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https://www.readbyqxmd.com/read/28106525/open-and-endovascular-treatment-of-spinal-dural-arteriovenous-fistulas-a-10-year-experience
#1
Matthew J Koch, Christopher J Stapleton, Pankaj K Agarwalla, Collin Torok, John H Shin, Jean-Valery Coumans, Lawrence F Borges, Christopher S Ogilvy, James D Rabinov, Aman B Patel
OBJECTIVE Vascular malformations of the spine represent rare clinical entities with profound neurological implications. Previously reported studies on management strategies for spinal dural arteriovenous fistulas (sDAVFs) appeared before the advent of modern liquid embolic agents. Authors of the present study review their institutional experience with endovascularly and surgically treated sDAVFs. METHODS The authors performed a retrospective, observational, single-center case series on sDAVFs treated with endovascular embolization, microsurgical occlusion, or both between 2004 and 2013...
January 20, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28106499/retrospective-study-of-long-term-outcome-after-brain-arteriovenous-malformation-rupture-the-rap-score
#2
Eimad Shotar, Matthieu Debarre, Nader-Antoine Sourour, Federico Di Maria, Joseph Gabrieli, Aurélien Nouet, Jacques Chiras, Vincent Degos, Frédéric Clarençon
OBJECTIVE The authors aimed to design a score for stratifying patients with brain arteriovenous malformation (BAVM) rupture, based on the likelihood of a poor long-term neurological outcome. METHODS The records of consecutive patients with BAVM hemorrhagic events who had been admitted over a period of 11 years were retrospectively reviewed. Independent predictors of a poor long-term outcome (modified Rankin Scale score ≥ 3) beyond 1 year after admission were identified. A risk stratification scale was developed and compared with the intracranial hemorrhage (ICH) score to predict poor outcome and inpatient mortality...
January 20, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28105373/vascular-changes-on-fluorescein-angiography-of-premature-infants-with-low-risk-of-retinopathy-of-prematurity-after-high-oxygen-exposure
#3
Maria Ana Martinez-Castellanos, Raul Velez-Montoya, Kenneth Price, Andree Henaine-Berra, Gerardo García-Aguirre, Virgilio Morales-Canton, Linda Alejandra Cernichiaro-Espinosa
PURPOSE: To describe a wide array of peripheral vascular changes using fluorescein angiography in preterm neonates, without high risk characteristics for developing retinopathy of prematurity, that were exposed to high oxygen concentration. METHODS: Retrospective, two center, case series. Newborns at two different hospitals with ≥1500 g or gestational age of ≥32 weeks, fluorescein angiography performed, and with high oxygen exposure without adequate control were included...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/28104948/external-carotid-artery-pseudoaneurysm-with-arteriovenous-fistula-a-rare-complication-of-glass-shrapnel-injury
#4
Rashmi Saraf, Rajaram Sharma, Lodha V Jaini, Shashikant Mhashal
Posttraumatic external carotid artery pseudoaneurysm with arteriovenous fistula is a rare condition. An 8-year-old child presented with painful pulsatile swelling in the preauricular region following a penetrating glass shrapnel injury. Detailed evaluation showed distal external carotid artery pseudoaneurysm with fistula, which was draining into the retromandibular vein. Endovascular treatment was performed. This case highlights the role of endovascular intervention for such rare complicated vascular pathologies...
October 2016: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28100858/-semi-quantitative-assessment-of-tinnitus-before-and-after-endovascular-treatment-for-intracranial-dural-arteriovenous-fistula-usefulness-of-the-tinnitus-handicap-inventory-thi-score
#5
Keitaro Shiraishi, Naoki Akioka, Daina Kashiwazaki, Naoya Kuwayama, Satoshi Kuroda
Intracranial dural arteriovenous fistulas(dAVFs)cause pulsatile tinnitus that can easily impair the individual's quality of life. In this study, we aimed to assess the usefulness of the semi-quantitative Tinnitus Handicap Inventory(THI)score before and after endovascular treatment in patients with intracranial dAVF by determining the relationship between the severity of pulsatile tinnitus, radiographic findings, and the effect of treatment. This study included a total of 14 sides in 13 patients who underwent endovascular therapy for pulsatile tinnitus due to intracranial dAVFs between March 2014 and September 2015...
