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https://www.readbyqxmd.com/read/28635373/relative-risk-of-hemorrhage-during-pregnancy-in-patients-with-brain-arteriovenous-malformations
#1
Janneke van Beijnum, Tim Wilkinson, Heather J Whitaker, Johanna G van der Bom, Ale Algra, W Peter Vandertop, René van den Berg, Patrick A Brouwer, Gabriël Je Rinkel, L Jaap Kappelle, Rustam Al-Shahi Salman, Catharina Jm Klijn
Background It is unclear whether the risk of bleeding from brain arteriovenous malformations is higher during pregnancy, delivery, or puerperium. We compared occurrence of brain arteriovenous malformation hemorrhage in women during this period with occurrence of hemorrhage outside this period during their fertile years. Methods We included all women with ruptured brain arteriovenous malformations (16-41 years) from a retrospective database of patients with brain arteriovenous malformations in four Dutch university hospitals (n = 95) and from the population-based Scottish Audit of Intracranial Vascular Malformations (n = 44)...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28625906/the-impact-of-associated-nidal-lesions-in-outcome-of-brain-arteriovenous-malformations-after-radiosurgery-with-or-without-embolization
#2
Carlos Michel A Peres, Evandro Cesar de Souza, Manoel Jacobsen Teixeira, Eberval G Figueiredo, Jose Guilherme M P Caldas
BACKGROUND: Radiosurgery is a valuable option to treat arteriovenous malformations. There are correlations between some morphological nidal features and final results, and the benefits of preradiosurgical embolization have not been well established thus far. METHODS: Analysis of a longitudinal cohort of 47 consecutive patients who underwent radiosurgery with or without previous embolization. Embolizations were performed exclusively with n-butyl cyanoacrylate. Radiosurgery was delivered either as a single or divided in up to 5 equal fractions...
June 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28623639/anemia-after-continuous-flow-left-ventricular-assist-device-implantation-characteristics-and-implications
#3
Javier Amione-Guerra, Ana S Cruz-Solbes, Arvind Bhimaraj, Barry H Trachtenberg, Sai R Pingali, Jerry D Estep, Myung H Park, Ashrith Guha
BACKGROUND: Anemia is common in patients with heart failure and is associated with adverse outcomes. Management of anemia in CF-LVAD patients is not well studied. Our purpose is to characterize and identify the etiology of anemia in CF-LVAD patients. Secondary objectives are to describe the effect of CF-LVAD on pre-existing anemia and assess its impact after CF-LVAD support. METHODS: Cross-sectional study from January to July 2015 of ambulatory patients supported with a CF-LVAD for at least 6-months that presented with hemoglobin <12 g/dL and no recent gastrointestinal bleeding...
June 14, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28611024/platelet-amyloid-precursor-protein-is-a-modulator-of-venous-thromboembolism-in-mice
#4
Ilaria Canobbio, Caterina Visconte, Stefania Momi, Gianni Francesco Guidetti, Marta Zarà, Jessica Canino, Emanuela Falcinelli, Paolo Gresele, Mauro Torti
The amyloid precursor protein (APP), primarily known as the precursor of amyloid peptides that accumulate in the brain of Alzheimer's disease patients, is abundant in platelets but its physiological function remains unknown. In this study, we investigated the role of APP in hemostasis and thrombosis using APP knockout (KO) mice. Ex vivo aggregation, secretion, and integrin αIIbβ3 inside-out activation induced by several agonists were normal in APP-deficient platelets, but the number of circulating platelets was reduced by about 20%, and their size was slightly increased...
June 13, 2017: Blood
https://www.readbyqxmd.com/read/28608353/-causes-of-hospital-mortality-due-to-brain-haemorrhage-in-patients-with-arteriovenous-malformation
#5
J Vilalta, F Arikan, R Torne, R Najarro, D Lopez, A Rodriguez-Hernandez, D Gandara, P Banos
AIM: To determine the causes of mortality in cases of brain haemorrhage among patients with arteriovenous malformations (AVM) treated in a tertiary hospital. PATIENTS AND METHODS: The patients with AVM who died over the period 1990-2014 were selected from a prospective register of vascular malformations. Demographic aspects, localisation of the AVM, associated aneurysms and previous treatments were reviewed. Three main causes of death were established: initial bleeding/rebleeding, those related with the treatment of the AVM and other causes not related with AVM...
