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Coil embolization

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https://www.readbyqxmd.com/read/28530161/dual-microcatheter-coil-embolization-of-acutely-ruptured-wide-necked-intracranial-aneurysms
#1
Pyeong-Ho Yoon, Jae-Wook Lee, Yun-Ho Lee, Young-Sub Kwon, Kook-Hee Yang
The dual microcatheter technique is an alternative treatment for stent-assisted coiling in acutely ruptured wide-necked aneurysms because of no antiplatelet therapy. We assessed the safety and efficacy of this technique in ruptured wide-necked aneurysms. Between March 2008 and March 2016, 56 acutely ruptured aneurysms were treated with the dual microcatheter technique. The angiographic results, treatment-related complications, and clinical outcome were documented. Angiographic follow-up was available in 37 patients at a mean of 20...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28520916/a-comparison-of-diffusion-weighted-imaging-abnormalities-following-balloon-remodeling-for-aneurysm-coil-embolization-in-the-ruptured-vs-unruptured-setting
#2
Stephen R Lowe, Tarun Bhalla, Holly Tillman, M Imran Chaudry, Aquilla S Turk, Raymond D Turner, Alejandro M Spiotta
BACKGROUND: The prothrombotic milieu seen in subarachnoid hemorrhage (SAH) poses a unique challenge to neurovascular surgeons with regard to device use and microcatheter practice. OBJECTIVE: To determine how demographic factors and balloon practices impact diffusion-weighted imaging (DWI) abnormalities and outcomes in patients with SAH compared to those without (non-SAH). METHODS: We retrospectively analyzed 77 patients with SAH treated by balloon-assisted coiling in a single institution compared with 81 consecutive patients with unruptured aneurysms treated by balloon-assisted coiling at the same institution...
May 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28512041/characteristics-of-blood-pressure-profiles-after-endovascular-coiling-as-predictors-of-clinical-outcome-in-poor-grade-aneurysmal-subarachnoid-hemorrhage
#3
Kefu Cai, Yunfeng Zhang, Lihua Shen, Qiuhong Ji, Tian Xu, Maohong Cao
OBJECTIVE: Accurate identification of patients who will achieve a favorable outcome is almost impossible preoperatively or postoperatively in poor-grade (Hunt and Hess Grade IV and V) aneurysmal subarachnoid hemorrhage (SAH). Whether characteristics of blood pressure profiles during the first 24 hours after endovascular coiling could predict prognosis in poor grade patients was explored. METHODS: Data were retrospectively obtained on all patients undergoing endovascular treatment with poor-grade SAH from Nov...
May 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28511264/visceral-artery-aneurysms-and-pseudoaneurysms-retrospective-analysis-of-interventional-endovascular-therapy-of-43-aneurysms
#4
Hannes Ruhnke, Thomas J Kröncke
Purpose To evaluate the results of interventional endovascular therapy of incidental and symptomatic visceral artery aneurysms in the elective and emergency situation. Materials and Methods 43 aneurysms in 38 patients (19 female, 19 male, mean age: 57 ± 16 years [18 - 82]) were treated between 2011 and 2015. The characteristics of the aneurysms (true vs. false aneurysm, size, etiology, location, symptoms) were considered. Furthermore, we evaluated the intervention with respect to technical success, embolic/occlusive agents used, therapy-associated complications and post-interventional follow-up...
May 16, 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28509611/efficacy-of-high-resolution-cone-beam-ct-in-the-evaluation-of-perforators-in-vertebral-artery-dissection
#5
Kenji Shimada, Michihiro Tanaka, Keisuke Kadooka, Hiromu Hadeishi
Introduction A major complication of internal coil trapping for vertebral artery dissection (VAD) is medullary infarction associated with perforator occlusion. Currently, higher spatial resolution imaging can be obtained with high-resolution cone-beam computed tomography (VASO CT), and the efficacy of perforator visualization adjacent to VAD was examined. Methods Eight patients who underwent internal coil trapping or stent-supported coil embolization underwent VASO CT to evaluate perforators around VAD. Visualization of perforators was compared with conventional digital subtraction angiography (DSA) and three-dimensional rotational angiography (3D-RA)...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28507835/endoscopic-view-of-gastroduodenal-artery-coils-at-the-base-of-duodenal-ulcer-in-case-of-recurrent-massive-upper-gastrointestinal-bleed
#6
Rawaa Ebrahem, Salam Kadhem, John W Frey, William Salyers
Helicobacter pylori (H. pylori) infection is one of the major causes of bleeding peptic ulcer disease, which is associated with serious complications; therefore, the eradication of H. pylori is essential to prevent these devastating complications. Post-treatment follow-up is crucial to guarantee the eradication of the organism and may be conducted via the urea breath test, the stool antigen test, or a gastric biopsy. Acute massive upper gastrointestinal (UGI) bleeding is one of the most common complications of peptic ulcer disease...
April 13, 2017: Curēus
https://www.readbyqxmd.com/read/28503488/treatment-of-cerebral-vasospasm-in-an-infant-using-a-modified-dotter-technique
#7
Brian M Snelling, Samir Sur, Sumedh S Shah, Eric C Peterson
An 8-month old female presented with spontaneous subarachnoid hemorrhage and was treated successfully with endovascular coil embolization of the ruptured aneurysm. Transcranial Doppler ultrasound performed four days later demonstrated middle cerebral artery (MCA) velocities greater than 350 cm/sec on the right and greater than 200 cm/sec on the left, despite medical management. The patient demonstrated no focal neurological deficits, though examination was limited by our patient's sedation and intubation. Angiography revealed severe vasospasm of the supraclinoid internal carotid and MCA territories, bilaterally...
March 2017: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/28502552/bifurcated-bifurcated-aneurysm-repair-is-a-novel-technique-to-repair-infrarenal-aortic-aneurysms-in-the-setting-of-iliac-aneurysms
#8
Susanna Hewon Shin, Benjamin Ware Starnes
BACKGROUND: Up to 40% of abdominal aortic aneurysms (AAAs) have coexistent iliac artery aneurysms (IAAs). In the past, successful endovascular repair required internal iliac artery (IIA) embolization, which can lead to pelvic or buttock ischemia. This study describes a technique that uses a readily available solution with a minimally altered off-the-shelf bifurcated graft in the IAA to maintain IIA perfusion. METHODS: From August 2009 to May 2015, 14 patients with AAAs and coexisting IAAs underwent repair with a bifurcated-bifurcated approach...
May 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28493024/de-novo-vertebral-artery-dissecting-aneurysm-after-internal-trapping-of-the-contralateral-vertebral-artery
#9
Naoya Kidani, Kenji Sugiu, Tomohito Hishikawa, Masafumi Hiramatsu, Jun Haruma, Shingo Nishihiro, Yu Takahashi, Isao Date
We present the case of a de novo vertebral artery dissecting aneurysm (VADA) after endovascular trapping of a ruptured VADA on the contralateral side. The first ruptured VADA involved the posterior inferior cerebellar artery, which was successfully treated by endovascular internal trapping using a stent. A follow-up study at 3 months revealed a de novo VADA on the contralateral side. The second VADA was successfully embolized using coils while normal arterial flow in the vertebral artery was preserved using a stent...
May 10, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28491182/aortoenteric-fistulae-temporization-and-treatment-lessons-learned-from-a-multidisciplinary-approach-to-3-patients
#10
Jeffrey Forris Beecham Chick, Jordan C Castle, Kyle J Cooper, Ravi N Srinivasa, Jonathan L Eliason, Nicholas H Osborne, Karen M Kim, Wael E Saad, Minhaj S Khaja
Aortoenteric fistulae are life-threatening conditions characterized by abnormal communications between the aorta and gastrointestinal tract. Aortoenteric fistulae may be characterized by the triad of bleeding, abdominal pain, or a pulsatile abdominal mass. Although hemorrhage is the most common presentation, it does not always occur; thus, patients may present with nonspecific symptoms. Computed tomography angiography findings suggestive of aortoenteric fistulae include ectopic gas within or adjacent to the aorta, discontinuity of the aortic wall, bowel wall thickening, and extravasation of contrast into the bowel...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491179/transhepatic-embolization-of-a-congenital-intrahepatic-portosystemic-shunt-for-the-treatment-of-hepatic-encephalopathy-in-a-noncirrhotic-patient-using-amplatzer-vascular-plug-device
#11
Rachel Ann Brader, Kyung Rae Kim
