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https://www.readbyqxmd.com/read/28422408/prevention-of-the-osmotic-demyelination-syndrome-after-liver-transplantation-a-multidisciplinary-perspective
#1
J F Crismale, K A Meliambro, S DeMaria, D B Bronster, S Florman, T D Schiano
The osmotic demyelination syndrome (ODS) is a serious neurologic condition that occurs in the setting of rapid correction of hyponatremia. It presents with protean manifestations, from encephalopathy to the "locked-in" syndrome. ODS can complicate liver transplantation (LT), and its incidence may increase with the inclusion of serum sodium as a factor in the Model for End-Stage Liver Disease score. A comprehensive understanding of risk factors for the development of ODS in the setting of LT, along with recommendations to mitigate the risk of ODS, are necessary...
April 19, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28407533/determination-of-brusatol-in-plasma-and-tissues-by-lc-ms-method-and-its-application-to-a-pharmacokinetic-and-distribution-study-in-mice
#2
Nan Guo, Xiaoran Zhang, Fanlong Bu, Lei Wang, Zhanqi Cao, Chunmei Geng, Ruichen Guo, Dongmei Ren, Qing Wen
OBJECTIVES: The quassinoid brusatol, which can be isolated from Brucea javanica (L.) Merr., becomes popularly studied because of its anti-tumor activity. In order to further investigate brusatol and extend its applications, a sensitive analytical method for determination of brusatol in biological samples is essential. However, few methods had been reported until now. In this study, a highly sensitive and reproducible LC-MS method for simultaneous quantification of brusatol in mouse plasma and tissues was developed and validated...
April 4, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28406670/latent-difference-score-modeling-a-flexible-approach-for-studying-informant-discrepancies
#3
Amaranta de Haan, Peter Prinzie, Miranda Sentse, Joran Jongerling
The current study proposes a flexible approach to studying informant discrepancies: Latent Difference Scores modeling (LDS). The LDS approach is demonstrated using an empirical example in which associations between mother-adolescent and father-adolescent discrepant parenting perceptions, and concurrent and later adolescent externalizing behaviors, were investigated. Early adolescents (N = 477, aged 12-15 years), mothers (N = 470), and fathers (N = 440) filled out questionnaires about mothers' and fathers' parenting...
April 13, 2017: Psychological Assessment
https://www.readbyqxmd.com/read/28404199/bowel-function-after-laparoscopic-posterior-sutured-rectopexy-versus-ventral-mesh-rectopexy-for-rectal-prolapse-a-double-blind-randomised-single-centre-study
#4
Lilli Lundby, Lene H Iversen, Steen Buntzen, Pål Wara, Katrine Høyer, Søren Laurberg
BACKGROUND: Laparoscopic ventral mesh rectopexy for rectal prolapse has been widely used over the past decade to reduce postoperative functional bowel disorders. We aimed to compare changes in functional outcome 12 months after laparoscopic ventral mesh rectopexy versus laparoscopic posterior sutured rectopexy in patients with rectal prolapse. METHODS: In this double-blind, randomised trial, consecutive patients aged 18 years or older at a single centre in Denmark with full-thickness rectal prolapse were randomly assigned (1:1) to either laparoscopic ventral mesh rectopexy or laparoscopic posterior sutured rectopexy by drawing numbers from opaque envelopes, in blocks of four for patients with or without preoperative constipation...
December 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28390130/oral-diseases-a-14-year-experience-of-a-chilean-institution-with-a-systematic-review-from-eight-countries
#5
C Rivera, C Jones-Herrera, P Vargas, B Venegas, D Droguett
BACKGROUND: Retrospective studies to assess the distribution of oral diseases (ODs) are helpful in estimating the prevalence of oral diagnoses in the population, and thus help in preventive and curative services. Prevalence and frequency data for ODs are available from many countries, but information from Chile is scarce. MATERIAL AND METHODS: This study investigated the frequency of OD in a Chilean population. For this, we included all patients treated at the University of Talca (UTALCA, Chile) between 2001 and 2014...
