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Venous graft stents

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https://www.readbyqxmd.com/read/28700180/-superior-cava-vein-stenosis-in-a-hemodialysis-patient-with-long-term-central-venous-catheter-and-vascular-graft-a-case-report
#1
Carlo Jovane, Piera Farfaglia, Anna Maria Ierardi, Laura Rimoldi, Elisabetta Sogni, Carmela Figliola, Daniela Pogliani, Matteo Tozzi, Elena Caramella, Pasquale Esposito, Alessandro Castiglioni
Recently, the use of central venous catheters (CVC) as a vascular access in patients undergoing hemodialysis is significantly increased, mainly because of the aging of this population and the presence of several comorbidities. However, the implantation and the long stay of CVC are associated with many complications. Among them, central venous stenosis represents one of the most common problems that, if not properly diagnosed, could lead to vascular thrombosis and consequent vascular access malfunction. Here, we report a case of a 38-year-old patient, who underwent hemodialysis firstly by a CVC long-term into right jugular vein and then by a prosthetic fistula in the ipsilateral limb...
June 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28680585/pulmonary-thromboendarterectomy-in-the-setting-of-a-mediastinal-venous-malformation-with-a-congenitally-absent-left-subclavian-vein
#2
Vickram Tejwani, Karunakaravel Karuppasamy, Marcelo P Gomes, Abraham Levitin, James M Luethke, Christopher J Morin, Nicholas G Smedira, Gustavo A Heresi, Wayne F Yakes
Venous malformations have static venous lakes that predispose to spontaneous venous thrombosis within the malformation due to its low-flow static state. Thrombi of varying sizes can then embolize continually into the pulmonary arterial circulation, and occlude and narrow elastic pulmonary arteries causing chronic thromboembolic pulmonary hypertension (CTEPH). Pulmonary thromboendarterectomy (PTE) is potentially curative in CTEPH, but has not been previously reported in the setting of mediastinal and chest wall venous malformations...
March 2017: Pulmonary Circulation
https://www.readbyqxmd.com/read/28642109/neoaortic-xenoprosthetic-grafts-for-treatment-of-mycotic-aneurysms-and-infected-aortic-grafts
#3
Chukwudubem Anibueze, Visesh Sankaran, Umar Sadat, Kelvin Tan, Yvonne G Wilson, Robert E Brightwell, Michael S Delbridge, Philip W Stather
BACKGROUND: There is no international consensus regarding the optimum management of infected aortae (mycotic aneurysms, infected aortic grafts). Neoaortoiliac reconstruction has advantages over extra-anatomical bypass grafting; however, the use of autologous vein is associated with venous hypertension and compartment syndrome, alternatively cadaveric homografts are associated with high rates of perianastomotic hemorrhage, limb occlusion, and pseudoaneurysm. Arterial repair using xenoprosthetic patches is associated with lower infection rates compared to the use of prosthetic material...
June 20, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28633595/central-venous-catheter-insertion-into-the-false-lumen-of-a-complicated-aortic-dissection
#4
Ahmet Bas, Deniz Goksedef, Sedat G Kandemirli, Fatih Gulsen, Furuzan Numan
Thoracic endovascular repair is considered the first-line treatment in complicated acute type B dissection. Central venous catheters provide valuable vascular access during endovascular treatments. However, central venous catheters are not without complications. Herein, we report a case of central venous catheter insertion into the false lumen of a complicated acute type B aortic dissection by direct aortic puncture. The tip of the central venous catheter was in the false lumen. The central venous catheter was left in place initially and was removed after graft stent deployment...
