Linked Life Data

11001085

Source:http://linkedlifedata.com/resource/pubmed/id/11001085

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
9
pubmed:dateCreated
2000-10-12
pubmed:abstractText
Progestins stimulate respiration. We have previously shown prolonged ventilatory improvement in chronic respiratory failure with short-term medroxyprogesterone acetate (MPA). The mechanism of the sustained respiratory effect is unknown. Insulin-like growth factor-I (IGF-I) and insulin have anabolic effects which could also improve ventilation in the long-term. To better understand the interactions between hormones and control of breathing, we evaluated the degree and duration of changes in IGF-I, insulin and cortisol after short-term MPA therapy in chronic respiratory insufficiency. Fourteen postmenopausal women with permanent or episodic hypercapnic or hypoxaemic respiratory failure were recruited for a placebo-controlled single-blind trial. After 14 days of placebo treatment and 7 days of washout, a daily dose of 60 mg MPA was administered for 14 days. Serum IGF-I, insulin and cortisol were measured five times at 3-week intervals: at baseline, after 14 days on placebo, after 14 days on MPA, and during the washout, on days 21 and 42. Serum IGF-I levels were 15.2 (SD 4.6), 20.8 (SD 6.8) and 17.2 (SD 6.4) at baseline, on MPA and after a 3-week washout. Serum insulin levels did not change [12.5 mU l(-1) (SD 4.1), 12.2 mU l(-1) (SD 4.8) and 14.5 mU l(-1) (SD 3.6), respectively]. Serum cortisol did not change. On MPA, IGF-I increased on average by 5.6 nmol l(-1) [95% confidence interval (95% CI) 1.4 to 9.9] or 42.0% (95% CI 6.3 to 77.8) from baseline. The IGF-I response coincided with the previously reported ventilatory improvement. MPA 60 mg daily for 2 weeks increases serum IGF-I in postmenopausal women with chronic respiratory insufficiency. During follow-up after MPA, there was a trend towards increased IGF-I and insulin levels. The role of these two hormones to induce prolonged ventilatory stimulation could not be excluded and further studies in larger populations are warranted.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0954-6111
pubmed:author
pubmed:issnType
Print
pubmed:volume
94
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
909-16
pubmed:dateRevised
2011-11-17
pubmed:meshHeading
pubmed:year
2000
pubmed:articleTitle
IGF-I and ventilation after short-term progestin in postmenopausal women with chronic respiratory insufficiency.
pubmed:affiliation
Department of Pulmonary Diseases, Turku University Hospital, Finland. tarja.saaresranta@tyks.fi
pubmed:publicationType
Journal Article, Clinical Trial, Randomized Controlled Trial, Research Support, Non-U.S. Gov't