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1.
BMC Med ; 22(1): 224, 2024 Jun 03.
Article in English | MEDLINE | ID: mdl-38831391

ABSTRACT

BACKGROUND: Type 2 diabetes is associated with a variety of complications, including micro- and macrovascular complications, neurological manifestations and poor wound healing. Adhering to a Mediterranean Diet (MED) is generally considered an effective intervention in individuals at risk for type 2 diabetes mellitus (T2DM). However, little is known about its effect with respect to the different specific manifestations of T2DM. This prompted us to explore the effect of MED on the three most significant microvascular complications of T2DM: diabetic retinopathy (DR), diabetic kidney disease (DKD), and vascular diabetic neuropathies (DN). METHODS: We examined the association between the MED and the incidence of these microvascular complications in a prospective cohort of 33,441 participants with hyperglycemia free of microvascular complications at baseline, identified in the UK Biobank. For each individual, we calculated the Alternate Mediterranean Diet (AMED) score, which yields a semi-continuous measure of the extent to which an individual's diet can be considered as MED. We used Cox proportional hazard models to analyze hazard ratios (HRs) and 95% confidence intervals (CIs), adjusting for demographics, lifestyle factors, medical histories and cardiovascular risk factors. RESULTS: Over a median of 12.3 years of follow-up, 3,392 cases of microvascular complications occurred, including 1,084 cases of diabetic retinopathy (DR), 2,184 cases of diabetic kidney disease (DKD), and 632 cases of diabetic neuropathies (DN), with some patients having 2 or 3 microvascular complications simultaneously. After adjusting for confounders, we observed that higher AMED scores offer protection against DKD among participants with hyperglycemia (comparing the highest AMED scores to the lowest yielded an HR of 0.79 [95% CIs: 0.67, 0.94]). Additionally, the protective effect of AMED against DKD was more evident in the hyperglycemic participants with T2DM (HR, 0.64; 95% CI: 0.50, 0.83). No such effect, however, was seen for DR or DN. CONCLUSIONS: In this prospective cohort study, we have demonstrated that higher adherence to a MED is associated with a reduced risk of DKD among individuals with hyperglycemia. Our study emphasizes the necessity for continued research focusing on the benefits of the MED. Such efforts including the ongoing clinical trial will offer further insights into the role of MED in the clinical management of DKD.


Subject(s)
Diabetes Mellitus, Type 2 , Diabetic Nephropathies , Diet, Mediterranean , Hyperglycemia , Humans , Prospective Studies , Male , Female , Middle Aged , Diabetic Nephropathies/diet therapy , Diabetic Nephropathies/epidemiology , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/epidemiology , Diabetes Mellitus, Type 2/diet therapy , Aged , Hyperglycemia/epidemiology , Hyperglycemia/complications , Adult , United Kingdom/epidemiology , Diabetic Retinopathy/epidemiology , Diabetic Retinopathy/diet therapy , Incidence , Diabetic Neuropathies/epidemiology , Diabetic Neuropathies/diet therapy , Risk Factors
2.
Front Endocrinol (Lausanne) ; 15: 1364028, 2024.
Article in English | MEDLINE | ID: mdl-38863925

ABSTRACT

Background: The aim of this cross-sectional study was to elucidate the associations between various domains of physical activity, such as occupation-related (OPA), transportation-related (TPA), leisure-time (LTPA) and overall physical activity (PA), and diabetic kidney disease. Methods: Our study encompassed 2,633 participants, drawn from the cross-sectional surveys of the National Health and Nutrition Examination Survey (NHANES) between 2007 and 2018, and employed survey-weighted logistic regression, generalized linear regression, and restricted cubic spline (RCS) analyses to ascertain the relationship between different domains of physical activity and diabetic kidney disease. Results: After controlling for all confounders, multivariate logistic regression analyses revealed a lack of correlation between the various domains of physical activity and the prevalence of diabetic kidney disease. Multiple generalized linear regression analyses showed that durations of PA (ß = 0.05, 95% CI, 0.01-0.09, P = 0.012) and TPA (ß = 0.32, 95% CI, 0.10-0.55, P = 0.006) were positively associated with eGFR levels; and LTPA durations were inversely associated with UACR levels (ß = -5.97, 95% CI, -10.50 - -1.44, P = 0.011). The RCS curves demonstrated a nonlinear relationship between PA, OPA, and eGFR, as well as a nonlinear correlation between PA and ACR. Subgroup and sensitivity analyses largely aligned with the outcomes of the multivariate generalized linear regression, underscoring the robustness of our findings. Conclusion: Our population-based study explored the association between different domains of physical activity and diabetic kidney disease. Contrary to our expectations, we found no significant association between the duration of physical activity across all domains and the prevalence of diabetic nephropathy. Nonetheless, renal function markers, including eGFR and UACR, exhibited significant correlations with the duration of total physical activity (TPA) and leisure-time physical activity (LTPA), respectively, among diabetic patients. Interestingly, our findings suggest that diabetic patients engage in physical activity to preserve renal function, ensuring moderate exercise durations not exceeding 35 hours per week.


Subject(s)
Diabetic Nephropathies , Exercise , Nutrition Surveys , Humans , Male , Female , Cross-Sectional Studies , Middle Aged , Diabetic Nephropathies/epidemiology , Diabetic Nephropathies/physiopathology , Adult , Leisure Activities , Aged , Glomerular Filtration Rate , Prevalence
3.
Front Endocrinol (Lausanne) ; 15: 1358358, 2024.
Article in English | MEDLINE | ID: mdl-38863932

ABSTRACT

Background: Serum lipids were found to be correlated with chronic kidney disease and cardiovascular disease. Here, we aimed to research the potential causal associations between five serum lipid parameters and the risk of diabetic nephropathy using several Mendelian Randomization methods. Methods: Genetic data was obtained from the UK Biobank datasets. Causal effects were estimated using multiple MR methods. Heterogeneity and pleiotropy tests were performed. Results: MR analysis revealed that HDL-C and TG exhibited causal associations with diabetic nephropathy (P<0.05). Similar trends were not observed for other lipid parameters. Conclusions: Our research has suggested links between HDL-C, TG and diabetic nephropathy. The findings could contribute to further elucidation of the disease etiology. Strengths and limitations of this study: This article only uses Mendel randomization method to analyze the relationship between blood lipids and diabetes nephropathy, which is more convincing when combined with population data.


