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#1
Moshe Shiller, Vladimir Gens, Ganem Kassem, Wisam Sbeit
BACKGROUND: The relationships between physicians and patients are very complex. One of their principles is to receive informed consent from the patient. This principle facilitates patient autonomy. The physician must explain to the patient: his condition, treatment alternatives, stating the advantages and disadvantages of each option, to enable the patient to choose between them. There are various attitudes towards the health system as a result of different cultures in different societies...
May 2017: Harefuah
https://www.readbyqxmd.com/read/28551882/medical-geology-of-endemic-goiter-in-kalutara-sri-lanka-distribution-and-possible-causes
#2
G W A R Fernando, P L C L Liyanage, Anushka Upamali Rajapaksha, Meththika Vithanage
This study assesses the distribution of goiter in the Kalutara District, Sri Lanka in order to find causative factors for the occurrence of goiter even after the salt iodization. A questionnaire survey was conducted at the household level and at the same time iodine and selenium levels of the water sources were analyzed. Questionnaire survey results indicated the highest numbers of goiter patients in the northern part where the lowest were found in the southern sector which may be due to the presence of acid sulfate soils...
May 27, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28551840/pregnancy-after-endometrial-scratching-in-infertile-couples-undergoing-ovulation-induction-and-intrauterine-insemination-cycles-a-randomized-controlled-trial
#3
Tuhina Goel, Reeta Mahey, Neerja Bhatla, Mani Kalaivani, Sangeeta Pant, Alka Kriplani
PURPOSE: To study the effect of endometrial scratching in infertile couples undergoing ovulation induction and intrauterine insemination (IUI) cycles. METHODS: A prospective randomized controlled trial was conducted in the Department of Obstetrics and Gynaecology, AIIMS, New Delhi, India. One hundred forty-four women with primary/secondary infertility were recruited. Couples were either unexplained or male factor infertility. Subjects were randomized into intervention (scratching) and control group...
May 27, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28551786/mitochondrial-bioenergetics-during-ischemia-and-reperfusion
#4
Alicia E Consolini, María I Ragone, Patricia Bonazzola, Germán A Colareda
During ischemia and reperfusion (I/R) mitochondria suffer a deficiency to supply the cardiomyocyte with chemical energy, but also contribute to the cytosolic ionic alterations especially of Ca(2+). Their free calcium concentration ([Ca(2+)]m) mainly depends on mitochondrial entrance through the uniporter (UCam) and extrusion in exchange with Na(+) (mNCX) driven by the electrochemical gradient (ΔΨm). Cardiac energetic is frequently estimated by the oxygen consumption, which determines metabolism coupled to ATP production and to the maintaining of ΔΨm...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28551773/should-physicians-tell-the-truth-without-taking-social-complications-into-account-a-striking-case
#5
Ercan Avci
The principle of respect for autonomy requires informing patients adequately and appropriately about diagnoses, treatments, and prognoses. However, some clinical cases may cause ethical dilemmas regarding telling the truth. Under the existence especially of certain cultural, social, and religious circumstances, disclosing all the relevant information to all pertinent parties might create harmful effects. Even though the virtue of telling the truth is unquestionable, sometimes de facto conditions compel physicians to act paternalistically to protect the patient/patients from imminent dangers...
May 27, 2017: Medicine, Health Care, and Philosophy
https://www.readbyqxmd.com/read/28551764/autofluorescence-spectroscopy-for-nerve-sparing-laser-surgery-of-the-head-and-neck-the-influence-of-laser-tissue-interaction
#6
Florian Stelzle, Maximilian Rohde, Max Riemann, Nicolai Oetter, Werner Adler, Katja Tangermann-Gerk, Michael Schmidt, Christian Knipfer
The use of remote optical feedback systems represents a promising approach for minimally invasive, nerve-sparing laser surgery. Autofluorescence properties can be exploited for a fast, robust identification of nervous tissue. With regard to the crucial step towards clinical application, the impact of laser ablation on optical properties in the vicinity of structures of the head and neck has not been investigated up to now. We acquired 24,298 autofluorescence spectra from 135 tissue samples (nine ex vivo tissue types from 15 bisected pig heads) both before and after ER:YAG laser ablation...
