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https://www.readbyqxmd.com/read/27909286/three-cases-of-levodopa-resistant-parkinsonism-after-radiation-therapy
#1
Raja Mehanna, Joohi Jimenez-Shahed, Ilia Itin
BACKGROUND Unequivocal brain radiation-induced parkinsonism has so far been reported in only in two pediatric patients. However, with the rising incidence rates for brain tumors in industrialized countries and the consequential increased exposure to cranial radiotherapy, clinicians might become more exposed to this entity. CASE REPORT Three patients were treated for intraparenchymal brain tumor with resection, chemotherapy, and whole brain radiation. One patient developed leukoencephalopathy and parkinsonism within one year of treatment, one developed it seven years after treatment completion, and one developed dementia, parkinsonism and cerebral infracts 40 years after whole brain radiation...
December 2, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27896601/how-are-editors-selected-recruited-and-approved
#2
Jaime A Teixeira da Silva, Aceil Al-Khatib
The editors of scholarly journals have a duty to uphold and promote the highest standards of ethical conduct of research. They also have a responsibility to maintain the integrity of the literature, and to promote transparency and honesty in reporting research findings. In the process of screening manuscripts they receive for possible publication, editors have the obligation to report infractions to the institutions of offending authors, and request an investigation. Since editors can reject a paper on ethical grounds, they can be considered to be the guardians of ethics who should express high ethical standards in conducting and publishing their own research...
November 28, 2016: Science and Engineering Ethics
https://www.readbyqxmd.com/read/27893992/prediction-of-myocardial-infarction-by-assessing-regional-cardiac-wall-in-cmr-images-through-active-mesh-modeling
#3
Hossein Yousefi-Banaem, Saeed Kermani, Sasan Asiaei, Hamid Sanei
Myocardial infarction is a leading cause of morbidity and mortality. In this study, using Cine MRI images, the infarct region was precisely determined by examining the local migration path length of critical points on myocardium borders and the fractional thickening effects. First, MRI Cine images of Epi/Endocardium were processed in 3D for all slices, and then incorporated in all frames to build a dynamic model. Epi/Endocardium images were segmented using Heiberg algorithm, and then by a robust restricted block matching algorithm, the sparse points were tracked...
November 14, 2016: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/27876065/expression-of-adiponectin-receptors-in-human-and-rat-intervertebral-disc-cells-and-changes-in-receptor-expression-during-disc-degeneration-using-a-rat-tail-temporary-static-compression-model
#4
Yoshiki Terashima, Kenichiro Kakutani, Takashi Yurube, Toru Takada, Koichiro Maeno, Hiroaki Hirata, Shingo Miyazaki, Masaaki Ito, Yuji Kakiuchi, Yoshiki Takeoka, Ryosuke Kuroda, Kotaro Nishida
BACKGROUND: Adipose tissue is a large endocrine organ known to secret adiponectin, which has anti-diabetic, anti-atherogenic, and anti-inflammatory properties. Adiponectin is widely involved in systemic disease, diabetes mellitus, and cardiac infraction. This study aimed to investigate the involvement of adiponectin in intervertebral disc (IVD) degeneration. METHODS: Adipose and IVD tissues were obtained from human patients undergoing surgery (n = 4) and from skeletally mature Sprague-Dawley rats (n = 21)...
November 22, 2016: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/27873751/rheumatoid-vasculitis-early-presentation-of-rheumatoid-arthritis
#5
Yasir Abdulqader, Muhsen Al-Ani, Konstantinos Parperis
Rheumatoid vasculitis is a rare and late complication of rheumatoid arthritis and may affect small-to-medium-sized vessels. Here, we report a case of a 49-year-old man who presented with amaurosis fugax in the left eye, symmetric polyarthritis, Raynaud's symptoms and paraesthesia in both lower extremities. The patient subsequently experienced right foot drop, nail fold infracts and gangrene of his right second toe. He was found to have a high titre of rheumatoid factor and treatment with rituximab and high dose of corticosteroids led to significant improvement of his symptoms...
