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https://www.readbyqxmd.com/read/29785455/robotic-assisted-laparoscopic-median-arcuate-ligament-release-7-year-experience-from-a-single-tertiary-care-center
#1
Usah Khrucharoen, Yen-Yi Juo, Yas Sanaiha, Yijun Chen, Juan C Jimenez, Erik P Dutson
BACKGROUND: Despite previous reports of robotic-assisted laparoscopic release for median arcuate ligament syndrome (MALS), the safety and efficacy profile of this approach has been difficult to establish due to the rarity of this diagnostic entity. We aim to present our experience from a tertiary minimally invasive surgery referral center. METHODS: A case series was performed whereby all patients who underwent robotic-assisted MAL release from July 2010 to July 2017 at our institution were included...
May 21, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29785035/optimized-delivery-of-sirna-into-3d-tumor-spheroid-cultures-in-situ
#2
R G Morgan, A C Chambers, D N Legge, S J Coles, A Greenhough, A C Williams
3D tissue culture provides a physiologically relevant and genetically tractable system for studying normal and malignant human tissues. Despite this, gene-silencing studies using siRNA has proved difficult. In this study, we have identified a cause for why traditional siRNA transfection techniques are ineffective in eliciting gene silencing in situ within 3D cultures and proposed a simple method for significantly enhancing siRNA entry into spheroids/organoids. In 2D cell culture, the efficiency of gene silencing is significantly reduced when siRNA complexes are prepared in the presence of serum...
May 21, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29784021/the-difficult-conversation-a-qualitative-evaluation-of-the-eat-well-move-more-family-weight-management-service
#3
Rebecca E Johnson, Oyinlola Oyebode, Sadie Walker, Elizabeth Knowles, Wendy Robertson
OBJECTIVE: The Eat Well Move More (EWMM) family and child weight management service is a 12-week intervention integrating healthy eating and physical activity education and activities for families and children aged 4-16. EWMM service providers identified low uptake 12 months prior to the evaluation. The aims of this study were to describe referral practices and pathways into the service to identify potential reasons for low referral and uptake rates. RESULTS: We conducted interviews and focus groups with general practitioners (GPs) (n = 4), school nurses, and nursing assistants (n = 12)...
May 21, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29780064/systemic-lupus-erythematosus-and-sj%C3%A3-gren-s-syndrome-complicated-by-conversion-disorder-a-case-report
#4
Misa Nakamura, Seiji Tanaka, Tadashi Inoue, Yasuto Maeda, Kiyohito Okumiya, Takuya Esaki, G O Shimomura, Kenji Masunaga, Shinichiro Nagamitsu, Yushiro Yamashita
Conversion disorder (CD) is sometimes accompanied by motor and sensory impairments, such as muscle weakness, paralysis, sensory hypersensitivity, and sensory loss. Sjögren's syndrome (SS) complicates 5-10% of cases of systemic lupus erythematosus (SLE). Patients with SS or SLE present with various neurological symptoms and psychiatric manifestations. When neurological symptoms are present, it is important to distinguish whether the symptoms are caused by a neurological or a mental disorder because the former requires early intensive intervention, such as methylprednisolone pulse therapy (MPT), whereas psychotherapy or antidepressant drugs are recommended for mental disorders...
May 21, 2018: Kurume Medical Journal
https://www.readbyqxmd.com/read/29777820/accuracy-and-precision-of-quantitative-dce-mri-parameters-how-should-one-estimate-contrast-concentration
#5
Nicole Wake, Hersh Chandarana, Henry Rusinek, Koji Fujimoto, Linda Moy, Daniel K Sodickson, Sungheon Gene Kim
INTRODUCTION: Pharmacokinetic parameters derived from dynamic contrast-enhanced MRI (DCE-MRI) data are sensitive to acquisition and post-processing techniques, which makes it difficult to compare results obtained using different methods. In particular, one of the most important factors affecting estimation of model parameters is how to convert MRI signal intensities to contrast agent concentration. The purpose of our study was to quantitatively compare a linear signal-to-concentration conversion (LC) as an approximation and a non-linear conversion (NLC) based on the MRI signal equation, in terms of the accuracy and precision of the pharmacokinetic parameters in T1 -weighted DCE-MRI...