May 27, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28551746/occurrence-removal-and-risk-assessment-of-antibiotics-in-12-wastewater-treatment-plants-from-dalian-china
#7
Xin Zhang, Hongxia Zhao, Juan Du, Yixuan Qu, Chen Shen, Feng Tan, Jingwen Chen, Xie Quan
In this study, the occurrence and removal efficiencies of 31 antibiotics, including 11 sulfonamides (SAs), five fluoroquinolones (FQs), four macrolides (MLs), four tetracyclines (TCs), three chloramphenicols (CAPs), and four other antibiotics (Others), were investigated in 12 municipal wastewater treatment plants (WWTPs) in Dalian, China. A total of 29 antibiotics were detected in wastewater samples with the concentration ranging from 63.6 to 5404.6 ng/L. FQs and SAs were the most abundant antibiotic classes in most wastewater samples, accounting for 42...
May 28, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28551740/changes-of-foraging-patch-selection-and-utilization-by-a-giant-panda-after-bamboo-flowering
#8
Guochun Li, Huadong Song, Latifa A A Altigani, Xueli Zheng, Shuhai Bu
The bamboo flowering leads to the habitat fragmentation and food quality decline of a giant panda. Few empirical research has been conducted about the giant panda's response to the bamboo flowering. Here, we investigated the characteristics of bamboo stands, giant panda's activity, and selection and utilization of bamboo stands by giant panda in Taibaishan National Nature Reserve, China, over a 3-year period (September 2013-May 2016) during the Fargesia qinlingensis flowering period. Our results indicated that the proportion of whole bamboo stands flowering has gradually expanded from 26...
May 27, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28551711/why-are-most-phospholipidosis-inducers-also-herg-blockers
#9
Svetoslav Slavov, Iva Stoyanova-Slavova, Shuaizhang Li, Jinghua Zhao, Ruili Huang, Menghang Xia, Richard Beger
Recent reports have noted that a number of compounds that block the human Ether-à-go-go related gene (hERG) ion channel also induce phospholipidosis (PLD). To explore a hypothesis explaining why most PLD inducers are also hERG inhibitors, a modeling approach was undertaken with data sets comprised of 4096 compounds assayed for hERG inhibition and 5490 compounds assayed for PLD induction. To eliminate the chemical domain effect, a filtered data set of 567 compounds tested in quantitative high-throughput screening (qHTS) format for both hERG inhibition and PLD induction was constructed...
May 27, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28551692/when-do-paediatric-patients-with-familial-hypercholesterolemia-need-statin-therapy
#10
Matylda Hennig, Agnieszka Brandt, Joanna Bautembach-Minkowska, Dominik Świętoń, Agnieszka Mickiewicz, Magdalenia Chmara, Bartosz Wasąg, Ewa Kamińska, Anna Balcerska, Janusz Limon, Andrzej Rynkiewicz, Marcin Gruchała, Małgorzata Myśliwiec
INTRODUCTION: Familial hypercholesterolemia (FH) is one of the most common autosomal dominant disorders. It is characterized by elevated LDL cholesterol levels occurring already by early childhood. Awareness of health risks in FH patients should incite health professionals to actively seek and treat children with lipid disorders to reduce their risk of myocardial infarction and stroke. OBJECTIVE: The aim of the study was to evaluate the suitability of taking into account the following parameters: ApoB/ApoA index, IMT and e-tracking examination, when initiating statin therapy in FH patients...
