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https://www.readbyqxmd.com/read/29137915/first-line-direct-access-for-transarterial-embolization-of-a-dural-arteriovenous-fistula-case-report-and-literature-review
#1
Brent J Doolan, Iddo Paldor, Peter J Mitchell, Andrew P Morokoff
Intracranial dural arteriovenous fistulae (DAVF) are complex vascular malformations consisting of a pathological shunt located between meningeal arteries and drainage to dural venous sinuses and/or cerebral veins. We report an unusual anatomical variation, resulting in a DAVF forming between the superior sagittal sinus and an anomalous origin of the middle meningeal artery (MMA) arising from the left ophthalmic artery. We present an atypical case requiring mini-craniotomy for catheter access, as well as cannulation of extracranial arterial supply prior to embolization of a Cognard type IIa+b fistula...
November 11, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29073499/management-of-major-vascular-injury-during-pedicle-screw-instrumentation-of-thoracolumbar-spine
#2
Aleem K Mirza, Mohammed Ali Alvi, Ryan M Naylor, Panagiotis Kerezoudis, William E Krauss, Michelle J Clarke, Daniel L Shepherd, Ahmad Nassr, Randall R DeMartino, Mohamad Bydon
OBJECTIVES: Vascular injury is a rare complication of spinal instrumentation. Presentation can vary from immediate hemorrhage to pseudoaneurysm formation. In the literature, surgical approach to repair has varied based on anatomy, acuity of diagnosis, infection, and available technology. In this manuscript, we aim to describe our institutional experience with vascular injuries in thoraco-lumbar spine surgery. PATIENTS AND METHODS: We report our institutional experience of three cases of vascular injury secondary to pedicle screw misplacement and their management, as well as a review of the literature...
October 16, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28988940/dual-lumen-balloon-to-increase-onyx-venous-penetration-in-the-treatment-of-spinal-dural-arteriovenous-fistulas
#3
Felipe Padovani Trivelato, Marco Túlio Salles Rezende, Alexandre Cordeiro Ulhoa, Guilherme Seizem Nakiri, Daniel Giansante Abud
PURPOSE: Spinal dural arteriovenous fistulas (sDAVF) are the most common spinal vascular lesions. The arterialization of the recipient vein results in venous hypertension and chronic ischemia. Intravascular injection of acrylic glue in order to occlude the draining vein is the principle of endovascular treatment, but a significant portion of embolization procedures do not succeed. We present our initial experience of endovascular balloon augmented embolization of sDAVF using a dual-lumen balloon...
October 5, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28951393/arteriovenous-fistulae-of-the-filum-terminale
#4
REVIEW
Enrico Giordan, Waleed Brinjikji, Elisa Ciceri, Giuseppe Lanzino
Filum terminale arteriovenous fistulae are a rare type of arteriovenous shunt generally characterized by a single direct communication between the artery of the filum terminale and a single draining vein. These intradural arteriovenous shunts are three times more common in men than women (mean age 55 years). Symptoms are related to venous congestion, vascular hypertension, and a putative chronic steal phenomenon which result in spinal cord ischemia and myelopathy. Interestingly, hemorrhage has never been reported as a mode of presentation...
September 26, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28951386/development-of-an-intracranial-dural-arteriovenous-fistula-after-venous-sinus-stenting-for-idiopathic-intracranial-hypertension
#5
Thomas J Buell, Daniel M Raper, Dale Ding, Ching-Jen Chen, Kenneth C Liu
We report a case in which an intracranial dural arteriovenous fistula (DAVF) developed after endovascular treatment of a patient with idiopathic intracranial hypertension with venous sinus stenting (VSS). The pathogenesis may involve hemodynamic alterations secondary to increased poststenting venous sinus pressure, which may cause new arterial ingrowth into the fistulous sinus wall without capillary interposition. Despite administration of dual antiplatelet therapy, there may also be subclinical cortical vein thrombosis that contributed to DAVF formation...
