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Serum uric acid and its association with hypertension, early nephropathy and chronic kidney disease in type 2 diabetic patients / Ácido úrico sérico e sua associação com hipertensão, nefropatia precoce e doença renal crônica em pacientes diabéticos tipo 2
Fouad, Mohamed; Fathy, Hoda; Zidan, Amal.
  • Fouad, Mohamed; Zagazig University Hospital. Department of Nepherology. Zagazig. EG
  • Fathy, Hoda; Zagazig University Hospital. Department of Nepherology. Zagazig. EG
  • Zidan, Amal; Zagazig University Hospital. Department of Nepherology. Zagazig. EG
J. bras. nefrol ; 38(4): 403-410, Oct.-Dec. 2016. tab
Article in English | LILACS | ID: biblio-829072
ABSTRACT
Abstract

Introduction:

Early detection diabetic nephropathy (DN) is important. Whether serum uric acid (SUA) has a role in the development of DN is not known.

Objective:

To study the relationship between SUA and hypertension, early nephropathy and progression of chronic kidney disease (CKD) in type 2 diabetes mellitus (T2DM).

Methods:

The total number of the study was 986 participants, according to presence and duration of diabetes were classified into three groups. Group I; including 250 healthy participants. Group II; including 352 with onset of diabetes < 5 years. Group III; including 384, with the onset of diabetes > 5 years. All participants were submitted to complete clinical examination, anthropometric measurements, laboratory investigations, including glycosylated hemoglobin (HbA1C), as well triglycerides to high-density lipoprotein ratios (TG/HDL-C), SUA, urinary albumin/creatinine ratio (ACR) and estimated glomerular filtration rate (eGFR).

Results:

SUA, BP, HbA1c, TG/HDL-C ratio, and ACR levels were significantly higher in group III than group I, II and in II than I. eGFR significantly lower in group III than group I, II and in II than I (p < 0.001). Age, BMI, BP, HbA1c, TG/HDL-C, ACR, were positively correlated with SUA, while GFR negatively correlated. SUA at level of > 6.1 mg/dl, > 6.2 mg/dl and > 6.5 mg/dl had a greater sensitivity and specificity for identifying hypertension, early nephropathy and decline eGFR respectively.

Conclusion:

Even high normal SUA level, was associated with the risk of hypertension, early nephropathy and decline of eGFR. Moreover SUA level may identify the onset of hypertension, early nephropathy and progression of CKD in T2DM.
RESUMO
Resumo

Introdução:

A detecção precoce da nefropatia diabética (ND) é importante. O ácido úrico sérico (AUS) tem um papel ainda desconhecido no desenvolvimento de ND.

Objetivo:

Estudar a relação entre AUS e hipertensão, nefropatia precoce e progressão da doença renal crônica (DRC) no diabetes mellitus tipo 2 (DM2).

Métodos:

O estudo contou com 986 participantes, de acordo com a presença e a duração do diabetes, os pacientes foram classificados em três grupos. O Grupo I incluiu 250 participantes saudáveis. O Grupo II incluiu 352 pacientes com início de diabetes < 5 anos. O Grupo III incluiu 384 pacientes com o aparecimento de diabetes > 5 anos. Todos os participantes foram submetidos a exame clínico completo, medidas antropométricas, exames laboratoriais - incluindo hemoglobina glicosilada (HbA1C), bem como a razão entre triglicérides e lipoproteína de alta densidade (TG/HDL-C), AUS, razão creatinina/albumina (RCA) urinária, e taxa estimada de filtração glomerular (eTFG).

Resultados:

A razão AUS, PA, HbA1c, TG/HDL-C e RCA foi significativamente maior no grupo III do que no grupo I, II e em II do que I. A eTFG foi significativamente menor no grupo III do que nos grupos I, II e no II do que no I (p < 0,001). Idade, IMC, PA, HbA1c, razão TG/HDL-C, RCA, foram positivamente correlacionados com AUS, enquanto que a TFG esteve negativamente correlacionada. O AUS a níveis > 6,1 mg/dl, > 6,2 mg/dl e > 6,5 mg/dl apresentou maior sensibilidade e especificidade para identificar hipertensão, nefropatia precoce e declínio da eTFG, respectivamente.

Conclusão:

Mesmo elevados níveis de AUS, foi associado ao risco de hipertensão, nefropatia precoce e declínio da eTFG. Além disso, o nível de AUS pode identificar o início da hipertensão, nefropatia precoce e progressão da DRC em DM2.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Diabetes Mellitus, Type 2 / Diabetic Nephropathies / Renal Insufficiency, Chronic / Hypertension Type of study: Etiology study / Observational study / Prognostic study / Risk factors / Screening study Limits: Female / Humans / Male Language: English Journal: J. bras. nefrol Journal subject: Nephrology Year: 2016 Type: Article Affiliation country: Egypt Institution/Affiliation country: Zagazig University Hospital/EG

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Full text: Available Index: LILACS (Americas) Main subject: Diabetes Mellitus, Type 2 / Diabetic Nephropathies / Renal Insufficiency, Chronic / Hypertension Type of study: Etiology study / Observational study / Prognostic study / Risk factors / Screening study Limits: Female / Humans / Male Language: English Journal: J. bras. nefrol Journal subject: Nephrology Year: 2016 Type: Article Affiliation country: Egypt Institution/Affiliation country: Zagazig University Hospital/EG