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https://www.readbyqxmd.com/read/28231282/mindboggling-morphometry-of-human-brains
#1
Arno Klein, Satrajit S Ghosh, Forrest S Bao, Joachim Giard, Yrjö Häme, Eliezer Stavsky, Noah Lee, Brian Rossa, Martin Reuter, Elias Chaibub Neto, Anisha Keshavan
Mindboggle (http://mindboggle.info) is an open source brain morphometry platform that takes in preprocessed T1-weighted MRI data and outputs volume, surface, and tabular data containing label, feature, and shape information for further analysis. In this article, we document the software and demonstrate its use in studies of shape variation in healthy and diseased humans. The number of different shape measures and the size of the populations make this the largest and most detailed shape analysis of human brains ever conducted...
February 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28229395/transcranial-magnetic-and-direct-current-stimulation-in-children
#2
REVIEW
Mustafa Q Hameed, Sameer C Dhamne, Roman Gersner, Harper L Kaye, Lindsay M Oberman, Alvaro Pascual-Leone, Alexander Rotenberg
Promising results in adult neurologic and psychiatric disorders are driving active research into transcranial brain stimulation techniques, particularly transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS), in childhood and adolescent syndromes. TMS has realistic utility as an experimental tool tested in a range of pediatric neuropathologies such as perinatal stroke, depression, Tourette syndrome, and autism spectrum disorder (ASD). tDCS has also been tested as a treatment for a number of pediatric neurologic conditions, including ASD, attention-deficit/hyperactivity disorder, epilepsy, and cerebral palsy...
February 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28228824/preferred-view-and-transducer-in-lumbar-ultrasound-in-overweight-and-obese-patients
#3
Shervin Farahmand, Somayeh Safavi, Shahriar Shahriarian, Mona Arbab, Hamed Basirghafoori, Shahram Bagheri-Hariri
BACKGROUND: Ultrasound can be used to facilitate lumbar puncture, especially in obese patients. METHODS: In this study, midline and paramedian approaches with curved and linear transducers were compared in patients with Body Mass Index (BMI) above 25 kg/m(2) for the identification of spinal landmarks. In each view, six major landmarks, including spinous process, ligamentum flavum, laminae, epidural space, subarachnoid space and posterior longitudinal ligament, were detected by emergency medicine residents and were then reviewed by radiologists...
February 2017: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/28227979/dispersion-entropy-for-the-analysis-of-resting-state-meg-regularity-in-alzheimer-s-disease
#4
Hamed Azami, Mostafa Rostaghi, Alberto Fernandez, Javier Escudero, Hamed Azami, Mostafa Rostaghi, Alberto Fernandez, Javier Escudero, Alberto Fernandez, Javier Escudero, Mostafa Rostaghi, Hamed Azami
Alzheimer's disease (AD) is a progressive degenerative brain disorder affecting memory, thinking, behaviour and emotion. It is the most common form of dementia and a big social problem in western societies. The analysis of brain activity may help to diagnose this disease. Changes in entropy methods have been reported useful in research studies to characterize AD. We have recently proposed dispersion entropy (DisEn) as a very fast and powerful tool to quantify the irregularity of time series. The aim of this paper is to evaluate the ability of DisEn, in comparison with fuzzy entropy (FuzEn), sample entropy (SampEn), and permutation entropy (PerEn), to discriminate 36 AD patients from 26 elderly control subjects using resting-state magnetoencephalogram (MEG) signals...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227333/memd-enhanced-multivariate-fuzzy-entropy-for-the-evaluation-of-complexity-in-biomedical-signals
#5
Hamed Azami, Keith Smith, Javier Escudero, Hamed Azami, Keith Smith, Javier Escudero, Javier Escudero, Keith Smith, Hamed Azami
Multivariate multiscale entropy (mvMSE) has been proposed as a combination of the coarse-graining process and multivariate sample entropy (mvSE) to quantify the irregularity of multivariate signals. However, both the coarse-graining process and mvSE may not be reliable for short signals. Although the coarse-graining process can be replaced with multivariate empirical mode decomposition (MEMD), the relative instability of mvSE for short signals remains a problem. Here, we address this issue by proposing the multivariate fuzzy entropy (mvFE) with a new fuzzy membership function...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227103/inspection-of-short-time-resting-state-electroencephalogram-functional-networks-in-alzheimer-s-disease
