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Femoropopliteal

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https://www.readbyqxmd.com/read/28330991/limb-flexion-induced-twist-and-associated-intramural-stresses-in-the-human-femoropopliteal-artery
#1
Anastasia Desyatova, William Poulson, Paul Deegan, Carol Lomneth, Andreas Seas, Kaspars Maleckis, Jason MacTaggart, Alexey Kamenskiy
High failure rates of femoropopliteal artery (FPA) interventions are often attributed to severe mechanical deformations that occur with limb movement. Torsion of the FPA likely plays a significant role, but is poorly characterized and the associated intramural stresses are currently unknown. FPA torsion in the walking, sitting and gardening postures was characterized in n = 28 in situ FPAs using intra-arterial markers. Principal mechanical stresses and strains were quantified in the superficial femoral artery (SFA), adductor hiatus segment (AH) and the popliteal artery (PA) using analytical modelling...
March 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28303688/patient-level-meta-analysis-of-999-claudicants-undergoing-primary-femoropopliteal-nitinol-stent-implantation
#2
Krishna J Rocha-Singh, Joshua A Beckman, Gary Ansel, Sean P Lyden, Peter Schneider, Manish Mehta, Michael Dake, Christopher M Mullin, Michael R Jaff
CONDENSED ABSTRACT: The factors that impact the clinical effectiveness of bare nitinol stents in claudicants with symptomatic femoropopliteal atherosclerosis are incompletely known. The authors analyzed variables that may influence stent durability and provide a benchmark for their effectiveness. Data analyzed from six studies (999 patients) included baseline noninvasive hemodynamic tests, angiographic characteristics, ultrasound defined stent patency and target lesion revascularization through 12-months...
March 17, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28303659/invasive-characterization-of-atherosclerotic-plaque-in-patients-with-peripheral-arterial-disease-using-near-infrared-spectroscopy-intravascular-ultrasound
#3
Amr E Abbas, Sibin K Zacharias, James A Goldstein, Ivan D Hanson, Robert D Safian
OBJECTIVES: We describe the characteristics of atherosclerotic plaque in patients with peripheral arterial disease (PAD) using near-infrared spectroscopy-intravascular ultrasound (NIRS-IVUS) BACKGROUND: Imaging and autopsy studies have described atherosclerotic plaque in different vascular beds, including varying degrees of lipid, fibrosis, and calcification. Recently, NIRS has been validated as an accurate method for detecting lipid-core plaque (LCP) in the coronary circulation. Invasive evaluation of plaque composition using NIRS-IVUS has not been reported in different peripheral arterial circulations...
March 17, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28300676/bare-metal-versus-paclitaxel-eluting-stents-for-long-femoropopliteal-lesions-prospective-cohorts-comparison-using-a-propensity-score-matched-analysis
#4
Pierre-Alexandre Vent, Adrien Kaladji, Jean-Michel Davaine, Béatrice Guyomarch, Philippe Chaillou, Alain Costargent, Thibaut Quillard, Yann Gouëffic
BACKGROUND: The study aims to compare outcomes of primary stenting of TASC C/D femoropopliteal (FP) lesions with bare metal stent (BMS) versus paclitaxel eluting stent (PES). METHODS: In a single centre study, we established 2 consecutive and prospective cohorts with TASC C/D FP de novo lesions. The inclusion and exclusion criteria were similar. Bare metal stent (LifeStent(®), Bard Peripheral) and PES (Zilver(®) PTX(®), Cook Peripheral Vascular) were implanted...
March 11, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28296239/stent-placement-in-the-superficial-femoral-and-proximal-popliteal-arteries-with-the-innova-self-expanding-bare-metal-stent-system
#5
Richard J Powell, Michael R Jaff, Herman Schroë, Andrew Benko, Juan Diaz-Cartelle, Stefan Müller-Hülsbeck
OBJECTIVES: The SuperNOVA trial was designed to evaluate performance of the Innova Vascular Self-Expanding Stent System (Boston Scientific, Marlborough, MA) for treating lesions in the femoropopliteal arteries. METHODS: Patients with chronic lower limb peripheral artery disease (Rutherford category 2, 3, or 4) and atherosclerotic lesions in the native superficial femoral and/or proximal popliteal artery (lengths 30-190 mm) were enrolled in this single-arm, multinational study...
