Increased aortic stiffness measured by MRI in patients with type 1 diabetes mellitus and relationship to renal function. 2011

Saskia G C van Elderen, and Jos J M Westenberg, and Anne Brandts, and Rutger W van der Meer, and Johannes A Romijn, and Johannes W A Smit, and Albert de Roos
Department of Radiology, Leiden University Medical Center, The Netherlands. s.g.c.van_elderen@lumc.nl

OBJECTIVE Arterial stiffness is an important predictor of cardiovascular disease in type 1 diabetes mellitus (DM). The purpose of this study was to investigate whether type 1 DM is associated with increased aortic stiffness as measured by MRI, independently of renal dysfunction, and to evaluate the relationship between aortic stiffness and renal function within the normal range in patients with type 1 DM. METHODS We included 77 patients with type 1 DM (mean age, 46 ± 12 years) and 36 healthy control subjects matched for age and renal function in a cross-sectional study. Exclusion criteria consisted of microalbuminuria, renal impairment, aortic valve disease, and standard MRI contraindications. Aortic pulse wave velocity (PWV), a marker of aortic stiffness, was assessed by MRI. Renal function was expressed as the estimated glomerular filtration rate (GFR). Mann-Whitney U test and Spearman's correlation analysis were performed. Stepwise multivariable logarithmic regressions with forward entry analysis for estimated GFR were performed to study the relationship with aortic PWV using interaction terms for type 1 DM. RESULTS Patients with type 1 DM without microalbuminuria or renal impairment show increased aortic PWV compared with control subjects (p < 0.05). There was a statistically significant correlation between estimated GFR and aortic PWV in patients with type 1 DM (p < 0.001; r = -0.427) and control subjects (p = 0.002; r = -0.502), with aortic PWV being increased in patients with type 1 DM for each given estimated GFR within the normal range (p < 0.001). The decrease in estimated GFR per increase in aortic PWV was similar for patients with type 1 DM and control subjects (p, not significant). CONCLUSIONS Our data show that aortic stiffness, as measured by MRI, is increased and inversely related to renal function in patients with type 1 DM with normal albuminuria and normal estimated GFR.

UI MeSH Term Description Entries
D007677 Kidney Function Tests Laboratory tests used to evaluate how well the kidneys are working through examination of blood and urine. Function Test, Kidney,Function Tests, Kidney,Kidney Function Test,Test, Kidney Function,Tests, Kidney Function
D008279 Magnetic Resonance Imaging Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques. Chemical Shift Imaging,MR Tomography,MRI Scans,MRI, Functional,Magnetic Resonance Image,Magnetic Resonance Imaging, Functional,Magnetization Transfer Contrast Imaging,NMR Imaging,NMR Tomography,Tomography, NMR,Tomography, Proton Spin,fMRI,Functional Magnetic Resonance Imaging,Imaging, Chemical Shift,Proton Spin Tomography,Spin Echo Imaging,Steady-State Free Precession MRI,Tomography, MR,Zeugmatography,Chemical Shift Imagings,Echo Imaging, Spin,Echo Imagings, Spin,Functional MRI,Functional MRIs,Image, Magnetic Resonance,Imaging, Magnetic Resonance,Imaging, NMR,Imaging, Spin Echo,Imagings, Chemical Shift,Imagings, Spin Echo,MRI Scan,MRIs, Functional,Magnetic Resonance Images,Resonance Image, Magnetic,Scan, MRI,Scans, MRI,Shift Imaging, Chemical,Shift Imagings, Chemical,Spin Echo Imagings,Steady State Free Precession MRI
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D012044 Regression Analysis Procedures for finding the mathematical function which best describes the relationship between a dependent variable and one or more independent variables. In linear regression (see LINEAR MODELS) the relationship is constrained to be a straight line and LEAST-SQUARES ANALYSIS is used to determine the best fit. In logistic regression (see LOGISTIC MODELS) the dependent variable is qualitative rather than continuously variable and LIKELIHOOD FUNCTIONS are used to find the best relationship. In multiple regression, the dependent variable is considered to depend on more than a single independent variable. Regression Diagnostics,Statistical Regression,Analysis, Regression,Analyses, Regression,Diagnostics, Regression,Regression Analyses,Regression, Statistical,Regressions, Statistical,Statistical Regressions
D003430 Cross-Sectional Studies Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time. Disease Frequency Surveys,Prevalence Studies,Analysis, Cross-Sectional,Cross Sectional Analysis,Cross-Sectional Survey,Surveys, Disease Frequency,Analyses, Cross Sectional,Analyses, Cross-Sectional,Analysis, Cross Sectional,Cross Sectional Analyses,Cross Sectional Studies,Cross Sectional Survey,Cross-Sectional Analyses,Cross-Sectional Analysis,Cross-Sectional Study,Cross-Sectional Surveys,Disease Frequency Survey,Prevalence Study,Studies, Cross-Sectional,Studies, Prevalence,Study, Cross-Sectional,Study, Prevalence,Survey, Cross-Sectional,Survey, Disease Frequency,Surveys, Cross-Sectional
D003922 Diabetes Mellitus, Type 1 A subtype of DIABETES MELLITUS that is characterized by INSULIN deficiency. It is manifested by the sudden onset of severe HYPERGLYCEMIA, rapid progression to DIABETIC KETOACIDOSIS, and DEATH unless treated with insulin. The disease may occur at any age, but is most common in childhood or adolescence. Diabetes Mellitus, Brittle,Diabetes Mellitus, Insulin-Dependent,Diabetes Mellitus, Juvenile-Onset,Diabetes Mellitus, Ketosis-Prone,Diabetes Mellitus, Sudden-Onset,Diabetes, Autoimmune,IDDM,Autoimmune Diabetes,Diabetes Mellitus, Insulin-Dependent, 1,Diabetes Mellitus, Type I,Insulin-Dependent Diabetes Mellitus 1,Juvenile-Onset Diabetes,Type 1 Diabetes,Type 1 Diabetes Mellitus,Brittle Diabetes Mellitus,Diabetes Mellitus, Insulin Dependent,Diabetes Mellitus, Juvenile Onset,Diabetes Mellitus, Ketosis Prone,Diabetes Mellitus, Sudden Onset,Diabetes, Juvenile-Onset,Diabetes, Type 1,Insulin Dependent Diabetes Mellitus 1,Insulin-Dependent Diabetes Mellitus,Juvenile Onset Diabetes,Juvenile-Onset Diabetes Mellitus,Ketosis-Prone Diabetes Mellitus,Sudden-Onset Diabetes Mellitus
D003925 Diabetic Angiopathies VASCULAR DISEASES that are associated with DIABETES MELLITUS. Diabetic Vascular Complications,Diabetic Vascular Diseases,Microangiopathy, Diabetic,Angiopathies, Diabetic,Angiopathy, Diabetic,Diabetic Angiopathy,Diabetic Microangiopathies,Diabetic Microangiopathy,Diabetic Vascular Complication,Diabetic Vascular Disease,Microangiopathies, Diabetic,Vascular Complication, Diabetic,Vascular Complications, Diabetic,Vascular Disease, Diabetic,Vascular Diseases, Diabetic
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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