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https://www.readbyqxmd.com/read/29148007/how-to-treat-arteriovenous-graft-infection-total-versus-partial-graft-excision
#1
Suh Min Kim, Seung-Kee Min, Sanghyun Ahn, Sang-Il Min, Jongwon Ha, Jung Kee Chung
INTRODUCTION: Arteriovenous graft (AVG) infection can result in life-threatening sepsis and loss of vascular access. A retrospective study was performed to establish an appropriate treatment strategy for AVG infection. METHODS: A total of 50 cases of AVG infection were treated between January 2005 and June 2016. The surgical methods used were total graft excision (TGE) (n = 34), or partial graft excision (PGE) with interposition graft (n = 16). RESULTS: Infection was noted at a puncture site (n = 22), a prior incision for surgery or endovascular therapy (n = 20), and abandoned (currently unused) grafts (n = 5)...
November 11, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/29147165/outcomes-of-popliteal-to-distal-bypass-combined-with-femoropopliteal-artery-endovascular-treatment-for-critical-limb-ischemia
#2
Yoshihiko Tsuji, Ikuro Kitano, Koji Sugimoto
Objective: The aim of this study was to evaluate outcomes of combined popliteal-to-distal bypass and endovascular treatment (EVT) for femoropopliteal lesions in patients with critical limb ischemia (CLI). Patients and Methods: We reviewed data of 14 CLI patients who were treated by popliteal-to-distal bypass combined with femoropopliteal EVT. The femoropopliteal lesions included 3 TASC II-A, 8 TASC II-B, and 3TASC II-C but no TASC II-D, and balloon dilatation was performed in 9 cases and a stent was placed in 5 cases...
September 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29147158/successful-hybrid-treatment-of-stent-graft-migration-caused-by-type-b-aortic-dissection-after-endovascular-aortic-aneurysm-repair-a-case-report
#3
Tsunehiro Shintani, Kouji Atsuta, Takaaki Saito
Herein, we report a rare case of type B aortic dissection that occurred after endovascular aortic aneurysm repair (EVAR). A 66-year-old man underwent successful EVAR for an abdominal aortic aneurysm (AAA). Computed tomography (CT) 2 years after EVAR showed a type B aortic dissection with stent-graft migration and AAA expansion. Juxtarenal aortic expansion precluded simple stent-graft placement. He underwent hepato-spleno-renal bypass followed by stent-graft placement just below the superior mesenteric artery...
September 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29147155/endovascular-stent-graft-repair-of-a-persistent-sciatic-artery-aneurysm
#4
Hayato Fukuda, Seiji Onitsuka, Shohei Yoshida, Yuichiro Hirata, Shinichi Hiromatsu, Hiroyuki Tanaka
Persistent sciatic artery (PSA) is a rare anomaly that may cause various symptoms, such as aneurysm, rupture, thromboembolism, and sciatica. Direct surgery can be performed to treat PSA aneurysm (PSAA), but is associated with complications; e.g., anatomical problems such as sciatic nerve injury. Herein we report a case of a 74-year-old woman with acute limb ischemia that developed from a distal embolism caused by a thrombus in the left PSAA; favorable results were obtained for her by treatment with a stent-graft after rapid anticoagulation therapy for limb salvage...
September 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29147149/endovascular-treatment-of-infrarenal-isolated-abdominal-aortic-dissection-with-application-of-the-kissing-stents-technique-a-case-report-and-review-of-the-literature
#5
Georgios Sahsamanis, Georgios Vourliotakis, Konstantinos Maltezos, Georgios Plakas, Vasileios Tzilalis
Isolated abdominal aortic dissection (IAAD) is a rare form of aortic dissection involving usually the infrarenal part of the abdominal aorta. A 45-year-old male presented with lumbar pain and claudication. Computed tomography angiography (CTA) revealed an infrarenal IAAD extending to the left external iliac artery (EIA), causing ≥90% narrowing of the lumen. An endovascular approach was decided, with deployment of an aortic stent-graft and two balloon expandable stents in both common iliac arteries (IAs), applying the kissing stents technique...
