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https://www.readbyqxmd.com/read/29349440/preservation-of-internal-iliac-arteries-during-endovascular-aneurysm-repair-using-eye-of-the-tiger-technique
#1
Tariq Almerey, W Andrew Oldenburg
Parallel endografts were introduced as a way to expand endovascular repair of aneurysms involving branch vessels. However, endoleaks as a result of the gutters between the parallel endografts made this technique less favorable. The "eye of the tiger" technique was introduced to reduce the gutters between the parallel endografts proximally in the aorta. We report endovascular repair of infrarenal abdominal aortic aneurysm using eye of the tiger technique distally to preserve the internal iliac arteries.
December 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29349429/repair-of-a-mycotic-abdominal-aortic-aneurysm-in-a-neonate-using-an-everted-jugular-vein-patch
#2
Samantha L Ahle, Jonathan A Cardella, Muriel A Cleary, David H Stitelman, Timur P Sarac, Michael G Caty
A 43-day-old boy presented with bacteremia after umbilical artery catheterization. Duplex ultrasound examination revealed a 1.1- × 1.6-cm mycotic infrarenal aortic aneurysm and an incidental asymptomatic occluded right common iliac artery. Resection and repair were completed by creating an everted, double-layered internal jugular vein patch. Screening ultrasound examination 10 months postoperatively demonstrated successful repair.
December 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29349411/takayasu-arteritis-with-middle-aortic-syndrome-and-mesenteric-ischemia-treated-by-aortic-stenting
#3
Sarah Morrissey, Kong Teng Tan, John Stephen Byrne
A 48-year-old woman suffering from Takayasu arteritis presented with middle aortic syndrome consisting of abdominal pain, refractory hypertension with pulmonary edema and pleural effusions, and lower limb ischemia. She failed to improve with high-dose steroid therapy and underwent endovascular stenting of two severe stenoses in the supraceliac and infrarenal aorta. Her symptoms resolved and hypertension improved after the procedure.
September 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29349409/salvage-of-bilateral-renal-artery-occlusion-after-endovascular-aneurysm-repair-with-open-splenorenal-bypass
#4
Samuel Jessula, Christine R Herman, Min Lee, Christopher B Lightfoot, Patrick Casey
We report renal salvage maneuvers after accidental bilateral renal artery coverage during endovascular aneurysm repair of an infrarenal abdominal aortic aneurysm. A 79-year-old man with an infrarenal abdominal aortic aneurysm was treated with endovascular aneurysm repair. Completion angiography demonstrated coverage of the renal arteries. Several revascularization techniques were attempted, including endograft repositioning and endovascular stenting through the femoral and brachial approach. The patient eventually underwent open splenorenal bypass with a Y Gore-Tex graft (W...
September 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29349388/atypical-infrarenal-aortic-coarctation
#5
Brian M Leoce, Herbert Dardik, Mahesh Bikkina, Thomas R Bernik
No abstract text is available yet for this article.
June 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29349376/directional-tip-control-technique-for-optimal-stent-graft-alignment-in-angulated-proximal-aortic-landing-zones
#6
Toshio Takayama, Patrick J Phelan, Jon S Matsumura
Angulated anatomy in the aorta, such as tortuous infrarenal aortic necks or steep aortic arches, is a significant challenge for endovascular aortic repair because it often causes inadequate sealing and fixation, which may lead to treatment failure. We have developed a technique using off-the-shelf equipment to precisely control the deployment of stent grafts in challenging landing zones. The key of this technique is to create a through-and-through wire between two access sites and to use a guiding device over the wire...
June 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29349366/an-18-cm-unruptured-abdominal-aortic-aneurysm
#7
Nathan M Droz, Jason Miner, Louisa Pecchioni
Abdominal aortic aneurysm (AAA) is a significant source of morbidity and ranked by the Centers for Disease Control and Prevention as the 15th leading cause of death among adults aged 60 to 64 years. Size confers the largest risk factor for aneurysm rupture, with aneurysms >6 cm having an annual rupture risk of 14.1%. We present the case of a 60-year-old man found on ultrasound imaging at a health fair screening to have a 15-cm AAA. Follow-up computed tomography angiography revealed an 18-cm × 10-cm unruptured, infrarenal, fusiform AAA...
March 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29346011/minimally-invasive-management-of-severe-aortoiliac-occlusive-disease
#8
Luigi Pascarella, Maen Aboul Hosn
BACKGROUND: Peripheral arterial disease (PAD) is a complex and highly prevalent pathology. It has been estimated that ∼8.5 million people in the United States are affected by PAD, of which 12%-20% are older than age 60. The TransAtlantic Inter-Society Consensus (TASC) guidelines classified aortoiliac atherosclerotic disease based on morphology and level of lesions. TASC II guidelines recommend bilateral surgical bypass to the femoral arteries for TASC II C and D lesions. The aortobifemoral bypass (ABF) has been considered the gold standard in the treatment of aortoiliac occlusive disease (AIOD)...
