Zhonghua yi xue za zhi · 2011
[Clinical values of triptorelin stimulating test in assessing hypothalamus-pituitary-gonad axis function in male patients with hypothalamus-pituitary-gonad axis disorders].
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Wu Xue-yan, Nie Min, Lu Shuang-yu, Mao Jiang-feng
Аннотация
OBJECTIVE: To investigate the clinical values of luteinizing hormone-releasing hormone (LHRH) α (triptorelin) stimulating test in the differential diagnoses of hypothalamus-pituitary-gonad axis (HPGA) disorders.
METHODS: A total of 229 male patients with various HPGA disorders were recruited for triptorelin stimulating test. And all patients were followed up for 12 - 48 months until a definite diagnosis was made. The values of triptorelin stimulating test in the differential diagnoses of HPGA disorders were assessed by examining the close relationship between LHmax and the final clinical diagnosis.
RESULTS: (1) LH levels rose steady after an intramuscular injection of triptorelin 100 µg and the time of LHmax appeared at 45 - 60 min. (2) LHmax < 4 U/L indicated the function of HPGA was not activated. LHmax in the range of 4 - 12 U/L indicated the patients might have constitutional delayed puberty development. LHmax > 12 U/L indicated the fulfilled puberty development.
CONCLUSION: Triptorelin stimulating test can precisely evaluate the functions of HPGA in various HPGA disorders and provide valuable information for the differential diagnoses in constitutional delayed puberty development, hypogonadotropic hypogonadism, central and peripheral precocious puberty disorders.
METHODS: A total of 229 male patients with various HPGA disorders were recruited for triptorelin stimulating test. And all patients were followed up for 12 - 48 months until a definite diagnosis was made. The values of triptorelin stimulating test in the differential diagnoses of HPGA disorders were assessed by examining the close relationship between LHmax and the final clinical diagnosis.
RESULTS: (1) LH levels rose steady after an intramuscular injection of triptorelin 100 µg and the time of LHmax appeared at 45 - 60 min. (2) LHmax < 4 U/L indicated the function of HPGA was not activated. LHmax in the range of 4 - 12 U/L indicated the patients might have constitutional delayed puberty development. LHmax > 12 U/L indicated the fulfilled puberty development.
CONCLUSION: Triptorelin stimulating test can precisely evaluate the functions of HPGA in various HPGA disorders and provide valuable information for the differential diagnoses in constitutional delayed puberty development, hypogonadotropic hypogonadism, central and peripheral precocious puberty disorders.