January 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28095482/an-increase-in-mean-platelet-volume-platelet-count-ratio-is-associated-with-vascular-access-failure-in-hemodialysis-patients
#6
Dong Ho Shin, So Yon Rhee, Hee Jung Jeon, Ji-Young Park, Shin-Wook Kang, Jieun Oh
After stenosis of arteriovenous vascular access in hemodialysis patients, platelets play a crucial role in subsequent thrombus formation, leading to access failure. In a previous study, the mean platelet volume (MPV)/platelet count ratio, but not MPV alone, was shown to be an independent predictor of 4-year mortality after myocardial infarction. However, little is known about the potential influence of MPV/platelet count ratio on vascular access patency in hemodialysis patients. A total of 143 patients undergoing routine hemodialysis were recruited between January 2013 and February 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28089445/traumatic-arteriovenous-fistula-of-the-vertebral-artery
#7
L J Terceros-Almanza, H Domínguez-Aguado, F Pizarro-Rodríguez
No abstract text is available yet for this article.
January 12, 2017: Medicina Intensiva
https://www.readbyqxmd.com/read/28089417/venous-sinus-compromise-after-pre-sigmoid-transpetrosal-approach-for-skull-base-tumors-a-study-on-the-asymptomatic-incidence-and-report-of-a-rare-dural-arteriovenous-fistula-as-symptomatic-manifestation
#8
Walter C Jean, Daniel R Felbaum, Andrew B Stemer, Michael Hoa, H Jeffrey Kim
The sigmoid sinus is routinely exposed and manipulated during pre-sigmoid, transpetrosal approaches to the skull base, but there is scant data available on the incidence of venous sinus compromise after surgery. We encountered a dural arteriovenous fistula as a result of sigmoid sinus occlusion and examined the incidence of venous sinus thrombosis or narrowing after transpetrosal surgeries. We performed a retrospective analysis of a series of patients treated by the senior surgeons (WCJ, MH, HJK), who underwent either a posterior petrosectomy or translabyrinthine approach for various skull base tumors...
January 12, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28087636/r-spondin-1-is-required-for-specification-of-hematopoietic-stem-cells-through-wnt16-and-vegfa-signaling-pathways
#9
Jamie R Genthe, Wilson K Clements
Hematopoietic stem cells (HSCs) are the therapeutic component of bone marrow transplants, but finding immune-compatible donors limits treatment availability and efficacy. Recapitulation of endogenous specification during development is a promising approach to directing HSC specification in vitro, but current protocols are not capable of generating authentic HSCs with high efficiency. Across phyla, HSCs arise from hemogenic endothelium in the ventral floor of the dorsal aorta concurrent with arteriovenous specification and intersegmental vessel (ISV) sprouting, processes regulated by Notch and Wnt...
January 13, 2017: Development
https://www.readbyqxmd.com/read/28087081/-retinal-arteriovenous-malformation
#10
N Stolowy, A Comet, D Denis, F Matonti
No abstract text is available yet for this article.
January 10, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28079654/retinal-oximetry-in-subjects-with-glaucomatous-hemifield-asymmetry
#11
Zhu Li Yap, Charles Ong, Yi Fang Lee, Andrew Tsai, Clarissa Cheng, Monisha E Nongpiur, Shamira A Perera
PURPOSE: Although some studies suggest a strong link between retinal vessel oxygenation and damage to the retinal nerve fiber layer (RNFL) seen in glaucoma, it has yet to be conclusively proven. This study compares intraocular retinal oximetry in glaucomatous eyes displaying asymmetrically affected hemifields across different subgroups of glaucoma, namely primary angle closure glaucoma (PACG), primary open-angle glaucoma (POAG), and normal tension glaucoma (NTG). METHODS: In this prospective cross-sectional study, 99 patients (PACG, n=28; POAG, n=37; NTG, n=34) underwent retinal oxygenation and vessel caliber measurements using the Oxymap T1 Retinal Oximeter, Cirrus optical coherence tomography, and Humphrey visual field testing...
