huang
- Department of Endocrinology, Fujian Medical University Union Hospital, Endocrinology Institute of Fujian, Fuzhou, P.R. China
| | - Zeng-Xian Tan
- Department of Intervention, Handan Central Hospital, Handan, P.R. China, and
| | - Huai-Jun Liu
- Department of Medical Imaging, The Second Hospital of Hebei Medical University, Shijiazhuang, P.R. China
| |
Collapse
|
31
|
Kim ES, Lee SW, Mo EY, Moon SD, Han JH. Inverse association between serum total bilirubin levels and diabetic peripheral neuropathy in patients with type 2 diabetes. Endocrine 2015; 50:405-12. [PMID: 25846483 DOI: 10.1007/s12020-015-0583-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 03/17/2015] [Indexed: 12/18/2022]
Abstract
Several studies have suggested that bilirubin, a potent innate antioxidant, plays a protective role against cardiovascular and microvascular disease. This study investigated the association between serum concentrations of total bilirubin (TB) and the presence of diabetic peripheral neuropathy (DPN) in Korean diabetic patients. This cross-sectional study involved 1207 patients aged more than 30 years with type 2 diabetes. DPN was assessed according to clinical symptoms and physical examinations using Michigan Neuropathy Screening Instrument examination score, 10-g monofilament sensation, and current perception threshold. The subjects were stratified into gender-specific tertiles based on TB values, and the relationship between the TB values and DPN was analyzed. Compared with patients within the lowest TB tertile, those with higher TB levels consisted of patients with shorter duration of diabetes, lower HbA1c, better renal function, and less autonomic neuropathy, retinopathy, and albuminuria. Serum TB levels were inversely associated with DPN. In multivariate analysis for the development of DPN after adjusting for potential confounding factors including retinopathy, albuminuria, and autonomic neuropathy, the TB levels were inversely associated with the presence of DPN, both as a continuous variable [odds ratio (OR) per log standard deviation (SD) 0.79; 95% confidence interval (CI) 0.65-0.97; P = 0.022] and when categorized in tertiles (the highest vs. the lowest tertile; OR 0.63; 95% CI 0.40-0.99; P = 0.046). Low serum bilirubin levels are significantly associated with DPN, independently of classic risk factors and other microvascular complications. Further investigation is necessary to determine whether serum bilirubin has a prognostic significance on DPN.
Collapse
Affiliation(s)
- Eun Sook Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
- The Catholic University of Korea Incheon St. Mary's Hospital, Incheon, Korea
| | - Sung Won Lee
- Division of Hepatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
- The Catholic University of Korea Incheon St. Mary's Hospital, Incheon, Korea
| | - Eun Young Mo
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
- The Catholic University of Korea Incheon St. Mary's Hospital, Incheon, Korea
| | - Sung Dae Moon
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.
- The Catholic University of Korea Incheon St. Mary's Hospital, Incheon, Korea.
| | - Je Ho Han
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.
- The Catholic University of Korea Incheon St. Mary's Hospital, Incheon, Korea.
| |
Collapse
|
32
|
Liao XP, Zhu HW, Zeng F, Tang ZH. The association and interaction analysis of hypertension and uric acid on cardiovascular autonomic neuropathy. J Endocrinol Invest 2015; 38:1075-82. [PMID: 25903694 DOI: 10.1007/s40618-015-0291-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Accepted: 04/08/2015] [Indexed: 10/23/2022]
Abstract
BACKGROUND The purpose of this study was to evaluate associations among hypertension (HTN) and uric acid (UA) with cardiovascular autonomic neuropathy (CAN), and to estimate the extent to which synergistic effects of HTN and UA affect the outcome in a Chinese population. METHOD We conducted a large-scale, population-based study to analyze the association and interaction of the two factors for CAN in a sample of 2092 Chinese people. Univariate and multiple linear regression (MLR) analysis were employed to detect these relationships. Interaction on an additive scale can be calculated by using the relative excess risk due to interaction (RERI), the proportion attributable to interaction (AP), and the synergy index (S). RESULT After adjusting for confounding factors, MLR showed that HTN was independently associated with CAN (P < 0.001). A significant interaction effect of UA and HTN on CAN was detected (P = 0.035; RETI = 1.483, 95 % CI 0.415-2.551; AP = 0.360, 95 % CI -0.043 to 0.76 and S = 1.908, 95 % CI 0.152-3.66). CONCLUSION Our findings suggest that HTN is independently and significantly associated with CAN and offer evidence to support the hypothesis that HTN and UA have interaction effects to influence the progression of CAN.
