Metformin in diabetics at-risk for abdominal aortic aneurysm or diagnosed with abdominal aortic aneurysm does not seem to alter the peripheral inflammatory environment.
True aneurysms of the anterior tibial artery are rare with less than 20 published reports in the literature. We report an urgent endovascular repair of a true anterior tibial artery aneurysm in a patient with Ehlers-Danlos type IV, vascular type. This approach resulted in an uneventful recovery without the elevated risks associated with open vascular repair in the setting of connective tissue disorder. Continuous follow-up in the subsequent 4 years has demonstrated durability and efficacy of the original intervention.
Objective: Transcarotid artery revascularization (TCAR) using the ENROUTE Neuroprotection System (Silk Road Medical) is a United States Food and Drug Administration–approved treatment modality for stroke risk reduction in the setting of carotid artery stenosis. The goal of this investigation was to define the real-world outcomes associated with the application of this technique to patients presenting with restenosis after previous carotid endarterectomy (CEA) or transfemoral carotid artery stenting (TF-CAS). Methods: Retrospective review of prospectively maintained institutional databases capturing all nontrial TCARs performed between August 2013 and July 2018 using the ENROUTE Neuroprotection System was completed at 3 unaffiliated hospital systems and unified for descriptive outcomes analysis. Results: During the study period, 237 combined TCARs were performed at our respective institutions. Of these procedures, 55 stents were implanted for the indication of restenosis after previous carotid revascularization (47 CEA, 8 TF-CAS). Within the 30-day perioperative period, we observed no ipsilateral strokes or deaths; one patient experienced perioperative myocardial infarction (MI; 1.8%). We noted a 4.8% incidence of postoperative hematoma, but none of these events were clinically significant as no reinterventions were performed in any of the 55 patients. Additionally, we did not observe any cases of stent thrombosis or pulmonary embolus. Mean length of stay was 2.2 ± 2.8 days. Our mean follow-up duration was 15.0 ± 9.2 months. Throughout the follow-up period, we did not observe any additional stroke or MI events. Additionally, there were no cases of in-stent restenosis, thrombosis, or reinterventions. Conclusion: Transcarotid artery revascularization can be performed in patients with restenotic carotid arteries with acceptable rates of ipsilateral stroke, MI, and death as demonstrated in this small multi-institutional series.
This article describes a deep femoral arteriovenous fistula (AVF) diagnosed over a decade after a small caliber gunshot injury to the groin. The fistula persisted following 2 previous attempts at endovascular exclusion and was referred to our institution for further care. We describe the successful exclusion of the AVF via a combination of endovascular techniques. Postoperatively, obliteration was noted to be durable for 4 additional years of follow-up.
The treatment of patients with symptomatic tandem lesions of their carotid artery is challenging. One solution is carotid endarterectomy with retrograde ipsilateral proximal endovascular intervention, but it is associated with a higher postoperative risk of stroke. Unfortunately, symptomatic patients with tandem lesions often present with stenotic, calcified supra-aortic arch vessels and require multiple modalities to adequately revascularize including staged approaches or hybrid procedures. Herein, we report the successful treatment of a symptomatic 76-year-old female with a calcific severe stenosis of her innominate artery treated by a prosthetic bypass graft from her ascending aorta to proximal common carotid artery, interval ligation, and use of TransCarotid artery revascularization with reverse-flow to treat her proximal internal carotid artery stenosis via this bypass graft.
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