Michel S Makaroun

..We evaluated the impact of an after-hours policy regulating venous duplex ultrasound (VDU) for deep vein thrombosis (DVT) diagnosis on resource utilization and patient care...

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..The goal of this study was to determine if certain angiographic lesion characteristics were predictive of higher risks of adverse outcomes...

..To report the 1-year outcomes of the United States (US) regulatory trial of the Endurant Stent Graft System (Medtronic Vascular), a new device for the treatment of abdominal aortic aneurysms (AAA)...

..The purpose of this study was to evaluate outcomes of endovascular interventions on TransAtlantic InterSociety (TASC) II D femoropopliteal occlusive disease...

..This study assessed outcomes of revascularization strategies in young patients with premature arterial disease...

..Duplex ultrasound (DU) criteria for SFA in-stent stenosis and correlation with angiographic data remain poorly defined. This study evaluated SFA-specific DU criteria for the assessment of SFA in-stent stenosis...

..This study was conducted to compare outcomes of rAAA repairs in patients with and without prior EVAR...

..The presence of popliteal or tibial vein clot is thought to adversely affect thrombolysis for iliofemoral deep vein thrombosis (DVT). We examined the effect of inflow thrombosis on functional and anatomic outcomes...

..Multiple techniques have been described to treat ISS with varying degrees of success. This study compares the management and success associated with these techniques...

..We sought to evaluate whether older patients may have compromised intracranial collaterals and cerebral reserve and be intolerant to otherwise clinically silent emboli generated during CAS...

..Abdominal aortic aneurysm (AAA) repair has undergone vast changes in the last decade. We reviewed a national database to evaluate the effect on utilization of services and rupture rates...

..CONCLUSIONS: Endovascular repair of isolated IAAs appears safe and effective, with initial results similar to those after endovascular abdominal aortic aneurysm repair...

..Report the results of a phase II multicenter, prospective trial comparing endovascular treatment of descending thoracic aneurysm (TEVAR) with the TAG device to surgical controls after 5 years of follow-up...

..Successful treatment was achieved via a common femoral to posterior tibial artery bypass with the great saphenous vein and vascular plug embolization of the aneurysm...

..The purpose of this study is to evaluate contemporary results of ruptured aortoiliac aneurysms (RAAA) and identify the role of surgeons' annual aortic volume and other prognostic indicators for early outcome...

..The purpose of this study was to evaluate the safety of an alternative follow-up modality with color flow duplex ultrasound scanning (CDU) as the sole method of imaging...

..This study determined the incidence and characteristics of recurrent disease after femoropopliteal angioplasty, following either selective or routine stenting of diseased site(s)...

..This study is a single-center propensity score comparing early and midterm outcomes between open surgical repair (OSR) and endovascular repair of rAAA (REVAR)...

..Through clinical trials, the safety and efficacy of the Gore TAG endoprosthesis were proven and shown to be superior to those of open surgical repair. This article details the device and results of these trials...

..We present a case of a 49-year-old female with NF-1 and spontaneous rupture of the infrarenal aorta caused by invasion of a neurofibroma and treated with endovascular stent grafting...

..Most are simple catheter-based procedures, but in some instances, open conversions (OCs) are required and carry a worse outcome. We reviewed our experience to characterize these OCs...

..Major event-free survival at 1 year is also significantly better in nonoctogenarians. These risks should be weighed when considering carotid stenting in elderly patients...

..This review describes the currently available published long-term results and describes some of the anecdotally reported modes of late failure associated with the technique...

..The purpose of this study was to evaluate the results of open repair for ruptured descending thoracic and thoracoabdominal aortic aneurysm (RDTAA)...

..To determine > or = 70% in-stent stenosis, PSV > or = 350 cm/s and ICA/CCA ratio > or = 4.75 are sensitive criteria. To determine > or = 50% stenosis, combining PSV > or = 225 cm/s and ICA/PCA ratio > or = 2.5 is optimal...

