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In comparison with complications that follow percutaneous arteriotomy when PSMC devices are not used for hemostasis: (1) pseudoaneurysms after the use of PSMC devices are larger and do not respond to ultrasound compression, (2) complications associated with PSMC devices result in more blood loss and increased need for transfusion and are more likely to require extensive operative procedures, and (3) arterial infections after the use of PSMC devices are more common and require aggressive surgical management.

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The aortic diameter significantly decreases during blood loss in this porcine model. If these changes take place in hypovolaemic TTAI patients as well, it may have implications for thoracic endovascular aortic repair (TEVAR). Increased oversizing of the endograft, or additional computed tomography (CT) or IVUS imaging after fluid resuscitation for more adequate aortic measurements, may be needed in TTAI patients with considerable blood loss.