January 1, 2017: Scottish Medical Journal
https://www.readbyqxmd.com/read/28583558/successful-treatment-of-a-patient-with-diffuse-portosplenomesenteric-thrombosis-using-a-pericholedochal-varix-for-portal-flow-reconstruction-during-deceased-donor-liver-transplantation-a-case-report
#5
Y-D Yu, D-S Kim, J-H Han, Y-I Yoon
Portal vein thrombosis remains a challenging issue in liver transplantation. When thrombectomy is not feasible due to diffuse portosplenomesenteric thrombosis, other modalities are adapted such as the use of a jump graft or portal tributaries or even multivisceral transplantation. For patients with diffuse thrombosis of the splanchnic venous system, a large pericholedochal varix can be a useful vessel for providing splanchnic blood flow to the graft and for relieving portal hypertension. We report our experience of successfully treating a patient with diffuse portosplenomesenteric thrombosis using a pericholedochal varix for portal flow reconstruction during deceased donor liver transplantation and eventually preventing unnecessary multivisceral transplantation...
June 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28483590/giant-coronary-aneurysm-management-with-viabahn-covered-stent
#6
Tae-Hoon Kim, Ravi Marfatia, Juyong Lee, Michael Azrin
A 68year old female patient underwent coronary artery bypass surgery (CABG) 1year previously. At that time she had a giant coronary artery aneurysm (CAA) of the proximal right coronary artery and severe 3 vessel disease including a severe ostial right coronary artery stenosis, severe stenosis of the proximal and mid left anterior descending artery (LAD) and a totally occluded left circumflex artery. She underwent CABG including left internal mammary artery to LAD, aorto-saphenous venous graft (ASVG) to posterior descending artery and ASVG sequential to the first diagonal and obtuse marginal branch...
March 23, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28479457/primary-endovascular-repair-of-ilio-caval-injury-encountered-during-anterior-exposure-spine-surgery-evolution-of-the-paradigm
#7
Patrick C Bonasso, Brandon P Lucke-Wold, Alexandre d'Audiffret, Lakshmikumar Pillai
BACKGROUND: Rates of major venous injury are now being reported at between 1% and 15%. Risk factors for injury include the previous spine surgery, level of exposure, and number of retractors used. To review and describe the evolution of our use of stent grafts for repair of life-threatening ilio-caval injuries encountered during anterior exposure lumbosacral (L-S) spine surgery from rescue utilization after failed direct repair to preferred modality using occlusion balloons and covered stents akin to the modern management of the ruptured abdominal aortic aneurysm (AAA) with endovascular aneurysm repair...
May 4, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28430317/treatment-of-central-venous-in-stent-restenosis-with-repeat-stent-deployment-in-hemodialysis-patients
#8
James Ronald, Bradley Davis, Carlos J Guevara, Waleska M Pabon-Ramos, Tony P Smith, Charles Y Kim
PURPOSE: To report patency rates for stent deployment for treatment of in-stent stenosis of the central veins of the chest in hemodialysis patients. MATERIALS AND METHODS: A retrospective analysis was performed on 29 patients who underwent 35 secondary percutaneous transluminal stent (PTS) deployments for in-stent stenosis within the central veins that were refractory to angioplasty and ipsilateral to a functioning hemodialysis access (in-stent PTS group). For comparison, patency data were acquired for 47 patients who underwent 78 successful percutaneous transluminal angioplasty (PTA) procedures for in-stent stenosis (in-stent PTA group) and 55 patients who underwent 55 stent deployments within native central vein stenosis refractory to angioplasty (native vein PTS group)...
