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https://www.readbyqxmd.com/read/28109210/surgical-repair-of-moderate-ischemic-mitral-regurgitation-a-systematic-review-and-meta-analysis
#1
Mahesh Anantha Narayanan, Saurabh Aggarwal, Yogesh N V Reddy, Venkata M Alla, Janani Baskaran, Arun Kanmanthareddy, Rakesh M Suri
Introduction Moderate mitral regurgitation (MR) of ischemic etiology has been associated with worse outcomes after coronary artery bypass grafting (CABG). Studies comparing concomitant mitral valve replacement/repair (MVR/Re) with CABG and standalone CABG have reported conflicting results. We performed a systematic review and meta-analysis of the published literature. Patients and Methods We searched using PubMed, Cochrane, EMBASE, CINAHL, and Google scholar databases from January 1960 to June 2016 for clinical trials comparing CABG to CABG + MVR/Re for moderate MR...
January 21, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28109205/haloterrigena-mahii-sp-nov-an-extreme-halophilic-archaeon-from-the-solar-saltern
#2
Jiun-Yan Ding, Sheng-Chung Chen, Mei-Chin Lai, Tsai-Ling Liao
A pleomorphic, gas vesicle containing, halophilic archaeon, designated strain H13T, was isolated from the solar saltern of the Western Salt Co., Chula Vista, California, USA. Cells of strain H13T were non-motile, rod-shaped and 3-10 μm in length. The optimum growth conditions were 3.5-5.0 M NaCl, 45-55 oC, and pH range of 6.5-8.2. The major polar lipids were C20C20 and C20C25 derivatives of phosphatidylglycerol (PG), phosphatidylglycerol phosphate methyl ester (PGP-Me) and disulfated diglycosyl diether-1 (S2-DGD-1)...
January 21, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28109142/-changes-and-role-evaluation-of-tnf-%C3%AE-and-il-1%C3%AE-in-lung-tissues-of-ards-mice
#3
Jianing Liang, Qianqian Zhou, Tianxiang Zhang, Xiaosu Wang, Liqiang Song
Objective To study the expression levels of TNF-α and IL-1β in the lung tissues of acute respiratory distress syndrome (ARDS) mice and their relationships with the severity of lung injury in the mice. Methods A mouse model of ARDS was induced by lipopolysaccharide (LPS). The morphological changes of lung tissue was observed by HE staining, and the lung injury score was calculated. Quantitative real-time PCR was employed to detect the mRNA expression levels of TNF-α and IL-1β in lung tissues and ELISA was performed to test the protein levels of TNF-α and IL-1β in bronchoalveolar lavage fluid (BALF)...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109140/-transplantation-of-bone-marrow-mesenchymal-stem-cell-improves-antioxidant-capacity-and-immune-activity-of-aging-model-rats
#4
Zhihong Wang, Yun Lin, Weimin Chen, Jin Shang, Tiannan Wei
Objective To investigate the impact of bone marrow mesenchymal stem cell (BMSC) transplantation on the antioxidant capacity and immune activity of aging rats induced by D-galactose. Methods Ten healthy male SD rats served as a control group (aged 2 months). To establish aging models, healthy SD rats were daily injected subcutaneously with D-galactose (400 mg/kg). Then the aging model rats were randomized into aging model group and BMSC group (ten rats in each group). The BMSC group was injected with 3×10(6) BMSCs via tail vein...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109139/-imiquimod-combined-with-dendritic-cell-vaccine-decreases-treg-proportion-and-enhances-anti-tumor-responses-in-mice-bearing-melanoma
#5
Shurong Ren, Qiubo Wang, Yanli Zhang, Cuixiu Lu, Ping Li, Yumei Li
Objective To investigate the therapeutic effect of Toll-like receptor 7 (TLR7) agonist imiquimod combined with dendritic cell (DC)-based tumor vaccine on melanoma in mice and the potential mechanism. Methods Melanoma-bearing mouse models were established by subcutanous injection of B16-OVA cells into C57BL/6 mice. DCs were isolated from mouse bone marrow and propagated in culture medium with recombinant mouse granulocyte-macrophage colony-stimulating factor (rmGM-CSF) and recombinant mouse interleukin-4 (rmIL-4)...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109132/echocardiographic-assessment-of-left-ventricular-function-in-healthy-horses-and-in-horses-with-heart-disease-using-pulsed-wave-tissue-doppler-imaging
#6
T R Koenig, K J Mitchell, C C Schwarzwald
BACKGROUND: Assessment of left ventricular (LV) function by tissue Doppler imaging (TDI) is not well established in horses with heart disease. OBJECTIVES: To describe the use of pulsed-wave (PW) TDI for the assessment of LV function, establish reference intervals, investigate effects of mitral regurgitation (MR), aortic regurgitation (AR), and primary myocardial disease (MD), and provide proof of concept for the use of PW TDI in Warmblood horses with heart disease...
