ABS-SMART (Aortic Balloon Supporting for Superior Mesenteric Artery Recanalization Technique): A New Technical Option for Recanalization of Complete Superior Mesenteric Artery Occlusion in Chronic Mesenteric Ischemia

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OBJECTIVE: To report our experience with a new technique for recanalization of the superior mesenteric artery (SMA)/celiac trunk (CT) with complete occlusion at the origin. TECHNIQUE: We describe our ABS-SMART (Aortic Balloon Supporting for Superior Mesenteric Artery Recanalization Technique) for recanalization of the CT and SMA in cases of complete occlusion of these arteries with a short or inexistent stump, which usually corresponds to chronic lesions with important calcification of the ostium. CONCLUSION: The ABS-SMART is an alternative for the recanalization of visceral arteries in cases where other conventional techniques have failed. It is particularly useful in scenarios characterized by a short occlusion at the origin of the target vessel, with no entry stump or severe calcification at the origin.Clinical ImpactCatheterization and recanalization of visceral stenoses may pose a challenge in some cases, as for example in the presence of a very narrow angle between the root or origin of the vessel and the aorta, as well as in the case of long and calcified stenoses, or when arteriography is unable to visualize the origin of the vessel. The present study describes our experience with the endovascular revascularization of visceral vessels using an aortic balloon-supported recanalization technique not previously described in the literature, that may be an effective alternative for the treatment of lesions of difficult access, such as total occlusion at the origin of the target vessel, with no entry stump or severe calcification at the origin of the SMA and CT, by improving the chances for technical success.

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