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https://www.readbyqxmd.com/read/28945054/intracranial-stereotactic-radiosurgery
#1
Andrew A Fanous, Dheerendra Prasad, David Mathieu, Andrew J Fabiano
Stereotactic radiosurgery (SRS) is the use of a single high dose of radiation, stereotactically directed to an intracranial region of interest, in order to create a lesion or obliterate a preexisting one. This technology has evolved over the years into the use of multiple radiation sources oriented at a variety of angles, thus permitting the creation of various treatment target shapes. This allows for non-open surgical treatment of intracranial pathologies, which significantly decreases the risk of morbidity...
September 22, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28944524/changes-of-vitamin-d-levels-and-bone-turnover-markers-after-cpap-therapy-a-randomized-sham-controlled-trial
#2
Jenny Theorell-Haglöw, Camilla M Hoyos, Craig L Phillips, Brendon J Yee, Markus Herrmann, Tara C Brennan-Speranza, Ronald R Grunstein, Peter Y Liu
The aim was to investigate whether continuous positive airway pressure treatment could modulate serum vitamin D (25-hydroxyvitamin D) and bone turnover markers (collagen-type 1 cross-linked C-telopeptide, osteocalcin and N-terminal propeptide of type 1 collagen) in secondary analysis from a randomized controlled trial. Sixty-five continuous positive airway pressure-naïve male patients with obstructive sleep apnea (age = 49 ± 12 years, apnea-hypopnea index = 39.9 ± 17.7 events h(-1) , body mass index = 31...
September 25, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28943564/resolution-of-left-atrial-appendage-thrombus-with-apixaban-in-a-patient-with-heart-failure
#3
Takenori Okada, Yuji Takaekou, Naomi Idei, Norihiko Ohashi, Shunichi Kaseda
The effect of non-vitamin K antagonist oral anticoagulants on left atrial appendage (LAA) thrombus has not been fully elucidated. There are a few reports showing resolution of LAA thrombus with apixaban. An 84-year-old woman was admitted to our hospital due to acute exacerbation of chronic heart failure and marked tachycardia with atrial fibrillation. She had permanent atrial fibrillation and was treated with warfarin; however, transthoracic echocardiography revealed a non-mobile thrombus in the LAA. Therefore, we switched warfarin to apixaban at a dose of 5 mg/day...
September 25, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28943252/vitamin-c-induced-epigenetic-modifications-in-donor-nscs-establish-midbrain-marker-expressions-critical-for-cell-based-therapy-in-parkinson-s-disease
#4
Noviana Wulansari, Eun-Hee Kim, Yanuar Alan Sulistio, Yong-Hee Rhee, Jae-Jin Song, Sang-Hun Lee
Cultured neural stem/precursor cells (NSCs) are regarded as a potential systematic cell source to treat Parkinson's disease (PD). However, the therapeutic potential of these cultured NSCs is lost during culturing. Here, we show that treatment of vitamin C (VC) enhances generation of authentic midbrain-type dopamine (mDA) neurons with improved survival and functions from ventral midbrain (VM)-derived NSCs. VC acted by upregulating a series of mDA neuron-specific developmental and phenotype genes via removal of DNA methylation and repressive histone code (H3K9m3, H3K27m3) at associated gene promoter regions...
September 18, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28943110/therapies-for-mitochondrial-diseases-and-current-clinical-trials
#5
REVIEW
Ayman W El-Hattab, Ana Maria Zarante, Mohammed Almannai, Fernando Scaglia
Mitochondrial diseases are a clinically and genetically heterogeneous group of disorders that result from dysfunction of the mitochondrial oxidative phosphorylation due to molecular defects in genes encoding mitochondrial proteins. Despite the advances in molecular and biochemical methodologies leading to better understanding of the etiology and mechanism of these diseases, there are still no satisfactory therapies available for mitochondrial disorders. Treatment for mitochondrial diseases remains largely symptomatic and does not significantly alter the course of the disease...
