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https://www.readbyqxmd.com/read/29353464/laparoscopic-2port-varicocelectomy-with-scarless-periumblical-mini-incision-initial-experience-in-approach-and-outcomes
#1
Won Ik Seo, Jong Kyou Kwon, Pil Moon Kang, Wansuk Kim, Jang Ho Yoon, Taek Sang Kim, Jae Seung Chung, Cheol Kyu Oh
PURPOSE: As with other areas, there have been many efforts for minimally invasive surgery in varicocelectomy. We present our initial experience with laparoscopic varicocelectomy with a two-port scarless periumbilical mini-incision. MATERIALS AND METHODS: The study enrolled 18 patients who underwent laparoscopic varicocelectomy with a twoportscarless periumbilical mini-incision from February 2012 to April 2013. The laparoscopic varicocelectomy was performed using two 5-mm ports at periumbilical sites in skin creases...
January 21, 2018: Urology Journal
https://www.readbyqxmd.com/read/29353354/relationship-among-aqueous-copper-half-lives-and-responses-of-pimephales-promelas-to-a-series-of-copper-sulfate-pentahydrate-concentrations
#2
Alyssa J Calomeni, Ciera M Kinley, Tyler D Geer, Kyla J Iwinski, Maas Hendrikse, John H Rodgers
Copper algaecide exposures in situ are often of shorter duration than exposures for static toxicity experiments because aqueous concentrations in situ dissipate as a function of site-specific fate processes. Consequently, responses of organisms to static copper exposures may overestimate effects following in situ exposures. To understand the role of exposure duration for altering responses, Pimephales promelas survival was compared following static (96 h) and pulse (1.5, 4, 8, and 15 h half-lives) exposures of CuSO4•5H2O...
January 20, 2018: Ecotoxicology
https://www.readbyqxmd.com/read/29353326/radiological-and-functional-outcomes-of-high-grade-spondylolisthesis-treated-by-intrasacral-fixation-dome-resection-and-circumferential-fusion-a-retrospective-series-of-20-consecutive-cases-with-a-minimum-of-2%C3%A2-years-follow-up
#3
E Ferrero, B Ilharreborde, V Mas, C Vidal, A-L Simon, K Mazda
PURPOSE: Major concern during surgery for high-grade spondylolisthesis (HGS) is to reduce lumbosacral kyphosis and restore sagittal alignment. Despite the numerous methods described, lumbosacral fixation in HGS is a challenging technique associated with high complication rate. Few series have described outcomes and most of the results are limited to lumbosacral correction without global sagittal alignment analysis. This study aims at analyzing clinical and radiological outcomes of HGS patients treated with intrasacral rods on full spine radiographs...
January 20, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29353307/characterization-of-an-%C3%AE-agarase-from-thalassomonas-sp-ld5-and-its-hydrolysate
#4
Weibin Zhang, Jingnan Xu, Dan Liu, Huan Liu, Xinzhi Lu, Wengong Yu
It has been a long time since the first α-agarase was discovered. However, only two α-agarases have been cloned and partially characterized so far and the study of α-agarases has lagged far behind that of β-agarases. Here, we report an α-agarase, AgaD, cloned from marine bacterium Thalassomonas sp. LD5. Its cDNA consists of 4401 bp, encoding a protein of 1466 amino acids. Based on amino acid similarity, AgaD is classified into glycoside hydrolase (GH) family GH96. The recombinant enzyme gave a molecular weight of about 180 kDa on SDS-PAGE and 360 kDa on Native-PAGE indicating it acted as a dimer...
