ELAPSS Score

Last edit by Alaric Steinmetz on

The ELAPSS score is a risk score for estimating the risk of aneurysm growth and is composed as follows[^1].

Score

Previous subarachnoid hemorrhage

Points

Yes

0

No

0

Location of the aneurysm

Points

ICA / ACA / ACOM

0

MCA

3

PCOM

5

Age

Points

60 years

0

> 60 years (per 5 years)

1

Population

Points

North America, China, Europe (except Finland)

0

Japan

1

Finland

7

Aneurysm size in mm

Points

1.0 - 2.9 mm

0

3.0 - 4.9 mm

4

5.0 - 6.9 mm

10

7.0 - 9.9 mm

13

≥ 10.0

22

Shape of the aneurysm

Points

Regular

0

Irregular

4

Interpretation

The resulting score can be interpreted as follows: