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Low dose (1 microg) adrenocorticotropin stimulation test in the evaluation of hypothalamo-pituitary-adrenal axis in patients with active pulmonary tuberculosis. 2000

F Keleştimur, and Z Göktaş, and I Gülmez, and K Unlühizarci, and F Bayram, and M Ozesmi, and M Güven, and A Tutuş
Department of Endocrinology, Erciyes University, Medical School, Kayseri, Turkey.

Adrenocortical function in patients with active pulmonary tuberculosis is a debate of matter. Previous studies related to adrenocortical function in patients with active pulmonary tuberculosis demonstrated a high rate of suboptimal cortisol response to standard dose ACTH (250 microg) stimulation test. The aim of this study was to assess the hypothalamo-pituitary-adrenal (HPA) axis in low dose (1 microg) and standard dose ACTH (250 microg) stimulation tests in the patients with active pulmonary tuberculosis. Twenty-seven patients and 21 healthy subjects were included in the study. Cortisol levels were measured before, 30 and 60 min after ACTH (1 microg or 250 microg iv) injection. Cortisol responses to 1 microg ACTH at 30 and 60 min were significantly higher in the patient group than in the control group (p<0.05). Peak cortisol levels were significantly higher in the patient group than in the control group after both 1 microg and 250 microg ACTH administration (p<0.05). Cortisol responses to 250 microg ACTH at 30 and (at 30 and 60) 60 min were significantly higher in the patient group than in the control group (p<0.05). Peak cortisol levels obtained after 250 microg ACTH and after 1 microg ACTH were similar in the patient group (p>0.05). This study shows that 1 microg ACTH iv gives an equivalent peak cortisol value to 250 microg ACTH in patients with activated HPA axis. The cortisol levels obtained at 08:00, 11:00, 17:00 and 24:00 h were significantly higher in the patients than in the controls. This study clearly shows that HPA axis is activated in active pulmonary tuberculosis rather than underactivated.

UI MeSH Term Description Entries
D007031 Hypothalamus Ventral part of the DIENCEPHALON extending from the region of the OPTIC CHIASM to the caudal border of the MAMMILLARY BODIES and forming the inferior and lateral walls of the THIRD VENTRICLE. Lamina Terminalis,Preoptico-Hypothalamic Area,Area, Preoptico-Hypothalamic,Areas, Preoptico-Hypothalamic,Preoptico Hypothalamic Area,Preoptico-Hypothalamic Areas
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010902 Pituitary Gland A small, unpaired gland situated in the SELLA TURCICA. It is connected to the HYPOTHALAMUS by a short stalk which is called the INFUNDIBULUM. Hypophysis,Hypothalamus, Infundibular,Infundibular Stalk,Infundibular Stem,Infundibulum (Hypophysis),Infundibulum, Hypophyseal,Pituitary Stalk,Hypophyseal Infundibulum,Hypophyseal Stalk,Hypophysis Cerebri,Infundibulum,Cerebri, Hypophysis,Cerebrus, Hypophysis,Gland, Pituitary,Glands, Pituitary,Hypophyseal Stalks,Hypophyses,Hypophysis Cerebrus,Infundibular Hypothalamus,Infundibular Stalks,Infundibulums,Pituitary Glands,Pituitary Stalks,Stalk, Hypophyseal,Stalk, Infundibular,Stalks, Hypophyseal,Stalks, Infundibular
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006854 Hydrocortisone The main glucocorticoid secreted by the ADRENAL CORTEX. Its synthetic counterpart is used, either as an injection or topically, in the treatment of inflammation, allergy, collagen diseases, asthma, adrenocortical deficiency, shock, and some neoplastic conditions. Cortef,Cortisol,Pregn-4-ene-3,20-dione, 11,17,21-trihydroxy-, (11beta)-,11-Epicortisol,Cortifair,Cortril,Epicortisol,Hydrocortisone, (11 alpha)-Isomer,Hydrocortisone, (9 beta,10 alpha,11 alpha)-Isomer,11 Epicortisol
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000311 Adrenal Glands A pair of glands located at the cranial pole of each of the two KIDNEYS. Each adrenal gland is composed of two distinct endocrine tissues with separate embryonic origins, the ADRENAL CORTEX producing STEROIDS and the ADRENAL MEDULLA producing NEUROTRANSMITTERS. Adrenal Gland,Gland, Adrenal,Glands, Adrenal

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