September 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29142494/endovascular-treatment-of-abdominal-aortic-aneurysm-with-complete-iliac-occlusion-case-series-and-literature-review
#6
Randall W Franz, M Taha Ibrahim, Christopher F Tanga, David A Epstein
In patients with abdominal aortic aneurysms (AAA) and complete iliac occlusion, endovascular aortic aneurysm repair (EVAR) using a bifurcated stent graft has clear advantages over aortouniiliac stent grafts. Bifurcated stent grafts had improved hemodynamic flow and increased primary and secondary patency rates compared with aortouniiliac stent grafts. The use of aortouniiliac stent grafts with femorofemoral crossover bypass is associated with complications including infection of the prosthesis, steal phenomenon, and the associated difficulties for further endovascular access at the site of the femoral anastomosis...
December 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/29137728/a-computational-model-for-false-lumen-thrombosis-in-type-b-aortic-dissection-following-thoracic-endovascular-repair
#7
Claudia Menichini, Zhuo Cheng, Richard G J Gibbs, Xiao Yun Xu
Thoracic endovascular repair (TEVAR) has recently been established as the preferred treatment option for complicated type B dissection. This procedure involves covering the primary entry tear to stimulate aortic remodelling and promote false lumen thrombosis thereby restoring true lumen flow. However, complications associated with incomplete false lumen thrombosis, such as aortic dilatation and stent graft induced new entry tears, can arise after TEVAR. This study presents the application and validation of a recently developed mathematical model for patient-specific prediction of thrombus formation and growth under physiologically realistic flow conditions...
November 11, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29137089/a-case-report-of-takayasu-arteritis-with-aortic-dissection-as-initial-presentation
#8
JiGuang Guo, GuoWu Zhang, Dan Tang, JianBin Zhang
RATIONALE: The initial symptoms and signs of Takayasu arteritis vary due to the heterogeneity of affected vessels. Moreover, the vascular lesions are difficult to detect at initial presentation, making diagnosis even more challenging. Although cases of aortic dissection with arteritis history have been reported, Takayasu arteritis in men with aortic dissection as initial presentation is very rare. PATIENT CONCERNS: A 37-year-old man presenting with persistent chest and back pain for 6 days was transferred to our hospital for further treatment...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29136140/inaccurate-aortic-stent-graft-deployment-in-the-distal-landing-zone-incidence-reasons-and-consequences
#9
Mikolaj Berezowski, Julia Morlock, Friedhelm Beyersdorf, Marek Jasinski, Tomasz Plonek, Matthias Siepe, Martin Czerny, Bartosz Rylski
OBJECTIVES: The aim of this study was to investigate the accuracy of stent graft deployment in the distal landing zone (LZ) during thoracic endovascular aortic repair (TEVAR). Currently, TEVAR focuses on accurate stent graft deployment in the proximal LZ. Data on landing in the distal LZ are lacking. METHODS: Of 195 TEVAR patients (2005-16) with a non-dissected aortic pathology, 59 [median age 73 years (first quartile 68; third quartile 77), 20 women] patients had a distal LZ shorter than 40 mm...
November 9, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29135862/management-of-sigmoid-sinus-associated-pulsatile-tinnitus-a-systematic-review-of-the-literature
#10
Alan C Wang, Avery N Nelson, Cassandra Pino, Peter F Svider, Robert S Hong, Eleanor Chan
OBJECTIVES: Although studies demonstrate 4 to 20% of patients with pulsatile tinnitus (PT) have associated sigmoid sinus anomalies, no consensus exists regarding optimal management. Our objective was to perform a systematic review exploring surgical and endovascular intervention of PT caused by sigmoid sinus anomalies. DATA SOURCES/EXTRACTION: A systematic review was performed using the Preferred Reporting Systems for Systematic Reviews and Meta-Analysis guidelines for reporting of results, with a target population encompassing patients with PT and either sigmoid sinus diverticulum or sigmoid wall dehiscence...
