What question did this study set out to answer?

To determine the physiological and hemodynamic effects of quantitative pulmonary artery occlusion during massive pulmonary embolism.

May 1, 1923Archives of Surgery

The Physiology of Pulmonary Embolism as Disclosed by Quantitative Occlusion of the Pulmonary Artery

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To determine the physiological and hemodynamic effects of quantitative pulmonary artery occlusion during massive pulmonary embolism.
Reviewed physiological models evaluating vascular ligation and mechanical obstruction of pulmonary blood vessels.
Assessed changes in systemic arterial blood pressure and vascular flow dynamics following unilateral and partial pulmonary artery occlusion.
Complete ligation or occlusion of circulation to one entire lung can occur without reducing systemic arterial blood pressure.
Occlusion of up to 50% of the total pulmonary vascular bed results in only a slight decrease in circulating volume flow.

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Implication

Experimental physiological study demonstrates that unilateral pulmonary artery occlusion preserves systemic blood pressure, indicating remarkable cardiovascular compensatory capacity.

Cite This Study

G. Edmund Haggart (1923) studied this question.

synapsesocial.com/papers/6a728bdbe36a167817e3ee44 https://doi.org/10.1001/archsurg.1923.01110190107006

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Implication

Experimental physiological study demonstrates that unilateral pulmonary artery occlusion preserves systemic blood pressure, indicating remarkable cardiovascular compensatory capacity.

The Physiology of Pulmonary Embolism as Disclosed by Quantitative Occlusion of the Pulmonary Artery

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Discussion

Implication

Cite This Study

The Physiology of Pulmonary Embolism as Disclosed by Quantitative Occlusion of the Pulmonary Artery

Key Points

Discussion

Implication

Cite This Study

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