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https://www.readbyqxmd.com/read/29452421/the-short-cosyntropintest-revisited-new-normal-reference-range-using-lcmsms
#1
Grethe Å Ueland, Paal Methlie, Marianne Øksnes, Hrafnkell B Thordarson, Jørn Sagen, Ralf Kellmann, Gunnar Mellgren, Maria Ræder, Per Dahlqvist, Sandra R Dahl, Per M Thorsby, Kristian Løvås, Eystein S Husebye
Background: The cosyntropin test is used to diagnose adrenal insufficiency (AI) and non-classical congenital adrenal hyperplasia (NCCAH). Current cutoffs for cortisol and 17-hydroxyprogesterone (17-OHP) are derived from non-standardized immunoassays. Liquid chromatography tandem mass spectrometry (LCMSMS) offers direct measurement of steroids, prompting the need to re-establish normal ranges. Aim: Define cutoff values for cortisol and 17-OHP in serum by LCMSMS 30 and 60 minutes after intravenous administration of 250 µg tetracosactide acetate (Synachten©) to healthy volunteers, and compare LCMSMS with routine immunoassays...
February 14, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29452300/therapeutic-strategy-for-rheumatoid-arthritis-patients-who-have-achieved-remission
#2
Bruno Fautrel
Once remission or low disease activity (LDA) is attained in established rheumatoid arthritis (RA) patients, attempting disease-modifying anti-rheumatic drug (DMARD) tapering appears to be a viable option to avoid patient overtreatment. Potential benefits include reduction in the treatment burden and the risk of adverse events, although the latter has not been demonstrated convincingly.The feasibility of DMARD discontinuation has been tested in numerous studies or trials. All have revealed a high risk of relapse, ranging from 56% to 87% at one year...
February 13, 2018: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/29452258/recent-findings-related-to-immune-responses-against-leptospirosis-and-novel-strategies-to-prevent-infection
#3
Frédérique Vernel-Pauillac, Catherine Werts
What are the new approaches and emerging ideas to prevent leptospirosis, a neglected bacterial re-emerging zoonotic disease? How do Leptospira interrogans escape the host defenses? We aim here to review and discuss the most recent literature that provides some answers to these questions, in particular data related to a better understanding of adaptive and innate immunity towards leptospires, and design of vaccines. This is an opinion paper, not a comprehensive review. We will try to highlight the new strategies and technologies boosting the search for drugs and vaccines...
February 13, 2018: Microbes and Infection
https://www.readbyqxmd.com/read/29452118/long-term-outcome-of-interrupted-arch-repair-with-direct-anastomosis-and-homograft-augmentation-patch
#4
Mohammed Mohsin Uzzaman, Natasha E Khan, Ben Davies, John Stickley, Timothy J Jones, William J Brawn, David J Barron
BACKGROUND: We analysed outcomes of IAA repair using a standardised technique in order to interpret the role of the arch repair on late outcomes in this complex and heterogeneous group. METHODS: Single institution study from 1988-2015. 120 cases of IAA were divided into four groups: IAA with VSD (iVSD, n=38), IAA with Norwood/DKS (iNor, n=41), IAA with Truncus (iTruncus, n=24) and miscellaneous group (iMisc, n=17). Arch repair performed using a standard technique of direct anastomosis with homograft patch augmentation...
February 13, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29451832/circulating-progenitor-cells-and-their-interaction-with-platelets-in-patients-with-an-acute-coronary-syndrome
#5
Prokopia T Tatsidou, Vasileios G Chantzichristos, Maria E Tsoumani, Sofia Sidiropoulou, Ioannis V Ntalas, John A Goudevenos, Konstantinos Stellos, Alexandros D Tselepis
CD34 + cells expressing KDR (CD34 + /KDR + ) represent a small proportion of circulating progenitor cells that have the capacity to interact with platelets and to differentiate into mature endothelial cells, thus contributing to vascular homeostasis and regeneration as well as to re-endothelialization. We investigated the levels of CD34 + and CD34 + /KDR + progenitor cells as well as their interaction with platelets in acute coronary syndrome (ACS) patients before the initiation (baseline) of their treatment with a P2Y 12 receptor antagonist, and at 5-days post-treatment (follow-up)...
