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https://www.readbyqxmd.com/read/28631452/the-impact-of-the-anaesthetic-conserving-device-on-occupational-exposure-to-isoflurane-among-intensive-care-healthcare-professionals
#1
Jennifer Herzog-Niescery, Heike Vogelsang, Philipp Gude, Hans-Martin Seipp, Horst Bartz, Waldemar Uhl, Thomas P Weber, Martin Bellgardt
BACKGROUND: Use of Anesthetic Conserving Devices (ACD) for inhalational isoflurane sedation in intensive care units (ICU) has grown in recent years, and healthcare professionals are concerned about isoflurane pollution and exposure-related health risks. Real-time measurements to determine isoflurane exposure in ICU personnel during short-term patient care procedures and ACD handling have not yet been performed. METHODS: Isoflurane concentrations in the breathing zones of ICU staff (25 cm around the nose and mouth) were measured, by photoacoustic gas monitoring, during daily practice including tracheal suctioning, oral hygiene, body care, and patient positioning...
June 14, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28613975/activation-of-drd5-dopamine-receptor-d5-inhibits-tumor-growth-by-autophagic-cell-death
#2
Zhi Gen Leng, Shao Jian Lin, Ze Rui Wu, Yu Hang Guo, Lin Cai, Han Bing Shang, Hao Tang, Ya Jun Xue, Mei Qing Lou, Wenxiu Zhao, Wei-Dong Le, Wei Guo Zhao, Xun Zhang, Zhe Bao Wu
Dopamine agonists such as bromocriptine and cabergoline have been successfully used in the treatment of pituitary prolactinomas and other neuroendocrine tumors. However, their therapeutic mechanisms are not fully understood. In this study we demonstrated that DRD5 (dopamine receptor D5) agonists were potent inhibitors of pituitary tumor growth. We further found that DRD5 activation increased production of reactive oxygen species (ROS), inhibited the MTOR pathway, induced macroautophagy/autophagy, and led to autophagic cell death (ACD) in vitro and in vivo...
June 14, 2017: Autophagy
https://www.readbyqxmd.com/read/28611604/on-the-accuracy-of-in-vivo-ethanol-and-acetaldehyde-monitoring-a-key-tile-in-the-puzzle-of-acetaldehyde-as-a-neuroactive-agent
#3
REVIEW
Paolo Enrico, Marco Diana
Over the last 20 years researchers have explored the postulated role of acetaldehyde (ACD) as a mediator of some of the actions of ethanol (EtOH) in the central nervous system (CNS). However, efforts have been hampered mainly by the difficulty of directly measuring in vivo EtOH and ACD levels in the CNS and thus, our knowledge is based on indirect evidences. Although technically challenging, the development of reliable methods for in vivo measurement of ACD and EtOH is of paramount importance to solve the "puzzle of acetaldehyde as a neuroactive agent...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28600817/il17a-dependent-asymmetric-stem-cell-divisions-are-increased-in-human-psoriasis-a-mechanism-underlying-benign-hyperproliferation
#4
Alexandra Charruyer, Stephen Fong, Giselle Vitcov, Samuel Sklar, Leah Tabernik, Monica Taneja, Melinda Caputo, Catherine Soeung, Lili Yue, Yoshi Uchida, Sarah T Arron, Karen Horton, Robert Foster, Shigetoshi Sano, Jeffrey North, Ruby Ghadially
The balance between asymmetric and symmetric stem cell (SC) divisions is key to tissue homeostasis and dysregulation of this balance has been shown in cancers. We hypothesized that the balance between asymmetric SC divisions (ACDs) and symmetric cell divisions (SCDs) would be dysregulated in the benign hyperproliferation of psoriasis. We found that, whereas SCDs were increased in squamous cell carcinoma (SCC) (human and murine), ACDs were increased in the benign hyperproliferation of psoriasis (human and murine)...
June 10, 2017: Stem Cells
https://www.readbyqxmd.com/read/28599859/simultaneous-determination-of-the-lipophilicity-and-dissociation-constants-of-dialkyl-phosphinic-acids-by-negligible-depletion-hollow-fiber-membrane-protected-liquid-phase-microextraction
#5
Fengqiong Shi, Jingfu Liu
Determination of the physicochemical properties, especially the lipophilicity (expressed as the logarithm of distribution coefficient, log D) and dissociation constant (pKa), is of great importance in the early stage of environmental risk assessment for an ionizable compound without these data. Currently, the log D and pKa values of dialkyl phosphinic acids (DPAs), the environmental hydrolysates of aluminum dialkyl phosphinates (ADPs) that is one class of emerging phosphorus-containing flame retardants, are not available...
