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https://www.readbyqxmd.com/read/29131994/ph-dependent-kow-provides-new-insights-in-understanding-the-adsorption-mechanism-of-ionizable-organic-chemicals-on-carbonaceous-materials
#1
Hao Li, Yanbei Cao, Di Zhang, Bo Pan
The dominant adsorption mechanism of ionizable organic chemicals (IOCs) on carbonaceous materials is still unclear. This study used benzoic acid (BA), o-chlorobenzoic acid (2-CBA) and p-chlorobenzoic acid (4-CBA) as representatives of IOCs to investigate the dominant adsorption mechanism on graphene oxide (GO) and graphite (GP), with a specific emphasis on the impact of pH-dependent KOW. The order of apparent adsorption of the investigated chemicals changed with pH, which could not be explained by their constant KOW...
November 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29074476/epidemiology-of-imaging-detected-bone-stress-injuries-in-athletes-participating-in-the-rio-de-janeiro-2016-summer-olympics
#2
Daichi Hayashi, Mohamed Jarraya, Lars Engebretsen, Michel D Crema, Frank W Roemer, Abdalla Skaf, Ali Guermazi
BACKGROUND: Bone stress injuries are common in high-level athletics. AIM: To describe the demographics, frequency and anatomical location of stress injuries (ie, stress reaction and stress fractures) in athletes at the Rio de Janeiro 2016 Summer Olympic Games. METHODS: We recorded all sports injuries at the Rio de Janeiro 2016 Summer Olympics reported by the National Olympic Committee (NOC) medical teams and in the polyclinic and medical venues...
October 26, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29051166/epidemiology-of-imaging-detected-tendon-abnormalities-in-athletes-participating-in-the-rio-de-janeiro-2016-summer-olympics
#3
Mohamed Jarraya, Michel D Crema, Lars Engebretsen, Oleg M Teytelboym, Daichi Hayashi, Frank W Roemer, Abdalla Y Skaf, Ali Guermazi
BACKGROUND: Tendon abnormalities are prevalent among both elite and non-elite athletes. Cross-sectional imaging modalities are used to confirm and evaluate the severity of such lesions. AIM: To describe the demographics, prevalence, anatomical location and characteristics of tendon abnormalities in athletes who participated in the Rio de Janeiro 2016 Summer Olympic Games. METHODS: We recorded all sports injuries reported by the National Olympic Committee (NOC) medical teams and the Organizing Committee medical staff during the Rio 2016 Summer Olympics...
October 19, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28983930/safety-of-leucodepleted-salvaged-blood-in-oncological-surgery-an-in-vitro-model
#4
C Marraccini, L Merolle, P Berni, K Boito, I Tamagnini, E Kuhn, M Ragazzi, R Baricchi, T A Pertinhez
Intra-operative blood cell salvage (IOCS) is mainly avoided in onco surgery due to the suspicion that it could increase metastasis' risk. We simulated IOCS followed by leucodepletion: HCT116 (human colorectal cancer) cells were inoculated into packed red blood cells units, and their distribution was evaluated, step-by-step, by flow cytometry and immunohistochemistry. Most of HCT116 cells were lost during washing, and almost completely removed after filtration. IOCS plus leucodepletion could be of great advantage for oncological patients, where allogenic blood transfusion could influence tumour progression...
October 6, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28967955/intraoperative-pathologic-consultation-on-hysterectomy-specimens-for-endometrial-cancer-an-assessment-of-the-accuracy-of-frozen-sections-gross-only-evaluations-and-obtaining-random-sections-of-a-grossly-normal-endometrium
#5
MULTICENTER STUDY
Mohamed Mokhtar Desouki, Zaibo Li, Omar Hameed, Oluwole Fadare
Objectives: Pathologic intraoperative consultation (IOC) is a common approach for segregating the subset of patients with endometrial cancer who likely require a lymphadenectomy. Methods: We evaluate factors related to the performance and value of IOC, including the accuracy of frozen sections, "gross-only examinations," and obtaining random sections when a gross lesion is not apparent. Results: IOC was performed by gross examination only in 17 (8%) of 250 cases, the specificity and negative predictive value of which in diagnosing cancer were 100% and 85%, respectively...