April 20, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28401801/thrombophilia-in-153-patients-with-premature-cardiovascular-disease-%C3%A2-age-45
#9
Alexander Milgrom, Kevin Lee, Matan Rothschild, Frini Makadia, Greg Duhon, Sarah Min, Ping Wang, Charles J Glueck
We assessed contributions of thrombophilia to premature cardiovascular disease (CVD) events (≤ age 45) in 153 patients. Test results of thrombophilia-hypofibrinolysis were obtained in 153 patients with CVD ≤ age 45, 110 healthy normal controls, and 110 patients who had venous thromboembolism (VTE) without CVD. Of the 153 patients with CVD, 121 (79%) had sustained myocardial infarction, 70 (46%) had coronary artery stenting, and 53 (35%) had coronary artery bypass grafts. The first CVD events occurred at ages >20 to 35 in 47 patients and at ages >35 to 45 in 106 patients...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28389294/comparison-of-aspire-mechanical-thrombectomy-versus-angiojet-thrombectomy-system-in-a-porcine-iliac-vein-thrombosis-model
#10
Roy J Weinberg, Tamuru Okada, Aaron Chen, Walter Kim, Changyi Chen, Peter H Lin
BACKGROUND: Percutaneous mechanical thrombectomy device has become an important therapeutic armamentarium in the management of venous thromboembolism. In this study, we compare the efficacy and safety profile of the AngioJet thrombectomy device and ASPIRE thrombectomy system in a porcine venous thrombosis model. METHODS: Twelve adult pigs underwent bilateral iliac venous thrombosis created by using a stent graft thrombosis model and subsequently underwent either AngioJet (n = 6) or ASPIRE mechanical thrombectomy (n = 6) 1 week later...
April 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28379404/a-prospective-study-of-external-stenting-of-saphenous-vein-grafts-to-the-right-coronary-artery-the-vest-ii-study
#11
David P Taggart, Sanaz Amin, Jasmina Djordjevic, Evangelos K Oikonomou, Sheena Thomas, Anna-Maria Kampoli, Nikant Sabharwal, Charalambos Antoniades, George Krasopoulos
OBJECTIVES: External stents significantly reduce intimal hyperplasia and improve lumen uniformity and flow pattern in saphenous vein grafts (SVG) 1 year after coronary artery bypass grafting. However, recent studies have shown that at 1 year there is a lower patency of externally stented SVG to the right coronary artery (RCA) (55-60%) when compared to the left sided coronary arteries (85-90%). In the current study, we investigated whether avoidance of both fixation of the external stent to the anastomoses and the use of metal clips to ligate SVG side branches would improve the early patency of externally stented SVG to the RCA...
May 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28377911/distal-femoral-arteriovenous-fistula-with-iliac-vein-thrombosis-after-blunt-trauma
#12
Duk Sil Kim, Sung Wan Kim, Hyun Seok Lee, Kyung Hwan Byun, Michael SungPil Choe
A 39-year-old woman arrived at our emergency department, complaining of severe pain and swelling of her left leg. She had slipped down stairs and injured on her left leg about 3 months ago. Computed tomography angiography showed left distal superficial femoral artery's pseudoaneurysm with arteriovenous fistula and thrombotic occlusion of left common iliac vein. We decided to do endovascular intervention due to severe venous hypertension and chronic inflammation around the fistula. The femoral arteriovenous fistula was closed via stent-graft (7 mm×5, 9 mm×5 cm) deployment...
March 2017: Vascular Specialist International
https://www.readbyqxmd.com/read/28341510/endovascular-stenting-of-portal-vein-for-graft-rescue-after-a-pancreas-transplant-venous-graft-thrombosis-a-case-report
#13
Ossama M Reslan, Jordan M Kirsch, Hitesh Kaul, Stalin Campos, Radi Zaki, Paul S Brady, Kamran Khanmoradi
Venous thrombosis of pancreas transplant allografts often leads to graft loss. It is an worrisome complication and difficult to treat, forming the most common nonimmunological cause of graft loss. Multiple risk factors have been implicated in the development of venous thrombosis of pancreas transplant. Color Doppler ultrasonography enables early diagnosis of venous thrombosis, thus increasing the possibility of graft-rescue treatments. Endovascular management of pancreatic transplant vascular complications is scant and in the form of case reports...
March 22, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28297068/drug-eluting-balloons-for-resistant-arteriovenous-dialysis-access-stenosis
#14
Dimitrios Karnabatidis, Panagiotis Kitrou
Vascular access maintenance is vital for hemodialysis patients. Conventional balloon angioplasty is the gold standard of treatment in endovascular therapy according to published guidelines, accompanied by bare metal stents as a bail-out method. Several devices have been used so far with a view to improve patency outcomes, but only covered stents have been proposed as a valid alternative and only for venous juxta-anastomotic stenosis of arteriovenous grafts. Paclitaxel-coated balloons (PCBs) have been extensively investigated in the last few years in pilot studies with small numbers of patients in dialysis access...