March 15, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28295971/mid-term-outcomes-of-orbital-atherectomy-combined-with-drug-coated-balloon-angioplasty-for-treatment-of-femoropopliteal-disease
#6
T Raymond Foley, Ryan P Cotter, Damianos G Kokkinidis, Daniel D Nguyen, Stephen W Waldo, Ehrin J Armstrong
PURPOSE: To assess the intraprocedural and mid-term outcomes of orbital atherectomy (OA) combined with drug-coated balloon (DCB) angioplasty for the treatment of calcified femoropopliteal disease. METHODS: In this single-center cohort, 89 patients (139 lesions) were treated with DCB angioplasty for claudication or critical limb ischemia (CLI). Angiographic characteristics and procedural outcomes were reviewed for patients treated with or without adjunctive OA. Lesion calcification was graded using two previously published scoring systems, the angiographic calcium score (ACS) and the peripheral artery calcification scoring system (PACSS)...
March 15, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28294663/-role-of-the-homograft-bypass-in-extremity-inferior-s-reconstructions
#7
Zsuzsa Nagy, Zoltán Oláh, Judit Kókai, Anna Barbara Molnár, Ágnes Laczkó, Gábor Viktor Szabó, Viktória Juhász, Dávid Garbaisz, Márton Berczeli, Zsófia Sztupinszky, Zoltán Szeberin
INTRODUCTION: Vascular homografts are used for limb salvage in cases of graft infection after previous reconstructive vascular surgery or inadequate autologous veins. During multi-organ donation the thoracic aorta segment, aortic bifurcation, iliac arteries, femoral arteries, popliteal arteries, femoral veins and greater saphenous veins can be harvested. Our aim was to optimize the use of homografts by analyzing the results of previous procedures. METHODS: The patient information was processed retrospectively, using the clinical computer system...
March 2017: Magyar Sebészet
https://www.readbyqxmd.com/read/28275827/intraprocedural-distal-embolization-after-femoropopliteal-angioplasty-is-there-a-role-for-below-the-knee-stents
#8
Miltiadis Krokidis, Tariq Ali, Nicholas Hilliard, Nadeem Shaida, Andrew Winterbottom, Brendan Koo, Teik Choon See
PURPOSE: Intraprocedural distal embolization is an accepted complication of femoropopliteal angioplasty. The purpose of this study is to assess the use of below-the-knee stents in the "bail-out" of conventional methods. MATERIALS AND METHODS: We retrospectively reviewed 1485 of femoropopliteal angioplasties that were performed in our centre in a 4-year period and analysed 12 cases (<1%) where distal embolization that required further intervention occurred. In all cases lesions were chronic and 75% suffered from critical limb ischaemia...
March 8, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28274753/results-for-primary-bypass-versus-primary-angioplasty-stent-for-lower-extremity-chronic-limb-threatening-ischemia
#9
Jeremy D Darling, John C McCallum, Peter A Soden, Lindsey Korepta, Raul J Guzman, Mark C Wyers, Allen D Hamdan, Marc L Schermerhorn
BACKGROUND: Long-term results comparing percutaneous transluminal angioplasty with or without stenting (PTA/S) and open surgical bypass for chronic limb-threatening ischemia (CLTI) in patients who have had no prior intervention are lacking. METHODS: All patients undergoing a first-time lower extremity revascularization for CLTI by vascular surgeons at our institution from 2005 to 2014 were retrospectively reviewed. Outcomes included perioperative complications, wound healing, restenosis, primary patency, reintervention, major amputation, RAS events (ie, reintervention, major amputation, or stenosis), and mortality...
March 5, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28268108/relationship-between-clinical-outcomes-and-vessel-size-in-endovascular-therapy-for-femoropopliteal-lesions
#10
Seiichi Hiramori, Yoshimitsu Soga, Osamu Iida, Kenji Suzuki, Keisuke Hirano, Daizo Kawasaki, Yoshiaki Shintani, Kenji Ando
OBJECTIVE: We investigated the relationship between the outcomes of endovascular therapy (EVT) for femoropopliteal (FP) lesions and vessel diameter. Several studies have reported a relationship between the outcome of EVT for FP lesions and lesion characteristics. However, the relationship with vessel diameter has not been explored. METHODS: We retrospectively analyzed 2656 patients with 3340 de novo FP lesions (mean age, 73.9 ± 9 years; 70% male) who underwent EVT from January 2004 to December 2011...
