Prachand et al proposed a scoring system for Medically Necessary, Time-Sensitive (MeNTS) procedures that would aid decision making when manage scarce resources or increased risk. This consists of 3 subscores - procedure, disease and patient. The authors are from the University of Chicago.
Parameters:
(1) OR time in minutes
(2) estimated hospital length of stay
(3) need for ICU postoperative
(4) anticipated blood loss in mL
(5) surgical team size (excluding assistants)
(6) probability of intubation
(7) surgical site
Parameter
Finding
Points
OR time
< 30 minutes
1
31 to 60 minutes
2
61 to 120 minutes
3
121 to 180 minutes
4
>= 181 minutes
5
estimated LOS
outpatient
1
< 23 hours
2
24 to 48 hours
3
48 to 72 hours (2-3 days)
4
> 72 hours (>= 4 days)
5
postop ICU need
very unlikely
1
< 5%
2
5 to 10%
3
11 to 25%
4
> 25%
5
anticipated blood loss
< 100 mL
1
100 to 250 mL
2
250 - 500 mL
3
500 to 750 mL
4
>= 751 mL
5
surgical team size
1
1
2
2
3
3
4
4
>= 5
5
probability of intubation
< 1%
1
1 to 5%
2
6 to 10%
3
11 to 25%
4
> 25%
5
surgical site
none of the following
1
abdominopelvic minimally invasive
2
abdominopelvic, infraumbilical, open
3
abdominopelvic, supraumbilical, open
4
head and neck surgery; thoracic; upper GI
5
subscore =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 7
• maximum score: 35
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