January 10, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28078825/ethanol-combined-with-heparin-as-a-locking-solution-for-the-prevention-of-catheter-related-blood-stream-infections-in-hemodialysis-patients-a-prospective-randomized-study
#12
Sofia Sofroniadou, Ioanna Revela, Alexandros Kouloubinis, Ioanna Makriniotou, Sinodi Zerbala, Despina Smirloglou, Petros Kalocheretis, Apostolos Drouzas, George Samonis, Christos Iatrou
Introduction Ethanol lock solution has been mainly administered in paediatric and home parenteral nutrition patients in order to prevent catheter related blood stream infections (CRBSI). Its utility in hemodialysis (HD) patients with non-tunneled-uncuffed catheter (NTC) has been poorly explored. Methods We conducted a prospective randomized study in chronic HD patients requiring a newly inserted NTC-while awaiting for the maturation of an already established arteriovenous fistula (AVF) or arteriovenous graft (AVG) or tunneled-cuffed catheter insertion...
January 11, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28078806/prognostic-factors-of-hepatocellular-carcinoma-patients-with-portal-vein-tumor-thrombosis-treated-with-transcatheter-arterial-chemoembolization
#13
Hongyuan Liang, Peng Cui, Qiyong Guo, Xiaonan Mao, Feng Wen, Wei Sun, Ming Shan, Zaiming Lu
AIM: To investigate the factors that influence survival of hepatocellular carcinoma (HCC) patients with portal vein tumor thrombosis (PVTT) following transarterial chemoembolization (TACE). METHODS: Retrospectively enrolled HCC patients with PVTT (n = 57). Patients received TACE, and the local tumor response was evaluated by modified response evaluation criteria in solid tumor (mRECIST). Overall survival and disease progression were evaluated using Kaplan-Meier survival curves...
January 12, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28076021/radiologic-assessment-of-native-renal-vasculature-a-multimodality-review
#14
Sayf Al-Katib, Monisha Shetty, Syed Mohammad A Jafri, Syed Zafar H Jafri
A wide range of clinically important anatomic variants and pathologic conditions may affect the renal vasculature, and radiologists have a pivotal role in the diagnosis and management of these processes. Because many of these entities may not be suspected clinically, renal artery and vein assessment is an essential application of all imaging modalities. An understanding of the normal vascular anatomy is essential for recognizing clinically important anatomic variants. An understanding of the protocols used to optimize imaging modalities also is necessary...
January 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28075000/-bromocriptine-could-it-be-the-cure-for-post-surgical-akinetic-mutism
#15
A Arevalo-Saenz, M Pedrosa-Sanchez, R G Sola
INTRODUCTION: Akinetic mutism is considered as an alteration of the motivational state of the person, which the patient is unable to initiate verbal or motor responses voluntary, even with preserved sensorimotor and surveillance functions. CASE REPORT: A 43 year-old male involved in a cerebellum arteriovenous fistula complicated with hydrocephalus, who responded dramatically to treatment with bromocriptine. CONCLUSION: Typically, akinetic mutism is described as a transient surgeries posterior fossa...
January 16, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28073202/pseudoaneurysm-with-arteriovenous-fistula-of-the-prostate-after-pelvic-trauma-ultrasound-imaging
#16
Andrea B Galosi, Camilla Capretti, Luca Leone, Marco Tiroli, Daniele Cantoro, Massimo Polito
Pseudoaneurysm (PA) associated with an arteriovenous fistula (AVF) of the internal pudendal artery branches are very uncommon. We report a case of post-traumatic PA with AVF connected to Santorini plexus. Diagnosis was made with trans-rectal ultrasound (TRUS) after recurrent hematuria. TRUS reported a 1.7 × 1.4 × 1.5 cm anechoic area, on anterior prostate apex close to Santorini plexus. The use of color Doppler in this area revealed high flow velocity that was indicative for AVF. The feeding artery was a distal branch of the left pudenda artery...
