Key result
Cardiopulmonary bypass during open heart surgery decreased interstitial muscle tissue oxygen tension, reaching a minimum 4 hours post-admission to the intensive care unit.
Why the study?
Does direct oxymetry monitoring reveal changes in skeletal muscle oxygenation during cardiopulmonary bypass in patients undergoing CABG?
Population
7 patients undergoing on-pump coronary artery bypass grafting
Design
Case_series
Follow-up
Perioperative period (during surgery and first hours in ICU)
Authors
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Observed decrease in muscle oxygenation post-CPB in one case; hypothesis-generating and should not yet change practice.
Observational (n=7)
Does direct oxymetry monitoring reveal changes in skeletal muscle oxygenation during cardiopulmonary bypass in patients undergoing CABG?
Direct oxymetry monitoring during CPB reveals significant decreases in skeletal muscle oxygenation, highlighting the need for adequate blood pressure and flow to maintain peripheral perfusion.
Lonský et al. (2011) conducted an observational in Coronary artery disease requiring on-pump CABG (n=7). Cardiopulmonary bypass vs. Pre-anesthetic baseline was evaluated on Interstitial muscle tissue oxygen tension (pO2). Cardiopulmonary bypass during open heart surgery decreased interstitial muscle tissue oxygen tension, reaching a minimum 4 hours post-admission to the intensive care unit.
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