October 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28959145/the-use-of-intraoperative-cell-salvage-in-urologic-oncology
#6
Matthew C Ferroni, Andres F Correa, Timothy D Lyon, Benjamin J Davies, Michael C Ost
Intraoperative cell salvage (IOCS) has been used in urologic surgery for over 20 years to manage intraoperative blood loss and effectively minimize the need for allogenic blood transfusion. Concerns about viability of transfused erythrocytes and potential dissemination of malignant cells have been addressed in the urologic literature. We present a comprehensive review of the use of IOCS in urologic oncologic surgery. IOCS has been shown to preserve the integrity of erythrocytes during processing and effectively provides cell filtration to mitigate the risk of tumor dissemination...
2017: Reviews in Urology
https://www.readbyqxmd.com/read/28954557/new-classification-system-for-indications-for-endoscopic-retrograde-cholangiopancreatography-predicts-diagnoses-and-adverse-events
#7
Nicholas Yuen, Pauline O'Shaughnessy, Andrew Thomson
BACKGROUND: Indications for endoscopic retrograde cholangiopancreatography (ERCP) have received little attention, especially in scientific or objective terms. AIM: To review the prevailing ERCP indications in the literature, and to propose and evaluate a new ERCP indication system, which relies on more objective pre-procedure parameters. METHODS: An analysis was conducted on 1758 consecutive ERCP procedures, in which contemporaneous use was made of an a-priori indication system...
September 28, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28951654/the-routine-use-of-cholangiography-for-laparoscopic-cholecystectomy-in-the-modern-era
#8
Evangelos S Photi, Ahmed El-Hadi, Stephanie Brown, Leyla Swafe, Sarah Ashford-Wilson, Jennifer Barwell, Imogen Koopmans, Michael P N Lewis
BACKGROUND AND OBJECTIVES: The use of routine versus selective intra-operative cholangiogram (IOC) for laparoscopic cholecystectomy (LC) remains an area of debate. In this study, we investigated the routine use of IOC in a single center, to determine whether it confers a reduced risk of common bile duct (CBD) injury and improved patient outcomes. We also identified several preoperative predictive factors for CBD stone detection on IOC to investigate the feasibility of a predictive model...
July 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/28947674/exercise-and-pregnancy-in-recreational-and-elite-athletes-2016-17-evidence-summary-from-the-ioc-expert-group-meeting-lausanne-part-4-recommendations-for-future-research
#9
Kari Bø, Raul Artal, Ruben Barakat, Wendy J Brown, Gregory A L Davies, Mike Dooley, Kelly R Evenson, Lene A H Haakstad, Bengt Kayser, Tarja I Kinnunen, Karin Larsén, Michelle F Mottola, Ingrid Nygaard, Mireille van Poppel, Britt Stuge, Karim M Khan
No abstract text is available yet for this article.
September 25, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28934741/successful-management-of-a-positive-air-leak-test-during-laparoscopic-colorectal-surgery
#10
Kazuhito Sasaki, Soichiro Ishihara, Hiroaki Nozawa, Kazushige Kawai, Keisuke Hata, Tomomichi Kiyomatsu, Toshiaki Tanaka, Takeshi Nishikawa, Kensuke Otani, Koji Yasuda, Koji Murono, Toshiaki Watanabe
BACKGROUND/AIMS: Anastomotic leakage remains the most serious complications of colorectal surgery. To prevent colorectal anastomotic leakage (CAL), an air leak test (ALT) with intraoperative colonoscopy (IOCS) is performed to detect mechanically insufficient colorectal anastomoses. The approaches to an intraoperative anastomotic air leak (IOAL) have not been fully investigated. This study aimed to clarify the safe management of an IOAL in laparoscopic colorectal surgery. METHODS: One hundred forty-eight consecutive patients who underwent laparoscopic resection with double-stapling technique (DST) anastomosis for left-sided colorectal cancer between April 2015 and June 2016 were included and retrospectively reviewed...
