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https://www.readbyqxmd.com/read/28449479/early-results-of-the-sorin-%C3%A2-perceval-s-sutureless-valve-systematic-review-and-meta-analysis
#1
Karan Sian, Sheila Li, Daneish Selvakumar, Ross Mejia
BACKGROUND: Minimally invasive aortic valve replacement (MAVR) has demonstrated a benefit with respect to increased patient satisfaction due to minimised pain and earlier recovery. Sutureless valves may benefit MAVR and conventional aortic valve replacement (AVR) by reducing operative times and blood transfusion requirements. The Perceval valve (Sorin, Salluggia, Italy) is a self-expanding prosthesis made from bovine pericardium mounted in a nitinol stent, designed to simplify the implantation of an aortic valve...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449262/predictive-mechanisms-linking-brain-opioids-to-chronic-pain-vulnerability-and-resilience
#2
REVIEW
Anthony Kenneth Peter Jones, Christopher Andrew Brown
Chronic pain is a major global healthcare problem that is currently inadequately treated. In addition, the current use of opioids for treatment has reached far beyond the paucity of evidence for long-term benefits relative to risks. Benefit-risk models for opioid and non-opioid treatments would benefit from a rational, mechanism-based understanding of neuroplastic and neurochemical contributions to chronic pain. Here we evaluate the findings and limitations of representative research investigating brain neuroplasticity and neurochemistry in chronic pain...
April 27, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28449116/the-iconography-of-mourning-and-its-neural-correlates-a-functional-neuroimaging-study
#3
Karin Labek, Samantha Berger, Anna Buchheim, Julia Bosch, Jennifer Spohrs, Lisa Dommes, Petra Beschoner, Julia C Stingl, Roberto Viviani
The present functional neuroimaging study focuses on the iconography of mourning. A culture-specific pattern of body postures of mourning individuals, mostly suggesting withdrawal, emerged from a survey of visual material. When used in different combinations in stylized drawings in our neuroimaging study, this material activated cortical areas commonly seen in studies of social cognition (temporo-parietal junction, superior temporal gyrus, and inferior temporal lobe), empathy for pain (somatosensory cortex), and loss (precuneus, middle/posterior cingular gyrus)...
April 25, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28448728/does-an-injection-of-adipose-derived-mesenchymal-stem-cells-loaded-in-fibrin-glue-influence-rotator-cuff-repair-outcomes-a-clinical-and-magnetic-resonance-imaging-study
#4
Yong Sang Kim, Chang Hun Sung, Sung Hoon Chung, Sang Joon Kwak, Yong Gon Koh
BACKGROUND: The mesenchymal stem cell (MSC)-based tissue engineering approach has been developed to improve the treatment of rotator cuff tears. Hypothesis/Purpose: The purpose was to determine the effect of an injection of adipose-derived MSCs loaded in fibrin glue during arthroscopic rotator cuff repair on clinical outcomes and to evaluate its effect on structural integrity using magnetic resonance imaging (MRI). The hypothesis was that the application of adipose-derived MSCs would improve outcomes after the surgical repair of a rotator cuff tear...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28448711/-cemented-polyethylene-insert-in-a-well-fixed-total-knee-replacement-case-report
#5
F E García-Dobarganes Barlow, J Negrete-Corona, A A Díaz-Tovar
We present the case of a 94 years- old patient, which was operated 14 years ago of a right total knee replacement for osteoarthritis, actually she suffers of pain and instability; her X ray shown polyethylene wear without loosening of the metal components. The polyethylene insert is not manufactured anymore so we decided cement a new polyethylene insert on the native tibial baseplate. The two years follow up show us a patient asymptomatic, good function and no radiolucencies on the tibial component. We only found a similar case report in Madrid and we believed that this decision, taken from total hip revisions, will succeed...
