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Cerebral Aneurysm surgery

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https://www.readbyqxmd.com/read/28526040/catching-a-floating-thrombus-a-case-report-on-the-treatment-of-a-large-thrombus-in-the-ascending-aorta
#1
Gijs Eduard de Maat, Giorgio Vigano, Massimo Alessandro Mariani, Ehsan Natour
BACKGROUND: The ascending aorta is an uncommon site for non-infective thrombus. In non-aneurysmal and non-atherosclerotic vessels this condition becomes extremely rare, while it represents a source of potential cerebral and peripheral embolic events. Currently, there is no consensus in the guidelines on how to treat a free floating thrombus in ascending aorta, therefore we present our decision making process and therapeutic strategy. CASE PRESENTATION: A healthy 48-year-old man was hospital admitted with acute abdominal pain...
May 19, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28524127/-an-acute-subdural-hematoma-caused-by-rupture-of-a-middle-cerebral-artery-aneurysm
#2
R S Dzhindzhikhadze, O N Dreval', V A Lazarev, R L Kambiev
Acute subdural hematoma caused by cerebral aneurysm rupture is rare. We describe a clinical case of an acute subdural hematoma developed due to rupture of an aneurysm at the M1 segment bifurcation of the middle cerebral artery (MCA). The acute subdural hematoma associated with intracranial hypertension and transtentorial herniation resulted in a comatose condition. The patient underwent decompressive craniectomy, hematoma removal, and clipping of the aneurysm. A significant improvement was observed in the postoperative period...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28524121/-the-use-of-high-flow-extracranial-intracranial-artery-bypass-in-pathology-of-the-cerebral-and-brachiocephalic-arteries-technical-features-and-surgical-outcomes
#3
A V Dubovoy, K S Ovsyannikov, V E Guzhin, A V Cherepanov, D M Galaktionov, A M Perfil'ev, A O Sosnov
BACKGROUND: Poor outcomes of surgical treatment for complex cerebral aneurysms due to the development of cerebral ischemia were the cause to use cerebral revascularization surgery for this pathology. OBJECTIVE: the study objective was to master a high-flow extracranial-intracranial (EC-IC) artery bypass technique and evaluate its application in surgical treatment of complex and giant cerebral aneurysms as well as complex lesions of the brachiocephalic arteries. MATERIAL AND METHODS: Fifty two patients underwent high-flow IC-EC bypass surgery; of these, 34 patients had complex cerebral aneurysms, and 18 patients had complex stenotic occlusive lesions of the brachiocephalic arteries...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28521359/quantitative-comparison-of-the-intraoperative-utility-of-indocyanine-green-and-fluorescein-videoangiographies-in-cerebrovascular-surgery
#4
Fumihiro Matano, Takayuki Mizunari, Yasuo Murai, Asami Kubota, Yu Fujiki, Shiro Kobayashi, Akio Morita
BACKGROUND: A quantitative analysis comparing indocyanine green videoangiography (ICG-VAG) and fluorescein videoangiography (FL-VAG) in cerebrovascular surgery has not been reported so far. OBJECTIVE: To clear the differences of characteristics of ICG-VAG and FL-VAG by quantitative assessment. METHODS: We prospectively analyzed results from 23 patients (3 males; mean age at surgery: 60.9 years, range: 14-75 years) at our hospital from August 2014 to July 2015...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28503483/importance-of-hematoma-removal-ratio-in-ruptured-middle-cerebral-artery-aneurysm-surgery-with-intrasylvian-hematoma
#5
Dal-Sung Ryu, Yu Shik Shim
OBJECTIVE: Ruptured middle cerebral artery (MCA) aneurysm with intrasylvian hematoma usually accompanied by progressive cerebral swelling with poorer outcomes. The authors present characteristics and importance of intrasylvian hematoma removal in the aneurysm surgery. MATERIALS AND METHODS: From 2012 February to 2014 March, 24 aneurysm surgeries for ruptured MCA aneurysms with intrasylvian hematoma were performed in the authors' clinic. The patients were classified according to three groups...
March 2017: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/28502692/what-factors-determine-treatment-outcome-in-aneurysmal-subarachnoid-haemorrhage-in-the-modern-era-a-post-hoc-stash-analysis
#6
Mario Teo, Mathew R Guilfoyle, Carole Turner, Peter J Kirkpatrick
INTRODUCTION: The management of aneurysmal SAH has changed dramatically in the last few decades with the publication of a few major studies including The International Cooperative Study on the Timing of Aneurysm Surgery Study, International Subarachnoid Aneurysm Trial (ISAT). The aim of this study is to analyse the outcome of patients with aSAH based on a contemporary series, identify the risk factors for poor outcome, and focusing on patients with good grades aSAH (to match the ISAT cohort)...
May 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28499904/completely-thrombosed-distal-middle-cerebral-artery-aneurysm-mimicking-a-cavernous-angioma-case-report-and-review-of-the-literature
#7
Sokol Trungu, Placido Bruzzaniti, Stefano Forcato, Marco Cimatti, Antonino Raco
BACKGROUND: Distal middle cerebral artery (MCA) aneurysms originate from branches of MCA distal to its main bifurcation or the peripheral branches. Distal MCA aneurysms are uncommon compared to saccular aneurysms developing along the proximal trunks of MCA. However, thrombotic aneurysms, characterized by organized intraluminal thrombus and solid mass, are frequently in the large and giant size range, while complete thrombosis of non-giant MCA aneurysms is very rare. CASE PRESENTATION: We present the clinical case of a 53 years-old woman with a completely thrombosed medium distal MCA aneurysm which mimics a cavernous angioma...
May 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28496083/-retrograde-type-a-aortic-dissection-after-thoracic-endovascular-aortic-repair-report-of-a-case
#8
Sei Morizumi, Takafumi Inoue, Satoshi Nishi, Akihiro Yoshimoto, Masashi Fujisaki, Yoshihiro Suematsu
A 72-year-old man presented with aneurysms of the distal aortic arch and the distal descending aorta due to chronic type B aortic dissection. We first performed thoracic endovascular aortic repair (TEVAR) in the distal descending aorta, and the aneurysm was successfully excluded using a Gore Tag stentgraft. Seven days after TEVAR, computed tomography revealed retrograde type A aortic dissection occurring from the ascending aorta to the distal aortic arch. In emergency surgery, ascending aorta and total arch replacement were performed under selective cerebral perfusion with moderate hypothermia, and after coming off cardiopulmonary bypass, the distal aortic arch aneurysm was excluded using a Gore Tag stentgraft...
May 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28463833/preventive-effect-of-clazosentan-against-cerebral-vasospasm-after-clipping-surgery-for-aneurysmal-subarachnoid-hemorrhage-in-japanese-and-korean-patients
#9
Miki Fujimura, Jin-Yang Joo, Jong-Soo Kim, Motonori Hatta, Yoshinari Yokoyama, Teiji Tominaga
BACKGROUND: Clazosentan has been explored worldwide for the prophylaxis of cerebral vasospasm after aneurysmal subarachnoid hemorrhage (aSAH). In a dose-finding trial (CONSCIOUS-1) conducted in Israel, Europe, and North America, clazosentan (1, 5, and 15 mg/h) significantly reduced the incidence of cerebral vasospasm, but its efficacy in Japanese and Korean patients was unknown. We conducted a double-blind comparative study to evaluate the occurrence of cerebral vasospasm in Japanese and Korean patients with aSAH...
May 3, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28433839/the-diagnostic-accuracy-of-evoked-potential-monitoring-techniques-during-intracranial-aneurysm-surgery-for-predicting-postoperative-ischaemic-damage-a-systematic-review-and-meta-analysis
#10
REVIEW
Benjamin Thomas, Dongsheng Guo
OBJECTIVE: To investigate the diagnostic accuracy of various evoked potential monitoring techniques in predicting postoperative neurological deficit in intracranial aneurysm surgery. METHODS: A literature search of the MEDLINE, Embase and Cochrane databases was conducted for English language papers published between 31 March 1983 and 31 March 2016. Original studies that reported the use of evoked potential monitoring during intracranial aneurysm surgery in predicting postoperative neurological damage were selected, and their relevant reference lists were hand searched...
April 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427127/-surgical-management-of-ophthalmic-artery-aneurysms-via-minimally-invasive-frontolateral-approach
#11
J T Wang, Z S Kan, S Wang
Objective: To explore the minimally invasive techniques and outcome of carotid ophthalmic artery aneurysms clipping via a frontolateral approach. Methods: The clinical data of 95 patients with carotid ophthalmic artery aneurysms treated via frontolateral approach in the last 1.5 years in Beijing Tiantan Hospital and Beijing Anzhen Hospital were analyzed retrospectively.Before the operation, digital subtraction angiogram (DSA) was performed among all patients.The patients were divided into two groups by the lateral approach...
April 18, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28417618/indocyanine-green-videoangiography-application-in-distal-m4-middle-cerebral-artery-aneurysm-surgery
#12
Oriela Rustemi, Renato Scienza, Alessandro Della Puppa
No abstract text is available yet for this article.
June 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28417489/management-of-septic-emboli-in-patients-with-infectious-endocarditis
#13
Seyed Hossein Aalaei-Andabili, Tomas Martin, Phillip Hess, Brian Hoh, Meshka Anderson, Charles T Klodell, Thomas M Beaver
BACKGROUND AND AIM: Septic emboli (SE) associated with infectious endocarditis (IE) can result in splenic abscesses and infectious intracranial aneurysms (IIA). We investigated the impact of SE on patient outcomes following surgery for IE. METHOD: From January-2000 to October-2015, all patients with surgical IE (n = 437) were evaluated for incidence and management of SE. RESULTS: Overall SE was found in 46/437 (10.52%) patients (n = 17 spleen, 13 brain, and 16 both)...
April 17, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28414666/just-a-puff-of-smoke
#14
A Leonard
CASE: A 44 year old woman with a history of stroke s/p aneurysm clipping, seizure, and substance abuse was brought to the hospital after a family member received a call from her friend saying she was acting unusual and may have had a seizure while hanging out on the street. At her baseline, she needed modest assistance in daily activities after her CVA and conversed without issue. Her mother died of a stroke. On exam the patient was afebrile, normotensive with mild tachycardia to 110...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28408258/predictors-of-postoperative-cerebral-ischemia-in-patients-with-ruptured-anterior-communicating-artery-aneurysms
#15
Pei-Sen Yao, Guo-Rong Chen, Shu-Fa Zheng, De-Zhi Kang
OBJECTIVE: Cerebral ischeamia is a major contributor to poor outcome after ruptured anterior communicating artery aneurysms (AcoAs), and is not well classified. Here we develop a classification and identify risk factors of cerebral ischemia after ruptured ACoAs. MATHERIAL AND METHODS: A total of 360 patients with ruptured ACoAs undergoing microsurgical clipping were collected. Sex, age, smoking, Hunt-Hess grade, Fisher grade, hospital stay, surgical timing, hypertension, diabetes, postoperative cerebral ischemia, and postoperative mRS score were collected...
April 10, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28392101/surgical-and-endovascular-treatments-of-extracranial-carotid-artery-aneurysms-report-of-six-cases
#16
Shusuke Yamamoto, Naoki Akioka, Daina Kashiwazaki, Masaki Koh, Naoya Kuwayama, Satoshi Kuroda
BACKGROUND: Although the natural course of extracranial carotid artery aneurysms (ECAAs) is still unknown, they may cause stroke or cranial nerve dysfunction unless they are treated. In this report, we reviewed the clinical results of 6 patients who underwent endovascular and surgical treatments for ECAAs. METHODS: A total of 6 patients underwent endovascular and surgical treatments for ECAAs for 9 years. The primary causes of ECAAs included Marfan syndrome (1 patient), infection (1 patient), trauma (2 patients), and unknown (2 patients)...
April 6, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28391020/ruptured-aneurysm-of-an-aberrant-internal-carotid-artery-successfully-treated-with-simultaneous-intervention-and-surgery-in-a-hybrid-operating-room
#17
Yoichiro Kawamura, Tetsuro Sayama, Naoki Maehara, Ataru Nishimura, Koji Iihara
BACKGROUND: Aberrant internal carotid artery (aICA) is an anatomical anomaly whereby the internal carotid artery (ICA) courses through the tympanic cavity without separation by bone. Since aICA is rare, there are no definite treatment strategies for aICA and its complications. CASE DESCRIPTION: We report a case of aICA accompanied by pseudoaneurysm formation and massive bleeding. Our case was a 31-year-old woman with a 2-year history of hearing loss, ear fullness, and pulsatile tinnitus in her left ear...
April 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28386837/effect-of-delayed-onset-prostacyclin-on-markers-of-endothelial-function-and-damage-after-subarachnoid-hemorrhage
#18
Mikkel Gybel-Brask, Rune Rasmussen, Jakob Stensballe, Pär I Johansson, Sisse R Ostrowski
BACKGROUND: Subarachnoid hemorrhage (SAH) is a neurological emergency. Delayed ischemic neurological deficit is one of the main causes of poor outcome after SAH and is probably caused, at least in part, by cerebral vasospasm. The pathophysiology of this is multifaceted, but endothelial damage and activation as well as glycocalyx damage have been implicated. Prostacyclin has been shown to protect damaged and activated endothelium and to facilitate glycocalyx repair. We investigated biomarkers of endothelial activation and damage in patients with SAH randomized to 5 days prostacyclin infusion or placebo...
June 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28384126/an-automated-method-for-accurate-vessel-segmentation
#19
Xin Yang, Chaoyue Liu, Hung Le Minh, Zhiwei Wang, Aichi Chien, Kwang-Ting Tim Cheng
Vessel segmentation is a critical task for various medical applications, such as diagnosis assistance of diabetic retinopathy, quantification of cerebral aneurysm's growth, and guiding surgery in neurosurgical procedures. Despite technology advances in image segmentation, existing methods still suffer from low accuracy for vessel segmentation in the two challenging while common scenarios in clinical usage: (1) regions with a low signal-to-noise-ratio (SNR), and (2) at vessel boundaries disturbed by adjacent non-vessel pixels...
April 6, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28383672/cerebral-revascularization-for-aneurysms-in-the-flow-diverter-era
#20
David C Straus, Harley Brito da Silva, Lynn McGrath, Michael R Levitt, Louis J Kim, Basavaraj V Ghodke, Jason K Barber, Laligam N Sekhar
BACKGROUND: Cerebral bypass has been an important tool in the treatment of complex intracranial aneurysms. The recent advent of flow-diverting stents (FDS) has expanded the capacity for endovascular arterial reconstruction. OBJECTIVE: We investigated how the advent of FDS has impacted the application and outcomes of cerebral bypass in the treatment of intracranial aneurysms. METHODS: We reviewed a consecutive series of cerebral bypasses during aneurysm surgery over the course of 10 years...
April 5, 2017: Neurosurgery
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