Template:LRINEC SCORE: Difference between revisions

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''Be aware LRINEC score has not been prospectively validated, index of suspicion is key and 10% of the patients with a score < 6 had Necrotizing Fasciitis''<ref> Wong C. "The LRINEC (Laboratory Risk Indicator for Necrotizing Fasciitis) score: a tool for distinguishing necrotizing fasciitis from other soft tissue infections". Crit Care Med. 2004. 32(7):1535-41.</ref>
''Be aware LRINEC score has not been prospectively validated, index of suspicion is key and 10% of the patients with a score < 6 had Necrotizing Fasciitis''<ref> Wong C. "The LRINEC (Laboratory Risk Indicator for Necrotizing Fasciitis) score: a tool for distinguishing necrotizing fasciitis from other soft tissue infections". Crit Care Med. 2004. 32(7):1535-41.</ref>


*CRP (mg/L) ≥150: '''4 points'''
#CRP (mg/L) ≥150: '''4 points'''
*WBC count (×10<sup>3</sup>/mm<sup>3</sup>)
#WBC count (×10<sup>3</sup>/mm<sup>3</sup>)
**<15: '''0 points'''
#*<15: '''0 points'''
**15–25: '''1 point'''
#*15–25: '''1 point'''
**>25: '''2 points'''
#*>25: '''2 points'''
*Hemoglobin (g/dL)
#Hemoglobin (g/dL)
**>13.5: '''0 points'''
#*>13.5: '''0 points'''
**11–13.5: '''1 point'''
#*11–13.5: '''1 point'''
**<11: '''2 points'''
#*<11: '''2 points'''
*Sodium (mmol/L) <135: '''2 points'''
#Sodium (mmol/L) <135: '''2 points'''
*Creatinine (umol/L) >141: '''2 points'''
#Creatinine (umol/L) >141: '''2 points'''
*Glucose (mmol/L) >10: '''1 point'''
#Glucose (mmol/L) >10: '''1 point'''


'''Grouping by Scores:'''
'''Grouping by Scores:'''

Revision as of 12:34, 8 September 2015

  • May use to risk stratify patients with signs of cellulitis but concern for deep space infection. It is useful in context of a diagnosed or strongly suspected severe soft-tissue infection
  • Score based on: CRP, WBC, Hb, Na, Cr, Glucose and a Score > 6 has PPV of 92% and NPV of 96% for necrotizing fasciitis

Be aware LRINEC score has not been prospectively validated, index of suspicion is key and 10% of the patients with a score < 6 had Necrotizing Fasciitis[1]

  1. CRP (mg/L) ≥150: 4 points
  2. WBC count (×103/mm3)
    • <15: 0 points
    • 15–25: 1 point
    • >25: 2 points
  3. Hemoglobin (g/dL)
    • >13.5: 0 points
    • 11–13.5: 1 point
    • <11: 2 points
  4. Sodium (mmol/L) <135: 2 points
  5. Creatinine (umol/L) >141: 2 points
  6. Glucose (mmol/L) >10: 1 point

Grouping by Scores:

  • Low Risk: score 5
  • Moderate Risk: score 6– 7
  • High Risk: score >8

A proposed algorithm using the LRINEC score

  1. ↑ Wong C. "The LRINEC (Laboratory Risk Indicator for Necrotizing Fasciitis) score: a tool for distinguishing necrotizing fasciitis from other soft tissue infections". Crit Care Med. 2004. 32(7):1535-41.
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