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https://www.readbyqxmd.com/read/29783234/-myocardial-bridge-as-the-only-cause-of-acute-coronary-syndrome-among-the-young-patients
#1
Liudmila O Miakinkova, Yurii V Teslenko, Irina V Tsyhanenko
OBJECTIVE: Introduction: Myocardial bridge is an inborn anomaly of coronary artery development, when a part of it is submerged in a myocard, which is pressing the coronary artery to a systola and restrains coronary blood circulation. Generally this feature of coronary blood circulation does not cause any clinical symptoms because the 85% of coronary blood stream of the left ventricle is provided by diastolic filling. Hemodynamic changes in atherosclerosis, tahicardie, hypertrophie of myocard are leading to the manifestation of clinical symptoms of ischemia...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29780222/role-of-concentric-needle-single-fiber-electromyography-in-detection-of-subclinical-motor-involvement-in-carpal-tunnel-syndrome
#2
Aliaa A Tawfeek, Amani M Nawito, Radwa M Azmy, Amr Hassan, Lamia M Afifi, Saly H Elkholy
Background: Conventional motor nerve conduction studies are usually normal in early and mild carpal tunnel syndrome (CTS). Single-fiber electromyography (SFEMG) measures the mean consecutive difference (MCD) as an expression of the variability in impulse transmission over the motor endplates and along the nerve fibers distally to the last branching point and along the muscle fibers.Application of concentric needle SFEMG in a group of CTS patients who showed pure sensory abnormalities in nerve conduction studies to examine for subclinical motor involvement...
2018: Egypt J Neurol Psychiatr Neurosurg
https://www.readbyqxmd.com/read/29774379/-agenesis-of-the-corpus-callosum
#3
REVIEW
J M Lieb, F J Ahlhelm
CLINICAL ISSUE: Agenesis of the corpus callosum is reported to have an incidence of about 1:4000 live births. In 30-45% of cases, genetic etiologies can be identified, e. g., 10% chromosomal anomalies and 20-35% genetic syndromes. Environmental factors like fetal alcohol syndrome are also known to be prone to callosal agenesis. Callosal agenesis can be complete or partial and can be isolated or associated with other central nervous system (CNS) anomalies (e. g., cortical developmental disorders, callosal lipoma, intracranial cysts) or extra-CNS anomalies (e...
May 17, 2018: Der Radiologe
https://www.readbyqxmd.com/read/29773865/perlecan-a-heparan-sulfate-proteoglycan-regulates-systemic-metabolism-with-dynamic-changes-in-adipose-tissue-and-skeletal-muscle
#4
Yuri Yamashita, Satoshi Nakada, Toshinori Yoshihara, Takeshi Nara, Norihiko Furuya, Takashi Miida, Nobutaka Hattori, Eri Arikawa-Hirasawa
Perlecan (HSPG2), a heparan sulfate proteoglycan, is a component of basement membranes and participates in a variety of biological activities. Here, we show physiological roles of perlecan in both obesity and the onset of metabolic syndrome. The perinatal lethality-rescued perlecan knockout (Hspg2-/- -Tg) mice showed a smaller mass and cell size of white adipose tissues than control (WT-Tg) mice. Abnormal lipid deposition, such as fatty liver, was not detected in the Hspg2-/- -Tg mice, and those mice also consumed more fat as an energy source, likely due to their activated fatty acid oxidation...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29772682/the-association-of-dietary-fiber-intake-with-cardiometabolic-risk-in-four-countries-across-the-epidemiologic-transition
#5
Louise Lie, Laquita Brown, Terrence E Forrester, Jacob Plange-Rhule, Pascal Bovet, Estelle V Lambert, Brian T Layden, Amy Luke, Lara R Dugas
The greatest burden of cardiovascular disease is now carried by developing countries with cardiometabolic conditions such as metabolic syndrome, obesity and inflammation believed to be the driving force behind this epidemic. Dietary fiber is known to have protective effects against obesity, type 2 diabetes, cardiovascular disease and the metabolic syndrome. Considering the emerging prevalence of these cardiometabolic disease states across the epidemiologic transition, the objective of this study is to explore these associations of dietary fiber with cardiometabolic risk factors in four countries across the epidemiologic transition...