Collapse
Affiliation(s)
- X-P Liao
- Department of Internal Medicine, Shanghai Anting Hospital, Jiading, Shanghai, China.
| | - H-W Zhu
- Department of Internal Medicine, Shanghai Anting Hospital, Jiading, Shanghai, China.
| | - F Zeng
- Department of Endocrinology and Metabolism, Shanghai Tongji Hospital, Tongji University School of Medicine, Room 517, Building 2nd, 389 Xincun Road, Shanghai, 200063, China.
| | - Z-H Tang
- Department of Endocrinology and Metabolism, Shanghai Tongji Hospital, Tongji University School of Medicine, Room 517, Building 2nd, 389 Xincun Road, Shanghai, 200063, China.
| |
Collapse
|
33
|
Papanas N, Ziegler D. Risk Factors and Comorbidities in Diabetic Neuropathy: An Update 2015. Rev Diabet Stud 2015; 12:48-62. [PMID: 26676661 PMCID: PMC5397983 DOI: 10.1900/rds.2015.12.48] [Citation(s) in RCA: 125] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Revised: 04/27/2015] [Accepted: 05/07/2015] [Indexed: 01/01/2023] Open
Abstract
Distal symmetric sensorimotor polyneuropathy (DSPN) is the most common neurological manifestation in diabetes. Major risk factors of DSPN include diabetes duration, hyperglycemia, and age, followed by prediabetes, hypertension, dyslipidemia, and obesity. Height, smoking, insulin resistance, hypoinsulinemia, and others represent an additional risk. Importantly, hyperglycemia, hypertension, dyslipidemia, obesity, and smoking are modifiable. Stringent glycemic control has been shown to be effective in type 1, but not to the same extent in type 2 diabetes. Antilipidemic treatment, especially with fenofibrate, and multi-factorial intervention have produced encouraging results, but more experience is necessary. The major comorbidities of DSPN are depression, autonomic neuropathy, peripheral arterial disease, cardiovascular disease, nephropathy, retinopathy, and medial arterial calcification. Knowledge of risk factors and comorbidities has the potential to enrich the therapeutic strategy in clinical practice as part of the overall medical care for patients with neuropathy. This article provides an updated overview of DSPN risk factors and comorbidities.
Collapse
Affiliation(s)
- Nikolaos Papanas
- Second Department of Internal Medicine, Democritus University of Thrace, Alexandroupolis, Greece
| | - Dan Ziegler
- Institute for Clinical Diabetology, German Diabetes Center at Heinrich Heine University, Leibniz Center for Diabetes Research, Düsseldorf, Germany
- Department of Endocrinology and Diabetology, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| |
Collapse
|
34
|
Sheikh M, Movassaghi S, Khaledi M, Moghaddassi M. Hyperuricemia in systemic lupus erythematosus: is it associated with the neuropsychiatric manifestations of the disease? REVISTA BRASILEIRA DE REUMATOLOGIA 2015; 56:471-477. [PMID: 27914592 DOI: 10.1016/j.rbre.2015.07.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 05/12/2015] [Indexed: 10/23/2022] Open
Abstract
OBJECTIVES To assess the association between hyperuricemia and different neuropsychiatric manifestations and stroke risk factors in systematic lupus erythematosus (SLE) patients. METHODS This study was conducted on 204 SLE patients who were admitted to a tertiary referral center. A standardized questionnaire was completed for all the participants and the medical records were reviewed regarding the occurrence of arterial or venous thrombotic events, stroke, seizure, depression, headache, psychosis, and peripheral neuropathy. In addition blood samples were drawn to obtain serum uric acid, triglyceride (TG), high-density lipoprotein (HDL) cholesterol, low-density lipoprotein (LDL) cholesterol, and total cholesterol levels. RESULTS Hyperuricemia (serum uric acid ≥6mg/dl for women and ≥7mg/dl for men) was detected in 16.1% of SLE patients and was significantly associated with the occurrence of stroke (OR, 2.38; 95%CI, 1.2-7.24), and peripheral neuropathy (OR, 3.49; 95% CI, 1.52-12.23), independent of hypertension and hyperlipidemia. Hyperuricemia was also significantly associated with hypertension (OR, 7.76; 95% CI, 2.72-15.76), hyperlipidemia (OR, 5.05; 95% CI, 1.59-11.32), and history of arterial thrombosis (OR, 4.95; 95% CI, 1.98-15.34), independent of age and body mass index. CONCLUSIONS Hyperuricemia in SLE patients is independently associated with the occurrence of stroke and peripheral neuropathy. It is also independently associated with hypertension, hyperlipidemia, and history of arterial thrombosis, which are the major stroke and myocardial infarction risk factors in SLE patients.
Collapse
Affiliation(s)
- Mahdi Sheikh
- Tehran University of Medical Sciences, Rheumatology Research Center, Tehran, Iran
| | - Shafieh Movassaghi
- Tehran University of Medical Sciences, Rheumatology Research Center, Tehran, Iran.
