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The Annals of Thoracic Surgery, Vol 23, 230-234, Copyright © 1977 by The Society of Thoracic Surgeons
A Taira, Y Morishita, K Arikawa, K Murata, Y Hamada and H Akita
The flow velocity of cardiac lymph in various abnormal conditions of the
heart and in control situations was studied experimentally in dogs. The
time needed for the cardiac lymph node to become stained after injection of
contrast medium into the muscle layer of the left ventricular apex was
measured as an indicator in determining flow velocity of cardiac lymph.
Left ventricular contractility was studied simultaneously. The hypoxic dogs
had a short staining time with a vigorous cardiac beat. (Short staining
time means accelerated lymph flow through the heart). The hearts in which
the coronary sinus was ligated revealed the shortest staining time with an
insignificant contractile change. The exsanguinating dogs had a long
staining time with reduced contractility. The dogs with ventricular
fibrillation had the longest staining time. When the heart rate was fixed
by pacing, the staining time reflected contractile change. The contractile
force of the heart plays an important role in the flow velocity of cardiac
lymph.
ARTICLES
Flow velocity of cardiac lymph and contractility of the heart: an experimental study
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