May 16, 2018: Nutrients
https://www.readbyqxmd.com/read/29772046/bilateral-myelinated-retinal-nerve-fibers-associated-with-bilateral-vitreous-cysts-and-solitary-vasoproliferative-tumor-a-new-syndrome
#6
Nora W Muakkassa, Eric J Schwaber, Nora Laver, Jay S Duker
The authors report a case of a 57-year-old male with high myopia, extensive bilateral myelination of the retinal nerve fiber layer, bilateral vitreous cysts, and a solitary vasoproliferative tumor in the right eye. He underwent pars plana vitrectomy and multiple transpupillary thermotherapy treatments for recurrent vitreous hemorrhages and subretinal exudation from the vasoproliferative tumor. To the authors' knowledge, this is the first description of this constellation of findings and suggests this represents a new syndrome...
May 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29767462/soluble-fiber-use-in-pediatric-short-bowel-syndrome-a-survey-on-prevailing-practices
#7
Meredith Linley Harvie, Margaret Alyssa Tucker Norris, Wednesday Marie A Sevilla
BACKGROUND: In pediatric short bowel syndrome (SBS), adding fiber to enteral feedings is 1 treatment method to manage increased stool output. However, there are no standardized recommendations on the use of fiber in this setting, including type, dosage, titration strategies, etc. OBJECTIVE: The aim of this study is to determine current prevailing practices on the use of fiber in the treatment of chronic high stool output in the pediatric SBS population. METHODS: An anonymous electronic survey with 13 questions was sent through health professional electronic mailing lists...
May 16, 2018: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/29765495/effect-of-the-antioxidant-lipoic-acid-in-aortic-phenotype-in-a-marfan-syndrome-mouse-model
#8
Maria C Guido, Victor Debbas, Vera M Salemi, Elaine R Tavares, Thayna Meirelles, Thaís L S Araujo, Patricia Nolasco, Julio C A Ferreira-Filho, Celso K Takimura, Lygia V Pereira, Francisco R Laurindo
Marfan syndrome (MFS) cardiovascular manifestations such as aortic aneurysms and cardiomyopathy carry substantial morbidity/mortality. We investigated the effects of lipoic acid, an antioxidant, on ROS production and aortic remodeling in a MFS mgΔloxPneo mouse model. MFS and WT (wild-type) 1-month-old mice were allocated to 3 groups: untreated, treated with losartan, and treated with lipoic acid. At 6 months old, echocardiography, ROS production, and morphological analysis of aortas were performed. Aortic ROS generation in 6-month-old MFS animals was higher at advanced stages of disease in MFS...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29760657/purkinje-cell-signaling-deficits-in-animal-models-of-ataxia
#9
REVIEW
Eriola Hoxha, Ilaria Balbo, Maria Concetta Miniaci, Filippo Tempia
Purkinje cell (PC) dysfunction or degeneration is the most frequent finding in animal models with ataxic symptoms. Mutations affecting intrinsic membrane properties can lead to ataxia by altering the firing rate of PCs or their firing pattern. However, the relationship between specific firing alterations and motor symptoms is not yet clear, and in some cases PC dysfunction precedes the onset of ataxic signs. Moreover, a great variety of ionic and synaptic mechanisms can affect PC signaling, resulting in different features of motor dysfunction...
2018: Frontiers in Synaptic Neuroscience
https://www.readbyqxmd.com/read/29748515/growth-hormone-receptor-mutations-related-to-individual-dwarfism
#10
REVIEW
Shudai Lin, Congjun Li, Charles Li, Xiquan Zhang
Growth hormone (GH) promotes body growth by binding with two GH receptors (GHRs) at the cell surface. GHRs interact with Janus kinase, signal transducers, and transcription activators to stimulate metabolic effects and insulin-like growth factor (IGF) synthesis. However, process dysfunctions in the GH⁻GHR⁻IGF-1 axis cause animal dwarfism. If, during the GH process, GHR is not successfully recognized and/or bound, or GHR fails to transmit the GH signal to IGF-1, the GH dysfunction occurs. The goal of this review was to focus on the GHR mutations that lead to failures in the GH⁻GHR⁻IGF-1 signal transaction process in the dwarf phenotype...