June 16, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28601642/comparison-of-citrated-and-fresh-whole-blood-for-viscoelastic-coagulation-testing-during-elective-neurosurgery
#6
E Silverberg, F Tornqvist, T Kander, J Bengzon, C Solomon, J Bonnevier, U Schött
BACKGROUND: Previous viscoelastic haemostatic tests studies have often indicated a hypercoagulative test signal with citrated blood, which could influence clinical decision makings. PURPOSE: The aim of this study was to compare fresh and citrated whole blood using two non-automated viscoelastic ROTEM and Sonoclot tests. Our hypothesis was that citrated blood would demonstrate a hypercoagulative response in this setting, not tested before. METHODS: Perioperative viscoelastic coagulation changes were evaluated with a ROTEM and Sonoclot in 38 patients undergoing elective brain tumor surgery...
June 3, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28589641/the-yield-of-head-computed-tomography-in-patients-with-new-onset-of-transient-headaches
#7
Niamh Hammond, Annemarei Ranta
BACKGROUND: Headache is a common patient complaint. The threshold for brain imaging in headache is debated, especially when the headache is transient, although even if the headache has resolved at presentation a sentinel bleed heralding a subarachnoid haemorrhage (SAH) often remains a concern. AIMS: To assess the yield of computed tomography (CT) head scan referrals for patients with transient headache symptoms. METHODS: This study looked at six months of CT results assessing for brain pathology with a particular focus on subarachnoid haemorrhage...
June 7, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28572282/cm352-reduces-brain-damage-and-improves-functional-recovery-in-a-rat-model-of-intracerebral-hemorrhage
#8
José A Rodríguez, Tomás Sobrino, Esteban López-Arias, Ana Ugarte, Juan A Sánchez-Arias, Alba Vieites-Prado, Irene de Miguel, Julen Oyarzabal, José A Páramo, Francisco Campos, Josune Orbe, José Castillo
BACKGROUND: Intracerebral hemorrhage (ICH) is an acute neurological disorder with high mortality and no effective treatment. In addition to the initial bleeding event, rebleeding and hematoma expansion are associated with poor outcome in these patients. We studied the effectiveness of the new antifibrinolytic agent CM352, a short-half-life matrix metalloproteinase inhibitor, for achieving early hemostasis and improving functional recovery in a rat model of collagenase-induced ICH. METHODS AND RESULTS: ICH was induced by striatal injection of collagenase, and 1 hour later, rats received an intravenous injection of saline (n=6) or CM352 (1 mg/kg, n=6)...
June 1, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28566060/topical-application-of-the-hematostatic-agent-surgiflo%C3%A2-could-attenuate-brain-injury-in-experimental-tbi-mice
#9
Dewei Guo, Dongpeng Li, Jinghong Li, Yunfeng Li, Xiang Hu, Fangxia Guan, Bo Yang
OBJECT: The pathologies resulting from traumatic brain injury (TBI) have been thoroughly studied, but rarely have the effects of bleeding and coagulation in the early stage of TBI been considered. In this study, we investigated the effects of topical Surgiflo(®) application on brain injury in experimental TBI mice using S100β, MAP-2 and mNSS scores. METHODS: TBI was induced by modified weight drop injury in male C57BL/6 mice. The mice were then randomly divided into (i) the sham group, (ii) TBI mice applied with saline (vehicle), and (iii) TBI mice applied with Surgiflo(®) in the same volume...
