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. 2024 Mar 26;17(2):120–127. doi: 10.3400/avd.ra.24-00012

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@ 2024 The Editorial Committee of Annals of Vascular Diseases.

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Fig. 2 (A) Schema of the transcatheter fenestration procedure. (a) The true lumen (T) is compressed by the dilated false lumen (F). (b) The dissecting septum is penetrated by a special needle that is inserted into the true lumen from the femoral artery, if necessary. (c) The angioplasty balloon is fully dilated and pulled across the dissected septum. (d) The true luminal narrowing and malperfusion of distal arteries are counteracted by the newly created reentry window. (B) Schema of the surgical fenestration procedure. (a) The true lumen (T) is compressed by the dilated false lumen (F). (b) The aorta is transected. (c) The proximal intima is resected and the distal aorta is reconstructed. (d) The aorta is re-sutured between the partially adventitial proximal aorta and the reconstructed distal aorta.