Le Rouzic et al reported the ESOD score for evaluating a patient with COPD. This can help to identify a patient who is a frequent exacerbator. The authors are from multiple institutions in France.
Patient selection: COPD
A patient with 2 or more moderate or severe exacerbations per year is likely to become a frequent exacerbator.
Parameters:
(1) exacerbation (E), based on any hospitalization during previous 2 years
(2) sputum (S) based on chronic daily production
(3) obstruction (O) based on FEV1 as percent of expected
(4) dyspnea (D) by modified MRC dyspnea scale
Parameter
Finding
Points
any hospitalization during past 2 years
no
0
yes
1
chronic daily sputum production
no
0
yes
1
FEV1 as percent of expected
>= 50%
0
< 50%
1
modified MRC dyspnea scale
0 to 2
0
3 or 4
1
total score =
= SUM(points for all 4 parameters)
Interpretation:
• minimum score: 0
• maximum score: 4
• A score >= 2 is associated with being a frequent exacerbator.
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