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https://www.readbyqxmd.com/read/28424055/how-participation-in-surgical-mortality-audit-impacts-surgical-practice
#1
Chi-Wai Lui, Frances M Boyle, Arkadiusz Peter Wysocki, Peter Baker, Alisha D'Souza, Sonya Faint, Therese Rey-Conde, John B North
BACKGROUND: Surgical mortality audit is an important tool for quality assurance and professional development but little is known about the impact of such activity on professional practice at the individual surgeon level. This paper reports the findings of a survey conducted with a self-selected cohort of surgeons in Queensland, Australia, on their experience of participating in the audit and its impact on their professional practice, as well as implications for hospital systems. METHODS: The study used a descriptive cross-sectional survey design...
April 19, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28419718/shifting-microbial-communities-sustain-multiyear-iron-reduction-and-methanogenesis-in-ferruginous-sediment-incubations
#2
M S Bray, J Wu, B C Reed, C B Kretz, K M Belli, R L Simister, C Henny, F J Stewart, T J DiChristina, J A Brandes, D A Fowle, S A Crowe, J B Glass
Reactive Fe(III) minerals can influence methane (CH4 ) emissions by inhibiting microbial methanogenesis or by stimulating anaerobic CH4 oxidation. The balance between Fe(III) reduction, methanogenesis, and CH4 oxidation in ferruginous Archean and Paleoproterozoic oceans would have controlled CH4 fluxes to the atmosphere, thereby regulating the capacity for CH4 to warm the early Earth under the Faint Young Sun. We studied CH4 and Fe cycling in anoxic incubations of ferruginous sediment from the ancient ocean analogue Lake Matano, Indonesia, over three successive transfers (500 days in total)...
April 17, 2017: Geobiology
https://www.readbyqxmd.com/read/28415057/-de-novo-cavernous-angioma-secondary-to-a-developmental-venous-anomaly-a-case-report-and-review-of-the-literature
#3
Yohtaro Sakakibara, Yoshio Taguchi, Homare Nakamura, Hidetaka Onodera, Masashi Uchida, Kimiyuki Kawaguchi, Yoshio Aida
OBJECTIVE: Previously, cavernous angiomas(CAs)have been thought to be only congenital in origin. Recently, however, a few cases of de novo CAs have been reported in the literature. We present a case of a de novo CA and discuss the etiology of the newly appeared CA. CASE REPORT: A 29-year-old man was presented to a local clinic because of hypersomnia. MRI demonstrated a heterogeneous mass peripherally located, which was in contact with a developmental venous anomaly(DVA)at the left thalamus...
April 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28405995/recurrent-ventricular-tachycardia-due-to-long-qt-syndrome
#4
Rambabu Singh, Kshitiz Nath, Archana
Long QT syndrome (LQTS) is a rare inherited heart condition in which delayed repolarization of the heart following a heartbeat, increases the risk of episodes of Torsades de pointes (TdP, a form of irregular heartbeat that originates from the ventricles). These episodes may lead to palpitations, fainting, and sudden death due to ventricular fibrillation. Episodes may be provoked by various stimuli, depending on the subtype of the condition. We are reporting a case of 37 years old male whom we diagnosed to have long QT syndrome on the basis of clinical and ECG findings...
December 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28398195/mass-fainting-in-garment-factories-in-cambodia
#5
Maurice Eisenbruch
This paper reports an ethnographic study of mass fainting among garment factory workers in Cambodia. Research was undertaken in 2010-2015 in 48 factories in Phnom Penh and 8 provinces. Data were collected in Khmer using nonprobability sampling. In participant observation with monks, factory managers, health workers, and affected women, cultural understandings were explored. One or more episodes of mass fainting occurred at 34 factories, of which 9 were triggered by spirit possession. Informants viewed the causes in the domains of ill-health/toxins and supernatural activities...