January 20, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29353291/editorial-impact-of-the-binge-drinking-bd-in-adolescence-are-we-doing-it-right-editorial-impacto-del-consumo-epis%C3%A3-dico-excesivo-de-alcohol-en-la-adolescencia-%C3%A2-lo-estamos-haciendo-bien
#5
Ana Magdalena Vargas-Martínez, Marta Trapero-Bertran, Eugenia Gil-García, Marta Lima-Serrano
Nowadays, one of the most prevalent patterns of alcohol consumption is called binge drinking (BD). In 2015, the European School Survey Project on Alcohol and Drugs (ESPAD) Group estimated that about 35% of adolescents of 15-16 years old have had at least one BD occasion in the past 30 days while at national level, the series of surveys on the use of drugs in adolescents of secondary education (ESTUDES, 2014-2015) determined that 32.2% of adolescents stated having performed BD in the last month. The aim of this editorial was to update the context of adolescence drinking and analysing the impact of BD by ages, including health and social costs derived...
January 15, 2018: Adicciones
https://www.readbyqxmd.com/read/29353274/postoperative-immobilization-following-occipitocervical-fusion-in-the-pediatric-population-outcome-evaluation-and-review-of-literature
#6
Alexandre R Pingarilho, Paulo M Porto de Melo, Samer K Elbabaa
The scientific literature does not have a consensus about the role and method of postoperative immobilization after occipitocervical fusion in the pediatric population. The primary goal of this study is to review the medical literature and evaluate different immobilization methods and their impact on fusion, following the surgical management of craniocervical instability in children. It started with an extensive research of randomized controlled trials, series of cases and case reports, describing occipitocervical junction pathologies, clinical, epidemiological characteristics, and treatment...
January 20, 2018: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29353270/screening-for-brain-involvement-in-infants-with-multifocal-cutaneous-infantile-hemangiomas
#7
Rivka Friedland, Dan Ben Amitai, Alex Zvulunov
BACKGROUND: Multifocal (≥5) infantile hemangiomas (IHs) are known as a risk factor for extracutaneous involvement. Liver is the most commonly involved organ, but involvement of other systems has also been reported. This study aims to describe the characteristic findings in a group of infants with multiple cutaneous hemangiomas, with emphasis on intracranial involvement. METHODS: A retrospective case series study was carried out in a pediatric dermatology unit of a tertiary pediatric medical center...
January 20, 2018: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/29353226/high-neutrophil-to-lymphocyte-ratios-predict-intracranial-atherosclerosis-in-a-healthy-population
#8
Ki-Woong Nam, Hyung-Min Kwon, Han-Yeong Jeong, Jin-Ho Park, Sang Hyuck Kim, Su-Min Jeong
BACKGROUND AND AIMS: Although atherosclerosis has been shown to be an inflammatory disease, intracranial atherosclerosis (ICAS) has not been well addressed. The purpose of this study was to evaluate the relationship between the neutrophil to lymphocyte ratio (NLR) and the presence of ICAS lesions in a generally healthy population. METHODS: A consecutive series of subjects, who voluntarily visited for health check-ups between January 2006 and December 2013, were selected...
January 5, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29353223/parathyroid-carcinoma-from-a-case-report-to-a-review-of-the-literature
#9
José Miguel Presa Fernandes, Claudia Paiva, Raquel Correia, José Polónia, António Moreira da Costa
INTRODUCTION: Parathyroid carcinoma is a rare endocrine malignancy. The reported incidence is from 0.5 to 5% of primary hyperparathyroidism cases in various series. Consideration of parathyroid carcinoma in the differential diagnosis of hypercalcaemic disorders is important because the morbidity and mortality are substantial and the best prognosis is associated with early recognition and surgical resection. PRESENTATION OF CASE: We report a case of parathyroid carcinoma occurring in a 60-year-old woman who presented to our institution with persistent hyperparathyroidism and hypercalcemia 3 years after being submitted to one gland parathyroidectomy in another hospital...
November 22, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29353200/monitoring-of-soil-radon-by-ssntd-in-eastern-india-in-search-of-possible-earthquake-precursor
#10
Argha Deb, Mahasin Gazi, Jayita Ghosh, Saheli Chowdhury, Chiranjib Barman
The present paper deals with monitoring soil radon-222 concentration at two different locations, designated Site A and Site B, 200 m apart at Jadavpur University campus, Kolkata, India, with a view to find possible precursors for the earthquakes that occurred within a few hundred kilometers from the monitoring site. The solid state nuclear track detector CR-39 has been used for detection of radon gas coming out from soil. Radon-222 time series at both locations during the period August 2012-December 2013 have been analysed...