September 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28448685/adult-neurobehavioral-alterations-in-male-and-female-mice-following-developmental-exposure-to-paracetamol-acetaminophen-characterization-of-a-critical-period
#6
Gaëtan Philippot, Torsten Gordh, Anders Fredriksson, Henrik Viberg
Paracetamol (acetaminophen) is a widely used non-prescription drug with analgesic and antipyretic properties. Among pregnant women and young children, paracetamol is one of the most frequently used drugs and is considered the first-choice treatment for pain and/or fever. Recent findings in both human and animal studies have shown associations between paracetamol intake during brain development and adverse behavioral outcomes later in life. The present study was undertaken to investigate if the induction of these effects depend on when the exposure occurs during a critical period of brain development and if male and female mice are equally affected...
April 27, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28448601/determinants-of-coronary-flow-reserve-in-non-diabetic-patients-with-chest-pain-without-myocardial-perfusion-defects
#7
Helena U Westergren, Erik Michaëlsson, Juuso I Blomster, Tasso Miliotis, Sara Svedlund, Li-Ming Gan
BACKGROUND: Microvascular dysfunction could be responsible for chest pain in patients without myocardial perfusion defects. We evaluated microvascular function using ultrasound-assessed coronary flow reserve (CFR) in patients with chest pain and normal myocardial perfusion scintigram. Secondly, we investigated association between cardiovascular parameters and decreased CFR in a sex specific manner. METHODS: A total of 202 (128 women) non-diabetic patients with chest pain and suspected myocardial ischemia, but without myocardial perfusion defects on myocardial perfusion scintigram, were enrolled and underwent CFR examination and blood sampling...
2017: PloS One
https://www.readbyqxmd.com/read/28448052/an-in-vitro-organ-culture-model-of-the-murine-intervertebral-disc
#8
Jennifer W Liu, Kevin H Lin, Christian Weber, Sameer Bhalla, Sean Kelso, Kaixi Wang, Simon Y Tang
Intervertebral disc (IVD) degeneration is a significant contributor to low back pain. The IVD is a fibrocartilaginous joint that serves to transmit and dampen loads in the spine. The IVD consists of a proteoglycan-rich nucleus pulposus (NP) and a collagen-rich annulus fibrosis (AF) sandwiched by cartilaginous end-plates. Together with the adjacent vertebrae, the vertebrae-IVD structure forms a functional spine unit (FSU). These microstructures contain unique cell types as well as unique extracellular matrices...
April 11, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28447919/postpartum-dyspareunia-and-sexual-functioning-a-prospective-cohort-study
#9
Liesbet Lagaert, Steven Weyers, Helena Van Kerrebroeck, Els Elaut
OBJECTIVES: Sexual functioning is an important concern for women in the postpartum period. The aim of this research was to investigate the prevalence and determinants of dyspareunia and sexual dysfunction before and after childbirth. METHODS: Between November 2013 and April 2014, 109 women in their third trimester of pregnancy were enrolled in a prospective cohort study at Ghent University Hospital. Dyspareunia, sexual functioning and quality of life (QOL) were evaluated at enrolment and again 6 weeks and 6 months postpartum...
April 27, 2017: European Journal of Contraception & Reproductive Health Care
https://www.readbyqxmd.com/read/28447789/exploring-the-role-of-n-6-substituents-in-potent-dual-acting-5-c-ethyl-tetrazolyl-adenosine-derivatives-synthesis-binding-functional-assays-and-antinociceptive-effects-in-mice
#10
Riccardo Petrelli, Mirko Scortichini, Sonja Kachler, Serena Boccella, Carmen Cerchia, Ilaria Torquati, Fabio Del Bello, Daniela Salvemini, Ettore Novellino, Livio Luongo, Sabatino Maione, Kenneth A Jacobson, Antonio Lavecchia, Karl-Norbert Klotz, Loredana Cappellacci
Structural determinants of affinity of N(6)-substituted-5'-C-(ethyl-tetrazol-2-yl)-adenosine and 2-chloro-adenosine derivatives at adenosine receptor (AR) subtypes were studied with binding and molecular modeling. Small N(6)-cycloalkyl and 3-halo-benzyl groups furnished potent dual acting A1AR agonists and A3AR antagonists. 4 was the most potent dual acting human (h) A1AR agonist (Ki = 0.45 nM) and A3AR antagonist (Ki = 0.31 nM) and highly selective versus A2A; 11 and 26 were most potent at both h and rat (r) A3AR...