#6
Javier Escudero, Keith Smith, Hamed Azami, Daniel Abasolo, Javier Escudero, Keith Smith, Hamed Azami, Daniel Abasolo, Javier Escudero, Keith Smith, Daniel Abasolo, Hamed Azami
Functional connectivity has proven useful to characterise electroencephalogram (EEG) activity in Alzheimer's disease (AD). However, most current functional connectivity analyses have been static, disregarding any potential variability of the connectivity with time. In this pilot study, we compute short-time resting state EEG functional connectivity based on the imaginary part of coherency for 12 AD patients and 11 controls. We derive binary unweighted graphs using the cluster-span threshold, an objective binary threshold...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226479/extracting-remote-photoplethysmogram-signal-from-endoscopy-videos-for-vessel-and-capillary-density-recognition
#7
Seyyed Hamed Fouladi, Ilangko Balasingham, Kimmo Kansanen, Tor Audun Ramstad, Seyyed Hamed Fouladi, Ilangko Balasingham, Kimmo Kansanen, Tor Audun Ramstad, Seyyed Hamed Fouladi, Ilangko Balasingham, Kimmo Kansanen, Tor Audun Ramstad
In this paper, we propose a new feature for finding lesions in gastrointestinal tissues. Polyps or cancerous parts have different capillary pattern compared with normal parts. There are polyps which have higher density of vessel or capillary pattern. This feature leads us to extract remote photoplethysmogram signal from different parts of videos from gastrointestinal tissue. Due to the fact that hemoglobin absorbs more light than surrounding tissues, more changes are expected to be observed in the parts with higher density of vessels and capillaries...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224390/plga-nanoparticles-as-subconjunctival-injection-for-management-of-glaucoma
#8
Hamed A Salama, Mahmoud Ghorab, Azza A Mahmoud, Mayssa Abdel Hady
Nanoparticles fabricated from the biodegradable and biocompatible polymer, polylactic-co-glycolic acid (PLGA), could be a promising system for targeting ocular drug delivery. The objective of this work was to investigate the possibility of encapsulating brinzolamide in PLGA nanoparticles in order to be applied as a subconjunctival injection that could represent a starting point for developing new therapeutic strategies against increase in ocular pressure. The brinzolamide-loaded PLGA nanoparticles were fabricated using emulsion-diffusion-evaporation method with varying concentrations of Tween 80 or poloxamer 188 (Plx) in aqueous and organic phases...
February 21, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28224033/distribution-and-risk-factors-associated-with-intestinal-parasite-infections-among-children-with-gastrointestinal-disorders
#9
Hamed Kiani, Ali Haghighi, Roya Salehi, Eznollah Azargashb
AIM: Prevalence and risk factors associated with intestinal parasites among children ≤ 12 years old in Nahavand county western Iran, was the objective of this search. BACKGROUND: Intestinal parasites (IPs) are important health problems among most societies. METHODS: This cross sectional study was carried out during 6 months from April to September 2014 in Nahavand County western Iran. Fecal samples were collected from 500 children suffering from gastrointestinal disorders (GIDs) and examined by macroscopy and microscopic (using saline and iodine wet mount, formalin-ether sedimentation, Trichrome and modified Ziehl Neelsen staining) methods...
December 2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28219443/a-new-framework-for-evaluating-the-health-impacts-of-treatment-for-gaucher-disease-type-1
#10
Michael L Ganz, Sean Stern, Alex Ward, Luba Nalysnyk, Martin Selzer, Alaa Hamed, Neal Weinreb
BACKGROUND: The Disease Severity Scoring System (DS3) is a validated measure for evaluating Gaucher disease type 1 (GD1) severity. We developed a new framework, consisting of health states, transition probabilities between those states, and preferences for those states (utilities) based on the DS3 to predict long-term outcomes of patients starting treatment. We defined nine mutually exclusive (alive) health states based on three DS3 categories: mild (0 ≤ DS3 ≤ 3.5) without symptoms of bone disease; mild with bone pain, mild with severe skeletal complications (SSC) defined as lytic lesions, avascular necrosis, or fracture; moderate (3...
