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Inicio Medicina Clínica Utilidad del cociente albúmina/creatinina en el diagnóstico de la nefropatía ...
Journal Information
Vol. 116. Issue 19.
Pages 732-733 (January 2001)
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Vol. 116. Issue 19.
Pages 732-733 (January 2001)
Original Breve
Utilidad del cociente albúmina/creatinina en el diagnóstico de la nefropatía en pacientes con diabetes mellitus tipo 2
Albumin-to-creatinine ratio as a diagnostic tool for type 2 diabetic nephropathy
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Xavier Mundet Tuduría,
Corresponding author
16274xmt@comb.es

Correspondencia: Dr. X. Mundet Tudurí. Centro de Atención Primaria El Carmel. La Murtra, 130. 08032 Barcelona.
, Sonia Martínez Carmonaa, Neus Espinosa Gonzáleza, Carmen López Rodwaya, Teresa Carrera Fontb, Soledad Romea Lecumberric, Rosa Gimbert Ràfolsa, Jaume Martí Montesaa
a Centro de Atención Primaria Universitario El Carmel. Unidad Docente de MFyC Barcelona Ciutat.
b Laboratorio Bon Pastor. Barcelona Ciutat.
c Técnico de la Salut de la DAP Gràcia-Horta-Guinardó. Institut Català de la Salut. DAP Gràcia-Horta-Guinardó. SAP Barcelona Ciutat.
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Fundamento

En atención primaria, la eficiencia de la determinación de excreción urinaria de albúmina (EUA) en orina de 24 h para el diagnóstico de la nefropatía diabética es bajo. Por ello nos planteamos validar el cociente albúmina/creatinina en orina matinal como alternativa a la excreción urinaria de albúmina en 24 h.

Pacientes Y MéTodo

Un total de 214 pacientes con diabetes mellitus tipo 2. Realizamos un análisis de correlación, regresión lineal y una curva ROC entre la albuminuria en 24 h y el cociente albúmina/creatinina.

Resultados

La correlación fue de 0,893 (p< 0,01). La curva ROC determinó un valor de 2,4 g/mol en mujeres y de 1,4 g/mol en varones.

Conclusiones

El cociente albúmina/creatinina es útil para diagnosticar la nefropatía diabética, aunque el punto diagnóstico depende del sexo.

Palabras clave:
Nefropatía diabética
Albuminuria
Diagnóstico
Background

Given the low effectiveness of 24 hours determination of urinary albumin excretion (UAE) for the diagnosis of diabetic nephropathy in primary care, we aimed at evaluating the albumin: creatinine ratio (ACR) in the first voided morning urine sample as a diagnostic tool in this setting.

Patients And Method

214 patients with type 2 diabetes were studied. ACR and UAE were compared with correlation and lineal regression analyses. A receiver operating characteristic (ROC) curve analysis was performed to determine the discriminatory value for diagnosis of diabetic nephropathy.

Results

The correlation coefficient between ACR and UAE was 0.93 (p<0.01) and the ROC curve analysis showed a value of 2.4 g/mol for women and 1.4 g/mol for men.

Conclusions

ROC curve analysis reveals that ACR is a useful method for diagnosing diabetic nephropathy, although the discriminatory value depends on sex.

Keywords:
Diabetic nephropathy
Albuminuria
Diagnosis

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