January 18, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29345393/the-protective-effect-of-spinal-cord-stimulation-postconditioning-against-spinal-cord-ischemia-reperfusion-injury-in-rabbits
#9
Huixian Li, Xiuhua Dong, Mu Jin, Weiping Cheng
BACKGROUND: Delayed paraplegia due to spinal cord ischemia/reperfusion injury (IRI) remains one of the most severe complications of thoracoabdominal aneurysm surgery, for which effective prevention and treatment is still lacking. OBJECTIVES: The current study investigates whether spinal cord stimulation (SCS) postconditioning has neuroprotective effects against spinal cord IRI. METHOD: Ninety-six New Zealand white male rabbits were randomly divided into four groups as follows: a sham group and three experimental groups (C group, 2 Hz group, and 50 Hz group) n = 24/group...
January 18, 2018: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29343922/periureteral-inferior-vena-caval-venous-ring-presenting-as-urinary-obstruction
#10
Suprava Naik, Arashdeep Singh, Sudipta Mohakud, Nerbadyswari Deep
The embryological development of the inferior vena cava (IVC) is complex, and thus the vena cava may undergo a large number of congenital anomalies. Periureteric venous ring is a rare developmental anomaly of IVC where the right ureter passes through a slit-like opening in a partially duplicated infrarenal IVC, resulting in dilatation of upper urinary tract. Split-bolus multidetector computed tomography technique is useful in detecting such vascular anomaly causing ureteric obstruction as it can clearly show the vascular and ureteric phase in a single acquisition...
January 2018: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/29343476/role-of-macrophage-socs3-in-the-pathogenesis-of-aortic-dissection
#11
Satoko Ohno-Urabe, Hiroki Aoki, Michihide Nishihara, Aya Furusho, Saki Hirakata, Norifumi Nishida, Sohei Ito, Makiko Hayashi, Hideo Yasukawa, Tsutomu Imaizumi, Hidetoshi Akashi, Hiroyuki Tanaka, Yoshihiro Fukumoto
BACKGROUND: Aortic dissection (AD) is a life-threatening medical emergency caused by the abrupt destruction of the intimomedial layer of the aortic walls. Given that previous studies have reported the involvement of proinflammatory cytokine interleukin-6 in AD pathogenesis, we investigated the role of signal transduction and activator of transcription 3 signaling, a downstream pathway of interleukin-6 in macrophages in pathogenesis of AD. METHODS AND RESULTS: We characterized the pathological and molecular events triggered by aortic stress, which can lead to AD...
January 17, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29338298/coronary-and-arch-hybrid-surgery-in-a-patient-with-infrarenal-aortic-occlusion
#12
Teng Kiat Koh, Jocelyn Zi Lin Ting, Bernard Wee, Rustem Khamitov, Kristine Teoh, Julian Wong, Vitaly A Sorokin
A 65-year-old gentleman with claudication underwent contrast-enhanced computed tomography. The scan showed occlusion of the infrarenal abdominal aorta and a 6.0 × 3.7 cm saccular zone-3 arch aneurysm. The left ventricular ejection fraction was 35% and a coronary angiogram revealed triple-vessel disease. In view of the patient's high risk with EuroSCORE II 20.34%, coronary artery surgery was combined with hybrid type I arch aneurysm repair. An endovascular stent was delivered in an antegrade manner. Open heart surgery and a hybrid type I arch intervention can be performed simultaneously through a midline sternotomy approach...
January 1, 2018: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/29337211/extraperitoneal-para-aortic-lymphadenectomy-by-robot-assisted-laparoscopy
#13
Ana Gomes da Costa, Yves Borghesi, Delphine Hudry, Julie Faes, Lucie Bresson, Fabrice Narducci, Eric Leblanc
STUDY OBJECTIVE: The aim of this study was to evaluate the outcomes of extraperitoneal para-aortic lymphadenectomy by robot-assisted laparoscopy. DESIGN: A retrospective study (Canadian Task Force classification III). SETTING: An academic institution. PATIENTS: Twenty-three consecutive patients with gynecologic cancer who presented for para-aortic lymphadenectomy between March 2016 and May 2017 were reviewed retrospectively...
January 11, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29337042/endovascular-recanalization-for-nonmalignant-obstruction-of-the-inferior-vena-cava
#14
Young Erben, Haraldur Bjarnason, Gudrun L Oladottir, Robert D McBane, Peter Gloviczki
OBJECTIVE: The aim of this study was to evaluate outcomes of endovascular recanalization of the inferior vena cava (IVC) and iliac veins with long-standing chronic venous obstruction caused by nonmalignant disease. METHODS: Medical records for 66 patients who underwent endovascular recanalization of the IVC with or without iliac veins from January 2001 to December 2014 at our medical center were retrospectively reviewed. Primary outcomes included morbidity and mortality; secondary outcomes included primary, primary assisted, and secondary patency and resolution of symptoms...
