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USEFULNESS OF HBA1C DETERMINATION IN DIAGNOSIS OF DIABETES MELLITUS IN PATIENTS ADMITTED TO INTERNAL MEDICINE

Thursday, 6 October, 2011 - 16:04
Board 1

USEFULNESS of HbA1C DETERMINATION in DIAGNOSIS OF DIABETES MELLITUS IN PATIENTS admitted to Internal Medicine

Leticia Ruiz-Rivera¹, Andrés Ruiz-Sancho¹, Clara Lahoz García¹, Alfonso Lluna Carrascosa¹, Manuela Moreno Higueras¹, Marta García Morales¹, Jorge Parra Ruiz¹, Antonio Díez Ruiz¹

1.Departament of Internal Medicine. San Cecilio University Hospital. Granada. Spain.

Background: To identify non-diabetic patients admitted to in Internal Medicine (IM) Department fulfilling diagnostic criteria for diabetes mellitus (DM) or at high risk of DM by HBA1c determination.

Methods: As part of a prospective study of early identification of people at risk of developing DM (which is currently ongoing), we have included all hospitalized patients in an IM ward. We elaborated an initial analysis of the data obtained from April to December 2010. HbA1c was determined in all of them. Patients with known history of DM were excluded. The rest of the patients were stratified in three groups according to HbA1c values.

Results: until December 2010, 356 patients were screened and 223 (62.6%) were enrolled. Most of the patients (53.4%) were male with an average of 67.6 years of age. Results of HbA1c values are shown in the following table:

 

Conclusions: Among patients with no history of diabetes, 9.9% (22 persons) showed diagnostic criteria for DM (HbA1c > 6.5%) and 67 (30%) were at high risk of diabetes. Improving diagnostic accuracy, classification and therapy of DM in those patients would be translated into considerable clinical benefits. ADA recently included the HbA1c values as a diagnostic criteria of DM, as well as scoreboard of risk of future diabetes and cardiovascular disease. Routine determination of HbA1c would identify most of those patients at risk.

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