2017: Developmental Period Medicine
https://www.readbyqxmd.com/read/28551658/preoperative-ca-125-values-as-a-predictive-factor-for-the-postoperative-outcome-in-primary-serous-ovarian-cancer
#11
Mustafa Zelal Muallem, Asya Parashkevova, Jumana Almuheimid, Rolf Richter, Yasser Diab, Elena Ioana Braicu, Jalid Sehouli
BACKGROUND/AIM: The purpose of the study was to examine the preoperative CA-125 values as a predictive factor for postoperative outcome in primary serous ovarian cancer (POC) for complete tumor resection (CTR) and evaluate the preoperative CA-125 levels with other vital clinical dynamics such as ascites, lymph node involvement, diffuse peritoneal carcinomatosis, grading and staging. PATIENTS AND METHODS: A cohort of 277 POC-patients aged 18-75 years, who had undergone primary cytoreductive surgery at the Department of Gynecology & Oncological Surgery, Charité, Campus Virchow Klinikum (CVK) between 2000 und 2009 was analyzed in correlation with the preoperative CA-125 values...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28551656/assessments-of-neoadjuvant-hormone-therapy-followed-by-robotic-assisted-radical-prostatectomy-for-intermediate-and-high-risk-prostate-cancer
#12
Ju-Chuan Hu, Sheng-Chun Hung, Yen-Chuan Ou
BACKGROUND/AIM: It is still unclear whether neoadjuvant hormone therapy (NHT) followed by radical prostatectomy is the best treatment option for advanced prostate cancer. This study aimed to evaluate the benefits of NHT followed by robotic-assisted laparoscopic radical prostatectomy (RaLP) in locally advanced prostate cancer. PATIENTS AND METHODS: This study included 48 patients that had received NHT prior to RaLP by a single surgeon. The control group was selected using computerized 1:1 ratio matching...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28551632/the-prognostic-value-of-the-immunohistochemical-expression-of-phosphorylated-rb-and-p16-proteins-in-association-with-cyclin-d1-and-the-p53-pathway-in-a-large-cohort-of-patients-with-breast-cancer-treated-with-taxane-based-adjuvant-chemotherapy
#13
Theofani Gavressea, Konstantine T Kalogeras, Georgia-Angeliki Koliou, Flora Zagouri, Georgios Lazaridis, Helen Gogas, Kostas Tsigaridas, Angelos Koutras, Kalliopi Petraki, Christos Markopoulos, Elissavet Pazarli, Gerasimos Aravantinos, Christos Papadimitriou, Pavlos Papakostas, Nektarios Koufopoulos, Charisios Karanikiotis, Sofia Chrisafi, Haralambos P Kalofonos, Dimitrios Pectasides, George Fountzilas, Kitty Pavlakis
BACKGROUND: The retinoblastoma (RB) gene is a tumor-suppressor gene that plays a central role in regulating the cell cycle. Inactivation of this gene is involved in breast cancer. PATIENTS AND METHODS: A total of 827 patients with breast cancer treated with taxane-based adjuvant chemotherapy were included in the study. Protein expression of RB, phosphorylated RB (pRB), p16, cyclin D1 and p53 was evaluated by immunohistochemistry. RESULTS: Neither of the retinoblastoma markers (RB and pRB) reached statistical significance in terms of their association with disease-free or overall survival...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28551548/quantitative-evaluation-of-atherosclerotic-plaques-and-intraplaque-neovascularization-using-contrast-enhanced-ultrasound-after-treatment-with-atorvastatin-in-rabbits
#14
Hong-Yu Liu, Jia Zhou, Hai Tong, Yan Tang, Xiao-Fang Wang, Qi-Chang Zhou
INTRODUCTION: This study is supposed to investigate the value of contrast-enhanced ultrasound (CEUS) in quantitative evaluation of atherosclerotic plaques and intraplaque neovascularization after treatment with atorvastatin (ATV) in rabbits. MATERIAL AND METHODS: Forty-five New Zealand white rabbits were enrolled to construct the rabbit model of AS. All rabbits were assigned into the control, AS group and ATV groups (n=15 individually). The AS plaque formation and relative parameters were observed and calculated by CEUS respectively...
May 25, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28551514/flower-like-in2o3-modified-by-reduced-graphene-oxide-sheets-serving-as-a-highly-sensitive-gas-sensor-for-trace-no2-detection
#15
Jie Liu, Shan Li, Bo Zhang, Yinglin Wang, Yuan Gao, Xishuang Liang, Yue Wang, Geyu Lu
In this work, we described gas sensors based on the materials composed of hierarchical flower-likeIn2O3 and reduced graphene oxide (rGO), which were fabricated by a facile one-step hydrothermal method. The rGO-In2O3 composites exhibited enhanced sensing performance towards NO2 through comparison with the pure In2O3 sample. The operating temperature can be tuned by the percentage of rGO in the composites. The sensor based on 5wt% rGO-In2O3 could work at room temperature with a high response value to 1ppm NO2...
