Description

Fu et al identified risk factors for sterile dehiscence of the sternal wound following open cardiac surgery. These can help to identify a patient who may benefit from more aggressive management to avoid the complication. The authors are from New York-Presbyterian Hospital and Columbia University Medical Center in New York City.


 

Patient selection: median sternotomy for open heart surgery

 

Parameters from multivariate analysis:

(1) body mass index (BMI) in kilograms per square meter

(2) diabetes mellitus

(3) respiratory failure

Parameter

Finding

Points

body mass index

<= 30 kg per square m

0

 

> 30 kg per square m

1

diabetes mellitus

absent

0

 

not requiring medication

0

 

requires medication

1

respiratory failure

absent

0

 

present

1

 

number of risk factors =

= SUM(points for all 3 parameters)

 

Interpretation:

• minimum number of risk factors: 0

• maximum number of risk factors: 3

• The risk increases with the number of risk factors present.

 

Additional factors from univariate analysis:

(1) prior surgery during this admission

(2) unplanned cardiac reoperation

(3) >= 2 arterial conduits

 


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