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..Although they should be taken seriously, CT signs of "impending rupture'' alone are poor predictors of short-term aortic aneurysm rupture, and alternative terminology is needed until better predictors can be identified...

..The natural history of acute carotid artery dissection is poorly characterized. The purpose of this study is to report on single institutional long-term outcomes...

..Open and endovascular thoracic aneurysm repairs are associated with significant complications including paraplegia, stroke, vascular insufficiency, and death. Predictors of adverse outcomes are not well-defined in this patient population...

..Ten months later, he presented with hypotension, and permanent paraplegia developed...

..The Excluder endograft has been associated with less sac regression than some other stent grafts. Long-term follow-up has not been reported...

..Thoracic endovascular aortic repair (TEVAR) is effective but remains controversial in these often-young patients. We reviewed our experience in acute and subacute treatment of these injuries with TEVAR...

..5 cm)...

..Coupling this model with our stress analysis technique may provide a more accurate means to estimate patient-specific rupture potential of AAA...

..To describe endovascular repair of traumatic iliac pseudoaneurysm and arteriovenous fistula (AVF) following spinal surgery...

..Long-term efficacy regarding the prevention of sac enlargement remains unclear, and further follow-up is suggested...

..This study reports the use of pharmacomechanical thrombectomy (PMT) in patients with contraindications to thrombolysis...

..Renal microembolization is an uncommon but distinct radiographic finding that is more associated with significant neck thrombus than fixation level...

..The clinical relevance of this method for rupture assessment has yet to be validated, however, its success could aid clinicians in decision making and AAA patient management...

..The purpose of this article is to review the current evidence supporting the application of carotid angioplasty and stenting in certain subsets of patients and the relative contraindications for its use...

..The utility of a 6-month CT, with its associated radiation exposure and contrast toxicity, obtained after a normal result at 1-month CT has not been established...

..To explore possible mechanisms of bradycardia occurring during rheolytic pharmacomechanical thrombectomy (PMT) for deep venous thrombosis (DVT) and to propose a treatment algorithm for this phenomenon...

..In the hospital vascular laboratory at a large tertiary care center, CDU cannot effectively replace CT scan in surveillance after EVAR...

..Neck dilation of 3 mm or more appears to be one risk factor for migration and late proximal endoleak...

..We reviewed our experience with AAA repair in oxygen-dependent patients to determine whether operative risk and expected long-term survival justify surgical intervention...

..EVAR is responsible for overall decrease in operative mortality even in ruptured aneurysms while decreasing utilization variables. Reimbursement to hospitals is shrinking, however...

..We describe the case of a 33-year-old woman with vascular type Ehlers-Danlos syndrome who developed metachronous tibial artery aneurysms that were sequentially treated with endovascular means...

..Unsupported endografts with active fixation may offer certain advantages in this situation. We compared EVAR results using the Ancure (Guidant) endograft in patients with and without hostile neck anatomy...

..Clinical success can be expected in over 80% of patients with type II and select type I endoleaks, with minimal morbidity...

..Our goal was to quantify the incidence of TAA in patients with an AAA and assess predictive factors for its diagnosis...

..The purpose of this article is to review the current evidence supporting the application of the technique in certain subsets of patients, and the relative contraindications for its use...

..We describe here two cases of physiologic coarctation of the aorta caused by stent graft protrusion into the arch that were successfully treated with stent graft explantation and open aortic reconstruction...

..The endograft was explanted and an extra-anatomical bypass inserted. CONCLUSIONS: Coil embolization to treat endoleaks can, on rare occasions, be the cause of aortoenteric fistula. Lifelong follow-up of stent-graft patients is required...

..However, by 2 years only endograft type was still an independent predictor of AAA shrinkage. CONCLUSIONS: Long-term morphologic changes after endovascular aneurysm repair depend on endograft type...

..This study was undertaken to compare 1-year and 5-year results of endovascular repair of abdominal aortic aneurysm (AAA) with the Guidant/EVT bifurcated graft system with results of open repair...

