Sir.—In a recent issue of the Journal (132:139, 1978), Krauss and Auld and colleagues informed us that in their nursery, neonates who are well enough to be fed and to breath room air are managed with umbilical arterial catheters for "anticipated respiratory distress," whatever that may be. Although the authors twice protested their innocence of the clinical management decisions, they are hardly absolved. Both Krauss and colleagues1 and Auld2 have warned us of the dangers of umbilical arterial catheters. Perhaps they should attempt to correct the glib attitude that appears to prevail in their own nursery.
As far as the substance of their article is concerned, it is not true that "these findings are similar to those of Yao and colleagues.3" Yao et al found that peripheral circulation was markedly (49%) decreased 15 to 30 minutes after a feeding. The data presented by Krauss et
POWERS WF. Pulmonary Function Following Feeding in Low-Birth-Weight Infants. Am J Dis Child. 1979;133(2):221. doi:10.1001/archpedi.1979.02130020113027