April 8, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28373709/the-signs-of-antarctic-ozone-hole-recovery
#6
Jayanarayanan Kuttippurath, Prijitha J Nair
Absorption of solar radiation by stratospheric ozone affects atmospheric dynamics and chemistry, and sustains life on Earth by preventing harmful radiation from reaching the surface. Significant ozone losses due to increases in the abundances of ozone depleting substances (ODSs) were first observed in Antarctica in the 1980s. Losses deepened in following years but became nearly flat by around 2000, reflecting changes in global ODS emissions. Here we show robust evidence that Antarctic ozone has started to recover in both spring and summer, with a recovery signal identified in springtime ozone profile and total column measurements at 99% confidence for the first time...
April 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28365814/comparing-the-phenotypic-susceptibility-of-pelibuey-and-katahdin-female-lambs-against-natural-gastrointestinal-nematode-infections-under-hot-humid-tropical-conditions
#7
J G Palomo-Couoh, A J Aguilar-Caballero, J F J Torres-Acosta, R González-Garduño
This study compared the phenotypic susceptibility of Pelibuey and Katahdin female lambs against gastrointestinal nematodes (GINs) under grazing conditions in the hot humid tropics of Mexico. The study was performed during the rainy season (August to October, 2014). It included 27 Pelibuey and 12 Katahdin female lambs from 6 months of age and live weight of 21.0 ± 3.7 and 23.3 ± 3.6 kg, respectively. Lambs were reared free of GIN infection before the study. The study lasted 91 days. Animals were weighed and sampled (blood and feces) on days 0 and 28 and every 7 days onwards...
April 1, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28362517/long-term-functional-outcome-after-internal-delorme-s-procedure-for-obstructed-defecation-syndrome-and-the-role-of-postoperative-rehabilitation
#8
C A Leo, P Campennì, J D Hodgkinson, P Rossitti, F Digito, G De Carli, L D'Ambrosi, P Carducci, L Seriau, G Terrosu
PURPOSE: To evaluate long-term functional outcomes of Internal Delorme's Procedure (IDP) in patients refractory to conservative treatment for Obstructed Defecation Syndrome (ODS), and to compare those who received postoperative rehabilitation with those who did not. MATERIALS AND METHODS: All patients with ODS refractory to nonoperative therapy were identified across three regional pelvic floor referral hospitals, and IDP was performed. Postoperatively selected patients received biofeedback therapy...
March 31, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28359063/reimbursed-price-of-orphan-drugs-current-strategies-and-potential-improvements
#9
Pierpaolo Mincarone, Carlo Giacomo Leo, Saverio Sabina, Antonio Sarriá-Santamera, Domenica Taruscio, Pedro Guillermo Serrano-Aguilar, Panos Kanavos
The pricing and reimbursement policies for pharmaceuticals are relevant to balance timely and equitable access for all patients, financial sustainability, and reward for valuable innovation. The proliferation of high-cost specialty medicines is particularly true in rare diseases (RDs) where the pricing mechanism is characterised by a lack of transparency. This work provides an overall picture of current strategies for the definition of the reimbursed prices of orphan drugs (ODs) and highlights some potential improvements...
March 31, 2017: Public Health Genomics
https://www.readbyqxmd.com/read/28345918/direct-s0%C3%A2-t-excitation-of-a-conjugated-polymer-repeat-unit-unusual-spin-forbidden-transitions-probed-by-time-resolved-electron-paramagnetic-resonance-spectroscopy
#10
Deborah L Meyer, Florian Lombeck, Sven Huettner, Michael Sommer, Till Biskup
A detailed understanding of the electronic structure of semiconducting polymers and their building blocks is essential to develop efficient materials for organic electronics. (Time-resolved) electron paramagnetic resonance (EPR) is particularly suited to address these questions, allowing one to directly detect paramagnetic states and to reveal their spin-multiplicity, besides its clearly superior resolution compared to optical methods. We present here evidence for a direct S0→T optical excitation of distinct triplet states in the repeat unit of a conjugated polymer used in organic photovoltaics...
