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Factors associated with diabetic nephropathy in subjects with proliferative retinopathy

Aim The purpose was to compare the phenotype of subjects with type 2 diabetes mellitus having both retinopathy and nephropathy with that of subjects having retinopathy but no nephropathy. Methods We recruited 196 subjects; 85 were normoalbuminuric (controls), whilst cases consisted of patients with...

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Published in:International urology and nephrology 2012-02, Vol.44 (1), p.197-206
Main Authors: Magri, Caroline Jane, Calleja, Neville, Buhagiar, Gerald, Fava, Stephen, Vassallo, Josanne
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Buhagiar, Gerald
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description Aim The purpose was to compare the phenotype of subjects with type 2 diabetes mellitus having both retinopathy and nephropathy with that of subjects having retinopathy but no nephropathy. Methods We recruited 196 subjects; 85 were normoalbuminuric (controls), whilst cases consisted of patients with micro- ( n  = 66) or macroalbuminuria ( n  = 45). Both groups underwent 24-h blood pressure (BP) monitoring and were analysed regarding markers of the metabolic syndrome, inflammation (erythrocyte sedimentation rate [ESR] and high-sensitivity CRP [hsCRP]) and insulin resistance (HOMA-IR). Results Cases had significantly higher white cell count ( P  = 0.02), ESR ( P  
doi_str_mv 10.1007/s11255-011-9958-1
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Methods We recruited 196 subjects; 85 were normoalbuminuric (controls), whilst cases consisted of patients with micro- ( n  = 66) or macroalbuminuria ( n  = 45). Both groups underwent 24-h blood pressure (BP) monitoring and were analysed regarding markers of the metabolic syndrome, inflammation (erythrocyte sedimentation rate [ESR] and high-sensitivity CRP [hsCRP]) and insulin resistance (HOMA-IR). Results Cases had significantly higher white cell count ( P  = 0.02), ESR ( P  < 0.001), platelets ( P  = 0.02), triglycerides ( P  = 0.001), uric acid ( P  < 0.001), daytime and night-time systolic BP ( P  = 0.001 & P  = 0.001, respectively), diastolic BP ( P  = 0.007 & P  = 0.001), pulse pressure ( P  = 0.02 & 0.055) and mean arterial pressure ( P  = 0.001 & P  < 0.001) in univariate analysis. Cases had a lower haemoglobin level ( P  = 0.01) and estimated glomerular filtration rate (eGFR) ( P  = 0.002) in comparison with controls. Multivariate analysis showed that night-time diastolic BP ( P  = 0.002, B  = 1.057), platelet count ( P  = 0.018, B  = 1.007) and eGFR ( P  < 0.001, B  = 0.097) are independent predictors of diabetic nephropathy. Platelet count ( P  = 0.045, B  = 1.006), night-time mean diastolic BP ( P  = 0.029, B  = 1.042) and eGFR ( P  = 0.001, B  = 0.975) were also found to be independent predictors of the occurrence of microalbuminuria. Conclusions By analysing factors associated with diabetic nephropathy rather than microvascular disease in general, this study provides evidence that night-time diastolic BP and a relative increase in platelet count are associated with incipient diabetic nephropathy.]]></description><identifier>ISSN: 0301-1623</identifier><identifier>EISSN: 1573-2584</identifier><identifier>DOI: 10.1007/s11255-011-9958-1</identifier><identifier>PMID: 21516475</identifier><identifier>CODEN: IURNAE</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Aged ; Albuminuria - etiology ; Blood Pressure ; Blood Sedimentation ; C-Reactive Protein - metabolism ; Circadian Rhythm ; Diabetes Mellitus, Type 2 - blood ; Diabetes Mellitus, Type 2 - complications ; Diabetes Mellitus, Type 2 - physiopathology ; Diabetic Nephropathies - blood ; Diabetic Nephropathies - complications ; Diabetic Nephropathies - physiopathology ; Diabetic Retinopathy - blood ; Diabetic Retinopathy - complications ; Diabetic Retinopathy - physiopathology ; Diastole ; Female ; Glomerular Filtration Rate ; Hemoglobins - metabolism ; Humans ; Insulin Resistance ; Leukocyte Count ; Male ; Medicine ; Medicine &amp; Public Health ; Middle Aged ; Multivariate Analysis ; Nephrology ; Nephrology – Original Paper ; Phenotype ; Platelet Count ; Pulse ; Systole ; Triglycerides - blood ; Uric Acid - blood ; Urology</subject><ispartof>International urology and nephrology, 2012-02, Vol.44 (1), p.197-206</ispartof><rights>Springer Science+Business Media, B.V. 2011</rights><rights>Springer Science+Business Media, B.V. 