| | - Mohammad Khaledi
- Tehran University of Medical Sciences, Imam-Khodemini Hospital, Department of Neurology, Tehran, Iran
| | - Maryam Moghaddassi
- Tehran University of Medical Sciences, Rheumatology Research Center, Tehran, Iran
| |
Collapse
|
35
|
Sheikh M, Movassaghi S, Khaledi M, Moghaddassi M. [Hyperuricemia in systemic lupus erythematosus: is it associated with the neuropsychiatric manifestations of the disease?]. REVISTA BRASILEIRA DE REUMATOLOGIA 2015; 56:S0482-5004(15)00076-5. [PMID: 26232280 DOI: 10.1016/j.rbr.2015.05.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Revised: 05/06/2015] [Accepted: 05/12/2015] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVES To assess the association between hyperuricemia and different neuropsychiatric manifestations and stroke risk factors in systematic lupus erythematosus (SLE) patients. METHODS This study was conducted on 204 SLE patients who were admitted to a tertiary referral center. A standardized questionnaire was completed for all the participants and the medical records were reviewed regarding the occurrence of arterial or venous thrombotic events, stroke, seizure, depression, headache, psychosis, and peripheral neuropathy. In addition blood samples were drawn to obtain serum uric acid, triglyceride (TG), high-density lipoprotein (HDL) cholesterol, low-density lipoprotein (LDL) cholesterol, and total cholesterol levels. RESULTS Hyperuricemia (serum uric acid ≥ 6mg/dl for women and ≥ 7mg/dl for men) was detected in 16.1% of SLE patients and was significantly associated with the occurrence of stroke (OR, 2.38; 95%CI, 1.2-7.24), and peripheral neuropathy (OR, 3.49; 95% CI, 1.52-12.23), independent of hypertension and hyperlipidemia. Hyperuricemia was also significantly associated with hypertension (OR, 7.76; 95% CI, 2.72-15.76), hyperlipidemia (OR, 5.05; 95% CI, 1.59-11.32), and history of arterial thrombosis (OR, 4.95; 95% CI, 1.98-15.34), independent of age and body mass index. CONCLUSIONS Hyperuricemia in SLE patients is independently associated with the occurrence of stroke and peripheral neuropathy. It is also independently associated with hypertension, hyperlipidemia, and history of arterial thrombosis, which are the major stroke and myocardial infarction risk factors in SLE patients.
Collapse
Affiliation(s)
- Mahdi Sheikh
- Centro de Pesquisa de Reumatologia, Universidade de Ciências Médicas de Teerã, Teerã, Irã
| | - Shafieh Movassaghi
- Centro de Pesquisa de Reumatologia, Universidade de Ciências Médicas de Teerã, Teerã, Irã.
| | - Mohammad Khaledi
- Departamento de Neurologia, Hospital Imam-Khomeini, Universidade de Ciências Médicas de Teerã, Teerã, Irã
| | - Maryam Moghaddassi
- Centro de Pesquisa de Reumatologia, Universidade de Ciências Médicas de Teerã, Teerã, Irã
| |
Collapse
|
36
|
Li LX, Lu JX, Shuai HP, Xia HF, Zhang R, Wang JW, Chen MY, Li TT, Bao YQ, Jia WP. Decreased urine uric acid excretion is associated with diabetic retinopathy but not with lower limb atherosclerosis in hospitalized patients with type 2 diabetes. Atherosclerosis 2015; 242:13-8. [PMID: 26162315 DOI: 10.1016/j.atherosclerosis.2015.06.051] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 06/15/2015] [Accepted: 06/26/2015] [Indexed: 01/29/2023]
Abstract
OBJECTIVE To explore the associations between urine uric acid excretion (UUAE) and diabetic retinopathy (DR)/lower limb atherosclerotic lesions in hospitalized Chinese patients with type 2 diabetes. METHODS This cross-sectional study was conducted in 2529 hospitalized Chinese patients with type 2 diabetes. UUAE was determined enzymatically using a single 24-h urine collection. The subjects were stratified into quartile based on UUAE levels. DR was determined by digital fundus photography. Lower limb atherosclerotic lesions were assessed by Doppler ultrasound. Both DR and lower limb atherosclerosis were compared among the UUAE quartile groups, respectively. RESULTS There was a significant decrease in the prevalence of DR in patients across the UUAE quartiles after adjustment for sex, age and diabetic duration (35.0%, 30.7%, 26.1%, and 21.5%, respectively, p = 0.000001 for trend). A fully adjusted multiple logistic regression analyses revealed that UUAE quartiles were markedly inversely associated with the presence of DR (p = 0.030). The prevalence of lower limb plaque (73.9% vs. 62.6%, p = 0.000044) and stenosis (16.3% vs. 9.7%, p = 0.000015) was markedly higher in the diabetics with DR than in those without DR. However, there was no statistical association between the UUAE and lower limb atherosclerotic lesions in type 2 diabetes. CONCLUSIONS Decreased UUAE was an independent risk factor for DR but not for lower limb atherosclerosis in hospitalized Chinese patients with type 2 diabetes. In selected populations, such as those with type 2 diabetes, the role of uric acid in atherosclerosis may be result from other concomitantly atherosclerotic risk factors, such as DR.