Subject(s)
Diabetic Nephropathies , Mendelian Randomization Analysis , Humans , Diabetic Nephropathies/blood , Diabetic Nephropathies/genetics , Diabetic Nephropathies/epidemiology , Lipids/blood , Cholesterol, HDL/blood , Triglycerides/blood , Male , Female , Polymorphism, Single Nucleotide , Risk Factors , Middle Aged
4.
Front Endocrinol (Lausanne) ; 15: 1357294, 2024.
Article in English | MEDLINE | ID: mdl-38872969

ABSTRACT

Objective: To investigate the correlation between vibration sensory threshold (VPT) and renal function, including glomerulus and renal tubule, in patients with type 2 diabetes mellitus (T2DM). Methods: A total of 1274 patients with T2DM who were enrolled in the Department of Endocrinology of the First Affiliated Hospital of Fujian Medical University between January 2017 and June 2020 were included. Patients were grouped according to VPT levels and divided into three groups, including the normal VPT group (VPT<15V), the mild-moderate elevated VPT group (VPT15~25V), and the severely elevated VPT group (VPT≥25 V). Linear correlation analysis was used to analyze the correlation between VPT and renal functions, including glomerulus markers urine microalbumin (MA) and urinary immunoglobulin G (U-IgG), and renal tubule marker α1-microglobulin (α1-MG). Chronic kidney disease (CKD) was defined according to Kidney Disease Improving Global Outcomes (KDIGO) criteria. The binary logistic regression of the relation between VPT and CKD, eGFR<60 ml/min, and UACR >30 mg/g were expressed. Results: In the mild-moderate and severely elevated VPT group, injury biomarkers of glomerulus (MA and U-IgG), renal tubule (α1-MG), and the incidence of CKD, eGFR<60 ml/min, and UACR > 30 mg/g were gradually increased compared with the normal VPT group. Furthermore, patients with diabetes and severely elevated VPT had significantly higher levels of MA (ß=197.54, p=0.042) and α1-MG (ß=11.69, p=0.023) compared to those with normal VPT. Also, patients with mild-moderate elevated VPT demonstrate significantly higher levels of MA (ß=229.02, p=0.005). Patients in mild-moderate elevated VPT group (OR=1.463, 95% CI 1.005-2.127; OR=1.816, 95% CI 1.212-2.721) and severely elevated VPT group (OR=1.704, 95% CI 1.113-2.611; OR=2.027, 95% CI 1.248-3.294) are at a higher incidence of CKD and elevated levels of UACR>30mg/g compared to those in the VPT normal group. Moreover, the incidence of positive Upro was notably higher in the severely elevated VPT group (OR=1.738, 95% CI 1.182-2.556). However, this phenomenon was not observed in the incidence of eGFR <60 ml/min. Conclusion: A higher VPT is positively associated with the incidence of CKD in patients with T2DM, particularly with elevated UACR. VPT may serve as a marker for glomerulus and renal tubule injury.


Subject(s)
Diabetes Mellitus, Type 2 , Sensory Thresholds , Vibration , Humans , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/physiopathology , Female , Male , Middle Aged , Aged , Sensory Thresholds/physiology , Glomerular Filtration Rate , Renal Insufficiency, Chronic/physiopathology , Renal Insufficiency, Chronic/epidemiology , Diabetic Nephropathies/physiopathology , Diabetic Nephropathies/etiology , Diabetic Nephropathies/epidemiology , Adult , Kidney Function Tests , Kidney Tubules/physiopathology , Kidney/physiopathology
5.
Cardiovasc Diabetol ; 23(1): 204, 2024 Jun 15.
Article in English | MEDLINE | ID: mdl-38879473

ABSTRACT

BACKGROUND: Diabetic kidney disease is an established risk factor for heart failure. However, the impact of incident heart failure on the subsequent risk of renal failure has not been systematically assessed in diabetic population. We sought to study the risk of progression to end stage kidney disease (ESKD) after incident heart failure in Asian patients with type 2 diabetes. METHODS: In this prospective cohort study, 1985 outpatients with type 2 diabetes from a regional hospital and a primary care facility in Singapore were followed for a median of 8.6 (interquartile range 6.2-9.6) years. ESKD was defined as a composite of progression to sustained eGFR below 15 ml/min/1.73m2, maintenance dialysis or renal death, whichever occurred first. RESULTS: 180 incident heart failure events and 181 incident ESKD events were identified during follow-up. Of 181 ESKD events, 38 (21%) occurred after incident heart failure. Compared to those did not progress to ESKD after incident heart failure (n = 142), participants who progressed to ESKD after heart failure occurrence were younger, had higher HbA1c and higher urine albumin-to-creatinine ratio at baseline. The excess risk of ESKD manifested immediately after heart failure occurrence, persisted for two years and was moderated thereafter. Cox regression suggested that, compared to counterparts with no heart failure event, participants with heart failure occurrence had 9.6 (95% CI 5.0- 18.3) fold increased risk for incident ESKD after adjustment for baseline cardio-renal risk factors including eGFR and albuminuria. It appeared that heart failure with preserved ejection fraction had a higher risk for ESKD as compared to those with reduced ejection fraction (adjusted HR 13.7 [6.3-29.5] versus 6.5 [2.3-18.6]). CONCLUSION: Incident heart failure impinges a high risk for progression to ESKD in individuals with type 2 diabetes. Our data highlight the need for intensive surveillance of kidney function after incident heart failure, especially within the first two years after heart failure diagnosis.