September 22, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28904270/comparison-of-chemicals-in-mainstream-smoke-in-heat-not-burn-tobacco-and-combustion-cigarettes
#11
Kanae Bekki, Yohei Inaba, Shigehisa Uchiyama, Naoki Kunugita
Because of the health effects of secondhand smoke, the Japanese government is trying to establish an effective law for total avoidance of secondhand smoke in indoor environments for tobacco-free Tokyo Olympic and Paralympic games 2020, as requested by the International Olympic Committee (IOC) and the World Health Organization (WHO). Meanwhile, Philip Morris International has begun selling a new heat-not-burn tobacco, iQOS, which it claims is designed not to produce secondhand smoke. There is little scientific data, however, of the hazards and toxicity of iQOS...
2017: Journal of UOEH
https://www.readbyqxmd.com/read/28899943/the-chromatin-remodeling-isw1a-complex-is-regulated-by-sumoylation
#12
Qingtang Shen, Nissrine Beyrouthy, Laura Matabishi-Bibi, Catherine Dargemont
The ISWI class of proteins consists of a family of chromatin remodeling ATPases that is ubiquitous in eukaryotes and predominantly functions to slide nucleosomes laterally. The yeast Saccharomyces cerevisiae Isw1 partners with several non-essential alternative subunits - Ioc2, Ioc3, or Ioc4 - to form two distinct complexes Isw1a and Isw1b. Besides its ATPase domain, Isw1 presents a C-terminal region formed by HAND, SANT, and SLIDE domains responsible for interaction with the Ioc proteins and optimal association of Isw1 to chromatin...
October 5, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28873748/chemical-quality-and-oxidative-stability-of-extra-virgin-olive-oils-from-san-juan-province-argentina
#13
Liliana N Ceci, Susana B Mattar, Amalia A Carelli
This study provides information about the chemical quality (quality indices, fatty acid profile, total polyphenols (PPs), tocopherols and pigments) and oxidative stability index (OSI) of virgin olive oils of Arbequina, Changlot Real and Coratina cultivars (San Juan province, Argentina). The influence of the cultivar and the effect of earlier harvest dates on the yields (OY), quality and OSI of the oils were also evaluated. All the oils were classified as extra virgin. The OY (L/100kg) averaged: Arbequina=13...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28853873/bioaccumulation-behavior-of-pharmaceuticals-and-personal-care-products-in-adult-zebrafish-danio-rerio-influence-of-physical-chemical-properties-and-biotransformation
#14
Fangfang Chen, Zhiyuan Gong, Barry C Kelly
The factors influencing bioaccumulation of pharmaceuticals and personal care products (PPCPs) in aquatic organisms are not well understood. The present study involved a comprehensive laboratory investigation to assess the bioaccumulation behavior of several PPCPs in adult zebrafish (Danio rerio). The studied PPCPs included several ionogenic organic compounds (IOCs) such as weak acids and weak bases. Experiments involved two exposure groups (high and low) and a control group, with a 6 day aqueous exposure, followed by a 7 day depuration phase under flow-through conditions...
October 3, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28839445/laparoscopic-ultrasonography-as-an-alternative-to-intraoperative-cholangiography-during-laparoscopic-cholecystectomy
#15
REVIEW
Alexandra Dili, Claude Bertrand
AIM: To assess the role of laparoscopic ultrasound (LUS) as a substitute for intraoperative cholangiography (IOC) during cholecystectomy. METHODS: We present a MEDLINE and PubMed literature search, having used the key-words "laparoscopic intraoperative ultrasound" and "laparoscopic cholecystectomy". All relevant English language publications from 2000 to 2016 were identified, with data extracted for the role of LUS in the anatomical delineation of the biliary tract, detection of common bile duct stones (CBDS), prevention or early detection of biliary duct injury (BDI), and incidental findings during laparoscopic cholecystectomy...