Collapse
Affiliation(s)
- Lian-Xi Li
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Clinical Center for Diabetes, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Key Clinical Center for Metabolic Disease, 600 Yishan Road, Shanghai 200233, China.
| | - Jun-Xi Lu
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Clinical Center for Diabetes, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Key Clinical Center for Metabolic Disease, 600 Yishan Road, Shanghai 200233, China
| | - Hai-Ping Shuai
- Department of Medical Record Management, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Hui-Fen Xia
- Department of Medical Record Management, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Rong Zhang
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Clinical Center for Diabetes, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Key Clinical Center for Metabolic Disease, 600 Yishan Road, Shanghai 200233, China
| | - Jun-Wei Wang
- Department of VIP, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Ming-Yun Chen
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Clinical Center for Diabetes, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Key Clinical Center for Metabolic Disease, 600 Yishan Road, Shanghai 200233, China
| | - Ting-Ting Li
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Clinical Center for Diabetes, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Key Clinical Center for Metabolic Disease, 600 Yishan Road, Shanghai 200233, China
| | - Yu-Qian Bao
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Clinical Center for Diabetes, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Key Clinical Center for Metabolic Disease, 600 Yishan Road, Shanghai 200233, China
| | - Wei-Ping Jia
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Clinical Center for Diabetes, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Key Clinical Center for Metabolic Disease, 600 Yishan Road, Shanghai 200233, China.
| |
Collapse
|
37
|
Körei AE, Istenes I, Papanas N, Kempler P. Small-Fiber Neuropathy: A Diabetic Microvascular Complication of Special Clinical, Diagnostic, and Prognostic Importance. Angiology 2015; 67:49-57. [PMID: 25957257 DOI: 10.1177/0003319715583595] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Damage of small nerve fibers may lead to a large variety of clinical symptoms. Small-fiber neuropathy underlies the symptoms of painful diabetic neuropathy, which may decrease quality of life. It also contributes to the poor prognosis of diabetic neuropathy because it plays a key role in the pathogenesis of foot ulceration and autonomic neuropathy. Impairment of small nerve fibers is considered the earliest alteration in the course of diabetic neuropathy. Therefore, assessment of functional and morphological abnormalities of small nerve fibers may enable timely diagnosis. The definition, symptoms, and clinical significance of small-fiber neuropathy are considered in the present review. An apparently more complex interaction between small-fiber impairment and microcirculation is extensively discussed. Diagnostic modalities include morphometric and functional methods. Corneal confocal microscopy and punch skin biopsy are considered gold standards, but noninvasive functional tests are also diagnostically useful. However, in routine clinical practice, small-fiber neuropathy is diagnosed by its typical clinical presentation. Finally, prompt treatment should be initiated following diagnosis.
Collapse
Affiliation(s)
- A E Körei
- First Department of Medicine, Semmelweis University, Budapest, Hungary
| | - I Istenes
- First Department of Medicine, Semmelweis University, Budapest, Hungary
| | - N Papanas
- Second Department of Internal Medicine, Outpatient Clinic of the Diabetic Foot, Democritus University of Thrace, University Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - P Kempler
- First Department of Medicine, Semmelweis University, Budapest, Hungary
| |
Collapse
|
38
|
Serum Uric Acid Levels and Diabetic Peripheral Neuropathy in Type 2 Diabetes: a Systematic Review and Meta-analysis. Mol Neurobiol 2015; 53:1045-1051. [PMID: 25579387 DOI: 10.1007/s12035-014-9075-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Accepted: 12/29/2014] [Indexed: 12/22/2022]
Abstract
Previous studies suggested a possible association between serum uric acid levels and peripheral neuropathy in patients with type 2 diabetes, but no definite evidence was available. A systematic review and meta-analysis of relevant studies were performed to comprehensively estimate the association. Pubmed, Web of Science, Embase, and China Biology Medicine (CBM) databases were searched for eligible studies. Study-specific data were combined using random-effect or fixed-effect models of meta-analysis according to between-study heterogeneity. Twelve studies were finally included into the meta-analysis, which involved a total of 1388 type 2 diabetic patients with peripheral neuropathy and 4746 patients without peripheral neuropathy. Meta-analysis showed that there were obvious increased serum uric acid levels in diabetic patients with peripheral neuropathy (weighted mean difference [WMD] = 50.03 μmol/L, 95% confidence interval [95%CI] 22.14-77.93, P = 0.0004). Hyperuricemia was also significantly associated with increased risk of peripheral neuropathy in patients with type 2 diabetes (risk ratio [RR] = 2.83, 95%CI 2.13-3.76, P < 0.00001). Meta-analysis of two studies with adjusted risk estimates showed that hyperuricemia was independently associated with increased risk of peripheral neuropathy in type 2 diabetic patients (RR = 1.95, 95%CI 1.23-3.11, P = 0.005). Type 2 diabetic patients with peripheral neuropathy have obvious increased serum uric acid levels, and hyperuricemia is associated with increased risk of peripheral neuropathy. Further prospective cohort studies are needed to validate the impact of serum uric acid levels on peripheral neuropathy risk.