Subject(s)
Diabetes Mellitus, Type 2 , Diabetic Nephropathies , Disease Progression , Glomerular Filtration Rate , Heart Failure , Kidney Failure, Chronic , Kidney , Humans , Heart Failure/epidemiology , Heart Failure/diagnosis , Heart Failure/physiopathology , Diabetes Mellitus, Type 2/diagnosis , Diabetes Mellitus, Type 2/epidemiology , Male , Female , Middle Aged , Risk Factors , Aged , Prospective Studies , Incidence , Time Factors , Diabetic Nephropathies/epidemiology , Diabetic Nephropathies/diagnosis , Diabetic Nephropathies/physiopathology , Kidney Failure, Chronic/epidemiology , Kidney Failure, Chronic/diagnosis , Kidney Failure, Chronic/physiopathology , Risk Assessment , Singapore/epidemiology , Kidney/physiopathology , Prognosis , Biomarkers/blood
6.
BMJ Open Diabetes Res Care ; 12(3)2024 Jun 19.
Article in English | MEDLINE | ID: mdl-38901857

ABSTRACT

INTRODUCTION: The overall aim of this study was to evaluate the implementation of sodium-glucose cotransporter 2 inhibitors (SGLT2i) among patients in tertiary care with type 2 diabetes mellitus (T2DM) and chronic kidney disease (CKD). RESEARCH DESIGN AND METHODS: The cross-sectional analysis was based on outpatients in tertiary diabetes care enrolled in the Swiss Diabetes Registry with T2DM and a study visit January 1, 2020-March 31, 2021. Prevalence of CKD was ascertained as an estimated glomerular filtration rate <60 mL/min/1.73 m2 and/or persistent albuminuria as defined by Kidney Disease Improving Global Outcomes, and the proportion of patients prescribed SGLT2i was determined. Documented reasons for non-treatment with SGLT2i were extracted by a retrospective review of the medical records. RESULTS: Of 368 patients with T2DM, 1.1% (n=4) were excluded due to missing data. Of the remaining 364 patients, 47.3% (n=172) had CKD of which 32.6% (n=56) were prescribed SGLT2i. The majority (75%) of these patients were on treatment already in 2018, before the renoprotective effects of SGLT2i were established. Among the 116 patients without SGLT2i, 19.0% had known contraindications, 9.5% stopped treatment due to adverse events, 5.2% had other reasons, and no underlying reason for non-treatment could be identified for 66.4%. CONCLUSIONS: A divergence between recommended standard of care and implementation in daily clinical practice was observed. Although treatment should always consider patient-specific circumstances, the results highlight the need to reinforce current treatment recommendations to ensure patients benefit from the best available care.


Subject(s)
Diabetes Mellitus, Type 2 , Glomerular Filtration Rate , Renal Insufficiency, Chronic , Sodium-Glucose Transporter 2 Inhibitors , Tertiary Healthcare , Humans , Sodium-Glucose Transporter 2 Inhibitors/therapeutic use , Diabetes Mellitus, Type 2/drug therapy , Diabetes Mellitus, Type 2/complications , Female , Male , Renal Insufficiency, Chronic/epidemiology , Renal Insufficiency, Chronic/drug therapy , Cross-Sectional Studies , Middle Aged , Aged , Retrospective Studies , Switzerland/epidemiology , Registries , Diabetic Nephropathies/epidemiology , Diabetic Nephropathies/drug therapy , Diabetic Nephropathies/etiology , Prognosis , Follow-Up Studies
8.
Diabetes Metab Res Rev ; 40(4): e3810, 2024 May.
Article in English | MEDLINE | ID: mdl-38757431

ABSTRACT

BACKGROUND: Metabolic dysfunction-associated fatty liver disease (MAFLD, 2020 diagnostic criteria) and glomerular hyperfiltration share common risk factors, including obesity, insulin resistance, impaired glucose tolerance, diabetes, dyslipidemia, and hypertension. AIMS: To assess the prevalence of MAFLD and its association with glomerular hyperfiltration and age-related worsening of kidney function in subjects with normoglycemia, prediabetes and type 2 diabetes mellitus (T2DM). METHODS: We analysed data recorded during occupational health visits of 125,070 Spanish civil servants aged 18-65 years with a de-indexed glomerular filtration rate (GFR) estimated with the chronic-kidney-disease-epidemiological (CKD-EPI) equation (estimated glomerular filtration rate [eGFR]) ≥60 mL/min. Subjects were categorised according to fasting plasma glucose levels <100 mg/dL (normoglycemia), ≥100 and ≤ 125 mg/dL (prediabetes), or ≥126 mg/dL and/or antidiabetic treatment (T2DM). The association between MAFLD and glomerular hyperfiltration, defined as a de-indexed eGFR above the age- and gender-specific 95th percentile, was assessed by multivariable logistic regression. RESULTS: In the whole study group, MAFLD prevalence averaged 19.3%. The prevalence progressively increased from 14.7% to 33.2% and to 48.9% in subjects with normoglycemia, prediabetes and T2DM, respectively (p < 0.001 for trend). Adjusted odds ratio (95% CI) for the association between MAFLD and hyperfiltration was 9.06 (8.53-9.62) in the study group considered as a whole, and 8.60 (8.03-9.21), 9.52 (8.11-11.18) and 8.31 (6.70-10.30) in subjects with normoglycemia, prediabetes and T2DM considered separately. In stratified analyses, MAFLD amplified age-dependent eGFR decline in all groups (p < 0.001). CONCLUSIONS: MAFLD prevalence increases across the glycaemic spectrum. MAFLD is significantly associated with hyperfiltration and amplifies the age-related eGFR decline.


