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https://www.readbyqxmd.com/read/28340289/remote-ischaemic-conditioning-decreases-blood-flow-and-improves-oxygen-extraction-in-patients-with-early-complex-regional-pain-syndrome
#1
T Hegelmaier, N Kumowski, T Mainka, J Vollert, O Goertz, M Lehnhardt, P K Zahn, C Maier, J Kolbenschlag
BACKGROUND: Remote ischaemic conditioning (RIC) is the cyclic application of non-damaging ischaemia leading to an increased tissue perfusion, among others triggered by NO (monoxide). Complex regional pain syndrome (CRPS) is known to have vascular alterations such as increased blood shunting and decreased NO blood-levels, which in turn lead to decreased tissue perfusion. We therefore hypothesized that RIC could improve tissue perfusion in CRPS. METHOD: In this proof-of-concept study, RIC was applied in the following groups: in 21 patients with early CRPS with a clinical history less than a year, in 20 age/sex-matched controls and in 12 patients with unilateral nerve lesions via a tourniquet on the unaffected/non-dominant upper limb...
March 24, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28340223/implantation-of-cardiac-resynchronization-therapy-devices-using-three-leads-by-cephalic-vein-dissection-approach
#2
Alexios Hadjis, Riccardo Proietti, Vidal Essebag
Aims: Percutaneous subclavian, axillary, and cephalic vein access are all used in conjunction for atrial and ventricular lead implantation, though no standard approach for cardiac resynchronization therapy (CRT) device implantation has been established. We describe an effective and a safe technique for implanting three leads via cephalic vein for CRT pacemaker and/or defibrillator implantations. Methods and results: A total of 171 consecutive patients undergoing de novo implantation of CRT pacemaker or defibrillator were included...
March 17, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28340218/user-centered-design-of-discharge-warnings-tool-for-colorectal-surgery-patients
#3
Aanand D Naik, Molly J Horstman, Linda T Li, Michael K Paasche-Orlow, Bryan Campbell, Whitney L Mills, Levi I Herman, Daniel A Anaya, Barbara W Trautner, David H Berger
Objectives: Readmission following colorectal surgery, typically due to surgery-related complications, is common. Patient-centered discharge warnings may guide recognition of early complication signs after colorectal surgery. Materials and Methods: User-centered design of a discharge warnings tool consisted of iterative health literacy review and a heuristic evaluation with human factors and clinical experts as well as patient end users to establish content validity and usability...
March 16, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28340189/the-relationship-between-pain-severity-and-alcohol-use-among-school-aged-children-and-adolescents-the-moderating-role-of-drinking-motives
#4
Claudia Horn-Hofmann, Zina Trost, Anne Hublet, Sylvie Mrug, Joris Van Damme, Tine Vervoort
Objective. : Evidence from adult samples suggests a co-occurrence between pain and alcohol abuse. However, studies in adolescents are scarce and results are inconsistent, with some studies observing heightened and others observing reduced alcohol consumption in adolescents suffering from pain. We hypothesized that in adolescents the association between pain and alcohol use will be moderated by drinking motives. Methods. : Data from a large representative sample of Flemish school children and adolescents (N = 10,650, 50...
March 15, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28340177/the-significance-of-internode-length-for-saltatory-conduction-looking-back-at-the-age-of-90
#5
Reinhard L Friede
The development of peripheral nerve fibers involves interdependence between the timing of Schwann cell recruitment during myelination and elongation of the nerve. This adjusts the number and the length of internodes to the length of the fiber. Saltatory conduction in longer nerves involves longer saltations; this makes internode length the factor that determines conduction velocity, thereby adjusting impulse transmission in circuits of different lengths. Myelination increases conduction velocity by means of saltatory conduction but what determines the saltatory conduction is not so much the indispensable insulating adjunct of myelin as the length of the internodes that separate the excitable membrane segments...