August 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28827314/international-olympic-committee-consensus-statement-on-pain-management-in-elite-athletes
#16
Brian Hainline, Wayne Derman, Alan Vernec, Richard Budgett, Masataka Deie, Jiří Dvořák, Chris Harle, Stanley A Herring, Mike McNamee, Willem Meeuwisse, G Lorimer Moseley, Bade Omololu, John Orchard, Andrew Pipe, Babette M Pluim, Johan Ræder, Christian Siebert, Mike Stewart, Mark Stuart, Judith A Turner, Mark Ware, David Zideman, Lars Engebretsen
Pain is a common problem among elite athletes and is frequently associated with sport injury. Both pain and injury interfere with the performance of elite athletes. There are currently no evidence-based or consensus-based guidelines for the management of pain in elite athletes. Typically, pain management consists of the provision of analgesics, rest and physical therapy. More appropriately, a treatment strategy should address all contributors to pain including underlying pathophysiology, biomechanical abnormalities and psychosocial issues, and should employ therapies providing optimal benefit and minimal harm...
September 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28825985/sorption-of-ionizable-and-ionic-organic-compounds-to-biochar-activated-carbon-and-other-carbonaceous-materials
#17
REVIEW
Melanie Kah, Gabriel Sigmund, Feng Xiao, Thilo Hofmann
The sorption of ionic and ionizable organic compounds (IOCs) (e.g., pharmaceuticals and pesticides) on carbonaceous materials plays an important role in governing the fate, transport and bioavailability of IOCs. The paradigms previously established for the sorption of neutral organic compounds do not always apply to IOCs and the importance of accounting for the particular sorption behavior of IOCs is being increasingly recognized. This review presents the current state of knowledge and summarizes the recent advances on the sorption of IOCs to carbonaceous sorbents...
November 1, 2017: Water Research
https://www.readbyqxmd.com/read/28816299/-application-of-intraoperative-cell-salvage-combined-with-leukocyte-depletion-filter-on-radical-nephrectomy-for-renal-carcinoma-with-inferior-vena-cava-tumor-thrombus-2-case-reports
#18
H Zeng, X Y Rong, X Q Zhang, X Y Guo
Intraoperative cell salvage (IOCS) has been widely used to reduce allogeneic blood transfusion and prevent blood transfusion related complications during surgery. However, due to the risk of transfusion related reaction, contamination, and immunological reaction, its use for tumor patients has been controversial and limited. To explore the feasibility of the application of IOCS in cancer patients, we reported 2 cases of renal cell carcinoma (RCC) with tumor embolism in IVC that underwent radical nephrectomy,and inferior caval venous thrombectomy receiving IOCS combined with leukocyte depletion filter (LDF) from August 2016 to November 2016 in our hospital...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28792194/laparoscopic-partial-nephrectomy-for-tumors-7cm-and-above-perioperative-outcomes
#19
Matvey Tsivian, Efrat Tsivian, Yury Stanevsky, Roman Bass, A Ami Sidi, Alexander Tsivian
PURPOSE: To assess and report the outcomes of laparoscopic partial nephrectomy )LPN) for T2 renal masses. MATERIALS AND METHODS: Retrospective review of patients undergoing LPN for clinically localized renal masses ≥7cm between the years 2005-2016. Descriptive analyses were generated for demographics, lesion characteristics, perioperative variables (operative time, warm ischemia time (WIT), estimated blood loss (EBL), intra-operative and post-operative complications (IOC and POC) and pathologic variables (pathology, subtype and Fuhrman grade)...
September 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28781893/routine-cysticotomy-and-flushing-of-the-cystic-duct-in-patients-with-low-risk-of-common-duct-stones-can-it-be-beneficial
#20
Piera Leon, Fabiola Giudici, Antonio Sciuto, Francesco Corcione
BACKGROUND: Gallstone disease affects 15-20% of the general population and up to 20% of these patients present common bile duct stones. AIM: This observational study reports our experience on routine cysticotomy and flushing of the cystic duct in patients with low risk of common duct stones. MATERIALS AND METHODS: We analyzed 731 patients who underwent laparoscopic cholecystectomy between September 2013 and September 2015. RESULTS: Patients were preoperatively stratified on the clinical risk; those presenting with low preoperative risk of common bile duct stones were referred to undergo laparoscopic cholecystectomy and routine cysticotomy with bile duct flushing...
2017: Minimally Invasive Surgery
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