Subject(s)
Diabetes Mellitus, Type 2 , Glomerular Filtration Rate , Prediabetic State , Humans , Diabetes Mellitus, Type 2/epidemiology , Diabetes Mellitus, Type 2/physiopathology , Diabetes Mellitus, Type 2/complications , Prediabetic State/epidemiology , Prediabetic State/physiopathology , Male , Female , Middle Aged , Cross-Sectional Studies , Adult , Aged , Young Adult , Adolescent , Blood Glucose/analysis , Risk Factors , Prevalence , Non-alcoholic Fatty Liver Disease/epidemiology , Non-alcoholic Fatty Liver Disease/physiopathology , Prognosis , Follow-Up Studies , Biomarkers/blood , Biomarkers/analysis , Diabetic Nephropathies/epidemiology , Diabetic Nephropathies/physiopathology , Diabetic Nephropathies/etiology
9.
J Pak Med Assoc ; 74(5): 862-867, 2024 May.
Article in English | MEDLINE | ID: mdl-38783431

ABSTRACT

Objectives: To determine the association of triglyceride-glucose index with homeostasis model assessment of insulin resistance in type 2 diabetes mellitus patients, and to determine the association of triglyceride-glucose index with urinary albumin-to-creatinine ratio for predicting diabetic nephropathy. METHODS: The observational, cross-sectional study was conducted from September 2021 to September 2022 at the Department of Chemical Pathology, Pakistan Railway Hospital, Rawalpindi, Pakistan and comprised recently-diagnosed type 2 diabetes mellitus patients. Recorded data included age, gender, vitals, diabetes duration, body mass index and other pertinent demographic and clinical information. Measurements included spot urine albumin-to-creatinine ratio, triglycerideglucose index, homeostasis model assesment of insulin resistance as well as fasting serum insulin, fasting plasma glucose, glycosylated haemoglobin, triglycerides, total cholesterol and serum creatinine. On the basis of triglyceride-glucose index scores, the participants were divided into 4 quartiles; Q1=4.5-5, Q2=5.1-5.5, Q3=5.6-6, and Q4=>6. Data was analysed using SPSS 26. RESULTS: Of the 218 patients, 141(64.7%) were females and 77(35.3%) were males. The overall mean age was 49.22±11.46 years. There were 102(46.8%) overweight patients, 33(15.1%) obese and 82(37.2%) had normal weight. There were 58(26.6%) patients in Q1, 86(39.4%) in Q2, 46(21.1%) in Q3 and 28(12.8%) in Q4. Those in Q4 showed elevated fasting plasma glucose, glycated haemoglobin, triglycerides, total cholesterol, low-density lipoprotein cholesterol, homeostasis model assessment of insulin resistance and urine albumin-to-creatinine ratio (p<0.05), as well as low values for high-density lipoprotein cholesterol and estimated glomerular filtration rate(p<0.05). Fasting serum insulin was negatively linked to glycated haemoglobin (r=-0.12, p=0.07). Triglyceride-glucose index (r=0.76, p<0.001), homeostasis model assessment of insulin resistance (r=0.48, p<0.001), and urine albumin-to-creatinine ratio (r=0.10,p=0.05) positively correlated with glycated haemoglobin. Fasting serum insulin (r=-0.13, p=0.05), negatively correlated with triglyceride-glucose index, while homeostasis model assessment of insulin resistance (r= 0.32, p<0.001) and urine albumin-to-creatinine ratio (r=0.28, p=0.05) had a positive correlation. The estimated glomerular filtration rate was significantly positively linked with fasting serum insulin (r=0.05, p=0.05), and correlated significantly negatively with triglyceride-glucose index (r=-0.35, p=0.01), homeostasis model assessment of insulin resistance (r=-0.01, p=0.86) and urine albumin-to-creatinine ratio (r=-0.02, p=0.8). CONCLUSIONS: The triglyceride-glucose index showed a strong association with homeostasis model assessment of insulin resistance, and surpassed it in terms of predicting diabetic nephropathy in type 2 diabetes mellitus patients.


Subject(s)
Biomarkers , Blood Glucose , Creatinine , Diabetes Mellitus, Type 2 , Diabetic Nephropathies , Homeostasis , Insulin Resistance , Triglycerides , Humans , Male , Female , Triglycerides/blood , Middle Aged , Diabetic Nephropathies/diagnosis , Diabetic Nephropathies/physiopathology , Diabetic Nephropathies/blood , Diabetic Nephropathies/epidemiology , Diabetes Mellitus, Type 2/epidemiology , Cross-Sectional Studies , Blood Glucose/metabolism , Blood Glucose/analysis , Adult , Biomarkers/blood , Biomarkers/urine , Creatinine/blood , Creatinine/urine , Albuminuria , Pakistan/epidemiology , Glycated Hemoglobin/metabolism , Glycated Hemoglobin/analysis , Cholesterol/blood
10.
J Diabetes Complications ; 38(6): 108762, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38703638

ABSTRACT

In a cohort of 1817 children with type 1 diabetes (T1D), short-term hyperglycemia was associated with transient albuminuria (11 % during new-onset T1D without diabetic ketoacidosis (DKA), 12 % during/after DKA, 6 % during routine screening). Our findings have implications regarding future risk of diabetic kidney disease and further investigation is needed.


Subject(s)
Albuminuria , Diabetes Mellitus, Type 1 , Diabetic Nephropathies , Hyperglycemia , Humans , Diabetes Mellitus, Type 1/complications , Hyperglycemia/complications , Male , Female , Child , Diabetic Nephropathies/diagnosis , Diabetic Nephropathies/complications , Diabetic Nephropathies/epidemiology , Adolescent , Diabetic Ketoacidosis/complications , Cohort Studies , Severity of Illness Index , Child, Preschool
11.
J Diabetes Complications ; 38(6): 108765, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38749295

ABSTRACT

BACKGROUND: This post-hoc study investigated whether biomarkers reflecting extracellular matrix (ECM) turnover predicted cardiovascular disease (CVD), mortality, and progression of diabetic kidney disease (DKD) in individuals with type 2 diabetes (T2D) and microalbuminuria. METHODS: Serum levels of specific ECM turnover biomarkers were assessed in 192 participants with T2D and microalbuminuria from an observational study conducted at Steno Diabetes Center Copenhagen from 2007 to 2008. Endpoints included CVD events, mortality, and DKD progression, defined as decline in estimated glomerular filtration rate (eGFR) of >30 %. RESULTS: Participants had a mean age of 59 years, with 75 % males. Over a median follow-up of 4.9 to 6.3 years, the study recorded 38 CVD events, 24 deaths, and 40 DKD events. Elevated levels of a degradation fragment of collagen type I (C1M) were associated with an increased risk of >30 % eGFR decline, although this association was not independent of other risk factors. No significant associations were found between other ECM turnover biomarkers and DKD progression, mortality, or CVD risk. CONCLUSION: Elevated C1M levels were linked to DKD progression in individuals with T2D and microalbuminuria, but not independently of other risk factors. None of the ECM turnover biomarkers were associated with CVD or mortality.