April 2017: Transcultural Psychiatry
https://www.readbyqxmd.com/read/28397266/utopian-vision-a-grand-solution-for-a-scholarly-dilemma
#6
Roderick J Watts
Reconciling the Zen-like paradox on the back of every red penny-"out of many, one"-is not for the faint of heart. It is a diversity motto, and a lofty desire that the United States claims to covet. But can its citizens, undocumented or otherwise, even agree on what it is? Is not the desire to maintain a strong sense of community in conflict with a Noah's Ark conception of diversity? Using my personal experience in an intentional community determined to foster racial integration, I explore the complicated possibility of having it both ways...
April 11, 2017: American Journal of Community Psychology
https://www.readbyqxmd.com/read/28395049/recurrent-syncope-in-the-emergency-department-a-lethal-cause-not-for-the-faint-hearted
#7
Derek S Chew, Saman Rezazadeh, Robert J Miller
No abstract text is available yet for this article.
April 10, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28394837/18f-fluorocholine-18f-fdg-and-18f-fluoroethyl-tyrosine-pet-ct-in-parathyroid-cancer
#8
Margit Hatzl, Julia C Röper-Kelmayr, Franz A Fellner, Michael Gabriel
We report on a 71-year-old woman presenting with biochemical features indicating recurrent disease in long-term follow-up of left-sided parathyroid carcinoma. She had undergone several surgical procedures including total thyroidectomy, partial resection of the esophageal wall, and curative neck radiation 12 years previously. PET/CT using F-fluorocholine revealed high uptake in local relapse in the lower neck, comparable to F-FDG, whereas only faint uptake was observed with F-fluoroethyl tyrosine. As shown in this case, imaging with FDG and F-fluorocholine is feasible in (recurrent) parathyroid carcinoma and clearly superior to F-fluoroethyl tyrosine...
April 7, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28394158/long-term-memory-biases-auditory-spatial-attention
#9
Jacqueline F Zimmermann, Morris Moscovitch, Claude Alain
Long-term memory (LTM) has been shown to bias attention to a previously learned visual target location. Here, we examined whether memory-predicted spatial location can facilitate the detection of a faint pure tone target embedded in real world audio clips (e.g., soundtrack of a restaurant). During an initial familiarization task, participants heard audio clips, some of which included a lateralized target (p = 50%). On each trial participants indicated whether the target was presented from the left, right, or was absent...
April 10, 2017: Journal of Experimental Psychology. Learning, Memory, and Cognition
https://www.readbyqxmd.com/read/28388509/nodular-lesions-in-diabetic-nephropathy-collagen-staining-and-renal-prognosis
#10
Koki Mise, Toshiharu Ueno, Junichi Hoshino, Ryo Hazue, Keiichi Sumida, Masayuki Yamanouchi, Noriko Hayami, Tatsuya Suwabe, Rikako Hiramatsu, Eiko Hasegawa, Naoki Sawa, Takeshi Fujii, Shigeko Hara, Jun Wada, Hirofumi Makino, Kenmei Takaichi, Kenichi Ohashi, Yoshifumi Ubara
AIMS: Nodular lesions are one of the most characteristic pathological changes of advanced diabetic nephropathy (DN). Previous studies have demonstrated that the pattern of both routine and collagen staining of nodular lesions changes during their development. However, the association between such changes of staining and the renal prognosis remains unclear. METHODS: Among 252 patients with biopsy-proven DN, 67 met the selection criteria and were enrolled to investigate this relationship...
March 22, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28380778/blind-deconvolution-for-astronomical-spectrum-extraction-from-two-dimensional-multifiber-spectrum-images
#11
Qian Yin, Ping Guo, Hanli Liu, Xin Zheng
Although advances in astronomical observation techniques and fiber optic technology have enabled two-dimensional (2D) multifiber spectrum images, astronomers often need one-dimensional (1D) spectroscopy to study physical and chemical properties of astronomical objects. Because of faint optical flux and light pollution, determining point spread functions (PSF) for large-scale multifiber spectroscopic telescopes is difficult. We propose a new optimal extraction method that uses blind deconvolution to extract 1D astronomical spectroscopy from 2D multifiber spectrum images without knowing the exact PSF...