April 27, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28447542/assessing-outcomes-of-educational-videos-in-group-visits-for-patients-with-chronic-pain-at-an-academic-primary-care-clinic
#11
Carrie Vogler, Stacy Sattovia, Laura Y Salazar, Tiffany I Leung, Albert Botchway
OBJECTIVES: This study evaluates the impact of pain education group visits on patients with chronic non-cancer pain (CNCP). The primary outcome of the study was to evaluate patients' functional status and secondary outcomes included knowledge, behavior, and satisfaction, before and after participation in the pain education group visits. METHODS: Locally produced patient educational videos on chronic non-cancer pain were delivered during patient group visits led by a healthcare provider...
April 27, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/28447501/imaging-acute-and-chronic-pain-in-the-human-brainstem-and-spinal-cord
#12
Luke A Henderson, Kevin A Keay
While acute pain serves as a protective mechanism designed to warn an individual of potential or actual damaging stimuli, chronic pain provides no benefit and is now considered a disease in its own right. Since the advent of human brain imaging techniques, many investigations that have explored the central representation of acute and chronic pain have focused on changes in higher order brain regions. In contrast, far fewer have explored brainstem and spinal cord function, mainly due to significant technical difficulties...
April 1, 2017: Neuroscientist: a Review Journal Bringing Neurobiology, Neurology and Psychiatry
https://www.readbyqxmd.com/read/28447445/myomectomy-technique-and-current-indications
#13
Hajanirina Rakotomahenina, José Rajaonarison, Lufee Wong, Jean-Luc Brun
BACKGROUND: Uterine fibroids are the commonest benign tumor of the female genital tract. They affect a significant proportion of reproductive aged women and may cause excessive menstrual bleeding, pelvic pain or pressure, and adversely affect reproductive outcomes. However, many women remain asymptomatic. Fibroids are the first indication for hysterectomy, but myomectomy is the most suitable surgical option for women who desire preservation of their fertility potential. Only a selected group of women of childbearing age will benefit from a myomectomy, as the consequences of myomectomy on reproductive function have remained controversial...
April 26, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28447124/history-of-clubfoot-treatment-part-i-from-manipulation-in-antiquity-to-splint-and-plaster-in-renaissance-before-tenotomy
#14
Philippe Hernigou, Maxime Huys, Jacques Pariat, Sibylle Jammal
Idiopathic clubfoot is one of the most common problems in paediatric orthopaedics. The treatment is controversial and continues to be one of the challenges in paediatric orthopaedics. The aim of this review is to assess the different methods of clubfoot treatment used over the years in light of the documentation present in the literature and art paintings from the antiquity to the end of the 19th century. The aim of this paper is to review all treatment methods of the clubfoot over the years that were proposed to provide patients a functional, pain-free, normal-looking foot, with good mobility, without calluses, and requiring no special shoes...
April 26, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28446950/analgesic-effect-of-17%C3%AE-estradiol-on-nucleus-paragigantocellularis-lateralis-of-male-rats-mediated-via-gabaa-receptors
#15
Roghaieh Khakpay, Maryam Azaddar, Fatemeh Khakpay, Homeira Hatami Nemati
INTRODUCTION: Beside its autonomic functions, the nucleus paragigantocellularis lateralis (LPGi) is involved in the descending pain modulation. 17β-Estradiol is a neuroactive steroid found in several brain areas such as LPGi. Intra-LPGi microinjection of 17β-estradiol can elicit the analgesic responses. 17β-Estradiol modulates nociception by binding to estrogenic receptors as well as allosteric interaction with other membrane-bound receptors like GABAA receptors. This study aimed to examine the role of GABAA receptors in the pain modulating effect of intra-LPGi injection of 17β-estradiol...