September 26, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28943485/results-of-infrageniculate-bypasses-using-the-profunda-femoris-artery-as-inflow-source
#6
Giulio Illuminati, Francesco G Calio', Giulia Pizzardi, Rocco Pasqua, Federica Masci, Francesca Frezzotti, Piergaspare Palumbo, Francesco Vietri
BACKGROUND: When the common femoral artery is not accessible for infrainguinal bypass grafting, the profunda femoris artery (PFA) can be a valuable alternative inflow source for distal arterial revascularization. The purpose of this retrospective study was to evaluate the results of infrageniculate bypass grafting via the PFA as inflow source for critical limb ischemia. METHODS: Between 1994 and 2016, 68 patients, 51 men of a mean age of 74 years, underwent an infrageniculate arterial bypass grafting for critical limb ischemia, using the PFA as inflow site...
September 22, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28890062/national-utilization-and-outcomes-of-redo-lower-extremity-bypass-vs-endovascular-intervention-after-previous-failed-bypass-redo-lower-extremity-bypass-superior-to-endovascular-intervention
#7
J Hunter Mehaffey, Alexander Shannon, Robert B Hawkins, Anna Fashandi, Margret C Tracci, Irving L Kron, Gilbert R Upchurch, William P Robinson
BACKGROUND: Redo Lower extremity bypass (LEB) and infrainguinal endovascular intervention (IEI) are options to treat critical limb ischemia after a failed prior lower extremity bypass but the utilization and outcomes of each are poorly described. The purpose of this study was to compare 30-day Major Adverse Limb Events (MALE) and Major Adverse Cardiovascular Events (MACE) after LEB and IEI in patients with a failed prior ipsilateral LEB and determine risk factors for each composite outcome...
September 7, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28882969/successful-resection-and-vascular-ligation-of-a-large-hepatic-artery-aneurysm-a-case-report-and-literature-review
#8
Nicolae Bacalbasa, Iulian Brezean, Claudiu Anghel, Ion Barbu, Mihai Pautov, Irina Balescu, Vladislav Brasoveanu
The occurrence of hepatic artery aneurysms is rare and might be incidentally diagnosed, as the patient remains asymptomatic for a long period of time. However, due to the fact that these lesions are associated with a high risk of developing life threatening complications, such as intraperitoneal rupture, it has been stated that all cases should be submitted to treatment by endovascular or surgical approach. We present the case of a 68-year-old patient, who presented with recurrent upper digestive tract bleedings and was diagnosed with a large aneurysm of the common and the proper hepatic artery, and the gastroduodenal artery...
September 2017: In Vivo
https://www.readbyqxmd.com/read/28826865/medial-tentorial-dural-arteriovenous-fistula-embolization-single-experience-with-embolic-liquid-polymer-squid-and-review-of-the-literature
#9
Andrea Gioppo, Giuseppe Faragò, Valentina Caldiera, Luigi Caputi, Alberto Cusin, Elisa Ciceri
BACKGROUND: Tentorial dural arteriovenous fistulas (DAVFs) are uncommon, complex fistulas located between the leaves of the tentorium cerebelli with a specific anatomic and clinical presentation characterized by high hemorrhagic risk. We present a rare case of a medial tentorial DAVF successfully managed via transarterial embolization using SQUID liquid polymer. CASE DESCRIPTION: A 60-year-old woman presented with a history of left progressive hearing loss and tinnitus for >1 year...
November 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28790213/-surgical-treatment-of-cervical-carotid-artery-aneurysm
#10
Ryo Hamasaki, Toshiharu Yanagisawa, Yusuke Takahashi, Hiroaki Shimizu
Cervical carotid aneurysms are rare, and surgical treatment should be planned for each patient. The authors report 9 cases of cervical carotid aneurysm in 9 patients(mean age, 53.7 years;5 men)who were treated surgically between 2005 and 2014. The aneurysm was located in the internal carotid artery in 6 patients, the common carotid artery in 2 patients, and the carotid bifurcation in 1 patient. Four aneurysms were recurrences after a previous endovascular intervention(parent artery coil embolization, covered stent placement, or stent with coil embolization)...