Collapse
|
39
|
Zhan Y, Dong Y, Tang Z, Zhang F, Hu D, Yu J. Serum Uric Acid, Gender, and Low Ankle Brachial Index in Adults With High Cardiovascular Risk. Angiology 2015; 66:687-91. [PMID: 25564679 DOI: 10.1177/0003319714566228] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Uric acid (UA) has been reported to be associated with cardiovascular disease (CVD) in caucasians. However, it is unclear whether this association remains significant in a Chinese population. The present study aimed to investigate the association between UA and low ankle brachial index (ABI), a measurement of peripheral arterial disease, in Chinese patients. A total of 6262 hospital-based patients with high CVD risk were enrolled. Low ABI was defined as ABI ≤0.9 in either side. Low ABI was detected in 1390 (22.2%) patients. Higher UA was significantly associated with higher risk of low ABI and modified by gender (P = .0045). After adjusting for age, body mass index, total cholesterol, triglyceride, low-density lipoprotein, high-density lipoprotein, fasting glucose, hypertension, and smoking, participants in the highest quartile of UA exhibited 37% (odds ratio [OR]:1.37, 95% confidence interval [CI]: 1.03-1.82) higher risk of low ABI compared to those in the lowest quartile in men, while OR (95% CI) was 1.69 (1.29-2.22) for women. However, when kidney function was further adjusted, the associations were attenuated in both men and women and were significant only in women. The results were suggestive of higher UA associating with higher risk of low ABI in women, and the association was largely driven by kidney function, especially in men.
Collapse
Affiliation(s)
- Yiqiang Zhan
- Institute of Clinical Epidemiology, School of Public Health, Fudan University, Shanghai, P. R. China
| | - Ying Dong
- Department of Preventive Medicine, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Zheng Tang
- Institute of Clinical Epidemiology, School of Public Health, Fudan University, Shanghai, P. R. China
| | - Fen Zhang
- Department of Chronic Disease Prevention, Minhang Center for Disease Control and Prevention, Shanghai, P. R. China
| | - Dayi Hu
- Heart Center, Peking University People's Hospital, Beijing, P. R. China
| | - Jinming Yu
- Institute of Clinical Epidemiology, School of Public Health, Fudan University, Shanghai, P. R. China Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University, Shanghai, P. R. China
| |
Collapse
|
40
|
Kushiyama A, Tanaka K, Hara S, Kawazu S. Linking uric acid metabolism to diabetic complications. World J Diabetes 2014; 5:787-795. [PMID: 25512781 PMCID: PMC4265865 DOI: 10.4239/wjd.v5.i6.787] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2014] [Revised: 10/22/2014] [Accepted: 11/10/2014] [Indexed: 02/05/2023] Open
Abstract
Hyperuricemia have been thought to be caused by the ingestion of large amounts of purines, and prevention or treatment of hyperuricemia has intended to prevent gout. Xanthine dehydrogenase/xanthine oxidase (XDH/XO) is rate-limiting enzyme of uric acid generation, and allopurinol was developed as a uric acid (UA) generation inhibitor in the 1950s and has been routinely used for gout prevention since then. Serum UA levels are an important risk factor of disease progression for various diseases, including those related to lifestyle. Recently, other UA generation inhibitors such as febuxostat and topiroxostat were launched. The emergence of these novel medications has promoted new research in the field. Lifestyle-related diseases, such as metabolic syndrome or type 2 diabetes mellitus, often have a common pathological foundation. As such, hyperuricemia is often present among these patients. Many in vitro and animal studies have implicated inflammation and oxidative stress in UA metabolism and vascular injury because XDH/XO act as one of the major source of reactive oxygen species Many studies on UA levels and associated diseases implicate involvement of UA generation in disease onset and/or progression. Interventional studies for UA generation, not UA excretion revealed XDH/XO can be the therapeutic target for vascular injury and renal dysfunction. In this review, the relationship between UA metabolism and diabetic complications is highlighted.
Collapse
|
41
|
Katsiki N, Maltezos E, Papanas N. Diabetic foot: lipids, new and old vascular risk markers. J Diabetes Complications 2014; 28:913-4. [PMID: 25139046 DOI: 10.1016/j.jdiacomp.2014.07.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Accepted: 07/23/2014] [Indexed: 11/25/2022]
Affiliation(s)
- Niki Katsiki
- Second Propedeutic Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, Hippocration Hospital, Thessaloniki, Greece
| | - Efstratios Maltezos
- Outpatient Clinic of the Diabetic Foot, Second Department of Internal Medicine, Democritus University of Thrace, University Hospital of Alexandroupolis, Greece
| | - Nikolaos Papanas
- Outpatient Clinic of the Diabetic Foot, Second Department of Internal Medicine, Democritus University of Thrace, University Hospital of Alexandroupolis, Greece.