January 21, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28109120/real-time-3-dimensional-echocardiographic-assessment-of-effective-regurgitant-orifice-area-in-dogs-with-myxomatous-mitral-valve-disease
#7
A Tidholm, A Bodegård-Westling, K Höglund, J Häggström, I Ljungvall
BACKGROUND: Effective regurgitant orifice area (EROA), calculated from the vena contracta width (VCW) as the narrowest portion of the proximal regurgitant jet, might be used to estimate severity of mitral regurgitation. However, this simplified assumption only holds when the EROA is circular, which might not be true in dogs with myxomatous mitral valve disease (MMVD). HYPOTHESIS: Effective regurgitant orifice area in dogs with MMVD is noncircular, and using color Doppler real-time 3-dimensional (RT3D) echocardiography, measured EROA in the en face view will be significantly different from calculated EROA...
January 21, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28109056/impact-of-completeness-of-revascularization-in-complex-coronary-artery-disease-as-measured-with-the-syntax-revascularization-index-an-seeds-substudy
#8
Bo Xu, Nicolas Bettinger, Changdong Guan, Björn Redfors, Yuejin Yang, Bao Li, Yaling Han, Xi Su, Zuyi Yuan, Philippe Généreux
OBJECTIVES: We sought to study whether the level of completeness of revascularization as measured by the SYNTAX revascularization index (SRI) independently predicts adverse ischemic events after percutaneous coronary intervention (PCI) with second-generation drug-eluting stents (DES). BACKGROUND: The SRI quantifies the proportion of revascularized myocardium. It has been shown to independently predict adverse ischemic events after PCI with first-generation DES. METHODS: Among 1,900 patients enrolled in a registry to evaluate safety and effectiveness of everolimus drug-eluting stent (SEEDS) for coronary revascularization, the SRI was calculated and available for 1,851 patients...
January 21, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28109043/angiographic-assessment-of-aortic-regurgitation-by-video-densitometry-in-the-setting-of-tavi-echocardiographic-and-clinical-correlates
#9
Mohammad Abdelghani, Hiroki Tateishi, Yosuke Miyazaki, Rafael Cavalcante, Osama I I Soliman, Jan G Tijssen, Robbert J de Winter, Jan Baan, Yoshinobu Onuma, Carlos M Campos, Rogério S Leite, José A Mangione, Alexandre Abizaid, Pedro A Lemos, Fabio S de Brito, Patrick W Serruys
OBJECTIVES: We sought to investigate a new angiographic method for aortic regurgitation (AR) severity assessment in the setting of transcatheter aortic valve implantation (TAVI). BACKGROUND: AR after TAVI is common but challenging to quantitate, especially in the cath-lab. METHODS: In 228 patients, AR was quantitated before and after TAVI by echocardiography and by video-densitometric analysis of aortograms. Contrast time-density curves for the aortic root (the reference region) and the left ventricular outflow tract, LVOT were generated...