March 6, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28297058/stent-grafts-for-treatment-of-cannulation-zone-stenosis-and-arteriovenous-graft-venous-anastomosis
#15
David Shemesh, Ilya Goldin, Oded Olsha
Stent grafts (SGs) are widely used for treatment of failing vascular accesses, fistulas and grafts. The mechanical barrier of the covered stent prevents in-stent stenosis and can be used to effectively correct ruptured vein and aneurysms. Treatment of cannulation zone stenosis with SG can be justified when its use is obligatory, in order to prevent total access loss. Although there are worrying complications attendant on SG insertion and cannulation, including jeopardizing future access creation, most studies report no complications of SG in cannulation zone stenosis...
March 6, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28292391/endovascular-treatment-of-carotid-internal-jugular-venous-fistula-in-a-bomb-blast-victim
#16
Tariq Ashraf, Navedullah Khan, K M Yousaf, Maha Zainab Z. Yaqub
Carotid-internal jugular venous fistula is one of the rarest presentations among victims of bomb blast injuries. Treatment of such fistula is open surgery with high mortality and morbidity. Endovascular treatment with covered stent seems to have an optimal result with low complications. We present a case report of a bomb blast victim having carotid-jugular venous fistula with hemodynamic compromise. The patient was successfully managed with endovascular graft stent. There was an optimal result with no immediate and long-term complications...
February 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28266293/emergency-pancreatico-duodenectomy-with-superior-mesenteric-and-portal-vein-resection-and-reconstruction-using-a-gore-tex-vascular-graft
#17
Mihai Adrian Eftimie, Vasile Lungu, Marian Tudoroiu, Genady Vatachki, Severina Batca, Leonard David
Emergency pancreatico-duodenectomy(EPD) is a very rare procedure and few reports are present in medical literature. It is an uncommon approach, usually used for emergency surgical treatment of abdominal trauma that involves the head of the pancreas or the duodenum, but it is also a surgical tool for the treatment of ruptured aneurysms, bleeding pseudocysts, duodenal perforations, uncontrollable hemorrhage from ulcers and tumors, severe infectious complications of acute pancreatitis or endoscopic retrograde cholangiopancreatography related complications (1,2)...
January 2017: Chirurgia
https://www.readbyqxmd.com/read/28255132/extra-anatomical-veno-venous-surgical-bypass-for-central-vein-occlusion-in-patients-with-ipsilateral-arterio-venous-fistula-avf-for-haemodialysis-a-single-centre-experience
#18
K S Saravana, A A Zainal
OBJECTIVE: Central vein occlusion is a common complication related to central vein catheter insertion for haemodialysis which can be unmasked by an ipsilateral fistula creation, leading to a dysfunctional arteriovenous fistula (AVF). We describe an extra-anatomical venous bypass surgical procedure performed to maintain vascular access and reduce the symptoms of swelling of the ipsilateral upper limb, neck and face. MATERIALS AND METHODS: We report 20 consecutive patients with end-stage renal failure (ESRF) who had central vein occlusion and were not amenable to endovascular intervention...
February 2017: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28242409/stent-migration-during-endovascular-treatment-of-traumatic-arteriovenous-fistula-following-lumbar-spine-surgery
#19
Kiron Varghese, Srilakshmi M Adhyapak
We report the endovascular treatment of an arteriovenous fistula involving the right common iliac artery (CIA) and left common iliac vein in a 48-year-old male patient who had previously undergone lumbar spine disc surgery. A balloon expandable covered stent was deployed in the CIA which got partially dislodged into the aorta during attempted postdilatation of the stent. The proximal end of the stent was secured in place with an inflated balloon in the aorta, introduced from the contralateral iliac artery, allowing successful retrieval and dilatation of the stent graft through the ipsilateral femoral vascular access...
May 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
COMPARATIVE STUDY
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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