May 10, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29734338/rit1-controls-actin-dynamics-via-complex-formation-with-rac1-cdc42-and-pak1
#11
Uta Meyer Zum Büschenfelde, Laura Isabel Brandenstein, Leonie von Elsner, Kristina Flato, Tess Holling, Martin Zenker, Georg Rosenberger, Kerstin Kutsche
RIT1 belongs to the RAS family of small GTPases. Germline and somatic RIT1 mutations have been identified in Noonan syndrome (NS) and cancer, respectively. By using heterologous expression systems and purified recombinant proteins, we identified the p21-activated kinase 1 (PAK1) as novel direct effector of RIT1. We found RIT1 also to directly interact with the RHO GTPases CDC42 and RAC1, both of which are crucial regulators of actin dynamics upstream of PAK1. These interactions are independent of the guanine nucleotide bound to RIT1...
May 2018: PLoS Genetics
https://www.readbyqxmd.com/read/29731694/the-role-of-some-adam-proteins-and-activation-of-the-insulin-growth-factor-related-pathway-in-colorectal-cancer
#12
REVIEW
Katarzyna Walkiewicz, Ewa Nowakowska-Zajdel, Paweł Kozieł, Małgorzata Muc-Wierzgoń
Colorectal cancer (CRC) is the third most common malignant neoplasm worldwide. In Poland, colorectal cancer ranks second in tumor incidence regardless of sex; moreover, there has been a steady increase in the incidence of CRC. CRC results from complex interactions between inherited susceptibility, clinical conditions and environmental/lifestyle-related risk factors such as physical inactivity, smoking, alcohol consumption, high-fat/low-fiber diet, and obesity/overweight. The activation of pathways associated with insulin resistance and insulin-like growth factors (IGF) appears to be the epidemiological link between the metabolic syndrome and the development of CRC, which is of particular importance...
2018: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/29730653/intake-of-carbohydrate-to-fiber-ratio-is-a-useful-marker-for-metabolic-syndrome-in-patients-with-type-2-diabetes-a-cross-sectional-study
#13
Yoshitaka Hashimoto, Muhei Tanaka, Akane Miki, Yukiko Kobayashi, Sayori Wada, Masashi Kuwahata, Yasuhiro Kido, Masahiro Yamazaki, Michiaki Fukui
BACKGROUND/AIMS: The effect of low carbohydrate diet on human health is still controversial. Whole grain, which is carbohydrate rich in fiber, has protective effects on human health. Thus, we assumed that intake of carbohydrate to fiber ratio has an important role in human health. METHODS: This is a post-hoc analysis of a cross-sectional study of 164 patients with type 2 diabetes. Habitual food and nutrient intake were assessed and estimated by a self-administered diet history questionnaire...
May 4, 2018: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/29725758/ex-vivo-nonlinear-microscopy-imaging-of-ehlers-danlos-syndrome-affected-skin
#14
Norbert Kiss, Dóra Haluszka, Kende Lőrincz, Enikő Kuroli, Judit Hársing, Balázs Mayer, Sarolta Kárpáti, György Fekete, Róbert Szipőcs, Norbert Wikonkál, Márta Medvecz
Ehlers-Danlos syndrome (EDS) is the name for a heterogenous group of rare genetic connective tissue disorders with an overall incidence of 1 in 5000. The histological characteristics of EDS have been previously described in detail in the late 1970s and early 1980s. Since that time, the classification of EDS has undergone significant changes, yet the description of the histological features of collagen morphology in different EDS subtypes has endured the test of time. Nonlinear microscopy techniques can be utilized for non-invasive in vivo label-free imaging of the skin...
May 3, 2018: Archives of Dermatological Research
https://www.readbyqxmd.com/read/29715706/needlescopic-video-assisted-thoracic-bilateral-t4-sympathicotomy-for-the-treatment-of-primary-palmar-hyperhidrosis-an-analysis-of-200-cases
#15
Xing Feng, Xiaoling Xiong, Er Jin, Wen Meng
BACKGROUND:  Primary palmar hyperhidrosis (PPH) is featured by aberrantly perspiration of the hands, which may bring a lot of inconvenience to patient's daily life and work. The purpose of this study is to summarize the clinical effect of needlescopic video-assisted thoracic bilateral T4 sympathicotomy for the treatment of PPH. PATIENTS AND METHODS:  Between January 2009 and March 2014, 200 patients received needlescopic video-assisted thoracic bilateral T4 sympathicotomy...
