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Nephropathy, but not retinopathy, is associated with the development of heart disease in Type 1 diabetes: a 12-year observation study of 462 patients.
Torffvit, O; Lövestam-Adrian, M; Agardh, E; Agardh, C-D.
Afiliação
  • Torffvit O; Department of Medicine, University Hospital, Lund, Sweden. Ole.Torffvit@med.lu.se
Diabet Med ; 22(6): 723-9, 2005 Jun.
Article em En | MEDLINE | ID: mdl-15910623
AIMS: To study the occurrence of heart disease and death in Type 1 diabetic patients and evaluate whether presence of microangiopathy, i.e. nephropathy and retinopathy, was associated with the outcome. METHODS: A 12-year observation study of 462 Type 1 diabetic patients without a previous history of heart disease at baseline who were treated under routine care in a hospital out-patient clinic. RESULTS: A total of 85 patients developed signs of heart disease, i.e. myocardial infarction (n = 41), angina (n = 23), and heart failure (n = 17) and 56 patients died. The mortality for patients without signs of heart disease during the observation period was 7.6% compared with 51% in patients with myocardial infarction (P < 0.001), 26% in patients with angina (P < 0.01) and 65% in patients with heart failure (P < 0.001). The relative risk for death was 9.0 (P < 0.001) and 2.5 (P < 0.05) times higher in patients with macroalbuminuria and microalbuminuria, respectively. The risk for cardiovascular death was 18.3 times (P < 0.001) higher in patients with macroalbuminuria compared with patients with normoalbuminuria. In patients with sight-threatening retinopathy, the relative risk for death was 7.0 times higher (P < 0.01) and the risk for coronary heart disease events 4.4 times higher (P < 0.05) compared with patients with no retinopathy. However, when retinopathy was adjusted for presence of macroalbuminuria, this association disappeared. CONCLUSION: This study shows a high incidence of heart disease in patients with Type 1 diabetes. The worse prognosis was seen in patients with sight-threatening retinopathy and macroalbuminuria and microalbuminuria at baseline. Macroalbuminuria and microalbuminuria were independently associated with a high risk for heart disease and death while the association with sight-threatening retinopathy only occurred in the presence of nephropathy.
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Diabetes Mellitus Tipo 1 / Angiopatias Diabéticas / Nefropatias Diabéticas / Retinopatia Diabética / Albuminúria / Cardiopatias Tipo de estudo: Etiology_studies / Prognostic_studies / Risk_factors_studies Limite: Adult / Female / Humans / Male / Middle aged Idioma: En Revista: Diabet Med Assunto da revista: ENDOCRINOLOGIA Ano de publicação: 2005 Tipo de documento: Article País de afiliação: Suécia País de publicação: Reino Unido
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Diabetes Mellitus Tipo 1 / Angiopatias Diabéticas / Nefropatias Diabéticas / Retinopatia Diabética / Albuminúria / Cardiopatias Tipo de estudo: Etiology_studies / Prognostic_studies / Risk_factors_studies Limite: Adult / Female / Humans / Male / Middle aged Idioma: En Revista: Diabet Med Assunto da revista: ENDOCRINOLOGIA Ano de publicação: 2005 Tipo de documento: Article País de afiliação: Suécia País de publicação: Reino Unido