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c370t-216885af961f5ac513db79e7e153038cb993e0da18a09a0197ad4dd1a4ef4373</citedby><cites>FETCH-LOGICAL-c370t-216885af961f5ac513db79e7e153038cb993e0da18a09a0197ad4dd1a4ef4373</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21516475$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Magri, Caroline Jane</creatorcontrib><creatorcontrib>Calleja, Neville</creatorcontrib><creatorcontrib>Buhagiar, Gerald</creatorcontrib><creatorcontrib>Fava, Stephen</creatorcontrib><creatorcontrib>Vassallo, Josanne</creatorcontrib><title>Factors associated with diabetic nephropathy in subjects with proliferative retinopathy</title><title>International urology and nephrology</title><addtitle>Int Urol Nephrol</addtitle><addtitle>Int Urol Nephrol</addtitle><description><![CDATA[Aim The purpose was to compare the phenotype of subjects with type 2 diabetes mellitus having both retinopathy and nephropathy with that of subjects having retinopathy but no nephropathy. Methods We recruited 196 subjects; 85 were normoalbuminuric (controls), whilst cases consisted of patients with micro- ( n  = 66) or macroalbuminuria ( n  = 45). Both groups underwent 24-h blood pressure (BP) monitoring and were analysed regarding markers of the metabolic syndrome, inflammation (erythrocyte sedimentation rate [ESR] and high-sensitivity CRP [hsCRP]) and insulin resistance (HOMA-IR). Results Cases had significantly higher white cell count ( P  = 0.02), ESR ( P  < 0.001), platelets ( P  = 0.02), triglycerides ( P  = 0.001), uric acid ( P  < 0.001), daytime and night-time systolic BP ( P  = 0.001 & P  = 0.001, respectively), diastolic BP ( P  = 0.007 & P  = 0.001), pulse pressure ( P  = 0.02 & 0.055) and mean arterial pressure ( P  = 0.001 & P  < 0.001) in univariate analysis. Cases had a lower haemoglobin level ( P  = 0.01) and estimated glomerular filtration rate (eGFR) ( P  = 0.002) in comparison with controls. Multivariate analysis showed that night-time diastolic BP ( P  = 0.002, B  = 1.057), platelet count ( P  = 0.018, B  = 1.007) and eGFR ( P  < 0.001, B  = 0.097) are independent predictors of diabetic nephropathy. Platelet count ( P  = 0.045, B  = 1.006), night-time mean diastolic BP ( P  = 0.029, B  = 1.042) and eGFR ( P  = 0.001, B  = 0.975) were also found to be independent predictors of the occurrence of microalbuminuria. 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Methods We recruited 196 subjects; 85 were normoalbuminuric (controls), whilst cases consisted of patients with micro- ( n  = 66) or macroalbuminuria ( n  = 45). Both groups underwent 24-h blood pressure (BP) monitoring and were analysed regarding markers of the metabolic syndrome, inflammation (erythrocyte sedimentation rate [ESR] and high-sensitivity CRP [hsCRP]) and insulin resistance (HOMA-IR). Results Cases had significantly higher white cell count ( P  = 0.02), ESR ( P  < 0.001), platelets ( P  = 0.02), triglycerides ( P  = 0.001), uric acid ( P  < 0.001), daytime and night-time systolic BP ( P  = 0.001 & P  = 0.001, respectively), diastolic BP ( P  = 0.007 & P  = 0.001), pulse pressure ( P  = 0.02 & 0.055) and mean arterial pressure ( P  = 0.001 & P  < 0.001) in univariate analysis. Cases had a lower haemoglobin level ( P  = 0.01) and estimated glomerular filtration rate (eGFR) ( P  = 0.002) in comparison with controls. Multivariate analysis showed that night-time diastolic BP ( P  = 0.002, B  = 1.057), platelet count ( P  = 0.018, B  = 1.007) and eGFR ( P  < 0.001, B  = 0.097) are independent predictors of diabetic nephropathy. Platelet count ( P  = 0.045, B  = 1.006), night-time mean diastolic BP ( P  = 0.029, B  = 1.042) and eGFR ( P  = 0.001, B  = 0.975) were also found to be independent predictors of the occurrence of microalbuminuria. Conclusions By analysing factors associated with diabetic nephropathy rather than microvascular disease in general, this study provides evidence that night-time diastolic BP and a relative increase in platelet count are associated with incipient diabetic nephropathy.]]></abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><pmid>21516475</pmid><doi>10.1007/s11255-011-9958-1</doi><tpages>10</tpages></addata></record>
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subjects Aged
Albuminuria - etiology
Blood Pressure
Blood Sedimentation
C-Reactive Protein - metabolism
Circadian Rhythm
Diabetes Mellitus, Type 2 - blood
Diabetes Mellitus, Type 2 - complications
Diabetes Mellitus, Type 2 - physiopathology
Diabetic Nephropathies - blood
Diabetic Nephropathies - complications
Diabetic Nephropathies - physiopathology
Diabetic Retinopathy - blood
Diabetic Retinopathy - complications
Diabetic Retinopathy - physiopathology
Diastole
Female
Glomerular Filtration Rate
Hemoglobins - metabolism
Humans
Insulin Resistance
Leukocyte Count
Male
Medicine
Medicine & Public Health
Middle Aged
Multivariate Analysis
Nephrology
Nephrology – Original Paper
Phenotype
Platelet Count
Pulse
Systole
Triglycerides - blood
Uric Acid - blood
Urology
title Factors associated with diabetic nephropathy in subjects with proliferative retinopathy
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