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We describe an as yet undescribed complication, namely, the perforation of the balloon at a distance from its introduction and the use of EtCO2 to suspect the diagnosis. Following a high-kinetic motorcycle accident, a 25-year-old patient was admitted in our level 1 trauma center, and benefited from a resuscitation thoracotomy followed by a REBOA catheter in zone 3. The use of a small caliber introducer could be responsible for balloon injury. EtCO2 is not only a marker of cardiac output and its sudden increase in this situation should raise questions about the recirculation of ischemia product and therefore the effectiveness of the occlusion balloon.

Cardiac chamber quantification from 3D transthoracic echocardiography (3D TTE) has been shown to be superior to measurements obtained from 2D studies. However, integration of 3D TTE into routine clinical practice has been limited by the time-consuming workflow and need for 3D expertise. We assessed