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https://www.readbyqxmd.com/read/27922861/pet-mr-outperforms-pet-ct-in-suspected-occult-tumors
#1
Tetsuro Sekine, Felipe de Galiza Barbosa, Bert-Ram Sah, Cäcilia E Mader, Gaspar Delso, Irene A Burger, Paul Stolzmann, Edwin E Ter Voert, Gustav K von Schulthess, Patrick Veit-Haibach, Martin W Huellner
BACKGROUND: To compare the diagnostic accuracy of PET/MR and PET/CT in patients with suspected occult primary tumors. METHODS: This prospective study was approved by the institutional review board. Sequential PET/CT-MR was performed in 43 patients (22 male subjects; median age, 58 years; range, 20-86 years) referred for suspected occult primary tumors. Patients were assessed with PET/CT and PET/MR for the presence of a primary tumor, lymph node metastases, and distant metastases...
December 3, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27922027/a-day-4-lille-model-predicts-response-to-corticosteroids-and-mortality-in-severe-alcoholic-hepatitis
#2
Mauricio Garcia-Saenz-de-Sicilia, Chitharanjan Duvoor, Jose Altamirano, Roberta Chavez-Araujo, Veronica Prado, Ana de Lourdes Candolo-Martinelli, Patricia Holanda-Almeida, Bernardo Becerra-Martins-de-Oliveira, Simony Fernandez-de-Almeida, Ramón Bataller, Juan Caballeria, Andres Duarte-Rojo
OBJECTIVES: Prednisolone therapy increases the risk of infections in patients with severe alcoholic hepatitis (SAH). We evaluated whether the use of the Lille Model at day 4 (LM4) is useful to predict response to prednisolone compared with the classic day 7 (LM7) in order to limit a futile exposure to corticosteroids. METHODS: We performed a retrospective analysis of a large multinational cohort of patients with SAH with Maddrey's discriminant function (DF) ≥32...
December 6, 2016: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/27915583/the-six-minute-walk-test-predicts-cardiorespiratory-fitness-in-individuals-with-aneurysmal-subarachnoid-hemorrhage
#3
Wouter J Harmsen, Gerard M Ribbers, Jorrit Slaman, Majanka H Heijenbrok-Kal, Ladbon Khajeh, Fop van Kooten, Sebastiaan J C M M Neggers, Rita J van den Berg-Emons
BACKGROUND: Peak oxygen uptake (VO2peak) established during progressive cardiopulmonary exercise testing (CPET) is the "gold-standard" for cardiorespiratory fitness. However, CPET measurements may be limited in patients with aneurysmal subarachnoid hemorrhage (a-SAH) by disease-related complaints, such as cardiovascular health-risks or anxiety. Furthermore, CPET with gas-exchange analyses require specialized knowledge and infrastructure with limited availability in most rehabilitation facilities...
December 5, 2016: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/27914162/congenital-butterfly-vertebra
#4
Maroua Slouma, Elhem Cheour, Héla Sahli, Mohamed Elleuch
No abstract text is available yet for this article.
August 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/27909194/severity-assessment-and-scoring-for-neurosurgical-models-in-rodents
#5
Sarah Pinkernell, Katrin Becker, Ute Lindauer
The most important acute neurological diseases seen at neurosurgery departments are traumatic brain injuries (TBI) and subarachnoid hemorrhages (SAH). In both diseases the pathophysiological sequela are complex and have not been fully understood up to now, and rodent models using rats and mice are most suitable for the investigation of the pathophysiological details. In both models, surgery is performed under anesthesia, followed by assessment of their functional outcome and behavioral testing before brain tissue analysis after euthanasia...
December 2016: Laboratory Animals
https://www.readbyqxmd.com/read/27908617/regional-cerebral-blood-flow-and-cellular-environment-in-subarachnoid-hemorrhage-a-thermal-doppler-flowmetry-and-microdialysis-study
#6
D Papadopoulos, A Filippidis, G Krommidas, G Vretzakis, K Paterakis, A Komnos, K N Fountas
BACKGROUND: Cerebral microdialysis enables assessment of regional metabolic physiology and provides biomarkers for clinical correlation in critical conditions, such as subarachnoid hemorrhage (SAH). The aim of our current study was to investigate the correlation between regional cerebral blood flow and microdialysis parameters (glucose, lactate, glycerol, pyruvate concentrations, and lactate/pyruvate metabolic ratio) in patients with SAH. MATERIALS AND METHODS: Twenty-one patients with SAH were enrolled in our retrospective study...