November 8, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27834280/addressing-ethical-concerns-arising-in-nursing-and-midwifery-students-reflective-assignments
#6
Bridie McCarthy, Joan McCarthy, Anna Trace, Pamela Grace
BACKGROUND: Written reflections on practice are frequently requirements of nursing curricula. They are widely accepted as necessary for improving critical thinking and problem-solving skills. Faculty, are expected to review reflections and provide feedback that helps professional development and facilitates good practice. It is less clear what the actions of nurse educators should be when ethical infractions are revealed in the narratives. OBJECTIVES: We had two aims: 1) To combine insights from a literature review of empirical and theoretical research related to responding to ethical issues revealed in student reflections with our experiences reviewing the reflections of undergraduate nursing and midwifery students, and 2) to construct and analyze a hybrid case from these insights in order to develop guidelines for nurse educators...
November 10, 2016: Nursing Ethics
https://www.readbyqxmd.com/read/27826749/trpc3-6-7-knockdown-protects-the-brain-from-cerebral-ischemia-injury-via-astrocyte-apoptosis-inhibition-and-effects-on-nf-%C3%B0%C2%BAb-translocation
#7
Xiaoyun Chen, Min Lu, Xiju He, Le Ma, Lutz Birnbaumer, Yanhong Liao
Ischemia contributes significantly to morbidity and mortality associated with many common neurological diseases. Calcium overload is an important mechanism of cerebral ischemia and reperfusion (I/R) injury. Despite decades of intense research, an effective beneficial treatment of stroke remains limited; few therapeutic strategies exist to combat the consequences of cerebral ischemia. Traditionally, a "neurocentric" view has dominated research in this field. Evidence is now accumulating that glial cells, especially astrocytes, play an important role in the pathophysiology of cerebral ischemia...
November 8, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27797344/objective-basis-for-chronic-pain-in-patients-with-adult-sickle-cell-disease
#8
Samip Master, Abhishek Patel, Glenn Mills, Richard Mansour
Sickle Cell Disease (SCD) affects approximately 100,000 Americans and due to lack of an organized treatment approach, patients with SCD pose a high economic burden on medical services. The patients with SCD have chronic bone damage from bone marrow infraction and vaso-occulsive events. These bone damages lead to chronic pain in patients with SCD. The inadwquate treatment of chronic pain in adult patients with SCD can lead to pseudo-addictive behavior and also affect their psycho-social life. There are certain barriers to adequate pain management in adult patients with SCD, namely, limited knowledge among the clinicians, inadequate assessment, concerns about addiction, and biases against opioid use...
September 2016: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/27796760/downregulation-of-nad-dependent-deacetylase-sirt2-protects-mouse-brain-against-ischemic-stroke
#9
Xiao Qiang Xie, Pei Zhang, Bo Tian, Xiao Qian Chen
Sirtuin 2 (SIRT2) is a member of NAD(+)-dependent protein deacetylases involved in a wide range of pathophysiological processes including myocardial injury, Parkinson's disease, and Huntington's disease. However, the direct implication of SIRT2 in ischemic stroke is still unclear. In the present study, we observed that SIRT2 protein was mainly expressed in the cytoplasm of neurons, but not in astrocyte and microglia. SIRT2 was upregulated in ischemic neurons in the oxygen-glucose deprivation cell model and in the transient middle cerebral artery occlusion (tMCAo) mouse model...
October 29, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27793583/assessment-of-human-tribbles-homolog-3-genetic-variation-rs2295490-effects-on-type-2-diabetes-patients-with-glucose-control-and-blood-pressure-lowering-treatment
#10
Fazhong He, Mouze Liu, Zhangren Chen, Guojing Liu, Zhenmin Wang, Rong Liu, Jianquan Luo, Jie Tang, Xingyu Wang, Xin Liu, Honghao Zhou, Xiaoping Chen, Zhaoqian Liu, Wei Zhang
Effects of human tribbles homolog 3 (TRIB3) genetic variation (c.251 A>G, Gln84Arg, rs2295490) on the clinical outcomes of vascular events has not been evaluated in patients with type 2 diabetes after blood pressure lowering and glucose controlling treatment. We did an analysis of a 2×2 factorial (glucose control axis and blood pressure lowering axis) randomized controlled clinical trial at 61 centers in China, with a follow-up period of 5years. The major vascular endpoints were the composites of death from cardio-cerebral vascular diseases, non-fatal stroke and myocardial infraction, new or worsening renal and diabetic eye disease...