September 18, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28942666/-old-and-new-oral-anticoagulants-in-the-management-of-atrial-fibrillation-hungarian-data
#6
János Tomcsányi, Balázs Salfer, Bence Nagy
INTRODUCTION: Despite a progress in the management of patients with atrial fibrillation this arrhythmia is one of the major causes of stroke, heart failure, sudden death and cardiovascular morbidity. Oral anticoagulation with vitamin K antagonist or non-vitamin K antagonist markedly reduces stroke and mortality in atrial fibrillation patients. AIM: To estimate the real-life vitamin K antagonist and non-vitamin K antagonist oral anticoagulant treatment in past years in Hungary...
October 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28940619/eruptive-milia-during-isotretinoin-therapy
#7
William Farmer, Kyle Cheng, Kalyani Marathe
Isotretinoin (13-cis-retinoic acid) is a synthetic vitamin A derivative that is effective in the treatment of recalcitrant, nodulocystic acne. To our knowledge, there are no reports in the medical literature of milia as a side effect of isotretinoin. We report a case of eruptive facial milia in the setting of isotretinoin treatment for acne.
September 21, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28940579/treatment-of-psoriasis-with-topical-agents-recommendations-from-a-tuscany-consensus
#8
Andrea Chiricozzi, Nicola Pimpinelli, Federica Ricceri, Giovanni Bagnoni, Laura Bartoli, Mauro Bellini, Luca Brandini, Marzia Caproni, Antonio Castelli, Michele Fimiani, Franco Marsili, Carlo Mazzatenta, Maria Chiara Niccoli, Salvatore Panduri, Michele Pellegrino, Riccardo Sirna, Walter Volpi, Marco Romanelli, Francesca Prignano
Psoriasis is a chronic and relapsing inflammatory skin disease, clinically characterized by erythematous and scaly plaques. Treatment approach is mainly driven by disease severity, though several factors should be considered in order to identify the optimal therapeutic choice. Mild psoriasis may be treated with a wide array of topical agents including corticosteroids, vitamin D analogs, keratolytics, and calcipotriol/betamethasone propionate compound. Because guidelines may not provide practical indications regarding the therapeutic approach, the use of topical agents in psoriasis is more individually tailored...
September 20, 2017: Dermatologic Therapy
https://www.readbyqxmd.com/read/28940569/weekly-oral-bisphosphonates-over-two-years-prevent-bone-loss-in-cardiac-transplant-patients
#9
Uwe Lange, Katharina Classen, Ulf Müller-Ladner, Manfred Richter
BACKGROUND: Heart transplantation (HTX) is an established therapy for end-stage heart disease. The aim of this study was to determine whether application of oral bisphosphonates is effective in preventing osseous complications after HTX. METHODS: Thirty-three cardiac transplant recipients were treated with alendronate 70 mg/week or risedronate 35 mg/week in combination with 1000 mg calcium and 800 IU vitamin D. Markers of bone metabolism and dual energy X-ray absorptiometry (DXA) were determined directly after HTX and 2 years later...
September 23, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28940047/epidemiology-of-cerebellar-diseases-and-therapeutic-approaches
#10
REVIEW
Michael S Salman
Diseases involving the cerebellum occur relatively commonly in children and adults around the globe. Many factors influence their epidemiology including geography, ethnicity, consanguinity, and the methodology used to ascertain patients. In addition, reliable epidemiological data rely heavily on accurate disease classification. Continuous advances in genetic research and neuroimaging modalities have resulted in improved understanding of cerebellar diseases and have led to several revisions in their classification...
September 22, 2017: Cerebellum
https://www.readbyqxmd.com/read/28939921/pathophysiology-and-treatment-of-cardiovascular-disease-in-pediatric-chronic-kidney-disease
#11
REVIEW
Nadine Khouzam, Katherine Wesseling-Perry
Life expectancy in patients with all stages of chronic kidney disease (CKD) falls far short of that in the general population. Cardiovascular disease is the leading cause of mortality in pediatric patients with CKD. In contrast to the intimal atherosclerotic lesions that characterize cardiovascular disease in the general population, vascular endothelial dysfunction, medial arterial calcification, and cardiac dysfunction contribute to cardiovascular pathological conditions in CKD. The pathogenesis of these lesions, the origins of which can be identified in the absence of traditional cardiovascular risk factors, is incompletely understood...