November 18, 2016: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/27906765/hemodynamic-disturbances-in-the-early-phase-after-subarachnoid-hemorrhage-regional-cerebral-blood-flow-studied-by-bedside-xenon-enhanced-ct
#7
Henrik Engquist, Anders Lewén, Tim Howells, Ulf Johnson, Elisabeth Ronne-Engström, Pelle Nilsson, Per Enblad, Elham Rostami
BACKGROUND: The mechanisms leading to neurological deterioration and the devastating course of delayed cerebral ischemia (DCI) after subarachnoid hemorrhage (SAH) are still not well understood. Bedside xenon-enhanced computerized tomography (XeCT) enables measurements of regional cerebral blood flow (rCBF) during neurosurgical intensive care. In the present study, CBF characteristics in the early phase after severe SAH were explored and related to clinical characteristics and early clinical course outcome...
November 30, 2016: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/27903205/predicting-neurological-deficit-severity-due-to-subarachnoid-haemorrhage-soluble-cd40-ligand-and-platelet-derived-growth-factor-bb
#8
Yoshitaka Kubo, Takahiro Koji, Jun Yoshida, Akira Ogawa, Kuniaki Ogasawara
BACKGROUND: Several biological markers can predict outcomes in patients with subarachnoid haemorrhage (SAH), but markers to predict neurological deficit severity in patients with SAH and poor neurological condition have not yet been established. Soluble CD40 ligand (sCD40L) and platelet-derived growth factor (PDGF) are related to the systemic inflammatory response. OBJECTIVE: In a prospective study, to investigate the relationship between clinical outcomes and blood test results in patients with SAH and severe neurological deficits...
December 2016: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
https://www.readbyqxmd.com/read/27902383/detection-of-isaba1-in-association-with-a-novel-allelic-variant-of-the-%C3%AE-lactamase-adc-82-and-class-d-%C3%AE-lactamase-genes-mediating-carbapenem-resistance-among-the-clinical-isolates-of-mdr-a-baumannii
#9
Rajagopalan Saranathan, Rinki Kumari, Ramakrishnan Kalaivani, Sah Suresh, Anshu Rani, Shashikala Purty, Prashanth K
The objective of the present study is to investigate the diverse resistance determinants, their association with IS mobile elements and predilection of a particular clone for such associations in A. baumannii. Fifty-four consecutive isolates collected during 2011-2012 from a tertiary care hospital were subjected to susceptibility testing followed by PCR screening of commonly reported β-lactamases and 16S rRNA methyl transferase encoding genes. The integrity of RND efflux pump related genes in their respective operons was also investigated...
November 25, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27901241/cardiovascular-risk-factors-associated-with-frailty-syndrome-among-hospitalized-elderly-people-a-cross-sectional-study
#10
Darlene Mara Dos Santos Tavares, Camila Gigante Colamego, Maycon Sousa Pegorari, Pollyana Cristina Dos Santos Ferreira, Flávia Aparecida Dias, Alisson Fernandes Bolina
CONTEXT AND OBJECTIVE: Identification of frailty syndrome and its relationship with cardiovascular risk factors among hospitalized elderly people is important, since this may contribute towards broadening of knowledge regarding this association within tertiary-level services. This study aimed to evaluate the cardiovascular risk factors associated with frailty syndrome among hospitalized elderly people. DESIGN AND SETTING: Observational cross-sectional study in a public teaching hospital...