February 20, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28217270/neurological-assessment-and-nerve-conduction-study-findings-in-22-patients-with-alkaptonuria-from-jordan
#11
Omar Alrawashdeh, Mohammad Alsbou, Hamed Alzoubi, Hani Al-Shagahin
Alkaptonuria is a rare metabolic disease characterised by accumulative deposition of homogentisic acid in the connective tissue of the body. This results in early degeneration of tendons, cartilages, heart valves, and other tissues. The main objective of the study is to examine the possibility of the nervous system involvement in patients with alkaptonuria The sample consists of two groups; 22 patients with AKU and 20 controls. A neurological assessment has been carried out including detailed medical history, neurological examination, and a nerve conduction study of the nerves of the dominant hand...
November 2, 2016: Neurology International
https://www.readbyqxmd.com/read/28217152/value-of-electroencephalographic-monitoring-in-newborns-with-hypoxic-ischemic-encephalopathy-treated-with-hypothermia
#12
Hatem Hamed Elshorbagy, Ahmed A Azab, Naglaa M Kamal, Naglaa Fathy Barseem, Mohamed M Bassiouny, Mostafa A Elsayed, Tohamy H Elkhouly
BACKGROUND: The values of electroencephalography (EEG) in neonatal hypoxic-ischemic encephalopathy (HIE) during therapeutic hypothermia (TH) are still uncertain. AIMS: The aim of this study is to detect EEG background, the prevalence of seizures during cooling, and to determine different EEG patterns that can predict brain injury in magnetic resonance imaging (MRI). PATIENTS AND METHODS: Thirty-nine newborns with HIE were subjected to TH. Continuous monitoring by video-EEG was carried out throughout cooling and during rewarming...
October 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28217054/role-of-intercostal-nerve-block-in-reducing-postoperative-pain-following-video-assisted-thoracoscopy-a-randomized-controlled-trial
#13
Zulfiqar Ahmed, Khalid Samad, Hameed Ullah
BACKGROUND: The main advantages of video assisted thoracoscopic surgery (VATS) include less post-operative pain, rapid recovery, less postoperative complications, shorter hospital stay and early discharge. Although pain intensity is less as compared to conventional thoracotomy but still patients experience upto moderate pain postoperatively. The objective of this study was to assess the efficacy and morphine sparing effect of intercostal nerve block in alleviating immediate post-operative pain in patients undergoing VATS...
January 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28213939/protective-antibodies-against-clostridium-difficile-are-present-in-intravenous-immunoglobulin-and-are-retained-in-humans-following-its-administration
#14
Ola H Negm, Brendon MacKenzie, Mohamed R Hamed, Omar Aj Ahmad, Clifford C Shone, David P Humphreys, K Ravi Acharya, Christine E Loscher, Izabela Marszalowska, Mark Lynch, Mark H Wilcox, Tanya M Monaghan
The prevalence of serum antibodies against C. difficile (CD) toxins A and B in healthy populations have prompted interest in evaluating the therapeutic activity of intravenous immunoglobulin (IVIg) in individuals experiencing severe or recurrent C. difficile infection (CDI). Despite some promising case reports, a definitive clinical role for IVIg in CDI remains unclear. Contradictory results may be attributed to a lack of consensus regarding optimal dose, timing of administration and patient selection as well as variability in specific antibody content between commercial preparations...
February 18, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28213813/waiting-time-variation-in-early-intervention-psychosis-services-longitudinal-evidence-from-the-sepea-naturalistic-cohort-study
#15
James B Kirkbride, Y Hameed, L Wright, K Russell, C Knight, J Perez, P B Jones
PURPOSE: Early Intervention Psychosis [EIP] services have gained traction internationally, but are currently undergoing various forms of reconfiguration. In England, such services are now mandated to ensure 50% of accepted referrals commence care within 14 days, but no empirical evidence exists. We sought to estimate waiting times to EIP services in a large, representative epidemiological cohort in England, and investigate possible reasons for any variation. METHODS: We estimated median waiting time from referral to acceptance by EIP services and investigated whether this varied by clinical, demographic or neighbourhood-level factors, amongst 798 participants, 16-35 years old, presenting to six EIP services over 3...