October 20, 2016: EBioMedicine
https://www.readbyqxmd.com/read/27777191/-effect-of-implantation-of-cardiosphere-derived-cells-combined-with-rat-heart-tissue-derived-extracellular-matrix-on-acute-myocardial-infarction-in-rats
#11
Da-Qing Jiang, Tian-Xiang Gu, Zhao-Fa Xu, Shuang Liu, Xue-Yuan Li
OBJECTIVE: To investigate whether heart tissue-derived extracellular matrix (ECM) promotes the differentiation of cardiosphere-derived cells (CDCs) implanted in rat infracted myocardium to improve the cardiac structure and function. METHODS: Rat CDCs were cultured by cardiac explant methods, and ECM was prepared by decelluariztion method. In a Wistar rat model of acute myocardial infarction established by ligating the left anterior descending branch, IMDM solution, ECM suspension, 10(6) CDCs in IMDM solution, or 10(6) CDCs in ECM suspension were injected into the infracted rat myocardium (6 rats in each group)...
October 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27747551/gender-and-age-differences-in-components-of-traffic-related-pedestrian-death-rates-exposure-risk-of-crash-and-fatality-rate
#12
María Ángeles Onieva-García, Virginia Martínez-Ruiz, Pablo Lardelli-Claret, José Juan Jiménez-Moleón, Carmen Amezcua-Prieto, Juan de Dios Luna-Del-Castillo, Eladio Jiménez-Mejías
BACKGROUND: This ecological study aimed i) to quantify the association of age and gender with the three components of pedestrians' death rates after a pedestrian-vehicle crash: exposure, risk of crash and fatality, and ii) to determine the contribution of each component to differences in death rates according to age and gender in Spain. METHODS: We analyzed data for 220 665 pedestrians involved in road crashes recorded in the Spanish registry of road crashes with victims from 1993 to 2011, and a subset of 39 743 pedestrians involved in clean collisions (in which the pedestrian did not commit an infraction)...
December 2016: Injury Epidemiology
https://www.readbyqxmd.com/read/27746410/design-synthesis-and-biological-evaluation-of-novel-tetramethylpyrazine-derivatives-as-potential-neuroprotective-agents
#13
Haiyun Chen, Guolian Tan, Jie Cao, Gaoxiao Zhang, Peng Yi, Pei Yu, Yewei Sun, Zaijun Zhang, Yuqiang Wang
Oxidative stress plays a crucial role in neurological diseases, resulting in excessive production of reactive oxygen species, mitochondrial dysfunction and cell death. In this work, we designed and synthesized a series of tetramethylpyrazine derivatives and investigated their abilities for scavenging free radicals and preventing against oxidative stress-induced neuronal damage in vitro. Among them, compound 22a, consisted of TMP, caffeic acid and a nitrone group, showed potent radical-scavenging activity. Compound 22a had broad neuroprotective effects, including rescuing iodoacetic acid-induced neuronal loss, preventing from t-BHP-induced neuronal injury...
October 14, 2016: Chemical & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27736121/protective-factor-screening-for-prevention-practice-sensitivity-and-specificity-of-the-dessa-mini
#14
Valerie B Shapiro, B K Elizabeth Kim, Jennifer L Robitaille, Paul A LeBuffe
The Devereux Student Strengths Assessment Mini (DESSA-Mini; Naglieri, LeBuffe, & Shapiro, 2011/2014) was designed to overcome practical obstacles to universal prevention screening. This article seeks to determine whether an entirely strength-based, 8-item screening instrument achieves technical accuracy in routine practice. Data come from a district-wide implementation of a new social emotional learning (SEL) initiative designed to promote students' social-emotional competence. All students, kindergarten through Grade 8, were screened using the DESSA-Mini...
October 13, 2016: School Psychology Quarterly
https://www.readbyqxmd.com/read/27681306/recording-duration-and-short-term-reproducibility-of-heart-rate-and-qt-interval-variability-in-patients-with-myocardial-infarction
#15
Safa Yaghini Bonabi, Fatima El-Hamad, Alexander Müller, Michael Dommasch, Alexander Steger, Georg Schmidt, Mathias Baumert
Beat-to-beat variability of the QT interval (QTV) measured on surface ECG has emerged as a potential marker for ventricular repolarization instability and has been used along with heart rate variability (HRV) to predict arrhythmic risk. Since measurement modalities of QTV have not been standardized, the objective of this study was to investigate the effect of ECG recording duration on QTV as well as HRV. Using a database of 30 min ECG recorded from 500 patients with acute myocardial infraction during rest, we extracted RR and QT interval time series and estimated different HRV and QTV metrics over windows of varying length...