May 16, 2018: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/29775558/reconstructing-a-traumatic-empty-orbit-principles-difficulties-of-treatment-and-literature-review
#6
REVIEW
Panagiotis Stathopoulos, Philip Ameerally
PURPOSE: This report describes the case of a serious orbital injury in which the globe was completely displaced into the nasal cavity and the orbit was clinically empty. The authors discuss the difficulties encountered in the management of this patient and their principles in the reconstruction of a complex defect. MATERIALS AND METHODS: In this rare case of severe injury, the authors used a combined transconjunctival and ethmoidal approach to retrieve the displaced globe from the nasal cavity...
April 21, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29773340/acid-monomer-analysis-in-waterborne-polymer-systems-by-targeted-labeling-of-carboxylic-acid-functionality-followed-by-pyrolysis-gas-chromatography
#7
T Brooijmans, R Okhuijsen, I Oerlemans, P J Schoenmakers, R Peters
Pyrolysis - gas chromatography - (PyGC) is a common method to analyse the composition of natural and synthetic resins. The analysis of acid functionality in, for example, waterborne polyacrylates and polyurethanes polymers has proven to be difficult due to solubility issues, inter- and intramolecular interaction effects, lack of detectability in chromatographic analysis, and lack of thermal stability. Conventional analytical techniques, such as PyGC, cannot be used for the direct detection and identification of acidic monomers, due to thermal rearrangements that take place during pyrolysis...
May 14, 2018: Journal of Chromatography. A
https://www.readbyqxmd.com/read/29773296/nontuberculous-mycobacterial-and-aspergillus-infections-among-cadaveric-lung-transplant-recipients-in-japan
#8
Kazunobu Tachibana, Yoshinori Okada, Yasushi Matsuda, Kentaroh Miyoshi, Takahiro Oto, Toyofumi F Chen-Yoshikawa, Hiroshi Date, Masato Minami, Meinoshin Okumura, Akinori Iwasaki, Takeshi Shiraishi, Sumiko Maeda, Yuji Matsumura, Takahiro Nakajima, Ichiro Yoshino, Seiji Hayashi
BACKGROUND: Lung transplantation is an effective treatment modality for respiratory failure. Chronic lung infections, including infections caused by nontuberculous mycobacteria (NTM) and Aspergillus, are difficult to control, and uncontrolled infections are relative contraindications for lung transplantation. However, few reports have documented the incidence and outcome of these infections in lung transplant recipients. METHODS: To quantify the incidence and outcomes of colonization and disease caused by NTM and aspergillosis in recipients before and after lung transplantation, we reviewed the medical records and microbiology data from 240 consecutive cadaveric lung transplant recipients between 2000 and 2014...
May 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29773063/conversion-of-protein-active-regions-into-peptidomimetic-therapeutic-leads-using-backbone-cyclization-and-cycloscan-how-to-do-it-yourself
#9
Samuel J S Rubin, Yftah Tal-Gan, Chaim Gilon, Nir Qvit
Protein-protein interactions (PPIs) are particularly important for controlling both physiologic and pathologic biological processes but are difficult to target due to their large and/or shallow interaction surfaces unsuitable for small molecules. Linear peptides found in nature interact with some PPIs, and protein active regions can be used to design synthetic peptide compounds for inhibition of PPIs. However, linear peptides are limited therapeutically by poor metabolic and conformational stability, which can compromise their bioactivity and half-life...
May 17, 2018: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/29770885/does-near-infrared-nir-fluorescence-angiography-modify-operative-strategy-during-emergency-procedures
#10
Emilie Liot, Michela Assalino, Nicolas Christian Buchs, Boris Schiltz, Jonathan Douissard, Philippe Morel, Frédéric Ris
INTRODUCTION: Bowel viability can be difficult to evaluate during emergency surgery. Near-infrared (NIR) fluorescence angiography allows an intraoperative assessment of organ perfusion during elective surgery and might help to evaluate intestinal perfusion during emergency procedures. The aim of this study was to assess if NIR modified operative strategy during emergency surgery. MATERIALS AND METHODS: From July 2014 to December 2015, we prospectively evaluated all consecutive patients, who had NIR assessment during emergency surgery...