March 14, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28340111/assessment-of-patient-reported-outcome-instruments-to-assess-chronic-low-back-pain
#6
Abhilasha Ramasamy, Mona L Martin, Steven I Blum, Hiltrud Liedgens, Charles Argoff, Rainer Freynhagen, Mark Wallace, Kelly P McCarrier, Donald M Bushnell, Noël V Hatley, Donald L Patrick
Objective. : To identify patient-reported outcome (PRO) instruments that assess chronic low back pain (cLBP) symptoms (specifically pain qualities) and/or impacts for potential use in cLBP clinical trials to demonstrate treatment benefit and support labeling claims. Design. : Literature review of existing PRO measures. Methods. : Publications detailing existing PRO measures for cLBP were identified, reviewed, and summarized. As recommended by the US Food & Drug Administration (FDA) PRO development guidance, standard measurement characteristics were reviewed, including development history, psychometric properties (validity and reliability), ability to detect change, and interpretation of observed changes...
March 6, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28340041/bleeding-complications-in-patients-undergoing-intrathecal-drug-delivery-system-implantation
#7
Nafisseh S Warner, Markus A Bendel, Matthew A Warner, Jacob J Strand, Halena M Gazelka, Bryan C Hoelzer, William D Mauck, Tim J Lamer, Daryl J Kor, Susan M Moeschler
Introduction.:  Intrathecal drug delivery systems (IDDSs) have dramatically improved analgesia and the functional status of cancer patients and those with chronic pain states. However, given the close proximity to the neuraxis and frequent concomitant use of antiplatelet or anticoagulant medications, this intervention is not without risk. The goal of this investigation was to determine the incidence of bleeding complications following IDDS placement. Methods.:  This is a retrospective review from 2005 through 2014 of adult patients undergoing IDDS implantation or revision at a tertiary care center...
March 3, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28339945/single-site-ventricular-pacing-via-the-coronary-sinus-in-patients-with-tricuspid-valve-disease
#8
Amit Noheria, Martin van Zyl, Luis R Scott, Komandoor Srivathsan, Malini Madhavan, Samuel J Asirvatham, Christopher J McLeod
Aims: To evaluate coronary sinus single-site (CSSS) left ventricular pacing in adult patients with normal left ventricular ejection fraction (LVEF) when traditional right ventricular lead implantation is not feasible or is contraindicated. Methods and results: We performed a retrospective analysis of 23 patients with tricuspid valve surgery/disease who received a CSSS ventricular pacing lead to avoid crossing the tricuspid valve. Two matched control populations were obtained from patients receiving (i) conventional right ventricular single-site (RVSS) leads and (ii) coronary sinus leads for cardiac resynchronization therapy (CSCRT)...
March 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339721/analysis-of-professional-competencies-for-the-clinical-research-data-management-profession-implications-for-training-and-professional-certification
#9
Meredith N Zozus, Angel Lazarov, Leigh R Smith, Tim E Breen, Susan L Krikorian, Patrick S Zbyszewski, Shelly K Knoll, Debra A Jendrasek, Derek C Perrin, Demetris N Zambas, Tremaine B Williams, Carl F Pieper
Objective: : To assess and refine competencies for the clinical research data management profession. Materials and Methods: : Based on prior work developing and maintaining a practice standard and professional certification exam, a survey was administered to a captive group of clinical research data managers to assess professional competencies, types of data managed, types of studies supported, and necessary foundational knowledge. Results: : Respondents confirmed a set of 91 professional competencies...
February 16, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28339700/a-clinical-perspective-on-the-2016-who-brain-tumor-classification-and-routine-molecular-diagnostics
#10
Martin J van den Bent, Michael Weller, Patrick Y Wen, Johan M Kros, Ken Aldape, Susan Chang
The 2007 World Health Organization (WHO) classification of brain tumors did not use molecular abnormalities as diagnostic criteria. Studies have shown that genotyping allows a better prognostic classification of diffuse glioma with improved treatment selection. This has resulted in a major revision of the WHO classification, which is now for adult diffuse glioma centered around isocitrate dehydrogenase (IDH) and 1p/19q diagnostics. This revised classification is reviewed with a focus on adult brain tumors, and includes a recommendation of genes of which routine testing is clinically useful...
