Evidence for Vasomotor Control of the Pulmonary Circulation in Man

Viswanathan, R.

Lancet 1(7343): 1138-1140


ISSN/ISBN: 0140-6736
PMID: 14132634
DOI: 10.1016/s0140-6736(64)91813-6
Accession: 024643491

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An accidental observation of rise in pulmonary-artery pressure during the course of selective angiography by means of a balloon catheter led to a similar systematic study in 30 consecutive cases. All possible technical fallacies in the recording of pressures were carefully obviated. The pulmonary-artery pressure rose to a varying extent in all the cases. The rise in pressure was observed whether a large or small branch of one of the pulmonary arteries was blocked.