June 2, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28597120/long-term-prognostic-implications-of-myocardial-perfusion-imaging-in-octogenarians-an-all-comer-cohort-study
#6
Athanasios Katsikis, Athanasios Theodorakos, Vassiliki Manira, Spyridon Papaioannou, Genovefa Kolovou, Vassilios Voudris, Maria Koutelou
PURPOSE: Evaluation of the long-term prognostic value of myocardial perfusion imaging (MPI) in octogenarians. METHODS: Six hundred and twenty-nine octogenarians [51% previous myocardial infarction (MI) or revascularization] who underwent single-isotope MPI (78% (201)Tl, 22% (99m)Tc-tetrofosmin) with exercise (38% Bruce, 2% leg ergometry) or pharmacologic (58% adenosine, 2% dobutamine) stress were studied. All patients had LVEF determined by echocardiography within 1 month from MPI...
June 8, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28594903/the-role-of-bone-marrow-mesenchymal-stromal-cell-derivatives-in-skin-wound-healing-in-diabetic-mice
#7
Tomas de Mayo, Paulette Conget, Silvia Becerra-Bayona, Claudia L Sossa, Virgilio Galvis, Martha L Arango-Rodríguez
Mesenchymal stromal cells (MSCs) have shown to be a promising tool in cell therapies to treat different conditions. Several pre-clinical and clinical studies have proved that the transplantation of MSCs improves wound healing. Here, we compare the beneficial effects of mouse bone marrow-derived allogeneic MSCs (allo-mBM-MSCs) and their acelullar derivatives (allo-acd-mMSCs) on skin wound healing in Non-Obese Diabetic (NOD) mice. One dose of allo-mBM-MSCs (1×106 cells) or one dose of allo-acd-mMSCs (1X) were intradermally injected around wounds in 8-10 week old female NOD mice...
2017: PloS One
https://www.readbyqxmd.com/read/28588461/modulation-of-ethanol-metabolizing-enzymes-by-developmental-lead-exposure-effects-in-voluntary-ethanol-consumption
#8
Miriam B Virgolini, Mara S Mattalloni, Paula A Albrecht, Romina Deza-Ponzio, Liliana M Cancela
This review article provides evidence of the impact of the environmental contaminant lead (Pb) on the pattern of the motivational effects of ethanol (EtOH). To find a mechanism that explains this interaction, the focus of this review article is on central EtOH metabolism and the participating enzymes, as key factors in the modulation of brain acetaldehyde (ACD) accumulation and resulting effect on EtOH intake. Catalase (CAT) seems a good candidate for the shared mechanism between Pb and EtOH due to both its antioxidant and its brain EtOH-metabolizing properties...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28583370/prostaglandin-e2-stimulates-adaptive-il-22-production-and-promotes-allergic-contact-dermatitis
#9
Calum T Robb, Henry J McSorley, Jinju Lee, Tomohiro Aoki, Cunjing Yu, Siobhan Crittenden, Anne Astier, Jennifer M Felton, Nicholas Parkinson, Adane Ayele, Richard M Breyer, Stephen M Anderton, Shuh Narumiya, Adriano G Rossi, Sarah E Howie, Emma Guttman-Yassky, Richard B Weller, Chengcan Yao
BACKGROUND: Atopic dermatitis (AD) and allergic contact dermatitis (ACD) are both forms of eczema and are common inflammatory skin diseases with a central role of Th22-derived IL-22 in their pathogenesis. Although prostaglandin E2 (PGE2) is known to promote inflammation, little is known about its role in processes related to AD and ACD development, including IL-22 up-regulation. OBJECTIVES: To investigate whether PGE2 has a role in IL-22 induction and development of ACD, which has increased prevalence in patients with AD...