August 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28764614/quantitative-evaluation-of-arteriovenous-malformation-hemodynamic-changes-after-endovascular-treatment-using-parametric-color-coding-a-case-series-study
#11
Rodrigo Rivera, Juan G Sordo, Daniel Echeverria, Lautaro Badilla, Camila Pinto, Catalina Merino-Osorio
Background Brain arteriovenous malformations (AVMs) are complex vascular lesions. Endovascular treatment results are usually measured by calculating the volume reduction of the lesions. Nevertheless, vascular flow quantification seems a more physiologically accurate way of measuring endovascular results. We evaluated the use of parametric color coding (PCC) with digital subtraction angiography (DSA), in order to determine the feasibility of PCC to detect and measure the impact of AVM endovascular treatment-induced changes using real-time hemodynamic parameters...
December 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28720744/-preoperative-embolization-for-solid-cerebellar-hemangioblastoma-on-the-day-of-surgery-two-case-reports
#12
Ken Kuwahara, Tomotsugu Ichikawa, Jun Haruma, Tomohito Hishikawa, Masafumi Hiramatsu, Kenji Sugiu, Isao Date
Surgical resection of solid cerebellar hemangioblastomas can be challenging because of the profuse blood supply and tight space. We report two cases of solid cerebellar hemangioblastomas treated via surgical resection with the aid of preoperative endovascular embolization on the day of surgery. Case 1: A 36-year-old woman presented with a two-month history of headache and vomiting. Magnetic resonance imaging(MRI)revealed a right cerebellar solid mass, mild hydrocephalus, and apparent peritumoral edema. Angiogram showed a highly vascularized mass, three feeding arteries from the superior cerebellar artery(SCA), and a dilated vein draining into the confluence...
July 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28697694/midterm-outcomes-from-a-pilot-study-of-percutaneous-deep-vein-arterialization-for-the-treatment-of-no-option-critical-limb-ischemia
#13
Steven Kum, Yih Kai Tan, Michiel A Schreve, Roberto Ferraresi, Ramon L Varcoe, Andrej Schmidt, Dierk Scheinert, Jihad A Mustapha, Darryl M Lim, Derek Ho, Tjun Y Tang, Vlad-Adrian Alexandrescu, Pramook Mutirangura
PURPOSE: To report the initial clinical experience with percutaneous deep vein arterialization (PDVA) to treat critical limb ischemia (CLI) via the creation of an arteriovenous fistula. METHODS: Seven patients (median age 85 years; 5 women) with CLI and no traditional endovascular or surgical revascularization options (no-option CLI) were recruited in a pilot study to determine the safety of PDVA. All patients were diabetic; 4 had Rutherford category 6 ischemia...
July 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28697025/reboa-for-the-ivc-resuscitative-balloon-occlusion-of-the-inferior-vena-cava-rebovc-to-abate-massive-hemorrhage-in-retro-hepatic-vena-cava-injuries
#14
Cassandra L Reynolds, Adam C Celio, Lindsay C Bridges, Catalina Mosquera, Brian O'Connell, Michael R Bard, Connie M DeLa'o, Eric A Toschlog
BACKGROUND: The use of resuscitative endovascular balloon occlusion as a maneuver for occlusion of the aorta is well described. This technique has life-saving potential in other cases of traumatic hemorrhage. Retro-hepatic inferior vena cava (IVC) injuries have a high rate of mortality, in part, due to the difficulty in achieving total vascular isolation. This studies purpose was to investigate the ability of resuscitative balloon occlusion of the IVC (REBOVC) to control supra-hepatic IVC hemorrhage in a swine model of trauma...
July 8, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28655549/lower-extremity-bypass-for-critical-limb-ischemia-decreases-major-adverse-limb-events-with-equivalent-cardiac-risk-compared-with-endovascular-intervention
#15
COMPARATIVE STUDY
J Hunter Mehaffey, Robert B Hawkins, Anna Fashandi, Kenneth J Cherry, John A Kern, Irving L Kron, Gilbert R Upchurch, William P Robinson
OBJECTIVE: Lower extremity bypass (LEB) has traditionally been the "gold standard" in the treatment of critical limb ischemia (CLI). Infrainguinal endovascular intervention (IEI) has become more commonly performed than LEB, but comparative outcomes are limited. We sought to compare rates of major adverse limb events (MALEs) and major adverse cardiovascular events (MACEs) after LEB and IEI in a propensity score-matched, national cohort of patients with CLI. METHODS: The National Surgical Quality Improvement Program (NSQIP) vascular targeted files (2011-2014) for LEB and IEI were merged...