December 30, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28072804/multidisciplinary-care-of-unruptured-brain-arteriovenous-malformations-to-improve-symptomatic-headache-and-the-onset-progression-and-outcomes-of-unruptured-brain-arteriovenous-malformations
#17
Ling-Feng Lai, Min Chen, Jia-Xiang Chen, Kuang Zheng, Xu-Ying He, Xi-Feng Li, Xin Zhang, Jian Yin, Qiu-Jing Wang, Tuan-Ming Zou, Chuan-Zhi Duan
BACKGROUND: Symptomatic headaches attributed to unruptured brain arteriovenous malformations (ubAVMs) are very common and affect patients' quality life, but multidisciplinary care of ubAVMs to improve symptomatic headache remains unclear. OBJECTIVE: The objective is to identify the features of symptomatic headaches, and to obtain headache outcomes following multidisciplinary care of ubAVMs, as well as provide background on the natural history of ubAVMs. STUDY DESIGN: The features of symptomatic headaches and headache outcomes were analyzed in a large cohort of cases after multidisciplinary care of ubAVMs...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28071661/neuronal-sflt1-and-vegfaa-determine-venous-sprouting-and-spinal-cord-vascularization
#18
Raphael Wild, Alina Klems, Masanari Takamiya, Yuya Hayashi, Uwe Strähle, Koji Ando, Naoki Mochizuki, Andreas van Impel, Stefan Schulte-Merker, Janna Krueger, Laetitia Preau, Ferdinand le Noble
Formation of organ-specific vasculatures requires cross-talk between developing tissue and specialized endothelial cells. Here we show how developing zebrafish spinal cord neurons coordinate vessel growth through balancing of neuron-derived Vegfaa, with neuronal sFlt1 restricting Vegfaa-Kdrl mediated angiogenesis at the neurovascular interface. Neuron-specific loss of flt1 or increased neuronal vegfaa expression promotes angiogenesis and peri-neural tube vascular network formation. Combining loss of neuronal flt1 with gain of vegfaa promotes sprout invasion into the neural tube...
January 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/28068970/quadriplegia-caused-by-an-epidural-abscess-occurring-at-the-same-level-of-cervical-destructive-spondyloarthropathy-a-case-report
#19
Jun-Seok Lee, Ji-Hyun Ryu, Jong-Tae Park, Ki-Won Kim
BACKGROUND: Destructive spondyloarthropathy (DSA) is one of the major complications in patients undergoing long-term hemodialysis. To the best of our knowledge, an epidural abscess occurring at the level of preexisting cervical DSA has not been well described in the literature. We report a unique case of quadriplegia caused by an epidural abscess occurring at the same level of preexisting cervical DSA. CASE PRESENTATION: A 49-year-old woman was transferred to our emergency department with 5 days of sepsis, drowsy mental status, and quadriplegia below the C5 level...
January 10, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28067935/hepatitis-b-vaccination-in-haemodialysis-patients-an-underestimated-problem-factors-influencing-immune-responses-in-ten-years-of-observation-in-an-italian-haemodialysis-centre-and-literature-review
#20
E Cordova, I Miglia, F Festuccia, M G Sarlo, G Scornavacca, G Punzo, P Menè, C Fofi
OBJECTIVES: Despite universal infection control precautions, the risk of hepatitis B virus (HBV) infection in patients on chronic haemodialysis (HD) remains high. For this reason anti-HBV vaccination is recommended in these subjects. In hemodialyzed patients vaccinal response is often suboptimal and it's not clear what factors may influence it. STUDY DESIGN: The aim of our study is to assess the influence of some clinical and laboratory factors on seroconversion rate after anti HBV vaccination in a cohort of patients on maintenance HD...
January 2017: Annali di Igiene: Medicina Preventiva e di Comunità
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