February 16, 2018: Platelets
https://www.readbyqxmd.com/read/29451204/conundrums-and-confusions-regarding-how-polyethylene-glycol-fusion-produces-excellent-behavioral-recovery-after-peripheral-nerve-injuries
#6
REVIEW
George D Bittner, Dale R Sengelaub, Cameron L Ghergherehchi
Current Neuroscience dogma holds that transections or ablations of a segment of peripheral nerves produce: (1) Immediate loss of axonal continuity, sensory signaling, and motor control; (2) Wallerian rapid (1-3 days) degeneration of severed distal axons, muscle atrophy, and poor behavioral recovery after many months (if ever, after ablations) by slowly-regenerating (1 mm/d), proximal-stump outgrowths that must specifically reinnervate denervated targets; (3) Poor acceptance of microsutured nerve allografts, even if tissue-matched and immune-suppressed...
January 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29451077/intravitreal-aflibercept-versus-ranibizumab-for-wet-age-related-macular-degeneration-a-cost-effectiveness-analysis
#7
Luis Hernandez, Tereza Lanitis, Clifford Cele, Hector Toro-Diaz, Andrea Gibson, Andreas Kuznik
BACKGROUND: Age-related macular degeneration (AMD) is the leading cause of vision loss in the United States. The most severe vision loss occurs in patients with neovascular AMD, known as wet AMD (wAMD). The most commonly used antivascular endothelial growth factor (VEGF) therapies approved by the FDA to treat patients with wAMD are ranibizumab, 0.5 mg administered by intravitreal injection once a month (approximately every 28 days), and intravitreal aflibercept injection (IAI), 2 mg every 4 weeks (monthly) for the first 12 weeks (3 months), followed by IAI 2 mg once every 8 weeks (2 months)...
February 16, 2018: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/29451075/short-term-outcomes-of-preoperative-intra-aortic-balloon-pump-use-in-patients-undergoing-adjunctive-coronary-endarterectomy-a-retrospective-observational-study
#8
Liangshan Wang, Xing Hao, Xiaomeng Wang, Chengxiong Gu, Hong Wang, Xiaotong Hou
BACKGROUND: Coronary artery bypass grafting (CABG) combined with coronary endarterectomy (CE) can be associated with high operative mortality and morbidity. An intra-aortic balloon pump (IABP) has been the most widely used mechanical circulatory support device during perfusion treatment. However, the benefits of preoperative IABP in CABG combined with CE remain unknown. We conducted a retrospective observational study to evaluate the efficacy of preoperative IABP therapy in patients undergoing adjunctive right coronary artery (RCA) endarterectomy...
February 1, 2018: Perfusion
https://www.readbyqxmd.com/read/29451057/comparison-between-modified-dunn-procedure-and-in-situ-fixation-for-severe-stable-slipped-capital-femoral-epiphysis
#9
Giovanni Trisolino, Stefano Stilli, Giovanni Gallone, Pedro Santos Leite, Giovanni Pignatti
Background and purpose - The best treatment option for severe slipped capital femoral epiphysis (SCFE) is still controversial. We compared clinical and radiographic outcomes of modified Dunn procedure (D) and in situ fixation (S) in severe SCFE. Patients and methods - We retrospectively compared D and S, used for severe stable SCFE (posterior sloping angle (PSA) > 50°) in 29 patients (15 D; 14 S). Propensity analysis and inverse probability of treatment weights (IPTW) to adjust for baseline differences were performed...
February 16, 2018: Acta Orthopaedica
https://www.readbyqxmd.com/read/29451005/hiv-infection-and-risk-of-postpartum-infection-complications-and-mortality-in-rural-uganda
#10
Lisa M Bebell, Joseph Ngonzi, Mark J Siedner, Winnie R Muyindike, Bosco M Bwana, Laura E Riley, Yap Boum, David R Bangsberg, Ingrid V Bassett
HIV infection may increase risk of postpartum infection and infection-related mortality. We hypothesized that postpartum infection incidence and attributable mortality in Mbarara, Uganda would be higher in HIV-infected than HIV-uninfected women. We performed a prospective cohort study of 4231 women presenting to a regional referral hospital in 2015 for delivery or postpartum care. All febrile or hypothermic women, and a subset of randomly selected normothermic women were followed during hospitalization and with 6-week postpartum phone interviews...
