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Journal Information
Vol. 117. Issue 7.
Pages 254-256 (January 2001)
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Vol. 117. Issue 7.
Pages 254-256 (January 2001)
Concentración sérica de cortisol en tres franjas horarias en pacientes con enfermedad aguda no crítica
Serum cortisol concentrations in acute non-critical ill patients, measured in three periods of the day
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2585
Carmen Maciá Bobes
,a
, M. Begoña Paredes Ojangurenb, M. Pilar Poncela Cuestab, M. Asunción Álvarez Ruedab, Gloria Castaño Fernándeza, Rafael Venta Obayac
a Unidad de Endocrinología. Hospital San Agustín. Avilés. Asturias
b Servicio de Urgencias. Hospital San Agustín. Avilés. Asturias
c Servicio de Bioquímica. Hospital San Agustín. Avilés. Asturias.
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Fundamento

Análisis de la cortisolemia en pacientes sin insuficiencia corticosuprarrenal con enfermedad aguda no crítica, en tres franjas horarias del nictémero (11:30–15:00 h; 15:00–18:30 h; 18:30–22:00 h).

Pacientes y método

Se seleccionó a 113 pacientes (40, 38 y 35, respectivamente) cuyo diagnóstico pudo establecerse con certeza en el servicio de urgencias.

Resultados

Las cortisolemias mínima y media de cada franja fueron respectivamente: 8–8–8 μg/dl (220,8–220,8–220,8 nmol/l) y 27,8–24,1–29,3 μg/dl (767,3–665,2–808,7 nmol/l) sin diferencias significativas entre estas últimas. La cuarta parte de los pacientes no alcanzó cortisolemias ≥18 μg/dl (496,8 nmol/l).

Conclusiones

Cortisolemias al azar inferiores a 8 μg/dl (220,8 nmol/l) durante una enfermedad aguda son muy indicativas de insuficiencia suprarrenal.

Palabras clave:
Cortisol sérico
Enfermedadaguda
Función suprarrenal
Ritmo circadiano
Background

Analysis of serum cortisol concentrations in patients with appropriate adrenocortical function and acute non-critical illness, in three periods of the day (11.30–15.00; 15.00–18.30; 18.30–22.00).

Patients And Method

One hundred and thirteen patients (40, 38 and 35, respectively) were evaluated at the Emergency Department. Every patient had a definite diagnosis.

Results

In each period, minimum and mean serum cortisol concentrations were: 8–8–8 μg/dl (220,8–220,8–220,8 nmol/l) and 27,8–24,1– 29,3 μg/dl (767,3–665,2–808,7 nmol/l). No statistically significant differences were found between period means. A quarter of patients did not show serum cortisol concentrations ≥18 μg/dl (496,8 nmol/l).

Conclusions

In patients with acute disease, a random cortisol concentration below 8 μg/dL (220,8 nmol/L) is a strong presumptive evidence of adrenocortical insufficiency.

Key words:
Serum cortisol
Acute disease
Adrenocortical function
Circadian rhythm

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