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Parsonnet Score

Authoring team

Method of predicting risk of undertaking cardiac surgery.

Risk Factor : Parsonnet Score

  • female gender = 1
  • obesity (>1.5 x ideal weight) = 3
  • diabetes = 3
  • hypertension (>140mmHg) = 3
  • ejection fraction
    • >50% = 0
    • 30-49% = 2
    • <30% = 4
  • age
    • 70-74 years = 7
    • 75-79 years = 12
  • reoperation
    • 1st = 5
    • 2nd =10
  • dialysis dependent = 10
  • catheter lab emergency = 10
  • catastrophic states = 10-50

Interpretation:

Parsonnet score

Risk

Predicted Mortality (%)

0-4

good

1

5-9

fair

5

10-14

poor

9

15-19

high

17

20+

extremely high

30

Reference:

  • Parsonett V et al. Circulation (1989);79(1);1.3-1.12.

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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