September 22, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28939255/inhibition-of-quorum-sensing-related-virulence-factors-of-pseudomonas-aeruginosa-by-pyridoxal-lactohydrazone
#12
Azam Heidari, Nader Noshiranzadeh, Fakhri Haghi, Rahman Bikas
Pseudomonas aeruginosa quorum sensing (QS) system is a cell to cell signaling mechanism that regulates virulence factors and pathogenicity. Therefore, the QS system in P. aeruginosa may be an important target for pharmacological intervention. The present study aimed to investigate the effects of sub-MIC concentrations of (S,E)-2-hydroxy-N-(3-hydroxy-5-(hydroxymethyl)-2-methylpyridin-4-yl)propane hydrazide (pyridoxal lactohydrazone) against P. aeruginosa QS related virulence factors. We investigated the effect of sub-MIC concentrations of chiral pyridoxal lactohydrazone, which formed by the reaction of chiral lactic acid hydrazide and pyridoxal (one form of Vitamin B6) as bioactive reagents, on virulence factors...
September 19, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28939209/calcium-and-bone-metabolism-indices
#13
Lu Song
Calcium and inorganic phosphate are of critical importance for many body functions, thus the regulations of their plasma concentrations are tightly controlled by the concerted actions of reabsorption/excretion in the kidney, absorption in the intestines, and exchange from bone, the major reservoir for calcium and phosphate in the body. Parathyroid hormone (PTH) and 1,25-dihydroxyvitamin D (1,25(OH)2D) control calcium homeostasis, whereas PTH, 1,25(OH)2D, and bone-derived fibroblast growth factor 23 (FGF 23) control phosphate homeostasis...
2017: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/28936998/venous-thromboembolism-due-to-hyperhomocysteinaemia-and-tuberculosis
#14
Ankush Chaudhary, Unnati Desai, Jyotsna M Joshi
An 18-year-old male presented to our hospital with complaints of episodic abdominal pain, dry cough and right pleuritic chest pain. He was diagnosed as a case of right tuberculous pleural effusion on the basis of the pleural fluid Genexpert report of Mycobacterium tuberculosis detected sensitive to rifampicin and was started on antituberculous therapy. Forty-five days later, he presented with acute onset breathlessness, swelling of the right leg, streaky haemoptysis and a fresh left-sided pleural effusion. Evaluation revealed venous thromboembolism (right lower lobar segment pulmonary embolism with right leg deep vein thrombosis)...
May 2017: National Medical Journal of India
https://www.readbyqxmd.com/read/28936809/association-between-vitamin-d-and-carboxy-terminal-cross-linked-telopeptide-of-type-i-collagen-in-children-during-growth-hormone-replacement-therapy
#15
Ewelina Witkowska-Sędek, Anna Stelmaszczyk-Emmel, Anna Kucharska, Urszula Demkow, Beata Pyrżak
Growth hormone and insulin-like growth factor-1 (IGF-1) play a crucial role in the regulation of bone turnover. Adequate vitamin D status supports proper bone remodeling, leading to normal longitudinal bone growth and normal peak bone mass. The aim of this study was to evaluate the association between serum 25-hydroxyvitamin D [25(OH)D] and carboxy-terminal cross-linked telopeptide of type I collagen (ICTP) in children and adolescents with growth hormone deficiency at baseline and during recombinant human growth hormone (rhGH) replacement therapy...
September 22, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28935464/effectiveness-and-safety-of-oral-anticoagulation-with-non-vitamin-k-antagonists-compared-to-well-managed-vitamin-k-antagonists-in-na%C3%A3-ve-patients-with-non-valvular-atrial-fibrillation-propensity-score-matched-cohort-study
#16
Gentian Denas, Nicola Gennaro, Eliana Ferroni, Ugo Fedeli, Mario Saugo, Giacomo Zoppellaro, Seena Padayattil Jose, Giorgio Costa, Maria Chiara Corti, Margherita Andretta, Vittorio Pengo
BACKGROUND: The global real-life impact of non-vitamin K antagonist oral anticoagulants (NOACs) introduction in the healthcare system in a setting of well-managed vitamin K antagonist (VKA) therapy has not been specifically addressed. METHODS: We did a population-based retrospective cohort study in naïve patients initiating oral anticoagulants for stroke prevention in atrial fibrillation in a region with a well-managed VKA therapy. NOAC and VKA cohorts were identified using Anatomical Therapeutic Chemical (ATC) codes, while excluding other indications for anticoagulation therapy using ICD-9CM codes...