June 2, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28579750/refractive-predictability-in-eyes-with-intraocular-gas-tamponade-results-of-a-prospective-controlled-clinical-trial
#10
Lars Wagenfeld, Kristin Hermsdorf, Birthe Stemplewitz, Vasyl Druchkiv, Andreas Frings
PURPOSE: To determine the postoperative refractive error in eyes with intraocular gas tamponade in combined phacovitrectomy using a Z-haptic intraocular lens (IOL). METHODS: This prospective non-randomized case-control study compared patients with combined phacovitrectomy with or without intraocular gas tamponade to cataract surgery-only. The main outcome measure was the IOL power prediction error (PE). Secondary outcome measures were spherical equivalent, anterior chamber depth (ACD), and axial length...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28575457/characterizing-adult-cervical-deformity-and-disability-based-on-existing-cervical-and-adult-deformity-classification-schemes-at-presentation-and-following-correction
#11
Peter G Passias, Cyrus M Jalai, Justin S Smith, Virginie Lafage, Bassel G Diebo, Themistocles Protopsaltis, Gregory Poorman, Ubaraman Ramchandran, Hay Bess, Christopher I Shaffrey, Christopher P Ames, Frank Schwab
BACKGROUND: Adult cervical deformity (ACD) classifications have not been implemented in a prospective ACD population and in conjunction with adult spinal deformity (ASD) classifications. OBJECTIVE: To characterize cervical deformity type and malalignment with 2 classifications (Ames-ACD and Schwab-ASD). METHODS: Retrospective review of a prospective multicenter ACD database. Inclusion: patients ≥18 yr with pre- and postoperative radiographs...
May 30, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28568892/patch-testing-in-patients-with-suspected-cosmetic-dermatitis-a-retrospective-study
#12
Taru Garg, Soumya Agarwal, Ram Chander, Aashim Singh, Pravesh Yadav
BACKGROUND: Growing use of cosmetics has led to an increase in the incidence of allergic contact dermatitis (ACD) to cosmetics. Patch testing helps to confirm allergy to cosmetics and pinpoint the exact offending allergens. AIMS AND OBJECTIVES: The study aimed to find the frequency of positive patch test reactions in cases with suspected ACD to cosmetics, and the common allergens responsible for it. METHODS: This is a retrospective record-based study of 58 patients, with suspected ACD to cosmetics, who had undergone patch testing with Indian standard series and Indian cosmetic and fragrance series from January 2013 to December 2015...
June 1, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28567612/uncontrolled-delivery-of-liquid-volatile-anaesthetic-when-using-the-anaesthetic-conserving-device
#13
Igor Karnjuš, Dušan Mekiš, Miljenko Križmarić
During patient sedation with liquid volatile anaesthetic, some problems may occur through a process called auto-pumping, defined as an expansion of bubbles inside the syringe, which can lead to uncontrolled anaesthetic delivery. The study examined how the temperature of liquid volatile anaesthetics (sevoflurane and isoflurane) and the presence of gas bubbles in the syringe affect the occurrence of auto-pumping when using the anaesthetic conserving device (ACD, AnaConDa™, Sedana Medical, Uppsala, Sweden). Four different circumstances for each volatile anaesthetic were tested with a bench study: volatile anaesthetic at room temperature or precooled with and without the presence of gas bubbles in the syringe...
May 31, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28566710/massive-expansion-and-differential-evolution-of-small-heat-shock-proteins-with-wheat-triticum-aestivum-l-polyploidization
#14
Xiaoming Wang, Ruochen Wang, Chuang Ma, Xue Shi, Zhenshan Liu, Zhonghua Wang, Qixin Sun, Jun Cao, Shengbao Xu
Wheat (Triticum aestivum), one of the world's most important crops, is facing unprecedented challenges due to global warming. To evaluate the gene resources for heat adaptation in hexaploid wheat, small heat shock proteins (sHSPs), the key plant heat protection genes, were comprehensively analysed in wheat and related species. We found that the sHSPs of hexaploid wheat were massively expanded in A and B subgenomes with intrachromosomal duplications during polyploidization. These expanded sHSPs were under similar purifying selection and kept the expressional patterns with the original copies...
May 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28559547/comparison-of-ocular-biometric-measurements-between-a-new-swept-source-optical-coherence-tomography-and-a-common-optical-low-coherence-reflectometry
#15
Rongrong Gao, Hao Chen, Giacomo Savini, Yaxin Miao, Xiaorui Wang, Jing Yang, Weiqi Zhao, Qinmei Wang, Jinhai Huang
The purpose of the current study was to compare the measurements between a new optical biometer based on swept-source optical coherence tomography (SS-OCT), the OA-2000 (Tomey, Japan), and an optical biometer based on optical low coherence reflectometry (OLCR), the Lenstar (Haag-Streit, Switzerland). Ninety-nine eyes of 99 healthy subjects were included. The axial length (AL), central corneal thickness (CCT), anterior chamber depth (ACD), aqueous depth (AD), lens thickness (LT), keratometry (K) readings, including flat K (Kf), steep K (Ks), mean K (Km), astigmatism vectors J0, J45 at diameters of 2...