| |
Collapse
|
42
|
Lee JJ, Yang IH, Kuo HK, Chung MS, Chen YJ, Chen CH, Liu RT. Serum uric acid concentration is associated with worsening in severity of diabetic retinopathy among type 2 diabetic patients in Taiwan--a 3-year prospective study. Diabetes Res Clin Pract 2014; 106:366-72. [PMID: 25108898 DOI: 10.1016/j.diabres.2014.07.027] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Revised: 05/16/2014] [Accepted: 07/20/2014] [Indexed: 12/13/2022]
Abstract
AIMS To explore the role of serum uric acid (SUA) concentration in diabetic retinopathy (DR) for patients with type 2 diabetes mellitus (T2DM). METHODS A 3-year prospective study in 749 patients with T2DM and without proliferative diabetic retinopathy (PDR) was conducted at a medical center. Baseline SUA concentration and parameters of glycemic control, blood pressure, kidney disease, and lipid profiles were analyzed to determine their contribution to DR. RESULTS Fundus examination showed that 184 patients (24.6%) had non-proliferative retinopathy and 565 (75.4%) without DR at baseline. After 3 years, increase in the severity of DR was recognized in 103 patients (13.8%), including 81 patients with newly developed DR. Patients with increase in severity of DR positively associated with duration of DM (11.9 vs. 9.4 years, p = 0.001), HbA1c (7.6 vs. 7.2%, p = 0.001), albuminuria (45.5 vs. 31.0%, p = 0.006), and SUA (6.47 vs. 5.87 mg/dl, p<0.001) than did those without change in DR stage. Cox regression showed that patients with SUA in the 3rd (5.9-6.9 mg/dl) and 4th (≥ 7.0mg/dl) quartiles had hazard ratios for DR worsening of 2.57 and 3.66 (95% C.I. 1.30-5.08 and 1.92-7.00) when compared with patients with SUA in the 1st quartile (<4.9 mg/dl). CONCLUSIONS SUA concentration is associated with the increase in severity of DR over a 3-year period in patients with T2DM. Further study is required to define the exact role of SUA in DR.
Collapse
Affiliation(s)
- Jong-Jer Lee
- Department of Ophthalmology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taiwan
| | - I-Hui Yang
- Department of Ophthalmology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taiwan
| | - Hsi-Kung Kuo
- Department of Ophthalmology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taiwan
| | - Ming-Shien Chung
- Division of Metabolism, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taiwan
| | - Yung-Jen Chen
- Department of Ophthalmology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taiwan
| | - Chih-Hsin Chen
- Department of Ophthalmology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taiwan
| | - Rue-Tsuan Liu
- Division of Metabolism, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taiwan.
| |
Collapse
|
43
|
Pafili K, Katsiki N, Mikhailidis DP, Papanas N. Serum uric acid as a predictor of vascular complications in diabetes: an additional case for neuropathy. Acta Diabetol 2014; 51:893-4. [PMID: 25062616 DOI: 10.1007/s00592-014-0631-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Accepted: 07/12/2014] [Indexed: 01/08/2023]
Affiliation(s)
- K Pafili
- Diabetes Clinic, Second Department of Internal Medicine, University Hospital of Alexandroupolis, Democritus University of Thrace, G. Kondyli 22c, 68100, Alexandroupolis, Greece
| | | | | | | |
Collapse
|
44
|
Chuengsamarn S, Rattanamongkolgul S, Jirawatnotai S. Association between serum uric acid level and microalbuminuria to chronic vascular complications in Thai patients with type 2 diabetes. J Diabetes Complications 2014; 28:124-9. [PMID: 24412514 DOI: 10.1016/j.jdiacomp.2013.12.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2013] [Revised: 12/01/2013] [Accepted: 12/04/2013] [Indexed: 12/13/2022]
Abstract
AIMS To investigate an association between serum uric acid/microalbuminuria and chronic micro/macro-vascular complications in type 2 diabetic patients. METHODS This cross-sectional study enrolled 608 patients with type 2 diabetes. All subjects were examined and basic information on health of the subjects was recorded for inclusion criteria. Several chemical parameters (fasting plasma glucose, triglyceride, total cholesterol, low-density lipoprotein cholesterol, high-density lipoprotein cholesterol, uric acid, and microalbuminuria), and related chronic vascular complications were measured and recorded in data forms. RESULTS Logistic regressions were used to analyse odds ratios between uric acid/microalbuminuria levels and several chronic vascular complications. Prevalence of chronic vascular complications in T2DM patients, namely coronary arterial disease, cerebrovascular disease, diabetic nephropathy, diabetic retinopathy, and diabetic peripheral neuropathy was significantly correlated with increase of uric acid level [2.29 (1.01-5.2), 16.01 (4.74-54.09), 9.99 (4.4-22.8), 4.43 (1.3-15.1), 4.37 (1.5-12.9)], and of microalbuminuria level [7.0 (3.6-13.8), 3.2 (1.2-8.7), NA, 14.7 (5.1-42.7), 7.2 (2.9-17.7)]. CONCLUSION Both elevated uric acid and microalbuminuria levels were significantly associated with diabetic chronic micro/macro-vascular complications. Monitoring of uric acid and microalbuminuria levels provides a predictive value for a presence of chronic micro/macro-vascular complications in patients with type 2 diabetes.
