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PAUL STEIN, M.D.

AMA Arch Intern Med. 1952;90(2):234-242.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

WITH THE aim of achieving a better insight into the pathogenesis of the cardiovascular accidents which still occur so frequently during surgical operations and often remain unexplained even on autopsy I observed, in 1949, a series of patients during thoracic surgical procedures.¹ Among the causes of cardiovascular complications noted, there was a shock-like state which in certain patients recurred several times when renewed attempts were made on different days to perform the intended operation or when different stages of a thoracoplasty were performed. Immediately or soon after the patient was turned to the lateral recumbent position, a pronounced fall in blood pressure was registered, and sometimes no blood-pressure readings could be obtained for certain periods. Yet, whenever the patient was returned to the supine or sitting position, the normal preoperative pressure readings were obtained immediately or a few minutes later (see Fig. 1). This positional complication occurred before the . . . [Full Text PDF of this Article]

Author Affiliations
NEW YORK

From the division of pulmonary diseases, Montefiore Hospital, and from the cardiovascular services, City and Gouverneur Hospitals, New York.

Footnotes
This paper is based on a display presented at the Scientific Exhibit of the Twenty-Fourth Graduate Fortnight of The New York Academy of Medicine, October, 1951.

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