February 16, 2018: AIDS Care
https://www.readbyqxmd.com/read/29450872/-turkish-validity-and-reliability-study-of-fear-of-pain-questionnaire-iii
#11
Seher Ünver, Fatma Nesrin Turan
OBJECTIVES: This study aimed to develop a Turkish version of the Fear of Pain Questionnaire-III developed by McNeil and Rainwater (1998) and examine its validity and reliability indicators. METHODS: The study was conducted with 459 university students studying in the nursing department. The Turkish translation of the scale was conducted by language experts and the original scale owner. Expert opinions were taken for language validity, and the Lawshe's content validity ratio formula was used to calculate the content validity...
January 2018: Aǧrı: Ağrı (Algoloji) Derneği'nin Yayın Organıdır, the Journal of the Turkish Society of Algology
https://www.readbyqxmd.com/read/29450857/hypokalemia-associated-with-pseudo-cushing-s-syndrome-and-magnesium-deficiency-induced-by-chronic-alcohol-abuse
#12
Masafumi Kurajoh, Keiko Ohsugi, Miki Kakutani-Hatayama, Takuhito Shoji, Hidenori Koyama
Hypokalemia and hypomagnesemia are frequently observed in patients with chronic alcoholism. However, the involvement of deranged cortisol regulation in patients with those conditions has not been reported. A 63-year-old Japanese male with chronic alcoholism was referred to the Department of Diabetes, Endocrinology and Metabolism for examination and treatment of hypokalemic periodic paralysis. Laboratory findings showed hypokalemia (2.3 mmol/l), as well as a high level of urinary excretion of potassium and hypomagnesemia (1...
February 15, 2018: CEN Case Reports
https://www.readbyqxmd.com/read/29450832/perceptual-modification-of-the-built-environment-to-influence-behavior-associated-with-physical-activity-quasi-experimental-field-studies-of-a-stair-banister-illusion
#13
Rich Masters, Catherine Capio, Jamie Poolton, Liis Uiga
BACKGROUND: Re-engineering the built environment to influence behaviors associated with physical activity potentially provides an opportunity to promote healthier lifestyles at a population level. Here we present evidence from two quasi-experimental field studies in which we tested a novel, yet deceptively simple, intervention designed to alter perception of, and walking behavior associated with, stairs in an urban area. OBJECTIVES: Our objectives were to examine whether adjusting a stair banister has an influence on perceptions of stair steepness or on walking behavior when approaching the stairs...
February 15, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29450825/unplanned-robotic-assisted-conversion-to-open-colorectal-surgery-is-associated-with-adverse-outcomes
#14
Yongjin F Lee, Jeremy Albright, Warqaa M Akram, Juan Wu, Jane Ferraro, Robert K Cleary
BACKGROUND: Laparoscopic conversion-to-open colorectal surgery is associated with worse outcomes when compared to operations completed without conversion. Consequences of robotic conversion have not yet been determined. The purpose of this study is to compare short-term outcomes of converted robotic colorectal cases with those that are completed without conversion, as well as with cases done by the open approach. METHODS: The ACS-NSQIP database was queried for patients who underwent robotic completed, robotic converted-to-open, and open colorectal resection between 2012 and 2015...
February 15, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29450739/influence-of-operator-skill-level-on-the-clinical-outcome-of-non-surgical-periodontal-treatment-a-retrospective-study
#15
Avital Kozlovsky, Alex Rapaport, Zvi Artzi
OBJECTIVES: The aim of this study is to evaluate the effect of operators experience and skill on treatment results of initial non-surgical periodontal therapy. MATERIALS AND METHODS: Initial periodontal treatment was carried out by either second-year periodontal residents (PR) or last year dental students (DS). From the treatment records of patients in each group, plaque and bleeding indices, and pocket depth (PD) at baseline and at re-evaluation were collected retrospectively on each tooth at six locations...
