Abstract
This study utilized a perfusion circuit consisting of a constant pressure reservoir of oxygenated blood and a spool-type servovalve under feed-back control. This permits control of coronary perfusion pressure in an open-chested dog independent of systemic arterial pressure. The perfusion circuit and proportional control system are described. The servovalve perfusion system provides a flexible tool for studying the distribution of coronary flow under a variety of conditions. Initial investigations have been focused on determination of transmural flow distribution during systole and diastole when the coronary bed has been fully vasodilated to eliminate autoregulatory effects.
| Original language | English |
|---|---|
| Pages | 117-119 |
| Number of pages | 3 |
| State | Published - 1978 |
| Event | Adv in Bioeng, Symp Presented at the Winter Annu Meet of ASME - San Francisco, CA, USA Duration: Dec 10 1978 → Dec 15 1978 |
Conference
| Conference | Adv in Bioeng, Symp Presented at the Winter Annu Meet of ASME |
|---|---|
| City | San Francisco, CA, USA |
| Period | 12/10/78 → 12/15/78 |
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