May 31, 2017: Neurological Research
https://www.readbyqxmd.com/read/28562569/traumatic-open-depressed-cranial-fracture-causing-occlusion-of-posterior-superior-sagittal-sinus-case-report
#10
Han-Song Sheng, Fang Shen, Jian Lin, Guang-Hui Bai, Fen-Chun Lin, Dan-Dong Li, Nu Zhang
RATIONALE: The superior sagittal sinus (SSS) is the major dural sinuses that receive a considerable amount of venous drainage. Interruption of its posterior third has been suggested to cause intracranial hypertension and lead to potentially fatal consequences. PATIENT CONCERNS: We presented a 22-year-old man with a severe headache and scalp bleeding after a head chop wound. Physical examination identified a 20-cm straight laceration in his parietooccipital scalp...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28554418/device-aided-treatment-strategies-in-advanced-parkinson-s-disease
#11
Jonathan Timpka, Bianca Nitu, Veronika Datieva, Per Odin, Angelo Antonini
With peroral levodopa treatment, a majority of patients develop motor fluctuations and dyskinesia already within a few years of therapy. Device-aided Parkinson (PD) therapies refer to deep brain stimulation (DBS), levodopa-carbidopa intestinal gel infusion (LCIG), and subcutaneous infusion of the dopamine agonist apomorphine and represent effective strategies counteracting motor fluctuations and dyskinesia. These three therapy options seem to be similarly effective in reducing "time with PD symptoms (off time)" by at least 60%-65%...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28553370/neonatal-hypoxic-ischemic-encephalopathy-a-radiological-review
#12
REVIEW
Shahina Bano, Vikas Chaudhary, Umesh Chandra Garga
Neonatal hypoxic-ischemic encephalopathy (HIE) is a devastating condition that may result in death or severe neurologic deficits in children. Neuroimaging with cranial ultrasound (US), computed tomography and magnetic resonance imaging are valuable tools in the workup of patients with HIE. The pattern of brain injury depends on the severity and duration of hypoxia and degree of brain maturation. Mild to moderate HI injury results in periventricular leukomalacia and germinal matrix bleed in preterm neonates, and parasagittal watershed infarcts in full-term neonates...
January 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28530778/a-comparison-of-the-treatment-results-of-dpen-reduction-internal-fixation-and-intramedullary-nailing-in-adult-forearm-diaphyseal-fractures
#13
Ahmet Köse, Ali Aydın, Naci Ezirmik, Ömer Selim Yıldırım
BACKGROUND: We compared the union and functional results of intramedullary nailing and open reduction internal fixation treatment applied to adults with a forearm diaphysis fracture (fracture of the radius and/or ulna). METHODS: We retrospectively examined 90 patients with completed skeletal maturation who were surgically treated for a forearm diaphyseal fracture. Patients with a Monteggia Galeazzi and ipsilateral upper extremity fracture and those with an open epiphyseal line, Type 3 open fracture, pathological fracture, or brain trauma were excluded from the study...
May 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28526667/patient-centered-decision-support-formative-usability-evaluation-of-integrated-clinical-decision-support-with-a-patient-decision-aid-for-minor-head-injury-in-the-emergency-department
#14
Edward R Melnick, Erik P Hess, George Guo, Maggie Breslin, Kevin Lopez, Anthony J Pavlo, Fuad Abujarad, Seth M Powsner, Lori A Post
BACKGROUND: The Canadian Computed Tomography (CT) Head Rule, a clinical decision rule designed to safely reduce imaging in minor head injury, has been rigorously validated and implemented, and yet expected decreases in CT were unsuccessful. Recent work has identified empathic care as a key component in decreasing CT overuse. Health information technology can hinder the clinician-patient relationship. Patient-centered decision tools to support the clinician-patient relationship are needed to promote evidence-based decisions...
May 19, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28521349/postoperative-hematoma-requiring-recraniotomy-in-1149-consecutive-patients-with-intracranial-tumors
#15
Teruyoshi Kageji, Shinji Nagahiro, Yoshifumi Mizobuchi, Kohei Nakajima
BACKGROUND: The reported 30-day mortality rate after brain tumor surgery is 2.2% to 2.9%, with a postoperative hematoma (POH) as the most frequent cause of death. OBJECTIVE: To investigate the risk factors for a POH requiring a recraniotomy after brain tumor surgery in a large, contemporary, single-institution consecutive series. METHODS: We included 1149 patients who underwent surgery for intracranial tumors at the Tokushima University Hospital from 1997 to 2014...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28516078/subependymal-giant-cell-astrocytoma-presenting-with-tumoral-bleeding-a-case-report
#16
Jae-Young Kim, Tae-Young Jung, Kyung-Hwa Lee, Seul-Kee Kim
We report a rare case of subependymal giant cell astrocytoma (SEGA) associated with tumoral bleeding in a pediatric patient without tuberous sclerosis complex (TSC). A 10-year-old girl presented with a 2-week history of an increasingly aggravating headache. Brain magnetic resonance imaging revealed an approximately 3.6-cm, well-defined, heterogeneously enhancing mass with multistage hemorrhages on the right-sided foramen of Monro. The tumor was completely resected using a transcallosal approach. Intraoperatively, the mass presented as a gray-colored firm tumor associated with acute and subacute hemorrhages...
