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Motahare Soufi, Alireza Kamali-Asl, Parham Geramifar, Arman Rahmim
PURPOSE: Determination of intra-tumor high-uptake area using 2-deoxy-2-[(18)F]fluoro-D-glucose ([(18)F]FDG) positron emission tomography (PET) imaging is an important consideration for dose painting in radiation treatment applications. The aim of our study was to develop a framework towards automated segmentation and labeling of homogeneous vs. heterogeneous tumors in clinical lung [(18)F]FDG-PET with the capability of intra-tumor high-uptake region delineation. PROCEDURES: We utilized and extended a fuzzy random walk PET tumor segmentation algorithm to delineate intra-tumor high-uptake areas...
October 21, 2016: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
Miguel Couselo, Vicente Ibáñez, Javier Lluna, Juan José Vila
Introduction Low values of esophageal impedance baseline (EIB) have been related to esophagitis. The aim of this study was to evaluate the diagnostic performance of EIB for erosive esophagitis (ErE) and histological esophagitis (HiE) in children studied for gastroesophageal reflux. Material and Methods Children who underwent esophageal multichannel intraluminal impedance-pH monitoring (MII-pH) and upper-endoscopy with esophageal biopsies were studied retrospectively. EIB values were obtained by MII-pH. ErE was assessed by endoscopy following the Hetzel-Dent classification; HiE was defined by basal zone hyperplasia, papillary lengthening, or inflammatory infiltration...
October 21, 2016: European Journal of Pediatric Surgery
Hussein I El-Subbagh, Adel S El-Azab, Ghada S Hassan, Shahenda M El-Messery, Alaa A-M Abdel-Aziz, Kamal E H El-Taher
The synthesis, biological evaluation and molecular modeling study of 6,7-dihydro-[1,3,4] thiadiazolo[3,2-a][1,3]diazepine analogues as new class of neuromuscular blocking agents are described. The new compounds act via competitive mechanism with ACh which could be reversed by the anticholinesterase - Physostigmine. Compounds GS-53 (30) and AAH1 (33) induced dose-dependent neuromuscular blockade with onset time of 3 and 10 min, ED50 0.15 and 0.36 mmol/kg i.p., respectively, in rats. Compound 30 proved to be as twice as potent as 33 with rapid onset and shorter duration (P < 0...
September 30, 2016: European Journal of Medicinal Chemistry
Quratulane Gillani, Muhammad Ali, Furhan Iqbal
Interleukin (IL) 6 and 18 plays an important role in inflammatory response following hypoxia ischemia encephalopathy (HIE). Present study was designed to demonstrate the effect of two GABAB receptor antagonists (CGP 35348 and 55845), respectively, on the serum IL6 and IL 18 concentrations in albino mice. Albino mice pups (of both genders) were subjected to Murine model of hypoxia-ischemia encephalopathy on postnatal day 10 (right common carotid artery was ligated followed by 8% hypoxia for 25 minutes). After neonatal brain damage and following weaning, mice were divided in three groups, in gender specific manner, and fed on normal rodent diet till they were 13 week old...
September 2016: Pakistan Journal of Pharmaceutical Sciences
Mohamed A Hendaus, Fatima A Jomha, Ahmed H Alhammadi
Perinatal hypoxic-ischemic encephalopathy (HIE) affects one to three per 1,000 live full-term births and can lead to severe and permanent neuropsychological sequelae, such as cerebral palsy, epilepsy, mental retardation, and visual motor or visual perceptive dysfunction. Melatonin has begun to be contemplated as a good choice in order to diminish the neurological sequelae from hypoxic-ischemic brain injury. Melatonin emerges as a very interesting medication, because of its capacity to cross all physiological barriers extending to subcellular compartments and its safety and effectiveness...
2016: Neuropsychiatric Disease and Treatment
Hassan A Aziz
The constant growth of medical knowledge and the increases in specialization in clinical practice have created a significant need to share and access patient information with speed and efficiency. However, current technology is centered on processing data, rather than gathering information. To realize the potential of modern technology in improving patient health, merely collecting and storing data are insufficient: one must convert these data into information and knowledge. In this article, I present an overview of 2 recent advances in technology and their assimilation into the practice of medicine, in the attempt to make clinical data meaningful and then to learn from aggregated clinical data...
November 2016: Laboratory Medicine
Sudhir Adhikari, Kalipatnam Seshagiri Rao
BACKGROUND: Perinatal asphyxia with hypoxic ischemic encephalopathy (HIE) causes significant mortality and morbidity in developing countries. There is limited information about long term neurodevelopmental outcome of infants with neonatal encephalopathy. METHODS: Term infants with the diagnosis of perinatal asphyxia were followed up in neurodevelopmental clinics of Manipal Teaching hospital, Nepal. Study design was prospective mixed longitudinal study. Prematurity, major congenital malformations, other intracranial pathology, birth weight <2500g and chromosomal abnormalities were excluded...