May 16, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29768665/chiral-separation-of-isoxanthohumol-and-8-prenylnaringenin-in-beer-hop-pellets-and-hops-by-hplc-with-chiral-columns
#11
Hyuga Moriya, Sohei Tanaka, Yukari Iida, Satomi Kitagawa, Sen-Ichi Aizawa, Atsushi Taga, Hiroyuki Terashima, Atsushi Yamamoto, Shuji Kodama
Xanthohumol, isoxanthohumol, and 8-prenylnaringenin in beer, hop, and hop pellet samples were analyzed by HPLC using InertSustain phenyl column and the mobile phase containing 40% methanol and 12% 2-propanol. Fractions of isoxanthohumol and 8-prenylnaringenin obtained by the above HPLC were separately collected. Isoxanthohumol and 8-prenylnaringenin were enantioseparated by HPLC using Chiralcel OD-H column with a mobile phase composed of hexane/ethanol (90/10, v/v) and Chiralpak AD-RH column with a mobile phase composed of methanol/2-propanol/water (40/20/40, v/v/v), respectively...
May 16, 2018: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29763424/prevalence-of-primary-sj%C3%A3-gren-s-syndrome-in-patients-undergoing-evaluation-for-pulmonary-arterial-hypertension
#12
Tatsuyuki Sato, Masaru Hatano, Yukiko Iwasaki, Hisataka Maki, Akihito Saito, Shun Minatsuki, Toshiro Inaba, Eisuke Amiya, Keishi Fujio, Masafumi Watanabe, Kazuhiko Yamamoto, Issei Komuro
BACKGROUND: The prevalence of pulmonary arterial hypertension (PAH) in primary Sjögren's syndrome (SS) had been reported to be rare. However, recent studies using echocardiography as a screening method showed conflicting results, and the true prevalence is still unclear. Since diagnosing primary SS is difficult because of its heterogeneous nature, a number of patients with primary-SS-associated PAH may be misdiagnosed with idiopathic PAH, losing their chance to undergo immunosuppressive therapy...
2018: PloS One
https://www.readbyqxmd.com/read/29763389/how-should-complex-communication-responsibilities-be-distributed-in-surgical-education-settings
#13
Bradley M Dennis, Allan B Peetz
Part of any trauma surgeon's job is communicating effectively in difficult, often time-limited, situations. The ability to effectively discuss topics like goals of care in these settings has a direct effect on patient care. Many factors contribute to the complexity of these conversations, including patient, physician, surrogate, and system-specific factors. In responding to the case of Mr. D and Dr. J, we attempt to outline and analyze some of the moral challenges and ethical questions that this professional responsibility poses to trauma surgeons and trainees...
May 1, 2018: AMA Journal of Ethics
https://www.readbyqxmd.com/read/29751487/preparation-and-antioxidant-activity-of-ethyl-linked-anthocyanin-flavanol-pigments-from-model-wine-solutions
#14
Lingxi Li, Minna Zhang, Shuting Zhang, Yan Cui, Baoshan Sun
Anthocyanin-flavanol pigments, formed during red wine fermentation and storage by condensation reactions between anthocyanins and flavanols (monomers, oligomers, and polymers), are one of the major groups of polyphenols in aged red wine. However, knowledge of their biological activities is lacking. This is probably due to the structural diversity and complexity of these molecules, which makes the large-scale separation and isolation of the individual compounds very difficult, thus restricting their further study...
May 3, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29751295/the-availability-of-second-generation-feedstocks-for-the-treatment-of-acid-mine-drainage-and-to-improve-south-africa-s-bio-based-economy
#15
Dirk Karl Westensee, Karl Rumbold, Kevin G Harding, Craig M Sheridan, Lizelle D van Dyk, Geoffrey S Simate, Ferdinand Postma
South Africa has a wide range of mining activities making mineral resources important economic commodities. However, the industry is responsible for several environmental impacts; one of which is acid mine drainage (AMD). Despite several years of research, attempts to prevent AMD generation have proven to be difficult. Therefore, treatment of the resulting drainage has been common practice over the years. One of the recommended treatment methods is the use of second generation feedstocks (lignocellulosic biomass)...
