Key result
Postoperative open intracardiac surgery patients exhibited wider variations in metabolic rate, hemoglobin, and arterial oxygen than nonsurgical patients, making cardiac output relations less predictable.
Why the study?
How do physiological variables and cardiac performance differ in patients after open intracardiac surgery compared to nonsurgical patients?
Population
Patients after open intracardiac surgery
Design
Cohort
Follow-up
postoperative period
Authors
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Greater variability may reduce reliability of standard cardiac output estimates postoperatively; leaves open need for prospective validation of monitoring strategies.
Observational
How do physiological variables and cardiac performance differ in patients after open intracardiac surgery compared to nonsurgical patients?
The study highlights that standard physiological relationships, such as between cardiac output and mixed venous oxygen saturation, are less predictable in the acute postoperative phase following open intracardiac surgery.
Kirklin et al. (1963) conducted an observational in Open intracardiac surgery. Open intracardiac surgery vs. Nonsurgical patients was evaluated on Cardiac output and related variables. Postoperative open intracardiac surgery patients exhibited wider variations in metabolic rate, hemoglobin, and arterial oxygen than nonsurgical patients, making cardiac output relations less predictable.
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