December 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/29131276/the-expression-of-mmp-7-in-serum-and-aneurysm-tissues-of-patients-with-abdominal-aortic-aneurysm-associated-with-hypertension-and-the-clinical-efficacy-of-endovascular-exclusion
#11
W-H Zhang, C-H Qiao, X Zhang, H Luo, X-K Sun
OBJECTIVE: To investigate the expression of matrix metalloproteinase-7 (MMP-7) in abdominal aortic aneurysm (AAA) with hypertension, and the clinical efficacy of endovascular exclusion. PATIENTS AND METHODS: Seventy-two cases of AAA with hypertension were retrospectively analyzed. Patients were divided into the observation group (34 cases) and control group (38 cases). The control group was treated by AAA incision with artificial vascular replacement, while the observation group was treated by endovascular graft exclusion...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29130855/management-of-chronic-massive-traumatic-popliteal-artery-pseudoaneurysm-a-case-series-with-different-treatment-strategies
#12
Ali Khalifeh, Rami Kantar, J Devin B Watson, Samantha Cox, Rajabrata Sarkar, Shahab Toursvadakohi
Giant traumatic popliteal artery (PA) pseudoaneurysms (PSA) are rare but limb threatening if untreated. Management can be challenging, as no standardized approach exists. This report evaluates our experience with 3 cases treated differently. Treatment is individualized based on patient disease and comorbidities. Endovascular and local patch arterial repair are safe alternatives to graft bypass when feasible.
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29126647/popliteal-artery-aneurysm-in-women
#13
Hans Ravn, Karin Pansell-Fawcett, Martin Björck
OBJECTIVES: Ninety-five per cent of those operated on for popliteal artery aneurysm (PA) are men. Thus, PAs in women are difficult to investigate. The aim was to study the disease in women. METHODS: Women treated for PA in 1987-2012, prospectively registered in the Swedish vascular registry, Swedvasc, supplemented by case records, were compared with the larger male cohort. Survival was determined through cross linkage with the National Population Registry. RESULTS: 1509 patients (men and women), 1872 legs, were identified; of these 74 patients (4...
November 7, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29125264/drug-coated-balloons-reduce-the-risk-of-recurrent-restenosis-in-arteriovenous-fistulas-and-prosthetic-grafts-for-hemodialysis
#14
Nicola Troisi, Pierfrancesco Frosini, Chiara Somma, Eugenio Romano, Azzurra Guidotti, Pietro C Dattolo, Giuseppe Ferro, Emiliano Chisci, Stefano Michelagnoli
BACKGROUND: Aim of this study was to evaluate the early and mid-term outcomes of drug-coated balloons (DCBs) in hemodialysis patients with recurrent stenosis of arteriovenous fistula and previously treated with plain balloon angioplasty (PBA). METHODS: Between July 2013 and June 2016 38 hemodialysis patients with recurrent stenosis of arteriovenous fistula underwent endovascular treatment with a DCB at our center. All patients were previously treated at the target lesion with a PBA...
November 10, 2017: International Angiology: a Journal of the International Union of Angiology
https://www.readbyqxmd.com/read/29123447/endovascular-stent-graft-repair-of-localized-acute-aortic-intramural-hematoma-a-case-report-and-literature-review
#15
Ugur Kaya, Abdurrahim Colak, Necip Becit, Munacettin Ceviz, Hikmet Kocak
Aortic intramural hematoma (IMH) is a variant of acute aortic syndrome, which can be life-threatening. Ascending aorta IMHs, particularly accompanied by penetrating aortic ulcer (PAU), can cause dissection, rupture, and cardiac tamponade. Therefore, early surgical treatment is recommended for IMHs of the ascending aorta. Herein, we present the case of a 60-year-old male patient who was on warfarin sodium treatment and in whom an IMH localized to the arcus aorta was detected incidentally via computed tomography, with the suspicion of pulmonary embolism, and an endovascular stent graft was inserted into the arcus aorta...