A 73-year-old male with no history of liver disease was hospitalized for weakness, confusion, ataxia, and new onset hepatic encephalopathy with hyperammonemia. After management with lactulose and rifaximin, his symptoms persisted, and he underwent transjugular liver biopsy. Biopsy showed normal liver, but a portosystemic shunt was incidentally identified on postbiopsy venogram. The patient underwent occlusion of the shunt with two Amplatzer vascular plugs and four Nester coils. Following embolization, the patient's symptoms resolved completely...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28490685/-ruptured-c2-aneurysm-of-the-internal-carotid-artery-with-ipsilateral-unruptured-giant-internal-carotid-artery-aneurysm-a-case-report
#12
Saya Ozaki, Hideo Tanaka, Shinya Fukumoto, Haruhisa Ichikawa, Shinji Onoue, Noriyuki Fumoto, Hajime Miyazaki, Kanehisa Kohno
A giant intracranial internal carotid artery(ICA)aneurysm is difficult to treat. We encountered a case with an unruptured giant intracranial ICA aneurysm with a ruptured C2 aneurysm of the ipsilateral ICA. In this case report, we describe how the treatment and review the literature. A 59-year-old man presented with sudden-onset headache and vomiting. He was diagnosed at a local neurosurgical unit as having a subarachnoid hemorrhage and admitted to our hospital. Cerebral angiogram revealed an unruptured giant ICA C3-4 aneurysm with a ruptured aneurysm of the ipsilateral ICA C2...
May 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28490680/-a-ruptured-aneurysm-at-the-origin-of-a-duplicated-middle-cerebral-artery-treated-by-coil-embolization-a-case-report
#13
Kentaro Hayashi, Yoshitaka Matsuo, Yukishige Hayashi, Kiyoshi Shirakawa, Makio Kaminogo
Duplication of the middle cerebral artery(MCA)is an anatomical variant of the MCA, originating from the distal portion of the internal carotid artery(ICA)and supplying blood flow to the tip of the temporal lobe. Cerebral aneurysms rarely develop at the bifurcation of the ICA and the duplicated MCA, but when they do develop, they may result in subarachnoid hemorrhage. We treated a 41-year-old man, who was urgently brought to our hospital because of severe headache. A computed tomography(CT)scan showed subarachnoid hemorrhage due to the rupture of an aneurysm at the origin of the duplicated MCA...
May 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28488413/preventing-and-treating-coronary-perforations-lessons-from-disaster-management
#14
EDITORIAL
Yader Sandoval, Emmanouil S Brilakis
Coronary artery perforations (CAP) are rare in patients undergoing routine PCI with recent contemporary databases reporting an incidence ∼0.3%. Older age, cardiomyopathy or left ventricular dysfunction, mechanical circulatory support prior to PCI, and CTO lesions have the strongest association with CAP. Prevention, early detection, preparedness and familiarity with the equipment used to treat perforations (such as efficient use of covered stents, and fat or coil embolization) and regrouping to examine and educate about these experiences are key for improving our response to cath lab disasters...
May 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28488103/a-case-of-common-peroneal-nerve-palsy-associated-with-internal-iliac-artery-embolization-by-using-n-butyl-2-cyanoacrylate-nbca
#15
Keishi Fujiwara, Yukihisa Ogawa, Kenji Murakami, Yasunori Arai, Hiroshi Nishimaki, Hidefumi Mimura, Yasuo Nakajima
A 64-year-old man was scheduled to undergo endovascular aneurysm repair for an abdominal aortic aneurysm (AAA). Since preoperative computed tomography showed an AAA with common iliac artery and internal iliac artery (IIA) aneurysms, IIA embolization was scheduled. Embolization using a coil was supposed to be performed; however, the lateral sacral artery could not be selected. For this reason, IIA embolization using N-butyl-2-cyanoacrylate (NBCA) was undertaken. During embolization, the median sacral artery was unexpectedly embolized through the lateral sacral artery...