March 29, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28340233/increase-in-drug-overdose-deaths-involving-fentanyl-rhode-island-january-2012-march-2014
#11
Melissa C Mercado, Steven A Sumner, M Bridget Spelke, Michele K Bohm, David E Sugerman, Christina Stanley
Objective.:  This study identified sociodemographic, substance use, and multiple opioid prescriber and dispenser risk factors among drug overdose decedents in Rhode Island, in response to an increase in overdose deaths (ODs) involving fentanyl. Methods.:  This cross-sectional investigation comprised all ODs reviewed by Rhode Island's Office of the State Medical Examiners (OSME) during January 2012 to March 2014. Data for 536 decedents were abstracted from OSME's charts, death certificates, toxicology reports, and Prescription Monitoring Program (PMP) databases...
March 6, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28332299/the-use-of-on-line-sfe-sfc-ms-ms-to-analyze-disease-biomarkers-in-dried-serum-spots-compared-with-serum-analysis-using-lc-ms-ms
#12
Makoto Suzuki, Shin Nishiumi, Takashi Kobayashi, Arata Sakai, Yosuke Iwata, Takato Uchikata, Yoshihiro Izumi, Takeshi Azuma, Takeshi Bamba, Masaru Yoshida
RATIONALE: The analytical stability and throughput of biomarker assays based on dried serum spots (DSS) are strongly dependent on the extraction process and determination method. In the present study, an on-line system based on supercritical fluid extraction-supercritical fluid chromatography coupled with tandem mass spectrometry (SFE-SFC/MS/MS) was established for analyzing the levels of disease biomarkers in DSS. METHODS: The chromatographic conditions were investigated using the ODS-EP, diol, and SIL-100A columns...
March 23, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28321080/the-improvement-of-the-outcome-of-osmotic-demyelination-syndrome-by-plasma-exchange
#13
Saeko Kumon, Ryosuke Usui, Shinzo Kuzuhara, Kosaku Nitta, Minako Koike
A 71-year-old Japanese woman presented with progressive fatigue, lethargy, dysarthria and a gait disorder. Her laboratory data revealed hyponatremia (Na 101 mEq/L), and we started correcting her serum sodium level. Within a few days, she became comatose, bedridden, and was intubated. We diagnosed osmotic demyelination syndrome (ODS) and started performing plasma exchange (PE) on the 39th day of hospitalization. She fully recovered after starting PE, and was discharged on foot unassisted. PE can be a beneficial treatment in patients with chronic ODS...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28304122/comparative-study-of-magnetic-resonance-defaecography-and-evacuation-proctography-in-the-evaluation-of-obstructed-defaecation
#14
A Zafar, C Seretis, M Feretis, S Karandikar, S C Williams, M Goldstein, M Chapman
AIM: Obstructed defaecation syndrome (ODS) is a common condition of multifactorial aetiology and requires specialised evaluation. Accurate and reproducible pelvic floor imaging is imperative for multidisciplinary decision-making. Evacuation Proctography (EP) and Magnetic Resonance Defaecography (MRD) are the main imaging modalities used to assess dynamic pelvic floor function. The aim of this prospective study was to compare the findings and acceptability of MRD and EP in the same cohort of patients...
March 17, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28303068/high-dose-intravenous-pulse-steroid-therapy-for-optic-disc-swelling-and-subretinal-fluid-in-non-arteritic-anterior-ischemic-optic-neuropathy
#15
Kei Takayama, Hiroki Kaneko, Shu Kachi, Eimei Ra, Yasuki Ito, Hiroko Terasaki
Non-arteritic anterior ischemic optic neuropathy (NAION) is a disease with microvascular abnormality that causes acute optic disc swelling (ODS) and, in severe cases, subretinal fluid (SRF) accumulation. ODS causes compartment syndrome and subsequent axonal degeneration and loss of retinal ganglion cells by apoptosis. No treatment modalities have been effective, although some cases improved after the intake of oral systemic steroids. We reported a case of a 72-year-old man who was referred due to a visual defect in the right eye...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28285533/determination-of-diacetyl-in-beer-by-a-precolumn-derivatization-hplc-uv-method-using-4-2-3-dimethyl-6-quinoxalinyl-1-2-benzenediamine-as-a-derivatizing-reagent
#16
Ji-Yu Wang, Xin-Jie Wang, Xian Hui, Shui-Hong Hua, Heng Li, Wen-Yun Gao
Diacetyl is an important flavoring compound in many foods, especially in beer. In the present study, we developed and validated a new precolumn derivatization HPLC-UV method for the determination of diacetyl using 4-(2,3-dimethyl-6-quinoxalinyl)-1,2-benzenediamine as a novel derivatizing reagent. After derivatization with the reagent at a pH value 4.0 at ambient temperature for 10 min, diacetyl was analyzed on an ODS column and detected at 254 nm. The results show that the correlation coefficient of the method is 0...