October 2017: Eurasian Journal of Medicine
https://www.readbyqxmd.com/read/29122572/characterization-of-vessel-deformations-during-evar-a-preliminary-retrospective-analysis-to-improve-fidelity-of-endovascular-simulators
#16
Laura Cercenelli, Barbara Bortolani, Guido Tiberi, Chiara Mascoli, Ivan Corazza, Mauro Gargiulo, Emanuela Marcelli
OBJECTIVE: During endovascular aneurysm repair (EVAR), vessel deformations occur due to the insertion of tools and deployment of stent grafts in the arteries. We present a method for the characterization of vessel deformations during EVAR, and its application on patient datasets for a preliminary retrospective analysis that may be used to improve fidelity of endovascular simulators. DESIGN: The method provides the extraction of vessel profiles from intraoperative fluoroscopic images and the calculation of a tortuosity index in the 2D fluoroscopy view (τ2D) used to quantify the vessel deformations (δ%) during EVAR caused by the stiff guidewire insertion (δ%Stiff) and the stent graft deployment (δ%Graft), when compared with the undeformed vessel configuration (no device inserted)...
November 6, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/29121846/retrograde-ascending-dissection-after-thoracic-endovascular-aortic-repair-combined-with-the-chimney-technique-and-successful-open-repair-using-the-frozen-elephant-trunk-technique
#17
Koji Hirano, Toshiya Tokui, Bun Nakamura, Ryosai Inoue, Masahiro Inagaki, Yasumi Maze, Noriyuki Kato
The chimney technique can be combined with thoracic endovascular aortic repair (TEVAR) to both obtain an appropriate landing zone and maintain blood flow of the arch vessels. However, surgical repair becomes more complicated if retrograde type A aortic dissection occurs after TEVAR with the chimney technique. We herein report a case involving a 73-year-old woman who developed a retrograde ascending dissection 3 months after TEVAR for acute type B aortic dissection. To ensure an adequate proximal sealing distance, the proximal edge of the stent graft was located at the zone 2 level and an additional bare stent was placed at the left subclavian artery (the chimney technique) at the time of TEVAR...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29117811/a-new-endovascular-technique-for-the-treatment-of-dialysis-associated-steal-syndrome
#18
Enrico Ascher, Jacob E Mandel, Natalie A Marks, Anil P Hingorani
Background Dialysis access-associated steal syndrome is a major complication of arteriovenous fistula creation whereby the low-resistance venous conduit shunts arterial inflow through the anastomosis, resulting in clinically significant distal artery insufficiency. Herein, we describe a case of severe steal phenomenon with gangrene of a digit following placement of an arteriovenous fistula that was treated with a novel, entirely endovascular technique. To our knowledge, this was the first totally endovascular approach to dialysis access-associated steal syndrome...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/29112475/transjugular-venous-approach-for-endovascular-interventions-in-hemodialysis-grafts-and-fistulas-of-the-upper-extremities
#19
Hector Ferral, Marc J Alonzo
OBJECTIVE: This article describes the use of a transjugular venous access for interventions in upper extremity hemodialysis arteriovenous fistulas (AVFs) and grafts. This access is used in selected patients in whom direct puncture of the hemodialysis access is considered to be difficult or cumbersome. Technical success was achieved in 96.7% of patients. If an intervention is unsuccessful, the transjugular access offers the possibility of placement of a dialysis catheter for temporary or long-term hemodialysis...
November 7, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29105814/late-onset-type-i-endoleak-characterized-by-contrast-enhanced-ultrasound-after-endovascular-repair-of-aortic-aneurysm
#20
John Nathan Gifford, Hsueh Wen Cheong, Wey Chyi Teoh
We report in the case of a patient with an intra-abdominal aortic aneurysm treated with endovascular aneurysm repair (EVAR) who developed renal impairment during the period of follow up. The repair was complicated with an early-onset type II endoleak which later evolved into a late-onset type I endoleak. It was treated with proximal extension of stent graft, with treatment success and follow-up documented on contrast enhanced ultrasound (CEUS). This case illustrates the usefulness of CEUS in post-EVAR surveillance and emphasizes the need for life-long monitoring as late-onset complications are not uncommon...
November 4, 2017: Journal of Clinical Ultrasound: JCU
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