Collapse
Affiliation(s)
- Somlak Chuengsamarn
- Division of Endocrinology and Metabolism, Faculty of Medicine, HRH Princess Maha Chakri Sirindhorn Medical Center, Srinakharinwirot University, Nakornnayok, Thailand.
| | - Suthee Rattanamongkolgul
- Department of Preventive and Social Medicine, Faculty of Medicine, HRH Princess Maha Chakri Sirindhorn Medical Center, Srinakharinwirot University, Nakornnayok, Thailand
| | - Siwanon Jirawatnotai
- Department of Pharmacology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| |
Collapse
|
45
|
Gouveri E, Katotomichelakis M, Gouveris H, Danielides V, Maltezos E, Papanas N. Olfactory dysfunction in type 2 diabetes mellitus: an additional manifestation of microvascular disease? Angiology 2014; 65:869-76. [PMID: 24554429 DOI: 10.1177/0003319714520956] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
We evaluated olfactory dysfunction in 154 adults (74 men, mean age 60.9±11.9 years), of whom 119 had type 2 diabetes mellitus (T2DM). Olfactory function was assessed with "Sniffin' Sticks." A total Threshold-Discrimination-Identification (TDI) score was calculated. Type 2 diabetes mellitus, hypertension, and hyperlipidemia were associated with lower olfactory scores (all TDI scores<0.001). Age was negatively associated with odor threshold, odor identification, and TDI score (P=.009, <.001, and <.001, respectively). After adjusting for age, gender, body mass index, smoking, alcohol, diabetes, hypertension, hyperlipidemia, and cardiovascular disease, only T2DM and hypertension were associated with TDI score (R square=0.281). Diabetic complications were associated with olfactory dysfunction (P=.006): TDI scores were lower in the presence of diabetic peripheral neuropathy (P=.017) and retinopathy (P=.047). In conclusion, T2DM and hypertension are independently associated with olfactory dysfunction while diabetic peripheral neuropathy and retinopathy are significantly associated with lower olfactory scores. The clinical relevance of these findings needs to be further examined.
Collapse
Affiliation(s)
- E Gouveri
- Department of Internal Medicine, Outpatient Clinic of Diabetes, Obesity and Metabolism, Second Democritus University of Thrace, Alexandroupolis, Greece
| | - M Katotomichelakis
- Ear, Nose and Throat Department, Democritus University of Thrace, Alexandroupolis, Greece
| | - H Gouveris
- Ear, Nose and Throat Department, Democritus University of Thrace, Alexandroupolis, Greece
| | - V Danielides
- Ear, Nose and Throat Department, Democritus University of Thrace, Alexandroupolis, Greece
| | - E Maltezos
- Department of Internal Medicine, Outpatient Clinic of Diabetes, Obesity and Metabolism, Second Democritus University of Thrace, Alexandroupolis, Greece
| | - N Papanas
- Department of Internal Medicine, Outpatient Clinic of Diabetes, Obesity and Metabolism, Second Democritus University of Thrace, Alexandroupolis, Greece
| |
Collapse
|
46
|
Ye X, Cao Y, Gao F, Yang Q, Zhang Q, Fu X, Li J, Xue Y. Elevated serum uric acid levels are independent risk factors for diabetic foot ulcer in female Chinese patients with type 2 diabetes. J Diabetes 2014; 6:42-7. [PMID: 23909978 DOI: 10.1111/1753-0407.12079] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Revised: 06/12/2013] [Accepted: 07/27/2013] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND To investigate the relationship between elevated serum uric acid levels and the presence of diabetic foot ulcer (DFU) in Chinese patients with type 2 diabetes (T2D). METHODS A retrospective study was performed on 829 outpatients with T2D (478 men, 351 women) who visited the Diabetes Clinic (Nanfang Hospital, Southern Medical University) from January 2007 to December 2009. Information regarding their clinical history, anthropometric measurements, and laboratory data were collected. Potential confounding variables with P < 0.10 were adjusted for in multivariate logistic regression analysis. RESULTS In univariate analyses, there was a significant difference in serum uric acid levels between female patients with and without DFU (370 ± 128 vs. 313 ± 107 μmol/L, respectively; P < 0.05), but not between male patients with and without DFU (317 ± 100 vs. 348 ± 111 μmol/L, respectively; P = 0.643). The prevalence of DFU among quintiles of uric acid levels (from 1-20% to 80-100%) was 5.3%, 3.9%, 7.7%, 5.5%, and 16.7%, respectively. Using uric acid level as a continuous variable, the multivariate-adjusted odds ratio for diabetic foot ulcer in female patients was 1.004 (95% confidence interval 1.001-1.008; P < 0.05). CONCLUSIONS Elevated uric acid levels are a significant and independent risk factor for diabetic foot ulcer in female Chinese patients with T2D. Whether serum uric acid is involved in the pathogenesis of DFU in female patients remains to be investigated.