Subject(s)
Albuminuria , Biomarkers , Cardiovascular Diseases , Diabetes Mellitus, Type 2 , Diabetic Nephropathies , Disease Progression , Extracellular Matrix Proteins , Humans , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/blood , Male , Middle Aged , Female , Albuminuria/blood , Biomarkers/blood , Aged , Diabetic Nephropathies/blood , Diabetic Nephropathies/diagnosis , Diabetic Nephropathies/epidemiology , Diabetic Nephropathies/physiopathology , Cardiovascular Diseases/epidemiology , Cardiovascular Diseases/etiology , Extracellular Matrix Proteins/blood , Denmark/epidemiology , Risk Factors , Glomerular Filtration Rate , Extracellular Matrix/metabolism , Collagen Type I/blood , Diabetic Angiopathies/epidemiology , Diabetic Angiopathies/blood , Diabetic Angiopathies/diagnosis , Follow-Up Studies
12.
J Am Heart Assoc ; 13(11): e032626, 2024 Jun 04.
Article in English | MEDLINE | ID: mdl-38818935

ABSTRACT

BACKGROUND: Diabetic vascular complications share common pathophysiological mechanisms, but the relationship between diabetes-related macrovascular complications (MacroVCs) and incident diabetic microvascular complications remains unclear. We aimed to investigate the impact of MacroVCs on the risk of microvascular complications. METHODS AND RESULTS: There were 1518 participants with type 1 diabetes (T1D) and 20 802 participants with type 2 diabetes from the UK Biobank included in this longitudinal cohort study. MacroVCs were defined by the presence of macrovascular diseases diagnosed after diabetes at recruitment, including coronary heart disease, peripheral artery disease, stroke, and ≥2 MacroVCs. The primary outcome was incident microvascular complications, a composite of diabetic retinopathy, diabetic kidney disease, and diabetic neuropathy. During a median (interquartile range) follow-up of 11.61 (5.84-13.12) years and 12.2 (9.50-13.18) years, 596 (39.3%) and 4113 (19.8%) participants developed a primary outcome in T1D and type 2 diabetes, respectively. After full adjustment for conventional risk factors, Cox regression models showed significant associations between individual as well as cumulative MacroVCs and the primary outcome, except for coronary heart disease in T1D (T1D: diabetes coronary heart disease: 1.25 [0.98-1.60]; diabetes peripheral artery disease: 3.00 [1.86-4.84]; diabetes stroke: 1.71 [1.08-2.72]; ≥2: 2.57 [1.66-3.99]; type 2 diabetes: diabetes coronary heart disease: 1.59 [1.38-1.82]; diabetes peripheral artery disease: 1.60 [1.01-2.54]; diabetes stroke: 1.50 [1.13-1.99]; ≥2: 2.66 [1.92-3.68]). Subgroup analysis showed that strict glycemic (glycated hemoglobin <6.5%) and blood pressure (<140/90 mm Hg) control attenuated the association. CONCLUSIONS: Individual and cumulative MacroVCs confer significant risk of incident microvascular complications in patients with T1D and type 2 diabetes. Our results may facilitate cost-effective high-risk population identification and development of precise prevention strategies.


Subject(s)
Diabetes Mellitus, Type 1 , Diabetes Mellitus, Type 2 , Diabetic Angiopathies , Humans , Diabetes Mellitus, Type 1/complications , Diabetes Mellitus, Type 1/epidemiology , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/epidemiology , Male , Female , Diabetic Angiopathies/epidemiology , Diabetic Angiopathies/etiology , Diabetic Angiopathies/diagnosis , Middle Aged , United Kingdom/epidemiology , Prospective Studies , Risk Factors , Adult , Incidence , Risk Assessment/methods , Aged , Diabetic Nephropathies/epidemiology , Biological Specimen Banks , Diabetic Retinopathy/epidemiology , Diabetic Retinopathy/etiology , Diabetic Neuropathies/epidemiology , Diabetic Neuropathies/etiology , UK Biobank
13.
BMJ Open Diabetes Res Care ; 12(3)2024 May 30.
Article in English | MEDLINE | ID: mdl-38816203

ABSTRACT

INTRODUCTION: The Look AHEAD randomized clinical trial reported that an 8-year intensive lifestyle intervention (ILI) compared with diabetes support and education (DSE) in adults aged 45-76 years with type 2 diabetes and overweight/obesity delayed kidney disease progression. Here, we report long-term post-intervention follow-up for the trial's secondary outcome of kidney disease. RESEARCH DESIGN AND METHODS: We examined effects of ILI (n=2570) versus DSE (n=2575) on decline in estimated glomerular filtration rate (eGFR) to <45 mL/min/1.73 m2 or need for kidney replacement therapy (KRT: dialysis or kidney transplant) during intervention and post-intervention follow-up (median 15.6 years overall). RESULTS: Incidence of eGFR <45 mL/min/1.73 m2 was lower in ILI during the intervention (HR=0.80, 95% CI=0.66 to 0.98) but not post-intervention (HR=1.03, 0.86 to 1.23) or overall (HR=0.92, 0.80 to 1.04). There were no significant treatment group differences in KRT. In prespecified subgroup analyses, age×treatment interactions were significant over total follow-up: p=0.001 for eGFR <45 mL/min/1.73 m2 and p=0.01 for KRT. The 2205 participants aged >60 years at baseline had benefit in both kidney outcomes during intervention and overall (HR=0.75, 0.62 to 0.90 for eGFR <45 mL/min/1.73 m2; HR=0.62, 0.43 to 0.91 for KRT). The absolute treatment effects were greater post-intervention: ILI reduced the rate of eGFR <45 mL/min/1.73 m2 by 0.46 and 0.76 cases/100 person-years during and post-intervention, respectively; and reduced KRT by 0.15 and 0.21 cases/100 person-years. The younger participants experienced no such post-intervention benefits. CONCLUSIONS: ILI reduced kidney disease progression during and following the active intervention in persons aged ≥60 years. ILI should be considered for reducing kidney disease incidence in older persons with type 2 diabetes.