February 21, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28339677/development-of-a-food-allergy-knowledge-test-for-parents
#11
Amy L Hahn, Lynnda M Dahlquist, Jessica L Hoehn, Mary Elizabeth Bollinger
Objective : To create a measure of food allergy (FA) knowledge for parents of children with FA. The food allergy knowledge test (FAKT) was developed following rigorous test-construction guidelines. The preliminary 110-item pool content was developed in consultation with FA experts. After cognitive interviews and revisions, an 88-item preliminary version was administered to 370 parents of children with FA who were recruited online and from an allergy clinic. After item difficulty, discrimination, item-scale correlations analyses, and assessment of internal consistency, a revised 57-item version was administered to a new clinic-based sample (77 parents)...
February 19, 2017: Journal of Pediatric Psychology
https://www.readbyqxmd.com/read/28339555/an-item-bank-for-abuse-of-prescription-pain-medication-from-the-patient-reported-outcomes-measurement-information-system-promis%C3%A2
#12
Paul A Pilkonis, Lan Yu, Nathan E Dodds, Kelly L Johnston, Suzanne M Lawrence, Thomas F Hilton, Dennis C Daley, Ashwin A Patkar, Dennis McCarty
Objective.:  There is a need to monitor patients receiving prescription opioids to detect possible signs of abuse. To address this need, we developed and calibrated an item bank for severity of abuse of prescription pain medication as part of the Patient-Reported Outcomes Measurement Information System (PROMIS ® ). Methods.:  Comprehensive literature searches yielded an initial bank of 5,310 items relevant to substance use and abuse, including abuse of prescription pain medication, from over 80 unique instruments...
October 8, 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28339315/identification-of-asymptomatic-prosthetic-joint-infection-microbiologic-and-operative-treatment-outcomes
#13
Przemysław L Bereza, Alicja Ekiel, Aleksandra Auguściak-Duma, Małgorzata Aptekorz, Iwona Wilk, Piotr Wojciechowski, Damian J Kusz, Gayane Martirosian
BACKGROUND: This prospective study investigated the role of mechanical and biological factors in aseptic implant loosening or presumed silent prosthetic joint infection (PJI). METHODS: Thirty-seven patients were investigated. Microbiologic and molecular methods were used to detect bacteria on the surface of the failed implants removed during revision arthroplasty. Histopathologic analysis was performed. The influence of body mass index (BMI) and various co-morbidities on implant failure also was determined...
March 24, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28339201/high-throughput-in-silico-structure-validation-and-revision-of-halogenated-natural-products-is-enabled-by-parametric-corrections-to-dft-computed-13-c-nmr-chemical-shifts-and-spin-spin-coupling-constants
#14
Andrei G Kutateladze, D Sai Reddy
Halogenated natural products constitute diverse and promising feedstock for molecular pharmaceuticals. However, their solution-structure elucidation by NMR presents several challenges, including the lack of fast methods to compute (13)C chemical shifts for carbons bearing heavy atoms. We show that parametric corrections to DFT-computed chemical shifts in conjunction with rff-computed spin-spin coupling constants allow for fast and reliable screening of a large number of reported halogenated natural products, resulting in expedient structure validation or revision...
March 24, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28334724/incidence-of-multiple-sclerosis-in-puerto-rico-2014-a-population-based-study
#15
Angel Chinea, Carlos F Ríos-Bedoya, Cristina Rubi, Ivonne Vicente, Eduardo R Estades, Yatzka G Hernandez-Silvestrini
BACKGROUND: Multiple sclerosis (MS) affects millions of people worldwide. The estimates for MS incidence are difficult to obtain but are important for understanding MS etiology, developing prevention strategies, and service planning. This study is aimed at estimating the 2014 incidence of MS in Puerto Rico (PR). METHODS: The PR MS Foundation's registry was used as the data source. Neurologists, specialty pharmacies, MRI centers, health insurance companies, and the PR Department of Health identified MS cases missed by the registry...
