期刊
GROWTH HORMONE & IGF RESEARCH
卷 13, 期 4, 页码 185-192出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/S1096-6374(03)00030-3
关键词
acromegaly; mortality; morbidity; cure; growth hormone; insulin-like growth factor-I
A number of groups have developed guidelines to indicate whether an individual with acromegaly has been cured by treatment. However, studies to date do not provide a robust definition of biochemical remission of the disorder based on correlation with long-term outcome. Available data suggest that those with a random serum growth hormone (GH) level of <2.5 mug/l, or a glucose-suppressed GH level of <1 mug/l following treatment have mortality figures indistinguishable from the general population. However, the confidence limits for these mortality estimates are quite wide. It remains possible that growth hormone levels lower than 1 mug/l for random samples, or even lower when using ultrasensitive GH assays, may indicate superior outcome, but this remains to be confirmed. There are limited data relating serum insulin-like growth factor-I (IGF-I) levels to outcome, although normalisation of serum IGF-I clearly improves outcome compared with continued elevation of measurements after treatment. Current evidence suggests that a post-treatment random serum GH <2.5 mug/l and a normal serum IGF-I value defines biochemical cure. Available data suggest that achieving similar growth hormone levels after treatment also reduces the prevalence of chronic complications of the disorder, which is subsequently reflected in improved mortality. (C) 2003 Elsevier Science Ltd. All rights reserved.
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