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World J Emerg Surg. 2019 Jul 16;14:35. doi: 10.1186/s13017-019-0255-0. eCollection 2019.

Does the conventional landmark help to place the tip of REBOA catheter in the optimal position? A non-controlled comparison study.

Author information

1Advanced Critical Care and Emergency Center, Yokohama City University Medical Center, 4-57 Urafunecho, Minami-ku, Yokohama, Kanagawa 232-0024 Japan.
2Department of Emergency Medicine, Graduate School of Medicine, Yokohama City University, 3-9 Fukuura, Kanazawa-ku, Yokohama, Kanagawa 236-0004 Japan.
3Department of Surgery Intensive Care, Nippon Medical School Hospital, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, 113-8603 Japan.
4Critical Care and Emergency Center, Yokosuka Kyosai Hospital, Yonegahama Street 1-16, Yokosuka, Kanagawa 238-8558 Japan.
5Department of Acute Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655 Japan.



Resuscitative endovascular balloon occlusion of the aorta (REBOA) for patients with traumatic torso hemorrhagic shock is available to keep a minimum level of circulatory status as a bridge to definitive therapy. However, the trajectory for placement of REBOA in the aorta has not yet been clearly defined.


We conducted a retrospective observational cohort study in the two tertiary critical care and emergency center from December 2014 to October 2018. A total of 28 patients who underwent focused assessment with sonography for trauma (FAST) were studied via contrast computed tomography (CT), and 27 were analyzed.


We divided patients into two groups based on our CT findings. The REBOA deflate group included 16 patients, and the inflate group included 11 patients. The median trace value (interquartile range) of the blood vessel center line from the common femoral artery to the tip of REBOA (blood vessel length) and the length of REBOA itself from the common femoral artery to the tip of REBOA (REBOA insertion length) were 56.2 cm (54.5-57.2) and 55.2 cm (54.2-55.6), respectively (p < 0.0001) for the deflated group, and 51.4 cm (42.1-56.6) and 50.3 cm (42.3-55.0) (p = 0.594), respectively, for the inflated group.


If REBOA was deflated, it was placed 1.0 cm longer than the insertion length of REBOA catheter itself, but that was not the case when inflating REBOA. The individual difference was large to the extent that the balloon inflated and the extent to which the balloon was pushed back toward the caudal depending on the degree of blood pressure. Further studies would be needed to validate the study findings.


Hemorrhagic shock; Resuscitative endovascular balloon occlusion of the aorta; Torso trauma

Conflict of interest statement

Competing interestsThe authors declare that they have no competing interests.

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