A report published in the Nov. 2011 issue of Chest analyzed the association of PRF with several clinical outcomes and applied the data to develop a risk calculator for postoperative morbidity and mortality.
The data showed five strong predictors for PRF:
• Surgery type
• Emergency case
• Dependent functional status
• Preoperative sepsis
• Higher American Society of Anesthesiologists class
The riskiest surgeries were those involving the brain, aorta and foregut/hepatopancreatobiliary region.
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