Criteria to Identify High Risk Surgical Patients

Age

Systolic blood pressure

Diastolic blood pressure

Unintended weight loss over the past 6 months

Serum osmolality

Serum albumin

Serum creatinine

Upper limit of reference range for serum creatinine

Serum bilirubin

Upper limit of reference range for serum bilirubin

Serum ammonia

Hematocrit (enter from 0 to 100)

Recent acute blood loss

PaO2

FIO2 (enter from 21 to 100)

Urinary output

White blood cell count

• severe pancreatitis?

• gangrenous bowel?

• peritonitis?

• bowel perforation?

• severe gastrointestinal bleeding?

• late state vascular disease involving the aorta?

• respiratory failure requiring mechanical ventilation for > 48 hours?

• a positive blood culture with a pathogenic organism or a septic focus?

• major trauma affecting multiple organs or systems?

• major trauma with penetration into 2 or more body cavities?

• spiking fever >= 38.8°C for 48 hours?

• extensive ablative surgery for malignant disease?

• prolonged surgery (more than 8 hours)?

Chronic lung disease

NYHA classification heart failure