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Diabet Med ; 27(6): 655-9, 2010 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-20546283

RESUMEN

AIMS: Anaemia occurs in 25% of people attending hospital diabetes clinics, but this may not be representative of all people with diabetes. We aimed to determine the prevalence of anaemia in a prospective population-based sample stratified by estimated glomerular filtration rate (eGFR) using the 4-point Modification of Diet in Renal Disease (MDRD) formula. METHODS: All 7331 patients on our district register were stratified by eGFR. Seven hundred and thirty were approached by letter on two occasions. Two hundred and thirty-four (32%) returned questionnaires and blood samples. Responders (R), non-responders (NR) and the whole cohort (C) were similar: mean +/- sd age R 61.7 +/- 12.7 years; NR 61.3 +/- 15.1 years; C 61.8 +/- 14.2 years; diabetes duration R 8.8 +/- 8.6 years; NR 8.2 +/- 7.9 years; C 7.5 +/- 7.8 years, Type 1 diabetes R 10.1%, NR 10.8%, C 9.4%. Anaemia was defined using World Health Organization criteria: haemoglobin < 13 g/dl for men, < 12 g/dl for women. RESULTS: Previously undiagnosed anaemia was present in 15% of the whole group, 36% with eGFR < 60 ml/min per 1.73 m(2) and 9% of those with eGFR > 60 ml/min per 1.73 m(2). Anaemia was as a result of erythropoietin deficiency in 34%, abnormal haematinics in 40% and was unexplained in 26% of patients. Five per cent of the patients had anaemia below the treatment threshold of 11 g/dl. CONCLUSIONS: The prevalence of unrecognized anaemia in population-based cohorts is lower than that in hospital-based studies. Current clinical surveillance in the UK is failing to detect anaemia in stage 3-5 chronic kidney disease (eGFR < 60 ml/min per 1.73 m(2)) and current guidelines will not detect 9% of diabetic patients with anaemia and an eGFR > 60 ml/min per 1.73 m(2).


Asunto(s)
Anemia/etiología , Diabetes Mellitus/sangre , Nefropatías Diabéticas/complicaciones , Anciano , Anemia/diagnóstico , Anemia/epidemiología , Diabetes Mellitus/epidemiología , Nefropatías Diabéticas/epidemiología , Inglaterra/epidemiología , Eritropoyetina , Femenino , Tasa de Filtración Glomerular/fisiología , Hematínicos , Humanos , Masculino , Persona de Mediana Edad , Grupos de Población , Prevalencia , Estudios Prospectivos , Encuestas y Cuestionarios
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