Description

Friedman listed several risk factors associated with perioperative morbidity and mortality in patients with obstructive jaundice. The author is from Massachusetts General Hospital.


 

Parameters:

(1) hematocrit

(2) serum bilirubin

(3) etiology for obstructive jaundice

(4) renal function

(5) serum albumin

(6) cholangitis

Parameter

Finding

Points

hematocrit

>= 30%

0

 

< 30%

1

serum bilirubin

<= 11 mg/dL

0

 

> 11 mg/dL

1

etiology for obstructive jaundice

nonmalignant

0

 

malignant

1

renal function

azotemia absent

0

 

azotemia present (elevated BUN)

1

serum albumin

normal

0

 

hypoalbuminemia

1

cholangitis

absent

0

 

present

1

 

total number of risk factors =

= SUM(points for all 6 risk factors)

 

Interpretation:

• minimum number of risk factors: 0

• maximum number of risk factors: 6

• The greater the number of risk factors the greater the perioperative morbidity and mortality for the patient.

 


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