September 30, 2016: Brain & Development
Eiji Hirakawa, Satoshi Ibara, Takuya Tokuhisa, Yoshinobu Maede, Takako Kuwahara, Chie Ishihara, Hiroyuki Noguchi, Yoshiki Naitou, Masakatsu Yamamoto, Masaya Kibe, Tsuyoshi Yamamoto, Tomonori Kurimoto, Masato Kamitomo, Kazutoshi Cho, Hisanori Minakami
BACKGROUND: There have been few reports regarding outcomes after extracorporeal membrane oxygenation (ECMO) in newborn Japanese infants. METHODS: A review of 61 neonates with ECMO through January 1995 at a single center was performed. ECMO was used in neonates with oxygenation index > 20 after conventional treatments. Background factors, such as etiology, vascular access mode (veno-venous [VV] or veno-arterial [VA]), number of days with ECMO, and early ECMO (within 24 hours after birth), were analyzed in relation to outcome with respect to survival to hospital discharge (SHD)...
October 3, 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
Gulzar H Shah, Joshua R Vest, Kay Lovelace, J Mac McCullough
BACKGROUND: Unprecedented amounts of data are produced by the health care and other sectors, presenting opportunities for local health departments (LHDs) to access these data. LHDs will need to participate in health information exchange (HIE) with a number of partners in order to benefit from these data resources. LHDs' participation in HIEs with specific partners has not been studied. OBJECTIVES: To describe the level of and challenges in LHD participation in HIE with other partners, and variation by LHD population size and governance type...
November 2016: Journal of Public Health Management and Practice: JPHMP
Brandon J Dixon, Di Chen, Yang Zhang, Jerry Flores, Jay Malaguit, Derek Nowrangi, John H Zhang, Jiping Tang
Neonatal hypoxic-ischemic encephalopathy (HIE) is an injury that often leads to detrimental neurological deficits. Currently, there are no established therapies for HIE and it is critical to develop treatments that provide protection after HIE. The objective of this study was to investigate the ability of interferon beta (IFNβ) to provide neuroprotection and reduce apoptosis after HIE. Postnatal Day 10 rat pups were subjected to unilateral carotid artery ligation followed by 2.5 hr of exposure to hypoxia (8% O2)...
October 2016: ASN Neuro
Tiffany D Stafford, Joseph L Hagan, Curtis G Sitler, Caraciolo J Fernandes, Jeffrey R Kaiser
Perinatal hypoxic ischemic encephalopathy (HIE) can lead to severe neurodevelopmental outcome and death. Therapeutic hypothermia is neuroprotective for infants with moderate-to-severe HIE. However, therapeutic hypothermia is only offered at high-level regional neonatal intensive care units (NICUs), necessitating the need to transport sick infants to referral centers. The goal of this study was to evaluate whether active cooling on transport is more effective than passive cooling in achieving temperatures in the treatment target range (33°C-34°C) on arrival to the Texas Children's Hospital (TCH) NICU...
September 27, 2016: Therapeutic Hypothermia and Temperature Management
Floris Groenendaal, Linda S de Vries
In the past brain imaging of term infants with HIE was performed with cranial ultrasound (cUS) and computed tomography (CT). Both techniques have several disadvantages, sensitivity and specificity are limited compared to MRI, and CT makes use of radiation.At present MRI including diffusion weighted MRI during the first week of life, has become the method of choice for imaging infants with HIE. In addition to imaging, blood vessels and blood flow can be visualized using MR angiography, MR venography, and arterial spin labeling...
September 27, 2016: Pediatric Research
Alistair J Gunn, Abbot R Laptook, Nicola J Robertson, John D Barks, Marianne Thoresen, Guido Wassink, Laura Bennet
Acute post-asphyxial encephalopathy around the time of birth remains a major cause of death and disability. The possibility that hypothermia may be able to prevent or lessen asphyxial brain injury is a "dream revisited". In this review, a historical perspective is provided from the first reported use of therapeutic hypothermia for brain injuries in antiquity, to the present day. The first uncontrolled trials of cooling for resuscitation were reported more than 50 years ago. The seminal insight that led to the modern revival of studies of neuroprotection was that after profound asphyxia, many brain cells show initial recovery from the insult during a short "latent" phase, typically lasting approximately 6 h, only to die hours to days later after a "secondary" deterioration characterized by seizures, cytotoxic edema, and progressive failure of cerebral oxidative metabolism...