May 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28558764/elimination-of-plasmodium-falciparum-malaria-in-tajikistan
#16
Anatoly V Kondrashin, Azizullo S Sharipov, Dilshod S Kadamov, Saifuddin S Karimov, Elkhan Gasimov, Alla M Baranova, Lola F Morozova, Ekaterina V Stepanova, Natalia A Turbabina, Maria S Maksimova, Evgeny N Morozov
Malaria was eliminated in Tajikistan by the beginning of the 1960s. However, sporadic introduced cases of malaria occurred subsequently probably as a result of transmission from infected mosquito Anopheles flying over river the Punj from the border areas of Afghanistan. During the 1970s and 1980s local outbreaks of malaria were reported in the southern districts bordering Afghanistan. The malaria situation dramatically changed during the 1990s following armed conflict and civil unrest in the newly independent Tajikistan, which paralyzed health services including the malaria control activities and a large-scale malaria epidemic occurred with more than 400,000 malaria cases...
May 30, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28553874/clinical-significance-and-determinants-of-prompt-recruitment-collaterals-during-primary-percutaneous-coronary-intervention
#17
Ömer Şen, Samir Allahverdiyev, Mustafa Topuz, Ahmet Oytun Baykan, Fahrettin Oz, Mevlut Koç
BACKGROUND: Due to ischemic time delays from the chest pain occurrence in acute STEMI, prompt recruitment collaterals (PRCCs) to infarct related artery (IRA) are the major protective structures during this period. So, we aimed to investigate the clinical significance and determinants of PRCCs in acute STEMI patients. METHODS: A total of 1375 consecutive acute STEMI patients were prospectively enrolled in the study. The patients were divided in two groups, according to PRCCs to IRA; Rentrop≤1 were defined as inadequate collateral development (ICD) group and Rentrop≥2 defined as adequate collateral development (ACD) group...
May 29, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28550975/corneo-scleral-limbal-changes-following-short-term-soft-contact-lens-wear
#18
Alejandra Consejo, Maciej M Bartuzel, D Robert Iskander
PURPOSE: To assess whether short-term soft contact lens wear alters the anterior eye surface. METHODS: Twenty-two neophyte subjects wore soft contact lenses for a period of five hours. Topography based corneo-scleral limbal radius estimates were derived from height measurements acquired with a corneo-scleral profilometer. Additionally, central corneal thickness (CCT), anterior chamber depth (ACD), corneal curvature radius (R) and white-to-white (WTW) diameter were acquired with an OCT-assisted biometer...
May 24, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28546996/a-mutation-creating-an-upstream-initiation-codon-in-the-sox9-5-utr-causes-acampomelic-campomelic-dysplasia
#19
Anna E von Bohlen, Johann Böhm, Ramona Pop, Diana S Johnson, John Tolmie, Ralf Stücker, Deborah Morris-Rosendahl, Gerd Scherer
BACKGROUND: Campomelic dysplasia (CD) is a semilethal developmental disorder caused by mutations in and around SOX9. CD is characterized by multiple skeletal malformations including bending (campomelia) of long bones. Surviving patients frequently have the acampomelic form of CD (ACD). METHODS: This is a single case report on a patient with clinical and radiological features of ACD who has no mutation in the SOX9 protein-coding sequence nor a translocation with breakpoint in the SOX9 regulatory domain...
May 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/28541427/percutaneous-cannulation-for-cardiopulmonary-bypass-in-minimally-invasive-surgery-is-associated-with-reduced-groin-complications
#20
Alexandros Moschovas, Paulo A Amorim, Mariana Nold, Gloria Faerber, Mahmoud Diab, Tobias Buenger, Torsten Doenst
OBJECTIVES: Femoral cutdown is standard in most centres if groin cannulation is used for cardiopulmonary bypass in minimally invasive cardiac surgery (MICS). Arterial closure devices (ACDs) allow placement of larger cannulas percutaneously, but its benefit in MICS is unclear. We assessed our results with percutaneous groin cannulation using ACDs in comparison with conventional surgical access in patients undergoing MICS. METHODS: We reviewed 445 consecutive patients having undergone MICS between October 2010 and March 2015...
May 25, 2017: Interactive Cardiovascular and Thoracic Surgery
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