March 6, 2017: Optics Express
https://www.readbyqxmd.com/read/28358888/effectiveness-of-betahistine-48-mg-day-in-patients-with-vestibular-vertigo-during-routine-practice-the-virtuoso-study
#12
Vladimir A Parfenov, Volodymyr A Golyk, Eduard I Matsnev, Svetlana V Morozova, Oleg A Melnikov, Ludmila M Antonenko, Elena E Sigaleva, Maksym I Situkho, Olena I Asaulenko, Vasyl I Popovych, Maxim V Zamergrad
BACKGROUND: Vestibular vertigo is associated with substantially reduced quality of life. Betahistine is effective in improving vertigo-associated symptoms, with longer treatment periods leading to greater improvements; however, it is not known whether these effects persist after treatment cessation. METHODS: VIRTUOSO was a prospective, multinational, non-comparative, post-marketing observational programme investigating the effectiveness of betahistine (48 mg/day) and the course of vertigo after the discontinuation of treatment...
2017: PloS One
https://www.readbyqxmd.com/read/28351846/postural-heart-rate-changes-in-young-patients-with-vasovagal-syncope
#13
Marvin S Medow, Sana Merchant, Melissa Suggs, Courtney Terilli, Breige O'Donnell-Smith, Julian M Stewart
BACKGROUND AND OBJECTIVES: Recurrent postural vasovagal syncope (VVS) is caused by transient cerebral hypoperfusion from episodic hypotension and bradycardia; diagnosis is made by medical history. VVS contrasts with postural tachycardia syndrome (POTS), defined by chronic daily symptoms of orthostatic intolerance with excessive upright tachycardia without hypotension. POTS has recently been conflated with VVS when excessive tachycardia is succeeded by hypotension during tilt testing. We hypothesize that excessive tachycardia preceding hypotension and bradycardia is part of the vasovagal response during tilt testing of patients with VVS...
March 28, 2017: Pediatrics
https://www.readbyqxmd.com/read/28349397/sequential-immunofluorescent-light-microscopy-and-electron-microscopy-of-recombination-nodules-during-meiotic-prophase-i
#14
Lorinda K Anderson
Immunolocalization using either fluorescence for light microscopy (LM) or gold particles for electron microscopy (EM) has become a common tool to pinpoint proteins involved in recombination during meiotic prophase. Each method has its advantages and disadvantages. For example, LM immunofluorescence is comparatively easier and higher throughput compared to immunogold EM localization. In addition, immunofluorescence has the advantages that a faint signal can often be enhanced by longer exposure times and colocalization using two (or more) probes with different absorbance and emission spectra is straightforward...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28346696/do-people-trust-dentists-development-of-the-dentist-trust-scale
#15
Jason M Armfield, Manon Ketting, Sergio Chrisopoulos, Sarah R Baker
BACKGROUND: This study aimed to adapt a measure of trust in physicians generally to trust in dentists and to assess the reliability and validity of the measure. METHODS: Questionnaire data were collected from a simple random sample of 596 Australian adults. The 11-item General Trust in Physicians Scale (Hall et al., 2002) was modified to apply to dentists. RESULTS: The Dentist Trust Scale (DTS) had good internal consistency (Cronbach's alpha = 0...