September 27, 2016: Pediatric Research
Fangfang Yan, Chao Jiang, Yan Meng, Huijuan Li, Lie Yu, Xiaojie Fu, Youcai Tang, Meimei Zhang
Erythropoietin (EPO) is important for angiogenesis after hypoxia/ischemia. In this study, we investigated whether recombinant human erythropoietin (rhEPO) can enhance angiogenesis, and promote cognitive function through vascular endothelial growth factor (VEGF)/VEGF receptor 2 (VEGFR2) signaling pathway in a rat model of hypoxic-ischemic encephalopathy (HIE). RhEPO, selective VEGFR2 inhibitor (SU5416) or vehicle was administrated by intraperitoneal injection. The assessment for cognitive function begins on day 60 after anoxia...
September 19, 2016: Brain Research
Deirdre M Murray, Catherine M O'Connor, C Anthony Ryan, Irina Korotchikova, Geraldine B Boylan
OBJECTIVE: More than half of all infants with neonatal hypoxic ischemic encephalopathy (HIE) are graded as mild and do not meet current criteria for therapeutic hypothermia. These infants are often not enrolled in follow-up, and hence our knowledge of their long-term outcome is sparse. We wished to compare 5-year outcomes in a group of infants with mild, moderate, and severe HIE, graded with both early EEG and clinical assessment, none of whom were treated with therapeutic hypothermia...
September 20, 2016: Pediatrics
Sawsan Mahmoud El Bana, Sheren Esam Maher, Amani Fawzy Gaber, Sanaa Shaker Aly
INTRODUCTION: Perinatal asphyxia (PA) is among the leading causes of neonatal morbidity and death in neonatal intensive care units (NICUs). The aims of this research were to determine the concentrations of malondialdehyde (MDA), urine MDA, uric acid, and protein in the cord blood of neonates with perinatal asphyxia and to determine their relationship with the severity of perinatal asphyxia. METHODS: This matched case-control study was conducted from October 2012 to March 2013...
July 2016: Electronic Physician
Pouyan Esmaeilzadeh, Murali Sambasivan
OBJECTIVES: Literature shows existence of barriers to Healthcare Information Exchange (HIE) assimilation process. A number of studies have considered assimilation of HIE as a whole phenomenon without regard to its multifaceted nature. Thus, the pattern of HIE assimilation in healthcare providers has not been clearly studied due to the effects of contingency factors on different assimilation phases. This study is aimed at defining HIE assimilation phases, recognizing assimilation pattern, and proposing a classification to highlight unique issues associated with HIE assimilation...
September 16, 2016: Journal of Biomedical Informatics
Dori A Cross, Julia Adler-Milstein
BACKGROUND: Electronic health information exchange (HIE) is expected to help improve care transitions from hospitals to long-term care (LTC) facilities. We know little about the prevalence of hospital LTC HIE in the United States and what contextual factors may motivate or constrain this activity. RESEARCH DESIGN: Cross-sectional analysis of U.S. acute-care hospitals responding to the 2014 AHA IT Supplement survey and with available readmissions data (n = 1,991)...
September 14, 2016: Journal of the American Medical Directors Association
Kacey B Anderson, Samuel M Poloyac, Patrick M Kochanek, Philip E Empey
Targeted temperature management (TTM) has been shown to reduce mortality and improve neurological outcomes in out-of-hospital cardiac arrest (CA) patients and in neonates with hypoxic-ischemic encephalopathy (HIE). TTM has also been associated with adverse drug events in the critically ill patient due to its effect on drug pharmacokinetics (PKs) and pharmacodynamics (PDs). We aim to evaluate the current literature on the effect of TTM on drug PKs and PDs following CA. MEDLINE/PubMed databases were searched for publications, which include the MeSH terms hypothermia, drug metabolism, drug transport, P450, critical care, cardiac arrest, hypoxic-ischemic encephalopathy, pharmacokinetics, and pharmacodynamics between July 2006 and October 2015...
September 13, 2016: Therapeutic Hypothermia and Temperature Management
Yaser Abdallah, Flavia Namiiro, Jamir Mugalu, Jolly Nankunda, Yvonne Vaucher, Douglas McMillan
OBJECTIVES: To identify reasons for neonatal admission and death with the aim of determining areas needing improvement. METHOD: A retrospective chart review was conducted on records for neonates admitted to Mulago National Referral Hospital Special Care Baby Unit (SCBU) from 1(st) November 2013 to 31(st) January 2014. Final diagnosis was generated after analyzing sequence of clinical course by 2 paediatricians. RESULTS: A total of 1192 neonates were admitted...
June 2016: African Health Sciences
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