March 4, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28259571/preoperative-inflammatory-status-as-a-predictor-of-primary-patency-after-femoropopliteal-stent-implantation
#11
Kenneth R Nakazawa, Sean P Wengerter, John R Power, Robert A Lookstein, Rami O Tadros, Windsor Ting, Peter L Faries, Ageliki G Vouyouka
OBJECTIVE: The purpose of this study was to evaluate the impact of preoperative inflammatory status, as determined by complete blood count test parameters, on 12- and 24-month patency of femoropopliteal stenting for peripheral arterial disease. METHODS: We retrospectively analyzed baseline clinical and angiographic data among 138 patients (median age, 73 years; 46% female) from 2005 to 2014 at our institution with preoperative complete blood count test values and information of patency for at least 12 months after first-time femoropopliteal stenting...
March 1, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28257775/emerging-and-future-therapeutic-options-for-femoropopliteal-and-infrapopliteal-endovascular-intervention
#12
REVIEW
Damianos G Kokkinidis, Ehrin J Armstrong
Despite recent advances in endovascular therapy for peripheral artery disease, current technologies remain limited by rates of long-term restenosis and application to complex lesion subsets. This article presents data on upcoming therapies, including novel drug-coated balloons, drug-eluting stents, bioresorbable scaffolds, novel drug delivery therapies to target arteries, techniques to limit postangioplasty dissection, and treatment of severely calcified lesions.
April 2017: Interventional cardiology clinics
https://www.readbyqxmd.com/read/28257771/current-role-of-atherectomy-for-treatment-of-femoropopliteal-and-infrapopliteal-disease
#13
REVIEW
Nicolas W Shammas
Atherectomy improves the acute procedural success of a procedure whether treating de novo or restenotic (including in-stent) disease. Intermediate follow-up results seem to be in favor of atherectomy in delaying and reducing the need for repeat revascularization in patients with femoropopliteal in-stent restenosis. Recent data suggest that avoiding cutting into the external elastic lamina is an important factor in reducing restenosis. The interplay between directional atherectomy and drug-coated balloons is unclear...
April 2017: Interventional cardiology clinics
https://www.readbyqxmd.com/read/28257769/drug-coated-balloons-current-outcomes-and-future-directions
#14
REVIEW
Ananya Kondapalli, Barbara A Danek, Houman Khalili, Haekyung Jeon-Slaughter, Subhash Banerjee
Paclitaxel-coated drug-coated balloons have significantly improved short-term and mid-term clinical outcomes in patients with symptomatic femoropopliteal peripheral artery disease. However, long-term results are awaited. Furthermore, the clinical success of drug-coated balloons in the infrapopliteal peripheral arteries has been more modest and overall similar to traditional balloon angioplasty, and remains an area of unmet clinical need. This article provides an overview of the clinical evidence for paclitaxel-coated balloons in the femoropopliteal and infrapopliteal peripheral artery distributions and future directions in this area...
April 2017: Interventional cardiology clinics
https://www.readbyqxmd.com/read/28256175/recanalization-of-peripheral-chronic-total-occlusions-no-fancy-devices-just-a-crossing-catheter
#15
Alessandro Cannavale, Tariq Ali, Chen-Yang Shen, George Kassimis, Miltiadis Krokidis
BACKGROUND: Chronic total occlusions (CTOs) are challenging to treat endovascularly. Classic subintimal approach is offering only moderate success rates mainly due of the lack of dedicated crossing catheters. Purpose of this study is to assess the acute procedural success of the use of a novel hydrophilic crossing catheter in the recanalization of peripheral CTOs. MATERIALS AND METHODS: This is a retrospective, single-centre study of patients with femoropopliteal CTOs...