February 18, 2017: Social Psychiatry and Psychiatric Epidemiology
https://www.readbyqxmd.com/read/28211312/olivibacter-composti-sp-nov-isolated-from-compost-collected-at-a-greenhouse
#16
Shih-Yao Lin, Asif Hameed, Kai-Yeh Chiu, You-Cheng Liu, Yi-Han Hsu, Wei-An Lai, Chiu-Chung Young
A polyphasic approach was used to characterize a presumably novel bacterium, designated strain CC-KYC063T, isolated from a compost sample collected at a greenhouse facility within Taiwan. Strain CC-KYC063T was Gram-stain-negative and aerobic, able to grow at 15-37 °C (optimal 30 °C), at pH 7.0-9.0 (optimal pH 7.0) and with 0-2 % (w/v) NaCl. The 16S rRNA gene sequence of strain CC-KYC063T showed highest similarity to Olivibacter ginsengisoli Gsoil 060T (96.2 %) and Olivibacter terrae Jip13T (95.5 %)...
January 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28209529/menopausal-hormone-therapy-is-associated-with-increased-risk-of-fecal-incontinence-in-women-after-menopause
#17
Kyle Staller, Mary K Townsend, Hamed Khalili, Raaj Mehta, Francine Grodstein, William E Whitehead, Catherine A Matthews, Braden Kuo, Andrew T Chan
BACKGROUND & AIMS: Low estrogen levels could contribute to development of fecal incontinence (FI) in women after menopause by altering neuromuscular continence mechanisms. However, studies have produced conflicting results on the association between menopausal hormone therapy (MHT) and risk of FI. METHODS: We studied the association between MHT and risk of FI among 55,828 post-menopausal women (mean age 73 years) who participated in the Nurses' Health Study, enrolled since 2008, with no report of FI...
February 13, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28208877/evaluation-of-antibiotic-residues-in-pasteurized-and-raw-milk-distributed-in-the-south-of-khorasan-e-razavi-province-iran
#18
Mortez Mohammadzadeh Moghadam, Mostafa Amiri, Hamed Ramezani Awal Riabi, Hamid Ramezani Awal Riabi
INTRODUCTION: The presence of antibiotic residues in milk and other products livestock is a health problem which can endanger public health. Antibiotics are used widely in animal husbandry to treat diseases related to bacterial infections. Antimicrobial drugs have been in use for decades in industry. They are commonly used in livestock facilities to treat mastitis. AIM: This study aimed to investigate antibiotic residues in pasteurized milk distributed in schools, in milk collection centers, and in milk production factories in Gonabad city...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208841/assessment-of-correlation-between-sweat-chloride-levels-and-clinical-features-of-cystic-fibrosis-patients
#19
Manzoor A Raina, Mosin S Khan, Showkat A Malik, Ab Hameed Raina, Mudassir J Makhdoomi, Javed I Bhat, Syed Mudassar
INTRODUCTION: Cystic Fibrosis (CF) is an autosomal recessive disorder and the incidence of this disease is undermined in Northern India. The distinguishable salty character of the sweat belonging to individuals suffering from CF makes sweat chloride estimation essential for diagnosis of CF disease. AIM: The aim of this prospective study was to elucidate the relationship of sweat chloride levels with clinical features and pattern of CF. MATERIALS AND METHODS: A total of 182 patients, with clinical features of CF were included in this study for quantitative measurement of sweat chloride...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28207380/turning-the-curve-on-obesity-prevalence-among-fifth-graders-in-the-los-angeles-unified-school-district-2001-2013
#20
Amanda Kamali, Heena Hameed, Margaret Shih, Paul Simon
INTRODUCTION: After multiple decades of increasing childhood obesity prevalence in the United States, findings from recent studies suggest that prevalence has leveled or is decreasing in some populations. However, demographic and socioeconomic disparities in prevalence remain and may be increasing. METHODS: To assess recent trends and disparities in childhood obesity prevalence in Los Angeles County, we analyzed data from 2001 through 2013 in fifth graders in the Los Angeles Unified School District (LAUSD)...
February 16, 2017: Preventing Chronic Disease
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