Arterial line pressure servoregulation of the arterial pump was indicated by 61% of respondents and 75% of centers record arterial line pressure in their perfusion record. For vacuum-assisted venous drainage (VAVD) users, the venous pressure was measured by 72% of the responding centers. Cardioplegia system pressure was monitored by 95% of the centers. Arterial line pressure monitoring during CPB is reported by 99% with six distinct circuit site locations identified. Completed surveys were received from 75 of 117 surveys deployed yielding a 64% response rate. In June 2013, a validated 27-question online survey was sent directly through an e-mail link to the chief perfusionists in the northeast United States. Therefore, the purpose of this study is to survey the perfusion community to catalog 1) primary CPB circuit site pressure monitoring locations 2) type of manometers used 3) pressure monitoring interface and servoregulation with pump console and 4) the rationale and documentation associated with pressure monitoring during CPB. Although previous surveys demonstrate that CPB circuit pressure monitoring is widely used, there are very little data cataloging specific applications of this practice. Pressure data acquired from multiple sites of extracorporeal circuits can be an important parameter to monitor for the safe conduct of cardiopulmonary bypass (CPB).
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