January 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28446942/cardiac-ct-improves-outcomes-in-stable-coronary-heart-disease-results-of-recent-clinical-trials
#16
REVIEW
Michelle C Williams, Alastair Moss, Edward Nicol, David E Newby
PURPOSE OF REVIEW: The purpose of this study was to review the recent randomised controlled trials of coronary computed tomography angiography (CCTA) for patients with stable coronary artery disease. RECENT FINDINGS: The initial results and subsequent papers from the SCOT-HEART (Scottish COmputed Tomography of the HEART) and PROMISE (PROspective Multicentre Imaging Study for Evaluation of chest pain) trials have shown that CCTA is a safe and appropriate addition to standard care or alternative to functional testing...
2017: Current Cardiovascular Imaging Reports
https://www.readbyqxmd.com/read/28446645/hypothalamus-as-a-mediator-of-chronic-migraine-evidence-from-high-resolution-fmri
#17
Laura H Schulte, Angie Allers, Arne May
OBJECTIVE: To identify pathophysiologic mechanisms of migraine chronification using a recently standardized protocol for high-resolution brainstem imaging of trigeminal nociceptive stimulation. METHODS: Eighteen episodic migraineurs (EMs), 17 chronic migraineurs (CMs), and 19 healthy controls (HCs) underwent painful ammonia stimulation of the left nostril in a 3T MRI scanner. Functional images were acquired with a brainstem-optimized protocol for high-resolution echo-planar imaging...
April 26, 2017: Neurology
https://www.readbyqxmd.com/read/28446550/national-institute-for-health-and-care-excellence-updates-the-stable-chest-pain-guideline-with-radical-changes-to-the-diagnostic-paradigm
#18
REVIEW
Adam Timmis, Carl A Roobottom
In the 2016 update of the stable chest pain guideline, the National Institute for Health and Care Excellence (NICE) has made radical changes to the diagnostic paradigm that it-like other international guidelines-had previously placed at the centre of its recommendations. No longer are quantitative assessments of the disease probability considered necessary to determine the need for diagnostic testing and the choice of test. Instead, the recommendation is for no diagnostic testing if chest pain is judged to be 'non-anginal' and CT coronary angiography (CTCA) in patients with 'typical' or 'atypical' chest pain with additional perfusion imaging only if there is uncertainty about the functional significance of coronary lesions...
April 26, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28446211/spontaneous-migraine-attack-causes-alterations-in-default-mode-network-connectivity-a-resting-state-fmri-case-report
#19
Andrea Edit Edes, Lajos Rudolf Kozak, Mate Magyar, Terezia Zsombok, Gyongyi Kokonyei, Gyorgy Bagdy, Gabriella Juhasz
BACKGROUND: Although migraine is one of the most investigated neurologic disorders, we do not have a perfect neuroimaging biomarker for its pathophysiology. One option to improve our knowledge is to study resting-state functional connectivity in and out of headache pain. However, our understanding of the functional connectivity changes during spontaneous migraine attack is partial and incomplete. CASE PRESENTATION: Using resting-state functional magnetic resonance imaging we assessed a 24-year old woman affected by migraine without aura at two different times: during a spontaneous migraine attack and in interictal phase...
April 26, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28446192/prospective-clinical-and-radiographic-evaluation-of-an-allogeneic-bone-matrix-containing-stem-cells-trinity-evolution%C3%A2-viable-cellular-bone-matrix-in-patients-undergoing-two-level-anterior-cervical-discectomy-and-fusion
#20
Timothy A Peppers, Dennis E Bullard, Jed S Vanichkachorn, Scott K Stanley, Paul M Arnold, Erik I Waldorff, Rebekah Hahn, Brent L Atkinson, James T Ryaby, Raymond J Linovitz
BACKGROUND: Trinity Evolution® (TE), a viable cellular bone allograft, previously demonstrated high fusion rates and no safety-related concerns after single-level anterior cervical discectomy and fusion (ACDF) procedures. This prospective multicenter clinical study was performed to assess the radiographic and clinical outcomes of TE in subjects undergoing two-level ACDF procedures. METHODS: In a prospective, multicenter study, 40 subjects that presented with symptomatic cervical degeneration at two adjacent vertebral levels underwent instrumented ACDF using TE autograft substitute in a polyetherethereketone (PEEK) cage...
April 26, 2017: Journal of Orthopaedic Surgery and Research
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