Insulin/TRH/GnRH/Glucagon stimulation test
適應症
評估大於2歲矮小兒童的Growth hormone, ACTH (Cortisol), FSH, LH, TSH, PRL的功能
禁忌
若有癲癇或不明原因的昏厥的病史或小於2歲的兒童,不能作Insulin tolerance test,改作Glucagon test。
目前用藥
若目前正在使用growth hormone,應該停用1星期
若目前正在使用cortisone acetate,應該停用當日早上的cortisone acetate,並於試驗後立即給予hydrocortisone (solucortef) 50 mg (<
醫囑:
批價代號 M32-400
住院當日晚上12:00(0:00)起NPO
早上8:00 做檢查
Dose of regular insulin:
若
若
若懷疑腦垂腺低能症(作過頭部開刀或放射治療者) , 請用0.1 units X kg =
若
Dose of glucagons: 0.03 mg X kg =
Dose of TRH : 7 μg X kg =
Dose of LHRH: 2.5 μg X kg =
若年齡介於18個月大至10歲,且無性徵發育(胸部發育或陰毛發育者),可不用作LHRH測驗,並請取消下述FSH、LH、E2、TESTOSTERONE的抽血。
項目 |
|
急生化 |
核醫 |
生化 |
核醫 |
核醫 |
核醫 |
核醫 |
核醫 |
核醫 |
核醫 |
核醫 |
核醫 |
核醫 |
代碼 |
|
L72-501x7 |
-161 |
L72-462 |
-191 |
-109 |
-163 |
-165 |
-167 |
-102 |
-114 |
-104 |
168x2 |
178x2 |
時間 (分) |
F/S |
BS |
GH |
IGFBP-3 |
Cortisol |
TSH |
PRL |
LH |
FSH |
T4 |
TBGI |
TT3 |
E2 (girl) |
T (boy) |
-1 |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
Regular
Insulin U iv stat TRH μg (max LHRH μg (max 100 μg) iv stat |
||||||||||||||
15 |
X |
X |
X |
|
X |
X |
X |
X |
X |
|
|
|
|
|
30 |
X |
X |
X |
|
X |
X |
X |
X |
X |
|
|
|
|
|
45 |
X |
X |
X |
|
X |
X |
X |
X |
X |
|
|
|
|
|
60 |
X |
X |
X |
|
X |
X |
X |
X |
X |
|
|
|
|
|
90 |
X |
X |
X |
|
X |
X |
X |
X |
X |
|
|
|
|
|
120 |
X |
X |
X |
|
X |
X |
X |
X |
X |
|
|
|
X |
X |
Glucagon
0.03 mg/kg IM (max 1 mg) |
||||||||||||||
45 |
X |
X |
X |
|
X |
|
|
|
|
|
|
|
|
|
60 |
X |
X |
X |
|
X |
|
|
|
|
|
|
|
|
|
90 |
X |
X |
X |
|
X |
|
|
|
|
|
|
|
|
|
120 |
X |
X |
X |
|
X |
|
|
|
|
|
|
|
|
|
150 |
X |
X |
X |
|
X |
|
|
|
|
|
|
|
|
|
180 |
X |
X |
X |
|
X |
|
|
|
|
|
|
|
|
|
E2 = estradiol; T = testosterone
X 檢查項目
檢查後,必須食用一頓大餐
有效性:1)Glucose <46.8 mg/dl (2.6 mmol/L)
2)Glucose 不<46.8 mg/dL,但有症狀,如昏睡、蒼白、流冷汗。
結果
---------------------------------- ------------------------------
hGH (ng/mL) 狀況 Cortisol (mcg/dL) 狀況
---------------------------------- ------------------------------
>10 正常 > 18 正常
7 - 10 部分缺乏 < 18 可能缺乏,需其他檢查
< 7 缺乏 ------------------------------
------------------------------------------
副作用:低血糖
設備:1. IV catheter(s)
2. 20% G/W
3. Glucometer and Glucostix
參考文獻
Bundak R, Long-term auxologic effects of human growth hormone. J
Pediatr 1988;112:875-9.
Kaplan SA Growth and growth hormone: Disorders of the anterior
pituitary. in Kaplan SA ed. Clinical Pediatric and Adolescent
Endocrinology.
Milner RDG, Investigation of suspected growth hormone deficiency. Arch
Dis Child 1982;57:944-7.