Expression modes of urinary N-acetyl-beta-D-glucosaminidase in patients with chronic renal insufficiency.
Clin Chim Acta
; 346(2): 129-33, 2004 Aug 16.
Article
en En
| MEDLINE
| ID: mdl-15256313
ABSTRACT
BACKGROUND:
Urinary N-acetyl-beta-D-glucosaminidase (NAG) activity has emerged as potentially useful early marker of renal tubular injury. This activity is usually evaluated in random urine samples and is related to urinary creatinine concentration. Reports about the lack of correlation between NAG activity of 24-h urines and activity of random urine samples in some clinical and experimental situations led us to study the correlation existing between different procedures for expressing urinary NAG in patients with chronic renal insufficiency.METHODS:
Thirty samples of 24-h urine and 30 random urine samples from chronic renal insufficiency patients were collected. The activity of urinary NAG was examined fluorimetrically.RESULTS:
The following correlations were observed (1) r = 0.431 (P = 0.017) for activity in random urine samples and total activity in 24-h urines); (2) r = 0.281 (P = 0.005) for activity in random samples and activity, expressed as U/l, in 24-h urines.CONCLUSIONS:
The data show that collection of urine excreted over the whole day and evaluation of total daily excretion of NAG seems the method of choice, at least for patients with chronic renal insufficiency.
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Base de datos:
MEDLINE
Asunto principal:
Acetilglucosaminidasa
/
Enfermedades Renales
/
Fallo Renal Crónico
/
Pruebas de Función Renal
Tipo de estudio:
Clinical_trials
/
Diagnostic_studies
Idioma:
En
Revista:
Clin Chim Acta
Año:
2004
Tipo del documento:
Article