January 17, 2018: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/29353166/toxicological-responses-on-cytochrome-p450-and-metabolic-transferases-in-liver-of-goldfish-carassius-auratus-exposed-to-lead-and-paraquat
#11
Xiaoming Xu, Zhaojie Cui, Xinlei Wang, Xixin Wang, Su Zhang
As the producer of reactive oxygen species (ROS), both lead (Pb) and paraquat (PQ) can generate serious oxidative stress in target organs which result in irreversible toxic effects on organisms. They can disturb the normal catalytic activities of many enzymes by means of different toxicity mechanism. The changed responses of enzymes are frequently used as the biomarkers for indicating the relationship between toxicological effects and exposure levels. In this work, goldfish was exposed to a series of test groups containing lead and paraquat in the range of 0...
January 17, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29353136/mutual-inhibition-of-lateral-inhibition-a-network-motif-for-an-elementary-computation-in-the-brain
#12
REVIEW
Minoru Koyama, Avinash Pujala
A series of classical studies in non-human primates has revealed the neuronal activity patterns underlying decision-making. However, the circuit mechanisms for such patterns remain largely unknown. Recent detailed circuit analyses in simpler neural systems have started to reveal the connectivity patterns underlying analogous processes. Here we review a few of these systems that share a particular connectivity pattern, namely mutual inhibition of lateral inhibition. Close examination of these systems suggests that this recurring connectivity pattern ('network motif') is a building block to enforce particular dynamics, which can be used not only for simple behavioral choice but also for more complex choices and other brain functions...
January 16, 2018: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/29352942/comparative-study-of-molecular-recognition-of-folic-acid-subunits-with-cyclodextrins
#13
Magdalena Ceborska, Karolina Kędra-Królik, Aneta Aniela Kowalska, Małgorzata Koźbiał
The complexation of pteroic acid and pterine, subunits of folic acid, with native cyclodextrins (α‒, β‒, and γ‒CDs) was studied in solution (UV-vis), and in the solid state (thermal analysis, IR and Raman). UV-vis titrations at pH = 7.4 provided data regarding stoichiometry of the formed complexes as well as their associations constants. Stability of the complexes increases in the series: γ‒CD < β‒CD < α‒CD for pterine, and γ‒CD < α‒CD < β‒CD for pteroic acid...
March 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29352890/nanocrystalline-cellulose-as-an-eco-friendly-reinforcing-additive-to-polyurethane-coating-for-augmented-anticorrosive-behavior
#14
M Abd El-Fattah, Abdulraheim M A Hasan, Mohamed Keshawy, Ashraf M El Saeed, Ossama M Aboelenien
Nanocrystalline cellulose (NCC) and micro-powdered cellulose (MPC) were extracted from rice straw by mechanical and alkali treatment methods, then characterized via infrared spectroscopy and dynamic light scattering. A series of polyurethane nanocrystalline cellulose composite (PNCCC) and polyurethane micro-powdered cellulose composite (PMPCC) coatings were prepared with various loading levels of NCC and MPC from 0.5 to 2.0 wt.%, and the coatings were applied onto the pretreated mild steel substrate at room temperature...
March 1, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29352860/towards-targeting-resolution-pathways-of-airway-inflammation-in-asthma
#15
REVIEW
Cindy Barnig, Nelly Frossard, Bruce D Levy
Asthma is a chronic disorder characterized by persistent inflammation of the airways with mucosal infiltration of eosinophils, T lymphocytes, and mast cells, and release of proinflammatory cytokines and lipid mediators. The natural resolution of airway inflammation is now recognized as an active host response, with highly coordinated cellular events under the control of endogenous pro-resolving mediators that enable the restoration of tissue homeostasis. Lead members of proresolving mediators are enzymatically derived from essential polyunsaturated fatty acids, including arachidonic acid-derived lipoxins, eicosapentaenoic acid-derived E-series resolvins, and docosahexaenoic acid-derived D-series resolvins, protectins, and maresins...
