Fig. 4

Systolic blood pressure during REBOA procedure. 1—at admission, 2—before REBOA (NM = not measurable for patients 1 and 3), 3—within the first 5 min after AO, 4—after deflation of 1 cc (2 cc were directly deflated for patient 3), 5—after deflation of 2 cc, 6—after full deflation, and 7—at the end of the surgery