March 27, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28345674/skeletal-muscle-pump-drives-control-of-cardiovascular-and-postural-systems
#16
Ajay K Verma, Amanmeet Garg, Da Xu, Michelle Bruner, Reza Fazel-Rezai, Andrew P Blaber, Kouhyar Tavakolian
The causal interaction between cardio-postural-musculoskeletal systems is critical in maintaining postural stability under orthostatic challenge. The absence or reduction of such interactions could lead to fainting and falls often experienced by elderly individuals. The causal relationship between systolic blood pressure (SBP), calf electromyography (EMG), and resultant center of pressure (COPr) can quantify the behavior of cardio-postural control loop. Convergent cross mapping (CCM) is a non-linear approach to establish causality, thus, expected to decipher nonlinear causal cardio-postural-musculoskeletal interactions...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28344873/a-specific-immune-and-lymphatic-profile-characterizes-the-pre-metastatic-state-of-the-sentinel-lymph-node-in-patients-with-early-cervical-cancer
#17
Cédric Balsat, Silvia Blacher, Michael Herfs, Maureen Van de Velde, Nicolas Signolle, Philippe Sauthier, Charles Pottier, Stéphanie Gofflot, Marjolein De Cuypere, Philippe Delvenne, Frédéric Goffin, Agnès Noel, Frédéric Kridelka
The lymph node (LN) pre-metastatic niche is faintly characterized in lymphophilic human neoplasia, although LN metastasis is considered as the strongest prognostic marker of patient survival. Due to its specific dissemination through a complex bilateral pelvic lymphatic system, early cervical cancer is a relevant candidate for investigating the early nodal metastatic process. In the present study, we analyzed in-depth both the lymphatic vasculature and the immune climate of pre-metastatic sentinel LN (SLN), in 48 cases of FIGO stage IB1 cervical neoplasms...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28342371/contrast-enhancement-with-uranyl-acetate-allows-quantitative-analysis-of-the-articular-cartilage-by-microct-application-to-mandibular-condyles-in-the-btx-rat-model-of-disuse
#18
Jean-Daniel Kün-Darbois, Florence Manero, Louis Rony, Daniel Chappard
Microcomputed tomography (microCT) is well adapted to quantitative analysis of calcified tissues but soft tissues (such as cartilage) are radiolucent and need a contrast enhancement procedure for microCT. We developed a "staining" method allowing microCT imaging of articular cartilage using uranyl acetate (UA). The method was used to see whether adult rats with a botulinum toxin (BTX) injection in masticatory muscles present a change at the condylar cartilage of the mandible in association with a localized trabecular bone loss...
March 21, 2017: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/28341843/multistructure-index-characterization-of-heart-rate-and-systolic-blood-pressure-reveals-precursory-signs-of-syncope
#19
Danuta Makowiec, Beata Graff, Zbigniew R Struzik
Recurrent syncope - abrupt loss of consciousness - can have a serious impact on patients' quality of life, comparable with chronic illnesses. Vasovagal syncope (VVS) is a specific reflex syncope, in which an inappropriate reaction of the autonomic nervous system (ANS) plays a key role in the pathophysiology. In syncope diagnosis, an ideal diagnostic method should positively identify vasovagal sensitive patients, without the need to perform a specialised head-up tilt table (HUTT) test. We apply a novel methodology of multistructure index (MI) statistics for seamlessly evaluating the size spectrum of the asymmetry properties of magnitudes of neural reflexes responsible for maintaining the homeostatic dynamics of autonomic control...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28340314/ocular-manifestations-in-children-with-juvenile-onset-systemic-lupus-erythematosus
#20
Ghada Gawdat, Dina El-Fayoumi, Huda Marzouk, Yomna Farag
PURPOSE: To study the ocular manifestations of juvenile systemic lupus erythematosus (JSLE), including the ocular side-effects of the systemic medications used. METHODS: A descriptive cross-sectional study on 40 children diagnosed with JSLE was conducted. Ophthalmological and laboratory investigations as well as a calculation of the Systemic Lupus Disease Activity Index 2000 (SLEDAI-2K) were performed. RESULTS: Forty consecutive children, 32 females and 8 males, with JSLE were examined...
March 24, 2017: Seminars in Ophthalmology
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