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Abstract
A study was made of eight very obese patients, average body weight 325 pounds, with
the alveolar hypoventilation syndrome. Initial treatment included a low calorie intake,
the administration of digitalis and diuretics, and intermittent positive pressure
breathing. After a stable level of improvement was reached, within five to twenty-three
days, 100 mg. of progesterone was given daily by intramuscular injection. Progesterone
therapy increased alveolar ventilation by an additional 29.3 per cent and total minute
ventilation by 20.6 per cent. Arterial blood gas tensions and pH were returned toward
normal and respiratory acidosis was abolished. Abnormal ventilatory-carbon dioxide
response curves were restored to normal by progesterone therapy. Progesterone is thus
an effective agent for improving ventilation in patients with the obesity-hypoventilation
syndrome. The site and mode of action of progesterone is unknown. Respiratory control
was normal during progesterone administration, but reappearance of an abnormal state
recurred within a month after progesterone therapy was discontinued.
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Article info
Publication history
Received:
June 12,
1967
Footnotes
☆This study was supported by the U.S. Public Health Service Grant No. 5T1 HE 5485-05 and NB 01594.
Identification
Copyright
© 1968 Published by Elsevier Inc.