September 28, 2016: Physiological Measurement
https://www.readbyqxmd.com/read/27605524/chronic-total-occlusion-of-an-infarct-related-artery-a-new-predictor-of-ventricular-arrhythmias-in-primary-prevention-implantable-cardioverter-defibrillator-patients
#16
Andrea Di Marco, Ignasi Anguera, Luis Teruel, Paolo Dallaglio, José González-Costello, Valentina León, Elaine Nuñez, Nicolás Manito, Joan Antoni Gómez-Hospital, Xavier Sabaté, Ángel Cequier
AIMS: The aim of this article is to evaluate the impact of a coronary chronic total occlusion in an infarct-related artery (IRA-CTO) on the occurrence of ventricular arrhythmias (VAs) in patients implanted with an implantable cardioverter defibrillator (ICD) for primary prevention. METHODS AND RESULTS: The study includes a prospective cohort of 108 consecutive patients with ischaemic cardiomyopathy, in whom an ICD was implanted for primary prevention and a coronary angiography performed before ICD implantation...
September 7, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27595467/inflammation-in-atherosclerosis
#17
Soraya Taleb
Atherosclerosis is an inflammatory disease within the arterial wall that is responsible for several important adverse vascular events, including coronary artery disease, myocardial infraction, stroke and peripheral artery disease. Both innate and adaptive immunity play important roles in the development of atherosclerosis. In particular, monocytes/macrophages, which are the surrogate cells of innate immunity, have important proatherogenic effects. In addition, adaptive immune responses effected by T cells play important roles in atherosclerosis...
August 29, 2016: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/27509600/-acupuncture-method-of-huoxue-sanfeng-shugan-jianpi-for-morning-blood-pressure-in-patients-with-cerebral-infraction-combined-with-essential-hypertension-a-randomized-controlled-trial
#18
RANDOMIZED CONTROLLED TRIAL
Xinxin Gao, Fen Ma, Qi Zhao, Yi Zhang, Yuzheng Du
OBJECTIVE: To observe the clinical effects of acupuncture method of "Huoxue Sanfeng, Shugan Jianpi" (activating blood and eliminating wind, soothing liver and strengthening spleen) on morning blood pressure in patients with cerebral infraction combined with essential hypertension. METHODS: Sixty-eight patients were randomly divided into an observation group and a control group, 34 cases in each one. The patients in the two groups were treated with acupuncture method of "Xingnao Kaiqiao" (consciousness-restoring resuscitation) and oral administration of nifedipine...
May 2016: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/27509457/neuroprotective-effects-of-chronic-fenofibrate-treatment-via-modulating-the-immunoreactivity-of-cleaved-caspase-3-in-stroke-induced-by-transient-middle-cerebral-occlusion-rat-model
#19
Ozge Altintas, Mehmet Ozgen Altintas, Mehmet Serif Aydin, Oguz Baran, Veysel Antar, Mukaddes Esrefoglu, Talip Asil
AIM: Peroxisome proliferator activated receptors (PPAR) α regulates lipid homeostasis and is a target of fibrates, which have a neuroprotective function by various mechanisms. In this study, we aimed to evaluate the role of the PPARα agonist, fenofibrate, in the modulation of cleaved caspase-3 immunoreactivity and at the final infarct volume in an experimental ischemia/reperfusion rat model by induced transient proximal middle cerebral artery occlusion. MATERIAL AND METHODS: 65 male Spraque Dawley rats were allocated to 4 groups; sham (n = 5), experiment 1 (n = 20), experiment 2 (n = 20), experiment 3 (n = 20)...
February 5, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27489407/concepts-in-regenerative-medicine-past-present-and-future-in-articular-cartilage-treatment
#20
REVIEW
Adam W Anz, Asawari Bapat, William D Murrell
Regenerative medicine is emerging with great interest and hope from patients, industry, academia, and medical professionals. Cartilage regeneration, restoration, or repair is one of the prime targets that remains largely unsolved, and many believe that regenerative medicine can possibly deliver solutions that can be widely used to address the current gap(s) in treatment. In the United States, Europe, Australia, and India the regulation of regenerative based treatments has become a big debate. Although the rules and regulations remain unclear, clinicians that are interested should carry-on with the best available guidelines to ensure safety and compliance during delivery in clinical practice to avoid regulatory infraction...
July 2016: Journal of Clinical Orthopaedics and Trauma
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