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Overview of the 3 different sequences used to image volume pulsation and the main results
Sequence Stage I TFE Stage II
Improved TFE CE-Improved TFE
No. of phases in the cardiac cycle 15 18 18
No. of patients included 9 9 8^{^a}
No. of aneurysms included 10 9 8^{^a}
Mean size of the aneurysms (SD, range) (mm) 9 (4, 3–19) 8 (4, 2–14) 8 (4, 2–14)
Mean aneurysm volume change (SD, range) (mm³) 15 (14, 3–51) 38 (31, 2–88) 14 (9, 1–25)
Mean volume pulsation (SD, range) (%) 8 (7, 2–27) 39 (24, 14–73) 15 (11, 4–36)
Mean absolute observed artifactual pulsation (SD, range) (mm³) 2 (2, 0–5) – 13 (9, 1–27)
Note:—CE indicates contrast-enhanced.
↵a In 1 patient, the image acquisition of the contrast-enhanced-improved TFE failed.

Sequence	Stage I TFE	Stage II
Sequence	Stage I TFE	Improved TFE	CE-Improved TFE
No. of phases in the cardiac cycle	15	18	18
No. of patients included	9	9	8^{^a}
No. of aneurysms included	10	9	8^{^a}
Mean size of the aneurysms (SD, range) (mm)	9 (4, 3–19)	8 (4, 2–14)	8 (4, 2–14)
Mean aneurysm volume change (SD, range) (mm³)	15 (14, 3–51)	38 (31, 2–88)	14 (9, 1–25)
Mean volume pulsation (SD, range) (%)	8 (7, 2–27)	39 (24, 14–73)	15 (11, 4–36)
Mean absolute observed artifactual pulsation (SD, range) (mm³)	2 (2, 0–5)	–	13 (9, 1–27)