Subject(s)
Diabetes Mellitus, Type 2 , Glomerular Filtration Rate , Life Style , Obesity , Overweight , Humans , Diabetes Mellitus, Type 2/therapy , Diabetes Mellitus, Type 2/complications , Middle Aged , Male , Female , Aged , Obesity/therapy , Overweight/therapy , Overweight/complications , Follow-Up Studies , Disease Progression , Diabetic Nephropathies/therapy , Diabetic Nephropathies/prevention & control , Diabetic Nephropathies/etiology , Diabetic Nephropathies/epidemiology , Risk Reduction Behavior , Prognosis
14.
BMJ Open Diabetes Res Care ; 12(3)2024 May 30.
Article in English | MEDLINE | ID: mdl-38816204

ABSTRACT

INTRODUCTION: We compared the kidney outcomes between patients with diabetic kidney disease (DKD) aged ≥75 years initiating sodium-glucose cotransporter 2 (SGLT2) inhibitors versus other glucose-lowering drugs, additionally presenting with or without proteinuria. RESEARCH DESIGN AND METHODS: Using the Japan Chronic Kidney Disease Database, we developed propensity scores, implementing a 1:1 matching protocol. The primary outcome included the decline rate in estimated glomerular filtration rate (eGFR), and secondary outcomes incorporated a composite of a 40% reduction in eGFR or progression to end-stage kidney disease. RESULTS: At baseline, the mean age at initiation of SGLT2 inhibitors (n=348) or other glucose-lowering medications (n=348) was 77.7 years. The mean eGFR was 59.3 mL/min/1.73m2 and proteinuria was 230 (33.0%) patients. Throughout the follow-up period, the mean annual rate of eGFR change was -0.80 mL/min/1.73 m2/year (95% CI -1.05 to -0.54) among SGLT2 inhibitors group and -1.78 mL/min/1.73 m2/year (95% CI -2.08 to -1.49) in other glucose-lowering drugs group (difference in the rate of eGFR decline between the groups was 0.99 mL/min/1.73 m2/year (95% CI 0.5 to 1.38)), favoring SGLT2 inhibitors (p<0.001). Composite renal outcomes were observed 38 in the SGLT2 inhibitors group and 57 in the other glucose-lowering medications group (HR 0.64, 95% CI 0.42 to 0.97). There was no evidence of an interaction between SGLT2 inhibitors initiation and proteinuria. CONCLUSIONS: The benefits of SGLT2 inhibitors on renal outcomes are also applicable to older patients with DKD aged≥75 years.


Subject(s)
Databases, Factual , Diabetic Nephropathies , Glomerular Filtration Rate , Sodium-Glucose Transporter 2 Inhibitors , Humans , Sodium-Glucose Transporter 2 Inhibitors/therapeutic use , Female , Male , Aged , Japan/epidemiology , Diabetic Nephropathies/drug therapy , Diabetic Nephropathies/epidemiology , Renal Insufficiency, Chronic/drug therapy , Renal Insufficiency, Chronic/epidemiology , Aged, 80 and over , Diabetes Mellitus, Type 2/drug therapy , Diabetes Mellitus, Type 2/complications , Follow-Up Studies , Disease Progression , Hypoglycemic Agents/therapeutic use , Prognosis , Treatment Outcome
15.
Diabetes Obes Metab ; 26(7): 2796-2810, 2024 Jul.
Article in English | MEDLINE | ID: mdl-38695216

ABSTRACT

AIM: The paradoxical protective association between overweight/obesity and diabetic microvascular complications (DMC), a phenomenon well-known as the obesity paradox, has been considered a non-causal association based on methodological influences. We aimed to investigate the association of generalized and abdominal obesity, as measured by body mass index (BMI) and waist circumference (WC), respectively, with DMC in patients with type 2 diabetes (T2D), using a causal inference approach. MATERIALS AND METHODS: We enrolled 1436 patients with clinically diagnosed T2D but not DMC at baseline in a community-based prospective cohort in China between 2017 and 2019 and followed them annually until 2022 with new-onset DMC recorded. Marginal structural Cox models with inverse probability weighting were constructed to determine the causal association. Subgroup analyses were performed to identify potential effect modifiers. RESULTS: We observed 360 incident DMC cases, including 109 cases of diabetic nephropathy (DN) and 277 cases of diabetic retinopathy (DR) during four follow-up visits. Multivariable-adjusted hazard ratios (95% confidence intervals) for overall DMC, DN and DR were 1.037 (1.005-1.071), 1.117 (1.062-1.175) and 1.018 (0.980-1.059) for 1 kg/m2 increase in BMI, and 1.005 (0.994-1.017), 1.034 (1.018-1.051) and 1.000 (0.987-1.014) for 1 cm increase in WC, respectively. Similar patterns were observed across the BMI and WC categories, while the positive association appeared to be more pronounced in women. CONCLUSIONS: Generalized but not abdominal obesity was associated with an increased risk for the overall DMC, whereas both obesities were causally related to DN, albeit not DR, in T2D. Routine weight management should not be neglected in diabetes care, particularly in women.