October 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28645600/newly-detected-cervical-spinal-dural-arteriovenous-fistula-on-magnetic-resonance-angiography-causing-intracranial-subarachnoid-hemorrhage
#16
Hiroaki Matsumoto, Hiroaki Minami, Ikuya Yamaura, Yasuhisa Yoshida, Yutaka Hirata
BACKGROUND: Although an asymptomatic spinal dural arteriovenous fistula (SDAVF) can sometimes be incidentally detected on magnetic resonance imaging (MRI), there are no previous reports showing the development of an SDAVF on MRI or magnetic resonance angiography (MRA). CASE DESCRIPTION: A 64-year old man with unruptured vertebral artery dissection (VAD) developed a subarachnoid hemorrhage (SAH) during regular follow-up. Emergent endovascular coil internal trapping for the VAD was performed; however, angiography after the endovascular treatment showed a lower cervical SDAVF...
September 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28624422/endovascular-proximal-forearm-arteriovenous-fistula-for-hemodialysis-access-results-of-the-prospective-multicenter-novel-endovascular-access-trial-neat
#17
MULTICENTER STUDY
Charmaine E Lok, Dheeraj K Rajan, Jason Clement, Mercedeh Kiaii, Ravi Sidhu, Ken Thomson, George Buldo, Christine Dipchand, Louise Moist, Joanna Sasal
BACKGROUND: Hemodialysis arteriovenous fistulas (AVFs) are suboptimally used primarily due to problems with maturation, early thrombosis, and patient nonacceptance. An endovascular approach to fistula creation without open surgery offers another hemodialysis vascular access option. STUDY DESIGN: Prospective, single-arm, multicenter study (Novel Endovascular Access Trial [NEAT]). SETTINGS & PARTICIPANTS: Consecutive adult non-dialysis-dependent and dialysis-dependent patients referred for vascular access creation at 9 centers in Canada, Australia, and New Zealand...
October 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28552134/radiosurgery-for-dural-arteriovenous-malformations
#18
Conor Grady, Carolina Gesteira Benjamin, Douglas Kondziolka
Intracranial dural arteriovenous malformations (DAVFs) are relatively uncommon vascular lesions characterized by the direct connection of dural arteries into dural venous sinuses or leptomeningeal veins. Strategies for the treatment of these complex lesions have evolved significantly over the past three decades, and include open surgical disconnection, endovascular embolization, stereotactic radiosurgery (SRS), or a combination of these approaches. Radiosurgical intervention is unique in offering significant benefits to patients while exposing them to few of the risks associated with more invasive interventions...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28552132/surgical-management-of-cerebral-dural-arteriovenous-fistulae
#19
Martin J Rutkowski, Brian Jian, Michael T Lawton
Dural arteriovenous fistulae are high flow, low resistance intracranial vascular malformations defined by an aberrant connection between an artery and dural vein or sinus. Symptomatology and presentation are highly dependent on location, generally categorized as supratentorial, tentorial, or infratentorial, and consist primarily of sequelae secondary to local venous hypertension, insufficiency, and cortical venous reflux. Surgery is generally reserved for high risk or persistently symptomatic lesions that are unamenable or unresponsive to endovascular therapy...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28527934/variability-in-2-year-training-programs-in-vascular-surgery-based-on-results-of-an-association-of-program-directors-in-vascular-surgery-survey
#20
Keith D Calligaro, Danielle M Pineda, Sam Tyagi, Hong Zheng, Douglas A Troutman, Matthew J Dougherty
OBJECTIVE: Although a great deal of attention has recently focused on 5-year integrated (0+5) training programs in vascular surgery, a paucity of data exists concerning variability of daily assignments in 2-year (5+2) vascular fellowships. METHODS: We polled Association of Program Directors in Vascular Surgery members with 2-year vascular fellowships to determine the number of days in a 5-day work week that first- and second-year fellows were assigned to open vascular operations, endovascular procedures (hospital vs nonhospital facility), arterial clinic, venous clinic, noninvasive vascular laboratory (NIVL), and research...
June 2017: Journal of Vascular Surgery
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