March 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28251562/how-should-recent-endovascular-trials-for-femoropopliteal-artery-disease-be-interpreted
#16
REVIEW
Yoshiaki Yokoi
Most cases of femoral-popliteal disease require aggressive medical treatment, but patients with severe lifestyle-limiting symptoms and limb-threatening disease are increasingly receiving endovascular treatment. The femoropopliteal artery is the longest vessel in the thigh and the unique physical forces involved in this vessel are considered to cause high rates of restenosis and stent fracture. Endovascular therapy for superficial artery (SFA) disease is still a challenge in terms of long-term patency and clinical effectiveness...
March 1, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28250690/aortoiliac-reconstruction-in-the-setting-of-in-stent-restenosis
#17
H S Natraj Setty, T R Raghu, B C Srinivas, C M Nagesh, Babu Reddy, Jayashree Kharge, B K Geetha, B N Krishnamurthy, Shivanand Patil, C N Manjunath
Complex iliac artery obstructions, particularly bilateral stenosis or total iliac artery occlusions, are usually treated with aortofemoral or aortobifemoral graft surgery. However, surgical treatment is associated with 3% mortality rate and significant morbidity such as intestinal ischemia, spinal cord injury, and ureteral damage. Percutaneous interventions of aortic bifurcation offer a promising alternative to surgery with potentially lower morbidity and mortality risk. We report a case of peripheral artery disease who had underwent right transfemoral iliac angioplasty with femoropopliteal bypass presented again with bilateral lower limb ischemia, who was successfully treated with stent implantation with the kissing balloon technique...
January 2017: Journal of Natural Science, Biology, and Medicine
https://www.readbyqxmd.com/read/28240525/infrapopliteal-calcification-patterns-in-critical-limb-ischemia-diagnostic-pathologic-and-therapeutic-implications-in-the-search-for-the-endovascular-holy-grail
#18
Jihad A Mustapha, Larry J Diaz-Sandoval, Fadi Saab
Critical limb ischemia (CLI) represents the terminal stage of peripheral arterial disease (PAD) and is characterized by multilevel and multivessel disease. Amongst patients with infrainguinal disease, approximately one third have predominantly isolated infrapopliteal disease and the remaining two thirds, a combination of femoropopliteal and infrapopliteal disease. Isolated infrapopliteal disease is mainly seen in the elderly, diabetic, or dialysis-dependent patients. These patients have higher risk of amputation and shorter amputation-free survival...
February 27, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28238927/initial-and-long-term-results-of-a-microcatheter-based-retrograde-approach-for-the-endovascular-treatment-of-chronic-total-occlusion-in-iliac-or-femoropopliteal-arteries
#19
Junya Matsumi, Takuma Takada, Noriaki Moriyama, Tomoki Ochiai, Kazuki Tobita, Koki Shishido, Kazuya Sugitatsu, Shingo Mizuno, Futoshi Yamanaka, Masato Murakami, Yutaka Tanaka, Saeko Takahashi, Takeshi Akasaka, Shigeru Saito
BACKGROUND: Initial and long-term outcomes of the retrograde endovascular approach using a microcatheter for the treatment of chronic total occlusion (CTO) in the iliac or femoropopliteal (FP) arteries has not been fully elucidated. METHODS: From 2012 to 2014, 20 consecutive patients (21 limbs) underwent endovascular therapy (EVT) for CTO in the iliac or FP arteries using the microcatheter-based retrograde approach. An analysis of the initial and long-term outcomes was conducted...
February 23, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28236917/outcomes-of-native-superficial-femoral-artery-chronic-total-occlusion-recanalization-after-failed-femoropopliteal-bypass
#20
Mark G Davies, Hosam F El-Sayed
OBJECTIVE: When a bypass fails, the options are lysis, redo bypass, or endovascular intervention. If lysis of the original bypass is not considered an option, which is better-redo bypass or attempts at endovascular recanalization of the native system? This retrospective study examined the outcomes of native superficial femoral artery (SFA) chronic total occlusion (CTO) recanalization compared with redo bypass after failed femoropopliteal bypass. METHODS: Patients presenting with a symptomatic failed femoropopliteal bypass that underwent attempted CTO endovascular (EV) recanalization of the native SFA or a redo femoropopliteal bypass (BP) from 2000 to 2015 were analyzed...
March 2017: Journal of Vascular Surgery
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