February 15, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29450734/two-hour-post-challenge-glucose-is-a-better-predictor-of-adverse-outcome-after-myocardial-infarction-than-fasting-or-admission-glucose-in-patients-without-diabetes
#16
Sudipta Chattopadhyay, Anish George, Joseph John, Thozukat Sathyapalan
AIMS: We evaluate prevalence of new abnormal glucose tolerance (AGT) in post-MI survivors without known diabetes (DM) if guidelines are followed and compare the ability of admission (APG), fasting (FPG) and 2-h post-load plasma glucose (2h-PG) to predict prognosis. METHODS: A total of 674 patients were followed up for 4 years for incidence of major adverse cardiovascular events (MACE) of cardiovascular death, non-fatal re-infarction or non-haemorrhagic stroke. Ability of models including APG, FPG and 2h-PG to predict MACE was compared...
February 15, 2018: Acta Diabetologica
https://www.readbyqxmd.com/read/29450727/metabolic-implications-of-hypoxia-and-pseudohypoxia-in-pheochromocytoma-and-paraganglioma
#17
REVIEW
Katarina Kluckova, Daniel A Tennant
Hypoxia is a critical driver of cancer pathogenesis, directly inducing malignant phenotypes such as epithelial-mesenchymal transition, stem cell-like characteristics and metabolic transformation. However, hypoxia-associated phenotypes are often observed in cancer in the absence of hypoxia, a phenotype known as pseudohypoxia, which is very well documented in specific tumour types, including in paraganglioma/pheochromocytoma (PPGL). Approximately 40% of the PPGL tumours carry a germ line mutation in one of a number of susceptibility genes of which those that are found in succinate dehydrogenase (SDH) or in von Hippel-Lindau (VHL) genes manifest a strong pseudohypoxic phenotype...
February 15, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29450413/polyelectrolyte-scaling-laws-for-microgel-yielding-near-jamming
#18
Tapomoy Bhattacharjee, Christopher P Kabb, Christopher S O'Bryan, Juan M Urueña, Brent S Sumerlin, W Gregory Sawyer, Thomas E Angelini
Micro-scale hydrogel particles, known as microgels, are used in industry to control the rheology of numerous different products, and are also used in experimental research to study the origins of jamming and glassy behavior in soft-sphere model systems. At the macro-scale, the rheological behaviour of densely packed microgels has been thoroughly characterized; at the particle-scale, careful investigations of jamming, yielding, and glassy-dynamics have been performed through experiment, theory, and simulation...
February 16, 2018: Soft Matter
https://www.readbyqxmd.com/read/29450387/orbital-cellulitis-and-brain-abscess-rare-complications-of-maxillo-spheno-ethmoidal-rhinosinusitis
#19
Farah Constantin, Patricia-Alexandra Niculescu, Oana Petre, Daniel Balasa, Alexandru Tunas, Ioana Rusu, Mihai Lupascu, Cristiana Orodel
Sinus infections can be complicated by ocular infections and, in late phases, by brain parenchyma infection. The article debates the case of a 12-year-old patient suffering from paucisymptomatic maxillo-spheno-ethmoidal rhinosinusitis, which was later complicated by orbital cellulitis, ending with the development of a brain abscess. The treatment is complex, initially targeting the source of the infection through draining the collection by middle maxillary antrostomy and anterior posterior ethmoidectomy, then the ablation of the brain abscess and postoperatively with prolonged massive antibiotherapy...
April 2017: Romanian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29450256/creation-and-validation-of-the-barriers-to-alcohol-reduction-bar-scale-using-classical-test-theory-and-item-response-theory
#20
Zachary J Kunicki, Melissa R Schick, Nichea S Spillane, Lisa L Harlow
Those who binge drink are at increased risk for alcohol-related consequences when compared to non-binge drinkers. Research shows individuals may face barriers to reducing their drinking behavior, but few measures exist to assess these barriers. This study created and validated the Barriers to Alcohol Reduction (BAR) scale. Participants were college students ( n = 230) who endorsed at least one instance of past-month binge drinking (4+ drinks for women or 5+ drinks for men). Using classical test theory, exploratory structural equation modeling found a two-factor structure of personal/psychosocial barriers and perceived program barriers...
June 2018: Addictive Behaviors Reports
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