May 18, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28551497/reuse-of-spent-fcc-catalyst-waste-serpentine-and-kiln-rollers-waste-for-synthesis-of-cordierite-and-cordierite-mullite-ceramics
#16
A Ramezani, S M Emami, S Nemat
Spent fluid catalytic cracking (FCC) was gathered from several petrochemical plants and calcined in a rotary furnace between 1000 and 1100°C in order to remove sulphur and hydrocarbon based impurities. Calcining process on FCC led to formation of AlVO4 ceramic phase, so converted the hazardous waste to non-hazardous applicable raw material. In this study, two ceramic bodies as cordierite and cordierite-mullite were synthesized with calcined spent FCC, waste serpentine, kiln rollers waste and high grade kaolin as raw materials...
May 17, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28551475/physiological-and-molecular-responses-in-tomato-under-different-forms-of-n-nutrition
#17
Antonio Lupini, Maria Polsia Princi, Fabrizio Araniti, Anthony J Miller, Francesco Sunseri, Maria Rosa Abenavoli
Urea is the most common nitrogen (N) fertilizer in agriculture, due to its cheaper price and high N content. Although the reciprocal influence between NO3(-) and NH4(+) nutrition are well known, urea (U) interactions with these N-inorganic forms are poorly studied. Here, the responses of two tomato genotypes to ammonium nitrate (AN), U alone or in combination were investigated. Significant differences in root and shoot biomass between genotypes were observed. Under AN+U supply, Linosa showed higher biomass compared to UC82, exhibiting also higher values for many root architectural traits...
May 21, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28551461/revisiting-the-value-of-competition-assays-in-folate-receptor-mediated-drug-delivery
#18
Steven K Jones, Anwesha Sarkar, Daniel P Feldmann, Peter Hoffmann, Olivia M Merkel
Polymeric nanoparticles have been studied for gene and drug delivery. These nanoparticles can be modified to utilize a targeted delivery approach to selectively deliver their payload to specific cells, while avoiding unwanted delivery to healthy cells. One commonly over-expressed receptor which can be targeted by ligand-conjugated nanoparticles is the folate receptor alpha (FRα). The ability to target FRα remains a promising concept, and therefore, understanding the binding dynamics of the receptor with the ligand of the nanoparticle therapeutic can provide valuable insight...
May 22, 2017: Biomaterials
https://www.readbyqxmd.com/read/28551413/applying-the-chicken-embryo-chorioallantoic-membrane-assay-to-study-treatment-approaches-in-urothelial-carcinoma
#19
Margaretha A Skowron, Anuja Sathe, Andrea Romano, Michèle J Hoffmann, Wolfgang A Schulz, Gommert A van Koeveringe, Peter Albers, Roman Nawroth, Günter Niegisch
BACKGROUND: Rapid development of novel treatment options demands valid preclinical screening models for urothelial carcinoma (UC). The translational value of high-throughput drug testing using 2-dimensional (2D) cultures is limited while for xenograft models handling efforts and costs often become prohibitive for larger-scale drug testing. Therefore, we investigated to which extent the chicken chorioallantoic membrane (CAM) assay might provide an alternative model to study antineoplastic treatment approaches for UC...
May 25, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28551316/impacts-of-3d-bone-to-implant-contact-and-implant-diameter-on-primary-stability-of-dental-implant
#20
Jui-Ting Hsu, Yen-Wen Shen, Chih-Wei Kuo, Ruei-Teng Wang, Lih-Jyh Fuh, Heng-Li Huang
BACKGROUND/PURPOSE: This study investigated the effects of three three-dimensional (3D) bone-to-implant contact (BIC) parameters-potential BIC area (pBICA), BIC area (BICA), and 3D BIC percentage (3D BIC%; defined as BICA divided by pBICA)-in relation to the implant diameter on primary implant stability, as well as their correlations were also evaluated. METHODS: Dental implants with diameters of 3.75, 4, 5, and 6 mm and artificial bone specimens were scanned by microcomputed tomography to construct 3D models for calculating pBICA, BICA, and 3D BIC%...
May 24, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
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