Annals of vascular surgery
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Congenital absence of the inferior vena cava (AIVC) is a rare vascular anomaly that may be associated with deep vein thrombosis (DVT). It is underreported and may be present in up to 5% of young patients with DVT. We report a unique case of simultaneous thrombosis of both superficial and deep veins in a patient with AIVC. ⋯ The hypothesis for DVT in patients with AIVC is that venous drainage of the lower limbs is inadequate, leading to venous stasis and thrombosis. All young patients presenting with idiopathic DVT should be investigated for inferior vena cava anomalies with computed tomography if ultrasound does not visualize the inferior vena cava.
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Endovenous laser therapy (EVLT) is an accepted form of axial vein ablation for symptomatic venous reflux but there is debate regarding its efficacy and complication rates in large veins (≥1 cm). In addition, its role in the treatment of small saphenous veins (SSVs) and anterior accessory veins (AAVs) has not been well characterized either. ⋯ Complication rates and closure rates are not significantly different for veins of diameter ≥ 1 cm and smaller veins. Although more energy is used, this has not translated into higher complication rates, thus making EVLT safe and effective for large vein closure. Significantly higher failure and complication rates were seen in SSV and AAV treatment as compared with GSV treatment.
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Traditional open repair of distal arch aortic aneurysms requires a two-stage procedure associated with significant morbidity and mortality. The introduction of thoracic endovascular aneurysm repair has created a less invasive option to complete the second stage of the repair after proximal elephant trunk creation. The present study reports a series of patients treated with a combined open proximal and endovascular distal repair of distal arch aortic aneurysms. ⋯ The hybrid approach to treatment of distal arch aortic aneurysms is safe and serves as a viable alternative to conventional open repair. Less technically challenging, avoidance of a second surgery as well as elimination of the possibility of becoming lost to follow-up, or interval mortality have led us to consider a single-stage repair using an antegrade approach as the preferred option.
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Review Case Reports
Endovascular stent-graft repair of a tuberculous mycotic aortic aneurysm.
Mycobacterium tuberculosis is a rare cause of mycotic aortic aneurysms, which have been classically treated with a combination of antimycobacterial medical therapy and open surgery. Endovascular therapy has been gaining popularity as an alternative to open surgery for mycotic aneurysms. We report a case of a tuberculous mycotic aneurysm of the descending thoracic aorta that was successfully treated with endovascular stent-graft placement with complete resolution of the pseudoaneurysm at 1 year. We also review other cases in the previously published data to identify factors that may affect the outcome of endovascular treatment of tuberculous mycotic aneurysms.
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Since the first published report of a fenestrated endovascular aneurysm repair, we have seen an expansion in the range of custom-made devices used to manage complex aortic aneurysms. Fenestrated devices, branched devices, and chimneys are now frequently used in many centers to repair these aneurysms. Similar to standard endovascular aneurysm repair, the advantages of less operative blood loss, decreased hospital stay, and reduced risk of morbidity and mortality hold true for endovascular repair of complex aneurysms as well. This is contrasted by the requirement for long-term surveillance and increased incidence of secondary interventions.