January 11, 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29334863/totally-percutaneous-fenestration-via-the-cheese-wire-technique-to-facilitate-endovascular-aneurysm-repair-in-chronic-aortic-dissection
#15
Jordan R Stern, Danielle E Cafasso, Darren B Schneider, Andrew J Meltzer
Here, we describe a totally percutaneous technique for longitudinal fenestration of a chronic dissection flap in the setting of endovascular aneurysm repair (EVAR), where the septum would otherwise preclude proper endograft sealing. This technique is demonstrated in a 65-year-old man with a history of open surgical repair of a Stanford type A aortic dissection, with a type B component that was managed nonoperatively. The patient developed aneurysmal degeneration of the infrarenal aorta during follow-up, and his anatomy was well suited for EVAR with the exception of a chronic dissection flap dividing the proximal seal zone...
January 1, 2018: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29334334/mortality-after-endovascular-treatment-of-infrarenal-abdominal-aortic-aneurysms-the-newer-the-better
#16
Aspasia Tzani, Ilias P Doulamis, Ioannis Katsaros, Eirini Martinou, Dimitrios Schizas, Konstantinos P Economopoulos
Although endovascular repair of infrarenal abdominal aortic aneurysms (EVAR) presents a delicate alternative treatment for abdominal aortic aneurysms (AAA) with lower perioperative mortality, its long-term efficacy remains a matter of concern. The purpose of this study was to evaluate the currently reported mortality evidence after EVAR and to examine the possible effect of aneurysm status and the study period on mortality rates. The PubMed and Cochrane bibliographical databases were thoroughly searched for studies reporting on more than 1 000 patients with non-ruptured or ruptured infrarenal AAA, treated with EVAR from August 1991 to September 2016...
January 15, 2018: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/29325136/haemodynamic-performance-of-afx-and-nellix-endografts-a-computational-fluid-dynamics-study
#17
Anastasios Raptis, Michalis Xenos, George Kouvelos, Athanasios Giannoukas, Miltiadis Matsagkas
OBJECTIVES: The objective of this study is to analyse the flow conditions in the AFX and Nellix endografts (EGs) accounting for their postimplantation configuration in patients with an endovascular aneurysm repair-treated abdominal aortic aneurysm. METHODS: We reconstructed post-endovascular aneurysm repair computed tomography scans of patients treated with an AFX or Nellix EG creating post-implantation EG models. We examined 16 patients, 8 in each group. The blood flow properties were obtained by computational fluid dynamics simulations and were subsequently compared with physiological infrarenal blood flow properties measured in 5 healthy subjects...
January 8, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29319725/experimental-implantation-of-an-arterial-substitute-made-of-silicone-reinforced-with-polyester-fabric-in-rabbits
#18
Laila Massad Ribas, Inez Ohashi Torres, Fernanda Appolonio, Karina Paula Domingos Rosa, Fabio Rodrigues Ferreira do Espírito-Santo, Nelson De Luccia
OBJECTIVES: The aim of this study was to analyze silicone tubes with an internal diameter of 4 mm as a possible material for vascular prostheses. METHODS: Grafts were implanted into the infrarenal aortas of 33 rabbits. Fluoroscopic examinations were performed within 150 days after surgical implantation. Sample grafts were analyzed via electron microscopy to evaluate the eventual endothelialization of the prostheses. RESULTS: The patency rates of the prostheses were 87% (±6...
December 2017: Clinics
https://www.readbyqxmd.com/read/29316285/colonic-ischemia-developed-after-laparoscopic-colectomy-for-rectosigmoid-cancer-with-focal-infrarenal-aortic-stenosis
#19
Atsuyo Ikeda, Hidekazu Takahashi, Norikatsu Miyoshi, Naotsugu Haraguchi, Taishi Hata, Chu Matsuda, Hirofumi Yamamoto, Tsunekazu Mizushima, Yuichiro Doki, Masaki Mori
A 69-year-old woman with focal infrarenal aortic stenosis was diagnosed with rectosigmoid cancer. Because radical resection for colon cancer required dissection of vessels that supplied blood flow to the legs, revascularization by aortic stent placement was performed before the colectomy. We subsequently performed laparoscopic low anterior resection without any complications. Two and a half years after colectomy, however, the patient developed colonic ischemia due to thrombosis of the dilated marginal artery that served as a collateral artery before stenting...
January 8, 2018: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/29288059/the-safety-of-device-registries-for-endovascular-abdominal-aortic-aneurysm-repair-systematic-review-and-meta-regression
#20
REVIEW
Fran Kent, Graeme K Ambler, David C Bosanquet, Christopher P Twine
OBJECTIVES: New and re-designed stent grafts for endovascular aortic aneurysm repair (EVAR) are released regularly. Manufacturers use data from registries to assess stent graft performance, but little is known about the ability of such registries to detect rates of clinically relevant complications. The aim of this paper was to perform a systematic review and meta-analysis to determine pooled failure rates for EVAR stent grafts, to define an acceptable non-inferiority limit for these devices, and then to calculate the number of patients needed for a new device to achieve non-inferiority against published devices...
December 26, 2017: European Journal of Vascular and Endovascular Surgery
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