Subject(s)
Diabetes Mellitus, Type 2 , Diabetic Angiopathies , Obesity, Abdominal , Obesity , Humans , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/epidemiology , Female , Obesity, Abdominal/complications , Obesity, Abdominal/epidemiology , Male , Middle Aged , Prospective Studies , Diabetic Angiopathies/epidemiology , Diabetic Angiopathies/etiology , Aged , China/epidemiology , Obesity/complications , Obesity/epidemiology , Body Mass Index , Waist Circumference , Diabetic Retinopathy/epidemiology , Diabetic Retinopathy/etiology , Risk Factors , Adult , Diabetic Nephropathies/epidemiology , Diabetic Nephropathies/etiology , Diabetic Nephropathies/complications , Incidence
16.
Diabetes Obes Metab ; 26(7): 2905-2914, 2024 Jul.
Article in English | MEDLINE | ID: mdl-38719436

ABSTRACT

AIM: Sodium-glucose cotransporter 2 (SGLT2) inhibitors often cause a transient decrease in glomerular filtration rate (GFR) shortly after the initiation, referred to as the 'initial drop'. However, the clinical significance of this initial drop in real-world practice remains unclear. MATERIALS AND METHODS: Using the nationwide Japan Chronic Kidney Disease Database, we examined factors that affected the initial drop, in patients with chronic kidney disease (CKD) and type 2 diabetes mellitus (T2DM). We also evaluated the effects of the initial drop on a composite kidney outcome (a decline in GFR of ≥50% or progression to end-stage kidney disease). RESULTS: Data from 2053 patients with CKD and T2DM newly prescribed an SGLT2 inhibitor were analysed. The follow-up period after SGLT2 inhibitor administration was 1015 days (interquartile range: 532, 1678). Multivariate linear regression models revealed that the concomitant use of the renin-angiotensin system inhibitors and diuretics, urinary protein levels ≥2+, and changes in GFR before the initiation of the SGLT2 inhibitor were associated with a larger initial GFR decline (ß = -0.609, p = .039; ß = -2.298, p < .001; ß = -0.936, p = .048; ß = -0.079, p < .001, respectively). Patients in the quartile with the largest initial GFR decline experienced a higher incidence of the subsequent composite kidney outcome than those in the other quartiles (p < .001). CONCLUSIONS: The concomitant use of renin-angiotensin system inhibitors and diuretics, higher urine protein levels and pre-treatment GFR changes were associated with a larger initial GFR decline. Of these factors, the use of a diuretic had the largest effect. Furthermore, patients with CKD and T2DM experiencing an excessive initial GFR drop might be at a higher risk of adverse kidney outcomes.


Subject(s)
Databases, Factual , Diabetes Mellitus, Type 2 , Diabetic Nephropathies , Disease Progression , Glomerular Filtration Rate , Renal Insufficiency, Chronic , Sodium-Glucose Transporter 2 Inhibitors , Humans , Sodium-Glucose Transporter 2 Inhibitors/therapeutic use , Sodium-Glucose Transporter 2 Inhibitors/adverse effects , Glomerular Filtration Rate/drug effects , Diabetes Mellitus, Type 2/drug therapy , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/physiopathology , Male , Female , Japan/epidemiology , Renal Insufficiency, Chronic/epidemiology , Renal Insufficiency, Chronic/physiopathology , Renal Insufficiency, Chronic/complications , Middle Aged , Aged , Diabetic Nephropathies/epidemiology , Diabetic Nephropathies/physiopathology , Kidney/drug effects , Kidney/physiopathology
17.
Cardiovasc Diabetol ; 23(1): 152, 2024 May 03.
Article in English | MEDLINE | ID: mdl-38702680

ABSTRACT

BACKGROUND: Insulin resistance and chronic kidney disease are both associated with increased coronary artery disease risk. Many formulae estimating glucose disposal rate in type 1 diabetes infer insulin sensitivity from clinical data. We compare associations and performance relative to traditional risk factors and kidney disease severity between three formulae estimating the glucose disposal rate and coronary artery disease in people with type 1 diabetes. METHODS: The baseline glucose disposal rate was estimated by three (Williams, Duca, and Januszewski) formulae in FinnDiane Study participants and related to subsequent incidence of coronary artery disease, by baseline kidney status. RESULTS: In 3517 adults with type 1 diabetes, during median (IQR) 19.3 (14.6, 21.4) years, 539 (15.3%) experienced a coronary artery disease event, with higher rates with worsening baseline kidney status. Correlations between the three formulae estimating the glucose disposal rate were weak, but the lowest quartile of each formula was associated with higher incidence of coronary artery disease. Importantly, only the glucose disposal rate estimation by Williams showed a linear association with coronary artery disease risk in all analyses. Of the three formulae, Williams was the strongest predictor of coronary artery disease. Only age and diabetes duration were stronger predictors. The strength of associations between estimated glucose disposal rate and CAD incidence varied by formula and kidney status. CONCLUSIONS: In type 1 diabetes, estimated glucose disposal rates are associated with subsequent coronary artery disease, modulated by kidney disease severity. Future research is merited regarding the clinical usefulness of estimating the glucose disposal rate as a coronary artery disease risk factor and potential therapeutic target.


Subject(s)
Biomarkers , Blood Glucose , Coronary Artery Disease , Diabetes Mellitus, Type 1 , Insulin Resistance , Humans , Diabetes Mellitus, Type 1/epidemiology , Diabetes Mellitus, Type 1/diagnosis , Diabetes Mellitus, Type 1/blood , Diabetes Mellitus, Type 1/complications , Coronary Artery Disease/epidemiology , Coronary Artery Disease/diagnosis , Coronary Artery Disease/blood , Male , Female , Adult , Incidence , Middle Aged , Risk Assessment , Time Factors , Blood Glucose/metabolism , Biomarkers/blood , Finland/epidemiology , Longitudinal Studies , Risk Factors , Diabetic Nephropathies/epidemiology , Diabetic Nephropathies/diagnosis , Prognosis , Predictive Value of Tests , Renal Insufficiency, Chronic/epidemiology , Renal Insufficiency, Chronic/diagnosis , Renal Insufficiency, Chronic/physiopathology , Renal Insufficiency, Chronic/blood , Kidney/physiopathology , Insulin/blood , Insulin/therapeutic use , Young Adult , Severity of Illness Index
18.
Kidney Blood Press Res ; 49(1): 377-384, 2024.
Article in English | MEDLINE | ID: mdl-38754398