January 17, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29352784/calculation-of-a-solid-liquid-surface-tension-a-methodological-study
#16
T Dreher, C Lemarchand, L Soulard, E Bourasseau, P Malfreyt, N Pineau
The surface tension of a model solid/liquid interface constituted of a graphene sheet surrounded by liquid methane has been computed using molecular dynamics in the Kirkwood-Buff formalism. We show that contrary to the fluid/fluid case, the solid/liquid case can lead to different structurations of the first fluid layer, leading to significantly different values of surface tension. Therefore we present a statistical approach that consists in running a series of molecular simulations of similar systems with different initial conditions, leading to a distribution of surface tensions from which an average value and uncertainty can be extracted...
January 21, 2018: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29352782/communication-investigation-of-ion-aggregation-in-ionic-liquids-and-their-solutions-with-lithium-salt-under-high-pressure
#17
Kartik Pilar, Victor Balédent, Mehdi Zeghal, Patrick Judeinstein, Sangsik Jeong, Stefano Passerini, Steve Greenbaum
X-ray scattering measurements were utilized to probe the effects of pressure on a series of ionic liquids, N-alkyl-N-methyl-pyrrolidinium bis(trifluoromethanesulfonyl)imide (Pyr1A-TFSI) (A = 3, 6, and 9), along with mixtures of ionic liquid and 30 mol. % lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) salt. No evidence was found for crystallization of the pure ionic liquids or salt mixtures even at pressures up to 9.2 GPa. No phase separation or demixing was observed for the ionic liquid and salt mixtures...
January 21, 2018: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29352689/morbidity-and-safety-of-iliac-crest-reference-array-pins-in-navigated-total-hip-arthroplasty-a-prospective-cohort-study
#18
Anton P Lambers, Xiang G Salim, Robert Jennings, Andrew T Bucknill
BACKGROUND: Navigated total hip arthroplasty (THA) can employ intra-osseous pins through a separate incision to secure reference arrays to the iliac crest. This study is the first to investigate the consequences of pin use in THA in vivo. METHODS: A prospective, consecutive series of 43 patients presenting for navigated THA were included. Two temporary 125 × 4 mm Schanz screws were inserted into the iliac crest for the attachment of a reference array. Telephone follow-up occurred at 6 and 12 weeks post-operatively...
December 28, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29352684/long-term-outcome-of-hip-arthroplasty-in-the-setting-of-pigmented-villonodular-synovitis
#19
Meagan E Tibbo, Cody C Wyles, Peter S Rose, Franklin H Sim, Matthew T Houdek, Michael J Taunton
BACKGROUND: Pigmented villonodular synovitis (PVNS) is a rare, benign, painful proliferation of the synovium previously treated successfully with total hip arthroplasty (THA). Published results come from small series; therefore, the purpose of this study is to investigate the outcomes of THA in the setting of PVNS. METHODS: We identified 25 patients with histologically confirmed, diffuse PVNS who underwent THA between 1971 and 2013. Mean follow-up and age was 10 years and 39 years...
December 29, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29352618/point-shear-wave-elastography-of-the-spleen-its-role-in-patients-with-portal-hypertension
#20
Natalie Lucchina, Chiara Recaldini, Monica Macchi, Valeria Molinelli, Mario Montanari, Sergio Segato, Raffaele Novario, Carlo Fugazzola
The goals of the study described here were to evaluate the feasibility and reproducibility of measuring spleen stiffness (SS) using point shear wave elastography in a series of cirrhotic patients and to investigate whether SS, liver stiffness (LS) and other non-invasive parameters are correlated with the presence of esophagogastric varices (EVs). Fifty-four cirrhotic patients with low-grade EVs or without EVs at esophago-gastro-duodenoscopy were enrolled. They underwent abdominal ultrasound and Doppler ultrasound of hepatic vessels simultaneously with p-SWE of the liver and spleen...
January 15, 2018: Ultrasound in Medicine & Biology
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