Neonatal small-bowel obstruction associated with amniocentesis.

volume, and total lung capacity.5 Any reduction in pulmonary mechanical efficiency must be avoided in respiratory failure, and controlled use of carbimazole may permit a fall in basal metabolic oxygen requirement but with thyroid function remaining within the normal range. Carbimazole would seem suitable for a double-blind controlled trial of treatment in chronic irreversible respiratory failure, and the drug may have a role in otherwise intractable cases while the results of such a study are awaited.