Risk Score of Foster et al for Pulmonary Complications After Repair of an Abdominal Aortic Aneurysm

Description

Foster et al reported a score for predicting the risk of pulmonary complications after a repair of an abdominal aortic aneurysm. This can help to identify a patient who may benefit from more aggressive management. The authors are from Virginia Commonwealth University and the University of Virginia.

Patient selection: abdominal aortic aneurysm

Outcome: 30-day risk of unplanned reintubation, postoperative pneumonia, failure to liberate from mechanical ventilation within 48 hours of being intubated

Parameters:

(1) age in years

(2) surgical acuity

(3) history of severe COPD

(4) smoking status

(5) dyspnea

(6) functional dependency

(7) congestive heart failure in 30 days prior to the operation

(8) total operation time in minutes

(9) preoperative anemia (hematocrit < 37% for male; < 35% for female)

(10) preoperative serum creatinine in mg/dL

Parameter	Finding	Points
age	< 60 years	0
	60 to 69 years	21
	70 to 79 years	34
	>= 80 years	40
surgical acuity	emergency	69
	urgent or elective	0
history of severe COPD	no	0
	yes	24
smoking status	current or within past year	10
	stopped > 1 year	0
	never	0
dyspnea	none or mild	0
	moderate or at rest	16
functional dependency	none	0
	partial or total	31
congestive heart failure	no	0
	yes	32
operation time	< 168 minutes	0
	168 to 218 minutes	25
	219 to 287 minutes	36
	>= 288	59
preoperative anemia	no	0
	yes	11
preoperative creatinine	<= 1.2 mg/dL	0
	> 1.2 mg/dL	19

total score =

= SUM(points for all 10 parameters)

Interpretation:

• minimum score: 0

• maximum score: 311

• The higher the score the greater the risk of postoperative pulmonary complications.

Score	Pulmonary Complications
< 97	8.0-8.7%
97 to 158	17.1-18.1%
159 to 225	28.0-28.4%
> 225	47.7-49.2%

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Risk Score of Foster et al for Pulmonary Complications After Repair of an Abdominal Aortic Aneurysm

Description

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