May 1, 2018: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29715296/effects-of-isomaltodextrin-in-postprandial-lipid-kinetics-rat-study-and-human-randomized-crossover-study
#16
Ryodai Takagaki, Yuki Ishida, Tsuyoshi Sadakiyo, Yoshifumi Taniguchi, Takeo Sakurai, Hitoshi Mitsuzumi, Hikaru Watanabe, Shigeharu Fukuda, Shimpei Ushio
Isomaltodextrin (IMD) is a novel dietary fiber-like polysaccharide: a type of α-glucan produced from starch using enzymes derived from microorganisms. The results of cohort studies show that dietary fiber can prevent cardiovascular disorders caused by lifestyle-related diseases such as metabolic syndrome. Inhibition of excess fat absorption by dietary fiber is known to be one of the mechanisms, and it is also known that the actions of dietary fiber vary depending on factors such as its structure or origin...
2018: PloS One
https://www.readbyqxmd.com/read/29710121/association-of-retinal-ganglion-cell-layer-thickness-with-future-disease-activity-in-patients-with-clinically-isolated-syndrome
#17
Hanna G Zimmermann, Benjamin Knier, Timm Oberwahrenbrock, Janina Behrens, Catherina Pfuhl, Lilian Aly, Miriam Kaminski, Muna-Miriam Hoshi, Svenja Specovius, René M Giess, Michael Scheel, Mark Mühlau, Judith Bellmann-Strobl, Klemens Ruprecht, Bernhard Hemmer, Thomas Korn, Friedemann Paul, Alexander U Brandt
Importance: Clinically isolated syndrome (CIS) describes a first clinical incident suggestive of multiple sclerosis (MS). Identifying patients with CIS who have a high risk of future disease activity and subsequent MS diagnosis is crucial for patient monitoring and the initiation of disease-modifying therapy. Objective: To investigate the association of retinal optical coherence tomography (OCT) results with future disease activity in patients with CIS. Design, Setting, and Participants: This prospective, longitudinal cohort study took place between January 2011 and May 2017 at 2 German tertiary referral centers...
April 23, 2018: JAMA Neurology
https://www.readbyqxmd.com/read/29707236/subacute-histopathological-features-in-a-case-of-varicella-zoster-virus-myelitis-and-post-herpetic-neuralgia
#18
Pouria Moshayedi, Diana Thomas, Charles R Rinaldo, John J Moossy, Joseph C Maroon, Geoffrey H Murdoch, Ronald L Hamilton, Houman Homayoun
Introduction: Post-herpetic neuralgia is a crippling complication of varicella zoster virus (VZV) reactivation, also known as zoster disease. In rare cases, VZV spreads to the spinal cord and causes myelitis. There is a paucity of data on spinal cord histopathology in the subacute phase of post-herpetic neuralgia and VZV myelitis. Case description: In this report, we present a case of post-herpetic neuralgia in a patient who died 5 weeks after initiation of symptoms...
2018: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/29705893/a-study-of-changes-in-levator-muscle-in-congenital-ptosis
#19
Abhidnya Surve, M C Sharma, Neelam Pushker, M S Bajaj, Rachna Meel, Seema Kashyap
PURPOSE: To study microscopic and ultrastructural changes of levator palpebrae superioris (LPS) muscle in congenital ptosis. METHODS: In this prospective observational study, LPS muscle was studied in 77 eyelids with congenital ptosis; 35-simple congenital ptosis (SCP), 12-Marcus Gunn jaw winking phenomenon (MGJWP), and 30-blepharophimosis epicanthus inversus syndrome (BPES). Light microscopy, enzyme histochemistry, immunohistochemistry and electron microscopy were performed, and results were analyzed...
April 28, 2018: International Ophthalmology
https://www.readbyqxmd.com/read/29701412/functional-popliteal-artery-entrapment-syndrome
#20
Luis Gamas, João Rocha Neves, Luís Machado, Ricardo Ferreira, Pedro Paz Dias, José Teixeira
INTRODUCTION: Popliteal artery entrapment is an uncommon syndrome, caused by extrinsic compression of the popliteal artery by muscular or tendinous structures. It occurs mainly in young individuals, with no atherosclerostic risk factors, and a mean age of presentation of 20 to 40 years, and has higher prevalence in males (83% of patients). Clinical presentation depends on the degree of arterial lesion, the most common being intermittent claudication, with critical ischemia being frequent...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
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