March 21, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28259252/a-new-diterpenoid-alkaloid-isolated-from-delphinium-caeruleum
#17
Chao-Zhan Lin, Zhu-Jie Liu, Zeren-Dawa Bairi, Chen-Chen Zhu
The present study was designed to determine the chemical constituents of Delphinium caeruleum Jacq. ex Camb.. The chemical constituents were isolated and purified by column chromatography with silica gel, ODS, and Sephadex LH-20. Their structures were elucidated by IR, MS, and NMR. Ten compounds were obtained and identified as caerudelphinine A (1), lycoctonine (2), talitine B (3), talitine A (4), talitine C (5), tatsienine-V (6), d-magnoflorine (7), 2-trimethyl-ammonio-3-(3-indolyl) propionate (8), vakhmatine (9), and delatisine (10)...
January 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28258983/pharmacokinetics-and-tissue-distribution-of-4-5-dimethoxycanthin-6-one-and-its-major-metabolites-in-rats
#18
Xiaolei Miao, Junjun Wang, Yong Chen
4,5-Dimethoxycanthin-6-one and 5-hydroxy-4-methoxycanthin-6-one are the active ingredients of P. quassiodes. In the present work, a LC-MS/MS method was developed for the determination of 4,5-dimethoxycanthin-6-one and its major metabolites 5-hydroxy-4-methoxycanthin-6-one (M1) and 4-hydroxy-5-methoxycanthin-6-one (M2) in rat plasma and tissues, and applied to study their pharmacokinetics and tissue distribution after intramuscular administration of 4,5-dimethoxycanthin-6-one to rats. By protein precipitation with methanol for plasma samples and liquid-liquid extraction with ethyl acetate for tissue samples, the analytes were separated on an ODS C18 column with a mobile phase consisted of methanol and water (0...
May 30, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28243183/multidisciplinary-management-of-sexual-dysfunction-perineal-pain-and-elimination-dysfunction-in-a-woman-with-multiple-sclerosis
#19
Michela Miletta, Fabrizio Bogliatto, Leonardo Bacchio
BACKGROUND: Multiple sclerosis (MS) is a chronic disease that commonly affects young women and is associated with sexual dysfunction (SD) and lower anourogenital dysfunction, which affect quality of life. We evaluated the importance of an integrated multidisciplinary approach in the Lower Female Ano-Uro-Genital Network (LFAUGN) to manage a variety of complex symptoms. METHODS: A 40-year-old woman with MS and primary concerns about perineal pain and SD was treated by a trained midwife from the LFAUGN and a physical therapist after a multidisciplinary diagnostic process that included gynecologic evaluation for perineal pain and SD, physiatric assessment, urologic assessment for bladder retention (BR), and surgical examination for obstructed defecation syndrome (ODS)...
January 2017: International Journal of MS Care
https://www.readbyqxmd.com/read/28239064/theoretical-aspects-of-triacylglycerin-positional-isomer-separation-on-reverse-phase-high-performance-liquid-chromatography
#20
Tsugihiko Hirano, Keiichi Yokochi, Koretaro Takahashi
The purpose of the present study is to bear our hypothesis and to make a profound discussion on the theoretical aspects of triacylglycerin (TG) positional isomer separation on reverse phase high performance liquid chromatography (HPLC). Authentic triacid TG positional isomers and authentic diacid TG positional isomers were injected to a monomeric and polymeric HPLC. Relationship between TG molecular structure and those elution profiles were carefully analyzed. In polymeric column, thickness of the ODS chain is high compared to monomeric column...
February 24, 2017: Journal of Oleo Science
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