Collapse
Affiliation(s)
- Xiao Ye
- Department of Endocrinology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | | | | | | | | | | | | | | |
Collapse
|
47
|
Xu Y, Zhu J, Gao L, Liu Y, Shen J, Shen C, Matfin G, Wu X. Hyperuricemia as an independent predictor of vascular complications and mortality in type 2 diabetes patients: a meta-analysis. PLoS One 2013; 8:e78206. [PMID: 24205159 PMCID: PMC3813432 DOI: 10.1371/journal.pone.0078206] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Accepted: 09/10/2013] [Indexed: 12/18/2022] Open
Abstract
Background Recent data have suggested that serum uric acid (SUA) level is positively associated with the development of type 2 diabetes (T2DM). Whether SUA is also independently associated with the development of vascular complications and mortality in T2DM is controversial. Methods A computerized literature search of MEDLINE, Embase and PubMed database was conducted and the odds ratio (OR) or hazard ratio (HR) for per 0.1mmol/l increase in SUA in each study was calculated. Cochrane’s Q and I2 statistics were used to evaluate heterogeneity among studies and pooling OR and HR with 95% confidence intervals (CIs) were calculated using random-effects models and fixed-effects models. The pooled analysis was performed using Stata 10.0. Results Our search yielded 9 eligible articles (16 ORs and HRs) including 20,891 T2DM patients. Pooled estimates for the relationship suggested that each 0.1 mmol/l increase in SUA resulted in a 28% increase in the risk of diabetic vascular complications and a 9% increase in the risk of diabetic mortality. In stratification-analysis, the positive relationship between SUA and vascular complications remained significant irrespective of mean age, adjustment for metabolic variables and medications. However, it was inconsistent in different populations (significantly positive in the Asian but not in Australian and Italian population) and sample sizes (significantly positive in the relatively large sample size [≥1000] but non-significant in the small sample size [<1000]). Conclusions Results of this meta-analysis supported elevated SUA as an independent predictor of vascular complications and mortality in T2DM patients. SUA-lowering therapies might be helpful for prevention and treatment of vascular complications in this population.
Collapse
Affiliation(s)
- Yili Xu
- Department of Endocrinology, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Jiayu Zhu
- Department of Endocrinology, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Li Gao
- Department of Endocrinology, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Yun Liu
- Department of Geriatrics, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Jie Shen
- Department of Endocrinology, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Chong Shen
- Department of Epidemiology & Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Glenn Matfin
- International Diabetes Center, Minneapolis, Minnesota, United States of America
| | - Xiaohong Wu
- Department of Endocrinology, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
- * E-mail:
| |
Collapse
|
48
|
Zhou J, Zhou S. Inflammation: therapeutic targets for diabetic neuropathy. Mol Neurobiol 2013; 49:536-46. [PMID: 23990376 DOI: 10.1007/s12035-013-8537-0] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2013] [Accepted: 08/15/2013] [Indexed: 11/26/2022]
Abstract
There are still no approved treatments for the prevention or of cure of diabetic neuropathy, and only symptomatic pain therapies of variable efficacy are available. Inflammation is a cardinal pathogenic mechanism of diabetic neuropathy. The relationships between inflammation and the development of diabetic neuropathy involve complex molecular networks and processes. Herein, we review the key inflammatory molecules (inflammatory cytokines, adhesion molecules, chemokines) and pathways (nuclear factor kappa B, JUN N-terminal kinase) implicated in the development and progression of diabetic neuropathy. Advances in the understanding of the roles of these key inflammatory molecules and pathways in diabetic neuropathy will facilitate the discovery of the potential of anti-inflammatory approaches for the inhibition of the development of neuropathy. Specifically, many anti-inflammatory drugs significantly inhibit the development of different aspects of diabetic neuropathy in animal models and clinical trials.
Collapse
Affiliation(s)
- Jiyin Zhou
- National Drug Clinical Trial Institution, Xinqiao Hospital, Third Military Medical University, Chongqing, 400037, China,
| | | |
Collapse
|
49
|
Katsiki N, Karagiannis A, Athyros VG, Mikhailidis DP. Hyperuricaemia. J Cardiovasc Med (Hagerstown) 2013; 14:397-402. [DOI: 10.2459/jcm.0b013e3283595adc] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
|
50
|
Monastiriotis C, Papanas N, Trypsianis G, Karanikola K, Veletza S, Maltezos E. The ε4 allele of the APOE gene is associated with more severe peripheral neuropathy in type 2 diabetic patients. Angiology 2012; 64:451-5. [PMID: 22826377 DOI: 10.1177/0003319712453645] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We examined the association between the ε4 allele of the apolipoprotein E gene and severity of peripheral neuropathy in 234 patients with type 2 diabetes mellitus (T2DM). Based on the Neuropathy Disability Score (NDS), patients were divided into group A (NDS ≤ 6: mild or no neuropathy) and group B (NDS > 6: severe neuropathy). In each group, patients were further divided into ε4 carriers and non-ε4 carriers. In multivariate analysis, a more than 5-fold increased risk of severe neuropathy was associated with ε4 carrier status (adjusted odds ratio [aOR]: 5.26, 95% confidence interval [CI]: 2.24-12.31, P = .0001). The other significant risk factors for severe neuropathy included male gender (aOR: 2.08, 95% CI: 1.05-4.14, P = .036), diabetes duration (aOR: 1.05, 95% CI: 1.00-1.09, P = .039), and hemoglobin A1c (aOR: 1.32, 95% CI: 1.05-1.66, P = .020). In conclusion, the ε4 carrier status appears to be associated with severe peripheral neuropathy in T2DM.
Collapse
Affiliation(s)
- C Monastiriotis
- Outpatient Clinic of the Diabetic Foot, Second Department of Internal Medicine, Democritus University of Thrace, Greece.
| | | | | | | | | | | |
Collapse
|