..Pharmacomechanical thrombolysis allows prompt clearance of venous outflow channels and is attractive in patients with end-organ compromise and high risk for bleeding...

..Our results suggest that AAA wall strength, in large aneurysms, is not related to the maximum transverse diameter. Rather, wall thickness or stiffness may be a better predictor of rupture for large AAAs...

..Prevention of graft limb occlusion is of paramount importance. It can only be achieved with an aggressive search for graft limb compromise and liberal use of angioplasty and/or stenting at the time of graft implantation...

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..Mt Sinai J Med 77:256-269, 2010. (c) 2010 Mount Sinai School of Medicine...

..Follow-up in the Gore TAG pivotal trial demonstrates that aneurysm-related mortality is improved compared with open surgical repair, with similar overall mortality and reintervention rates...

..Clinical and demographic factors were not helpful in predicting which patients would have disease progression. These data may help in assessing the cost effectiveness of duplex scanning surveillance after CEA...

..To test the hypothesis that stent-graft support influences sac shrinkage independent of endoleak rates after endovascular repair of abdominal aortic aneurysms (AAA)...

..8990) and 3D (ICC=0.9518). CONCLUSIONS: Minor axis measurements on axial CT scan can substitute for diameters obtained from 3D reconstructions in most clinical situations...

..There is little evidence, however, that filters are effective in preventing embolic lesions. This study examined the incidence of embolic phenomenon during carotid artery stenting with and without filter use...

..Unilateral IIA occlusion is well tolerated. We advocate that whenever bilateral IIA occlusion is necessary during endovascular aneurysm repair, one of the IIAs should be revascularized if it is not aneurysmal...

..The purpose of this study was to investigate the mode of presentation of superficial femoral artery aneurysms, their association with other arterial aneurysms, and their operative treatment...

..The results of a multicenter trial comparing a bifurcated endograft (AB) with standard open repair (OR) were reviewed to assess the late findings of both methods of AAA treatment...

..Those problems that occur concentrate in the week following discharge, suggesting the need for closer monitoring at this time...

..Substantial financial losses occurred at four of the participating centers. University hospitals fared surprisingly better because of higher reimbursement...

..CONCLUSION: The presence of ILT alters the wall stress distribution and reduces the peak wall stress in AAA.For this reason, ILT should be included in all patient-specific models of AAA for evaluation of AAA wall stresses...

..The aim of this study was to determine the effect of these mutations on patency of peripheral bypass procedures and preoperative and postoperative thromboembolic events...

..Compare long-term results of endovascular treatment and standard open repair of abdominal aortic aneurysms in a multicenter, concurrent-controlled trial...

..Endoleak is a risk factor for aneurysm enlargement, warranting further investigation to examine the etiology of the image, but cannot be used as an endpoint for effective endovascular aneurysm treatment...

..Whether elective surgical repair of small abdominal aortic aneurysms improves survival remains controversial...

..These and other conclusions will help to resolve controversy and aid in the management of these vexing complications and should also point the way to future research in this field...

..This report represents a comprehensive retrospective review of graft limb interventions from the Phase II EVT Trial with the Endovascular Grafting System unsupported bifurcated endograft (Guidant/EVT, Menlo Park, Calif)...

..The device is a modular bifurcated system with nitinol/expanded polytetrafluoroethylene components and a smaller profile than currently approved devices...

..Results are presented from the first completed multicenter trial directed at gaining approval from the US Food and Drug Administration of endovascular versus open surgical repair of descending thoracic aortic aneurysms...

..We reviewed a large clinical experience with six endografts to determine the behavior of type II endoleaks and whether they are graft-specific...

..To compare thrombus volume changes in a longitudinal study over 2 years after endovascular aneurysm repair using the Ancure and Excluder endografts...

..Continued surveillance of aortic neck morphology after descending thoracic aneurysm endografting is recommended...

..The nearly significant decrease in UTS in women versus men reported here may be important in assessing the risk of rupture in AAA. Further testing is warranted to confirm the current trends...