May 9, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28488070/cerebral-aneurysm-neck-diameter-is-an-independent-predictor-of-progressive-occlusion-after-stent-assisted-coiling
#16
Masahito Nakazaki, Tadashi Nonaka, Tatsufumi Nomura, Toshiyuki Onda, Yasuyuki Yonemasu, Akira Takahashi, Yuji Hashimoto, Osamu Honda, Shinichi Oka, Masanori Sasaki, Masahiko Daibo, Osamu Honmou
BACKGROUND: Some intracranial aneurysms treated by stent-assisted coiling (SAC) with incomplete occlusion undergo progressive occlusion (PO) during follow-up period. We analyzed the predictors for the occurrence of PO. METHODS: Among 74 cerebral aneurysms treated by SAC using the Enterprise or Neuroform stents from 2010 to 2015, we included 43 aneurysms with occlusion grade of neck remnant (NR, n = 36) or residual aneurysm (RA, n = 7) at the post-procedure. We defined PO as improvement in occlusion grade from RA to NR, or from NR or RA to complete occlusion on angiographic follow-up imaging at 6 months after the procedure...
May 9, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28485656/delayed-massive-epistaxis-from-traumatic-cavernous-carotid-false-aneurysms-a-report-of-two-unusual-cases
#17
Ncedile Mankahla, David LeFeuvre, Allan Taylor
Introduction Blunt head trauma can injure the cavernous segment of the internal carotid artery (ICA). This may result in a carotid cavernous fistula (CCF). Rarely, a traumatic aneurysm may bleed medially causing massive epistaxis. Case presentation We present two cases of traumatic intracavernous carotid pseudoaneurysms with delayed massive epistaxis. The patients were managed with endovascular treatment involving coil embolization with parent vessel sparing and detachable balloon occlusion with carotid sacrifice...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28484132/unilateral-trans-cerebellomedullary-fissure-approach-for-occipital-artery-to-posterior-inferior-cerebellar-artery-bypass-during-aneurysmal-surgery
#18
Hiroshi Abe, Koichi Miki, Hiromasa Kobayashi, Toshiyasu Ogata, Mitsutoshi Iwaasa, Toshio Matsushima, Tooru Inoue
Occipital artery (OA) to the posterior inferior cerebellar artery (PICA) bypass is indispensable for the management of complex aneurysms of the PICA that cannot be reconstructed with surgical clipping or coil embolization. Although OA-PICA bypass is a comparatively standard procedure, the bypass is difficult to perform in some cases because of the location and situation of the PICA. We describe the usefulness of the unilateral trans-cerebellomedullary fissure (CMF) approach for OA-PICA bypass. Thirty patients with aneurysms in the vertebral artery (VA) or PICA were treated using OA-PICA bypasses between 2010 and 2015...
May 9, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28479464/embo-evar-a-technique-to-prevent-type-ii-endoleak-a-single-centre-experience
#19
Massimiliano Natrella, Federico Navarretta, Alessandro Rapellino, Gianluca Job, Massimo Cristoferi, Matteo Castagnola, Gianmarco Lunardi, Luca Duc, Gianluca Fanelli, Andrea Peruzzo Cornetto, Teodoro Meloni, Flavio Peinetti
OBJECTIVES: To evaluate the role of intraprocedural aneurysm sac embolisation (embo-EVAR) during endovascular abdominal aneurysm repair (EVAR) using coils and fibrin glue for preventing type II endoleak (EII). MATERIALS AND METHODS: A retrospective clinical case analysis of 72 patients who underwent EVAR during the period 2011-2014. Two groups were compared at 6 and 12 months follow-up with MDCT scan and Contrast-enhanced ultrasound (CEUS) imaging: consecutively, 36 patients (group A) treated with classic EVAR and 36 patients (group B) treated with embo-EVAR...
May 4, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28479424/open-and-endovascular-management-of-inferior-mesenteric-artery-aneurysms-a-report-of-two-cases
#20
Natasha Hansraj, Abdulrahman Hamdi, Eric S Wise, Laura DiChiacchio, Rajabrata Sarkar, Shahab Toursavadkohi
Inferior mesenteric artery (IMA) aneurysms are a rare entity, attributing to 1% of sphlanic aneurysms, [1] often found incidentally on evaluation for other intra-abdominal pathologies. Similar to other visceral arterial aneurysm, there is an estimated 20-50% risk of potentially fatal rupture and repair is generally recommended. We report two patients with IMA aneurysms, using them as cases to illustrate feasibility of both open and endovascular management options. Patient one is a 69-year-old male with bilateral claudication found to have an asymptomatic 20 mm IMA aneurysm...
May 4, 2017: Annals of Vascular Surgery
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