April 2017: Brain Tumor Research and Treatment
https://www.readbyqxmd.com/read/28502689/complicated-mild-traumatic-brain-injury-and-the-need-for-imaging-surveillance
#17
Martina Stippler, Jingyi Liu, Rouzbeh Motiei-Langroudi, Zoya Voronovich, Howard Yonas, Roger B Davis
OBJECTIVE: to evaluate the need for repeat head CT in patients with complicated mild traumatic brain injury (cmTBI) determined non-operative after the first head CT METHODS: 380 patients with mild TBI and a positive head CT not needing surgery were included. Changes between first and second head CT were categorized as decreased, increased or stable. RESULTS: Three patients required neurosurgical intervention (0.8%) after the second CT. There were no significant differences in demographics including age, gender, alcohol consumption, anticoagulation status, time between first and second CT, GCS at admission and discharge, and incidence of SAH, EDH, contusion or skull fractures between the operated and non-operated groups...
May 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28502562/grade-1-spetzler-and-martin-cerebral-ruptured-arteriovenous-malformations-treated-by-microsurgery-poor-functional-outcome-is-related-to-injury-from-haemorrhage
#18
R Aboukaïs, M Quidet, M Baroncini, P Bourgeois, X Leclerc, M Vinchon, J-P Lejeune
INTRODUCTION: Ruptured arteriovenous malformations (rAVM) are life-threatening diseases. OBJECTIVE: To evaluate the outcome of patients with grade 1 SPM rAVM after microsurgical treatment. MATERIALS AND METHOD: We retrospectively included 64 consecutive operated patients with a grade 1 SPM rAVM in our institution between 2002 and 2012. Complications related to the surgical procedure were recorded. All patients were re-evaluated 3months after treatment using the modified Rankin Scale score (mRS)...
May 11, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28493801/imaging-of-hydatid-disease-with-a-focus-on-extrahepatic-involvement
#19
Eugenio Zalaquett, Christine Menias, Francisco Garrido, Matías Vargas, José Francisco Olivares, Daniel Campos, Natalia Pinochet, Antonio Luna, Nirvikar Dahiya, Álvaro Huete
Hydatid disease (HD) is a parasitic infection caused by the larvae of a tapeworm that is endemic to many regions around the world-South America, Africa, and Asia, in particular. Humans are infected as intermediate hosts in the parasite's life cycle; thus, HD can be seen in persons living in areas where animal husbandry is practiced. However, owing to the varied patterns of migration and immigration during the past several decades, HD can be diagnosed in individuals living anywhere. The liver is the most common organ involved, with hepatic HD accounting for the majority of published cases...
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28490156/multiloculated-hydrocephalus-open-craniotomy-or-endoscopy
#20
REVIEW
Yun Ho Lee, Young Sub Kwon, Kook Hee Yang
Multiloculated hydrocephalus (MLH) is a condition in which patients have multiple, separate abnormal cerebrospinal fluid collections with no communication between them. Despite technical advancements in pediatric neurosurgery, neurological outcomes are poor in these patients and the approach to this pathology remains problematic especially given individual anatomic complexity and cerebrospinal fluid (CSF) hydrodynamics. A uniform surgical strategy has not yet been developed. Current treatment options for MLH are microsurgical fenestration of separate compartments by open craniotomy or endoscopy, shunt surgery in which multiple catheters are placed in the compartments, and combinations of these modalities...
May 2017: Journal of Korean Neurosurgical Society
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