March 24, 2017: Neuroepidemiology
https://www.readbyqxmd.com/read/28334622/improving-survival-prognostication-of-gastroenteropancreatic-neuroendocrine-neoplasms-revised-staging-criteria
#16
Jacob A Martin, Richard R P Warner, Juan P Wisnivesky, Michelle Kang Kim
PURPOSE: Current staging criteria for gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs), while useful, have limitations. In this study, we used a population-based registry to evaluate the prognostic utility of the current staging systems and assess whether evidence-based modifications can improve survival predictions. METHODS: We identified patients with confirmed GEP-NENs from the Surveillance, Epidemiology and End Results registry. We assigned tumour-node-metastasis status according to American Joint Committee on Cancer and European Neuroendocrine Tumor Society criteria...
March 20, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28334584/delayed-workup-of-rectal-bleeding-in-adult-primary-care-examining-process-of-care-failures
#17
Saul N Weingart, Elena M Stoffel, Daniel C Chung, Thomas D Sequist, Ruth I Lederman, Stephen R Pelletier, Helen M Shields
BACKGROUND: Although delayed colorectal cancer diagnoses figure prominently in medical malpractice claims, little is known about the quality of primary care clinicians' workup of rectal bleeding. METHODS: In this study, 438 patients were identified using International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes for rectal bleeding, hemorrhoids, and blood in the stool at 10 Boston adult primary care practices. Following nurse chart abstraction, physician reviewers assessed the overall quality of care and key care processes...
January 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28334382/concussion-like-symptom-reporting-in-non-concussed-collegiate-athletes
#18
Breton M Asken, Aliyah R Snyder, James R Clugston, Leslie S Gaynor, Molly J Sullan, Russell M Bauer
Objective: Non-concussed individuals may report a variety of concussion-like symptoms even in the absence of a diagnosed brain injury. Previous studies described concussion-like symptom reporting in adolescent athletes. This study provides complementary data on concussion-like symptoms in collegiate athletes. Methods: We analyzed baseline symptom scales from 738 collegiate athletes (452 men and 286 women) who completed either the Sport Concussion Assessment Tool, 3 Symptom Evaluation (S3SE; n = 377) or the Post-Concussion Scale (PCS; n = 361) and determined if subjects met criteria for diagnosis of International Classification of Diseases 10th Revision (ICD-10) postconcussional syndrome...
March 10, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28334371/comparative-study-of-functional-nasal-reconstruction-using-structural-reinforcement
#19
Waleed H Ezzat, Sara W Liu
Importance: Nasal reconstruction after Mohs surgery is a unique challenge in that it must satisfy both functional and aesthetic goals. Despite some advocacy in the literature for using structural reinforcement to achieve both functional and aesthetic outcomes in soft-tissue reconstruction, no study has validated this claim by comparing reconstruction with and without structural support. Objective: To evaluate the effectiveness of and need for structural reinforcement when reconstructing the nasal alar and sidewall subunits...
March 23, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28333849/autism-spectrum-disorder-in-males-with-sex-chromosome-aneuploidy-xxy-klinefelter-syndrome-xyy-and-xxyy
#20
Nicole R Tartaglia, Rebecca Wilson, Judith S Miller, Jessica Rafalko, Lisa Cordeiro, Shanlee Davis, David Hessl, Judith Ross
OBJECTIVE: Neurodevelopmental concerns in males with sex chromosome aneuploidy (SCA) (XXY/Klinefelter syndrome, XYY, XXYY) include symptoms seen in autism spectrum disorder (ASD), such as language impairments and social difficulties. We aimed to: (1) evaluate ASD characteristics in research cohorts of SCA males under DSM-IV compared to DSM-5 criteria, and (2) analyze factors associated with ASD diagnoses in SCA. METHODS: Evaluation of participants with XXY/KS (n=20), XYY (n=57) and XXYY (n=21) included medical history, cognitive/adaptive testing, Social Communication Questionnaire, Social Responsiveness Scale, Autism Diagnostic Observation Schedule, Autism Diagnostic Interview-Revised, and DSM ASD criteria...
March 21, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
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