May 8, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29748020/validation-of-the-8th-tnm-classification-for-small-cell-lung-cancer-in-a-retrospective-material-from-sweden
#16
Salomon Tendler, Vitali Grozman, Rolf Lewensohn, Georgios Tsakonas, Kristina Viktorsson, Luigi De Petris
BACKGROUND: The purpose of this study was to evaluate on a Swedish cohort of small cell lung cancer (SCLC) patients whether the 8th TNM staging system can provide additional prognostic information in comparison with the previous 6th and 7th TNM versions and the older 2-stage LD vs ED system. METHODS: We reviewed the medical records of patients (pts) with SCLC diagnosed between January 2008 and February 2016 in the Stockholm and Gotland region. Each patient file was revised and reclassified from the VASGL system to the 6th , 7th and 8th TNM system respectively...
June 2018: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/29746781/robust-subwavelength-single-mode-perovskite-nanocuboid-laser
#17
Zhengzheng Liu, Jie Yang, Juan Du, Zhiping Hu, Tongchao Shi, Zeyu Zhang, Yanqi Liu, Xiaosheng Tang, Yuxin Leng, Ruxin Li
On-chip photonic information processing systems require great research efforts toward miniaturization of the optical components. However, when approaching the classical diffraction limit, conventional dielectric lasers with all dimensions in nanoscale are difficult to be realized due to the ultimate miniaturization limit of the cavity length and the extremely high requirement of optical gain to overcome the cavity loss. Herein, we have succeeded in reducing the laser size to subwavelength scale in three dimensions using an individual CsPbBr3 perovskite nanocuboid...
May 10, 2018: ACS Nano
https://www.readbyqxmd.com/read/29746690/retrospective-analysis-reproducibility-of-interblastomere-differences-of-mrna-expression-in-2-cell-stage-mouse-embryos-is-remarkably-poor-due-to-combinatorial-mechanisms-of-blastomere-diversification
#18
E Casser, S Israel, S Schlatt, V Nordhoff, M Boiani
STUDY QUESTION: What is the prevalence, reproducibility and biological significance of transcriptomic differences between sister blastomeres of the mouse 2-cell embryo? SUMMARY ANSWER: Sister 2-cell stage blastomeres are distinguishable from each other by mRNA analysis, attesting to the fact that differentiation starts mostly early in the mouse embryo; however, the interblastomere differences are poorly reproducible and invoke the combinatorial effects of known and new mechanisms of blastomere diversification...
May 9, 2018: Molecular Human Reproduction
https://www.readbyqxmd.com/read/29746122/small-pore-zeolites-synthesis-and-catalysis
#19
Michiel Dusselier, Mark E Davis
In the past decade or so, small-pore zeolites have received greater attention than large- and medium-pore molecular sieves that have historically dominated the literature. This is primarily due to the commercialization of two major catalytic processes, NOx exhaust removal and methanol conversion to light olefins, that take advantage of the properties of these materials with smaller apertures. Small-pore zeolites possess pores that are constructed of eight tetrahedral atoms (Si4+ and Al3+ ), each time linked by a shared oxygen These eight-member ring pores (8MR) provide small molecules access to the intracrystalline void space, e...
May 10, 2018: Chemical Reviews
https://www.readbyqxmd.com/read/29742629/death-in-trauma-the-role-of-the-acnp-in-patient-advocacy-and-familial-support-in-end-of-life-care-decision-making
#20
Stephanie N Barndt
The trauma acute care nurse practitioner (ACNP) participates in the care of critically-ill patients by utilizing his or her advanced clinical skills at the bedside and through communication with the interdisciplinary team, the patient, and the patient's family. Although the incidence of morbidity is decreasing in trauma, death can occur shortly after arrival to hospital, or in the days after initial injury, leading to the need for the unexpected conversation of end-of-life wishes with a patient or the patient's family...
May 2018: Journal of Trauma Nursing: the Official Journal of the Society of Trauma Nurses
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