September 2016: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/27900495/developing-research-collaborations-in-an-academic-clinical-setting-challenges-and-lessons-learned
#11
John A Sahs, Andel V Nicasio, Joan E Storey, Peter J Guarnaccia, Roberto Lewis-Fernández
Research collaboration in "real world" practice settings may enhance the meaningfulness of the findings and reduce barriers to implementation of novel intervention strategies. This study describes an initiative to integrate research into a hospital-based outpatient psychiatric clinic within an academic medical center, focusing on collaborative processes across three research projects. We report on the varied outcomes of the projects and utilize data from two focus groups to identify the key elements that contributed to the challenges and successes...
November 29, 2016: Community Mental Health Journal
https://www.readbyqxmd.com/read/27900416/-intensive-care-treatment-after-aneurysmal-subarachnoid-hemorrhage
#12
U Jaschinski
Aneurysmal subarachnoid hemorrhage (SAH) is a devastating disease and nearly one third of patients die in the acute phase. Due to the bleeding event, a hyperactive sympathetic nervous system and an uncontrolled inflammatory response have a profound local and systemic impact on other organ functions. Neuroendocrinological disorders and cardiopulmonary morbidity are dominant. Despite a decrease in hospital mortality for high volume centers, a high proportion of survivors suffer from neurological deficits. Knowledge of the pathophysiology of vasospasms in the later stages of the disease has increased...
November 29, 2016: Der Anaesthesist
https://www.readbyqxmd.com/read/27896923/homocysteine-modulates-5-lipoxygenase-expression-level-via-dna-methylation
#13
Jian-Guo Li, Carlos Barrero, Sapna Gupta, Warren D Kruger, Salim Merali, Domenico Praticò
Elevated levels of homocysteinemia (Hcy), a risk factor for late-onset Alzheimer's disease (AD), have been associated with changes in cell methylation. Alzheimer's disease is characterized by an upregulation of the 5-lipoxygenase (5LO), whose promoter is regulated by methylation. However, whether Hcy activates 5LO enzymatic pathway by influencing the methylation status of its promoter remains unknown. Brains from mice with high Hcy were assessed for the 5LO pathway and neuronal cells exposed to Hcy implemented to study the mechanism(s) regulating 5LO expression levels and the effect on amyloid β formation...
November 29, 2016: Aging Cell
https://www.readbyqxmd.com/read/27896625/mri-characterization-in-the-acute-phase-of-experimental-subarachnoid-hemorrhage
#14
Dewei Guo, D Andrew Wilkinson, B Gregory Thompson, Aditya S Pandey, Richard F Keep, Guohua Xi, Ya Hua
A number of mechanisms have been proposed for the early brain injury after subarachnoid hemorrhage (SAH). In this study, we investigated the radiographic characteristics and influence of gender on early brain injury after experimental SAH. SAH was induced by endovascular perforation in male and female rats. Magnetic resonance imaging was performed in a 7.0-T Varian MR scanner at 24 h after SAH. The occurrence and size of T2 lesions, ventricular dilation, and white matter injury (WMI) were determined on T2-weighted images (T2WI)...
November 28, 2016: Translational Stroke Research
https://www.readbyqxmd.com/read/27895358/paediatric-traumatic-brain-injury-presentation-prognostic-indicators-and-outcome-analysis-from-a-tertiary-care-center-in-a-developing-country
#15
Badar Ujjan, Muhammad Waqas, Muhammad Babar Khan, Saqib Kamran Bakhshi, Muhammad Ehsan Bari
Traumatic brain injury (TBI) is the leading cause of morbidity and mortality in children worldwide. This study was conducted to report the presentation, management, outcomes and prognostic indicators in a large series of patients from a tertiary care centre in a developing country. It is a review of prospectively collected data of paediatric patients with TBI admitted at our centre between July 2010 and December 2013. A total of 291 patients with a mean age of 7.2±5.0 years were dichotomised into survivors and non-survivors, and variables were compared between the two groups...