September 18, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28935143/vitamin-e-treatment-decreases-muscle-injury-in-mdx-mice
#17
Rafael Dias Mâncio, Túlio de Almeida Hermes, Aline Barbosa Macedo, Daniela Sayuri Mizobuti, Amanda Harduim Valduga, Ian Feller Rupcic, Elaine Minatel
OBJECTIVE: Oxidative stress, in addition to the absence of the dystrophin protein, has been considered an important regulator of Duchenne muscular dystrophy (DMD). Vitamin E presents an important role as a potent antioxidant and in preserving the integrity of the cell membrane. In this study, we evaluated the effects of vitamin E therapy on some physiological pathways that can contribute to muscle injury in the diaphragm muscle of mdx mice (the experimental model of DMD) such as CK levels, inflammatory response, oxidative stress, and the enzymatic antioxidant system...
November 2017: Nutrition
https://www.readbyqxmd.com/read/28935122/prevalence-of-exocrine-pancreatic-insufficiency-in-patients-with-chronic-pancreatitis-without-follow-up-pancr-evol-study
#18
Carlos Marra-Lopez Valenciano, Federico Bolado Concejo, Eva Marín Serrano, Judith Millastre Bocos, Emma Martínez-Moneo, Esperanza Pérez Rodríguez, María Francisco González, Andrés Del Pozo-García, Anaiansi Hernández Martín, Elena Labrador Barba, María Luisa Orera Peña, Enrique de-Madaria
BACKGROUND/OBJECTIVES: Exocrine pancreatic insufficiency (EPI) is an important complication of chronic pancreatitis (CP). Guidelines recommend to rule out EPI in CP, to detect those patients who would benefit from pancreatic enzyme replacement therapy. The aim of this study was to evaluate the prevalence of EPI in patients with CP without follow-up in the last 2 years and to describe their nutritional status and quality of life (QoL). METHODS: This was a cross-sectional, multicenter Spanish study...
September 18, 2017: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/28935034/persistence-with-dabigatran-therapy-at-2%C3%A2-years-in-patients-with-atrial-fibrillation
#19
Miney Paquette, Lionel Riou França, Christine Teutsch, Hans-Christoph Diener, Shihai Lu, Sergio J Dubner, Chang Sheng Ma, Kenneth J Rothman, Kristina Zint, Jonathan L Halperin, Menno V Huisman, Gregory Y H Lip, Robby Nieuwlaat
BACKGROUND: Guidelines recommend long-term oral anticoagulation therapy for stroke prevention in patients with atrial fibrillation (AF). Treatment discontinuation rates in vitamin K antagonist (VKA)-treated patients are high but may be lower with non-VKA oral anticoagulant agents. OBJECTIVES: The goal of this study was to describe and explore predictors of dabigatran etexilate persistence in patients with newly diagnosed AF over 2 years of follow-up. METHODS: Consecutive patients newly diagnosed with AF and ≥1 stroke risk factor were followed up for 2 years...
September 26, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28934705/vitamin-c-the-next-step-in-sepsis-management
#20
REVIEW
J Teng, A Pourmand, M Mazer-Amirshahi
Sepsis is a life-threatening medical condition, affecting approximately 26 million people worldwide every year. The disease is a continuum, marked by dysregulated inflammation and hemodynamic instability leading to shock, multi-system organ dysfunction, and death. Over the past decades, there has been a focus on the early identification and treatment of sepsis primarily with bundled and goal directed therapy. Despite these advances, morbidity and mortality has remained high, prompting investigation into novel therapies...
September 18, 2017: Journal of Critical Care
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