ABSTRACT

INTRODUCTION: Diabetic kidney disease (DKD) affects 30-40% of patients with diabetes. The prevalence of nondiabetic kidney disease (NDKD) in patients with type 2 diabetes mellitus (T2D) in Egypt is unknown. This study aimed to assess the prevalence of NDKD in patients with T2D in Egypt. METHODS: In this cross-sectional study, we searched the data of patients with T2D who underwent a native kidney biopsy between January 2010 and December 2020 in a kidney pathology laboratory in Egypt. RESULTS: Of 12,006 patients who underwent kidney biopsy, 677 patients had T2D. NDKD was found in 285 patients (42.7%), DKD in 220 patients (33%), and mixed DKD and NDKD in 162 patients (24.3%). The total prevalence of NDKD was 67% in patients with T2D in our study group. Membranous nephropathy was the most common histopathological disease in patients with NDKD (20.6%) followed by acute tubular injury (ATI) (19.2%) and focal segmental glomerulosclerosis (15.2%). The presence of ATI in a kidney biopsy was associated with a significantly higher mean serum creatine level (p < 0.001). Minimal change disease was associated with a significantly higher proteinuria level (p < 0.001). In binary logistic regression analysis, combining NDKD and mixed groups, the duration of diabetes was a negative predictor of NDKD, with a longer duration decreasing the likelihood of NDKD. CONCLUSION: NDKD is prevalent among patients with T2D who underwent a kidney biopsy. Kidney biopsy remains the gold standard for diagnosing NDKD in patients with T2D.


Subject(s)
Diabetes Mellitus, Type 2 , Humans , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/pathology , Egypt/epidemiology , Cross-Sectional Studies , Male , Female , Middle Aged , Biopsy , Adult , Prevalence , Diabetic Nephropathies/pathology , Diabetic Nephropathies/epidemiology , Kidney/pathology , Kidney Diseases/pathology , Kidney Diseases/etiology , Kidney Diseases/epidemiology , Kidney Diseases/diagnosis , Aged
19.
Sci Rep ; 14(1): 10344, 2024 05 06.
Article in English | MEDLINE | ID: mdl-38710706

ABSTRACT

Diabetic nephropathy (DN) is one of the most prevalent and severe complications of diabetes mellitus (DM) and is associated with increased morbidity and mortality. We aimed to investigate the associations between red, processed, and white meat consumption and the odds of developing kidney damage and DN in women. We enrolled 105 eligible women with DN and 105 controls (30-65 years). A validated and reliable food frequency questionnaire (FFQ) was used to evaluate the consumption of red, processed, and white meat. Biochemical variables and anthropometric measurements were assessed for all patients using pre-defined protocols. Binary logistic regression was conducted to examine possible associations. The results of the present study showed that there was a direct significant association between high consumption of red meat and processed meats and odds of microalbuminuria (red meat 2.30, 95% CI 1.25, 4.22; P-value = 0.007, processed meat: OR 2.16, 95% CI 1.18, 3.95; P-value = 0.01), severe albuminuria (red meat OR 3.25, 95% CI 1.38, 7.46; P-value = 0.007, processed meat: OR 2.35, 95% CI 1.01, 5.49; P-value = 0.04), BUN levels (red meat: OR 2.56, 95% CI 1.10, 5.93; P-value = 0.02, processed meat: OR 2.42, 95% CI 1.04, 5.62; P-value = 0.03), and DN (red meat 2.53, 95% CI 1.45, 4.42; P-value = 0.001, processed meat: OR 2.21; 95% CI 1.27, 3.85; P-value = 0.005). In summary, our study suggests that higher consumption of red and processed meat sources may be associated with microalbuminuria, severe albuminuria, higher BUN level, and higher odds of DN.


Subject(s)
Diabetic Nephropathies , Humans , Female , Middle Aged , Diabetic Nephropathies/etiology , Diabetic Nephropathies/pathology , Diabetic Nephropathies/epidemiology , Case-Control Studies , Adult , Aged , Albuminuria , Meat/adverse effects , Risk Factors , Red Meat/adverse effects , Meat Products/adverse effects
20.
Endocrinol Diabetes Metab ; 7(3): e488, 2024 May.
Article in English | MEDLINE | ID: mdl-38718275

ABSTRACT

INTRODUCTION: This study aimed to assess and compare the prevalence of diabetes complications between men and women with Type 2 diabetes (T2D), as well as how gender relates to these complications. METHODS: In this cross-sectional study, complications of diabetes, including coronary artery disease (CAD), retinopathy, neuropathy and diabetic kidney disease (DKD), were evaluated in 1867 participants with T2D. Additionally, baseline characteristics of the individuals, including anthropometric measurements, metabolic parameters and the use of dyslipidaemia drugs and antihyperglycaemic agents, were assessed. Gender differences in complications were examined using the chi-squared test. Multivariate logistic regression was employed to investigate the relationship between gender and T2D complications, with and without adjusting for the characteristics of the studied population. RESULTS: In the studied population, 62.1% had at least one complication, and complications were 33.5% for DKD, 29.6% for CAD, 22.9% for neuropathy and 19.1% for retinopathy. The prevalence of CAD and neuropathy was higher in men. However, DKD and retinopathy were more prevalent among women. Odds ratios of experiencing any complication, CAD and retinopathy in men compared with women were 1.57 (95% CI: 1.27-2.03), 2.27 (95% CI: 1.72-2.99) and 0.72 (95% CI: 0.52-0.98), respectively, after adjusting for demographic factors, anthropometric measures, metabolic parameters and the consumption of dyslipidaemia drugs and antihyperglycaemic agents. CONCLUSION: The prevalence of diabetes complications was significantly higher in men with diabetes, highlighting the need for better treatment adherence. CAD was associated with the male gender, whereas retinopathy was associated with the female gender. Men and women with diabetes should be monitored closely for CAD and retinopathy, respectively, regardless of their age, diabetes duration, anthropometric measures, laboratory findings and medications.


Subject(s)
Diabetes Mellitus, Type 2 , Diabetic Retinopathy , Humans , Male , Female , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/drug therapy , Cross-Sectional Studies , Middle Aged , Aged , Prevalence , Sex Factors , Diabetic Retinopathy/etiology , Diabetic Retinopathy/epidemiology , Diabetes Complications/etiology , Diabetes Complications/epidemiology , Adult , Diabetic Neuropathies/etiology , Diabetic Neuropathies/epidemiology , Diabetic Nephropathies/etiology , Diabetic Nephropathies/epidemiology , Coronary Artery Disease/etiology
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