October 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27894352/immunoassay-of-s-adenosylmethionine-and-s-adenosylhomocysteine-the-methylation-index-as-a-biomarker-for-disease-and-health-status
#16
Xiujuan Hao, Yan Huang, Ming Qiu, Chunlin Yin, Huiming Ren, Hongjie Gan, Huijun Li, Yaxia Zhou, Jiazhi Xia, Wenting Li, Lijuan Guo, Isaac A Angres
BACKGROUND: S-Adenosylmethionine (SAM) and S-adenosylhomocysteine (SAH) are relevant to a variety of diseases. Previous reports that quantified SAM and SAH were based on HPLC or LC-MS/MS. No antibody against SAM has been generated, and the antibody against SAH cannot be used with blood samples. Immunoassays have not been used to measure SAM and SAH. In this study, ELISA was used to measure blood SAM and SAH levels. RESULTS: Specific antibodies against SAM were produced for the first time using a stable analog as the antigen...
November 28, 2016: BMC Research Notes
https://www.readbyqxmd.com/read/27890752/delayed-development-of-aneurysms-following-gamma-knife-surgery-for-trigeminal-neuralgia-report-of-2-cases
#17
Hiroki Uchikawa, Toru Nishi, Yasuyuki Kaku, Tomoaki Goto, Jun-Ichi Kuratsu, Shigetoshi Yano
BACKGROUND: Delayed development of intracranial aneurysms is an extremely rare complication of gamma knife surgery (GKS), and so far only 6 cases have been reported. Furthermore, there are no reported cases after GKS for trigeminal neuralgia (TN). Of the above cases, none referred to the natural history or pathophysiology of GKS-related intracranial aneurysm formation. CASE DESCRIPTION: We treated 2 patients who suffered subarachnoid hemorrhage (SAH) due to ruptures of intracranial aneurysms that developed long after GKS...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27890003/biofilm-mediated-antibiotic-resistant-oral-bacterial
#18
Indu Lata Kanwar, Abhishek Kumar Sah, Preeti K Suresh
Oral diseases like dental caries and periodontal disease are directly associated with the capability of bacteria to form biofilm. Periodontal diseases have been associated to anaerobic Gram-negative bacteria forming a subgingival plaque (Porphyromonas gingivalis, Actinobacillus, Prevotella and Fusobacterium). Biofilm is a complex bacterial community that is highly resistant to antibiotics and human immunity. Biofilm communities are the causative agents of biological developments such as dental caries, periodontitis, and peri-implantitis, and causing periodontal tissue breakdown...
November 24, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27885298/klippel-trenaunay-syndrome-a-case-report
#19
R K Sah, S Sharma, S Ghimire, B B Bagale, M Kayastha, R H Chapagain
Klippel-Trenaunaysyndrome(KTS) is a rare congenital condition usually presenting with port wine stains, excessive growth of bones and soft tissue and varicose veins which most commonly occurs in the legs, but it also may affect the arms, face, head, or internal organs. We report a case of term male neonate with clinical findings of Port-wine stain, multiple cystic swellings with ultrasonographic findings suggestive of vascular malformations and limb abnormalities in the form ofsoft tissue hypertrophy of right upper limb, polydactyly of right hand and syndactyly of left hand consistent withKlippel-Trenaunay syndrome...
May 2016: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/27883038/anti-high-mobility-group-box-1-hmgb1-antibody-attenuates-delayed-cerebral-vasospasm-and-brain-injury-after-subarachnoid-hemorrhage-in-rats
#20
Jun Haruma, Kiyoshi Teshigawara, Tomohito Hishikawa, Dengli Wang, Keyue Liu, Hidenori Wake, Shuji Mori, Hideo Kohka Takahashi, Kenji Sugiu, Isao Date, Masahiro Nishibori
Although delayed cerebral vasospasm (DCV) following subarachnoid hemorrhage (SAH) is closely related to the progression of brain damage, little is known about the molecular mechanism underlying its development. High mobility group box-1 (HMGB1) plays an important role as an initial inflammatory mediator in SAH. In this study, an SAH rat model was employed to evaluate the effects of anti-HMGB1 monoclonal antibody (mAb) on DCV after SAH. A vasoconstriction of the basilar artery (BA) associated with a reduction of nuclear HMGB1 and its translocation in vascular smooth muscle cells were observed in SAH rats, and anti-HMGB1 mAb administration significantly suppressed these effects...
November 24, 2016: Scientific Reports
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