January 21, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28109035/competitive-benzyl-cation-transfer-proton-transfer-collision-induced-mass-spectrometric-fragmentation-of-protonated-n-n-dibenzylaniline
#10
Ge Ma, Gongye Liu, Shanshan Shen, Yunfeng Chai, Lei Yue, Shunping Zhao, Yuanjiang Pan
Collision-induced dissociation of protonated N,N-dibenzylaniline was investigated by electrospray tandem mass spectrometry. Various fragmentation pathways were dominated by benzyl cation and proton transfer. Benzyl cation transfers from the initial site (nitrogen) to benzylic phenyl or aniline phenyl ring. The benzyl cations transfer to the two different sites and both result in the benzene loss combined with 1,3-H shift. In addition, after the benzyl cation transfers to the benzylic phenyl ring, 1,2-H shift and 1,4-H shift proceed competitively to trigger the diphenylmethane loss and aniline loss respectively...
January 21, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28109029/reproductive-performance-of-breeder-quails-fed-diets-supplemented-with-l-cysteine-coated-iron-oxide-nanoparticles
#11
H Mohammadi, A Farzinpour, A Vaziry
The objective of this study was to investigate the effects of L-cysteine-coated iron oxide nanoparticles on reproductive performance in breeder quails. The five treatment diets consisted of (i) negative control diet not supplemented with iron, (ii) positive control diet supplemented with 60 mg/kg of Fe3 O4 and (iii) experimental diets supplemented with 0.6, 6 and 60 mg/kg of L-cysteine-coated iron oxide nanoparticles. A total of 100 seven-day-old quail chicks were weighed and randomly placed to five groups of five replicate cages...
January 20, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28109002/value-of-ultrasonographic-features-for-assessing-malignant-potential-of-complex-cystic-breast-lesions
#12
Jin-Peng Yao, Yu-Zhi Hao, Qing Chang, Cheng-Yun Geng, Yu Chen, Wen-Peng Zhao, Yan Song, Xiang Zhou
OBJECTIVES: To assess the value of ultrasonography (US) features for determining the malignant potential of complex cystic lesions. METHODS: Seventy-nine complex cystic lesions were reviewed retrospectively. They were classified into four types according to US features in type I, the masses have a thick outer wall, thick internal septa, or both; in type II, the masses are an intracystic type with one or more discrete solid mural lesions within a cyst; in type III, the masses contain mixed cystic and solid components and are at least 50% cystic portion in a mass; in type IV, there are predominantly (at least 50%) solid masses with eccentric or central cystic foci...
January 21, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28109000/implementation-of-the-7th-edition-ajcc-staging-system-effects-on-staging-and-survival-for-pt1-melanoma-a-dutch-population-based-study
#13
C M C Oude Ophuis, M W J Louwman, D J Grünhagen, C Verhoef, A C J van Akkooi
: In the 7(th) edition of the AJCC staging system the mitotic rate criterion replaced Clark level to increase correct classification of high risk thin melanoma patients (pT1B). Additionally, sentinel node biopsy (SNB) was recommended for nodal staging for pT1B melanomas. AIM: to evaluate the effects on pT1 substaging and clinical implications in the national pT1 melanoma population. All pT1 melanomas diagnosed in the Netherlands between 2003-2014 were selected from the Netherlands Cancer Registry (IKNL)...
January 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28108996/physical-activity-and-risk-of-endometrial-cancer-in-the-norwegian-women-and-cancer-nowac-study
#14
Kristin B Borch, Elisabete Weiderpass, Tonje Braaten, Mie Jareid, Oxana A Gavrilyuk, Idlir Licaj
Few studies have investigated the association between endometrial cancer and physical activity (PA) using repeated measures of PA and different subtypes of endometrial cancer. We aimed to investigate the association between endometrial cancer and PA level at two points in time in women with different body mass index (BMI) profiles, and to calculate the population attributable fraction (PAF) of endometrial cancer for low PA levels. We included 82,759 women with complete information on PA at baseline in the Norwegian Women and Cancer Study; 52,370 had follow-up information on PA...
January 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28108984/a-proximal-straining-mesh-location-is-associated-with-de-novo-stress-urinary-incontinence-after-transobturator-mesh-procedures
#15
Wen-Chen Huang, Jenn-Ming Yang
OBJECTIVES: The purpose of this study was to explore the association between mesh location and de novo stress urinary incontinence (SUI) after transvaginal mesh procedures. METHODS: We retrospectively analyzed a database of women who had received transvaginal mesh procedures for stage III or greater cystocele according to the Pelvic Organ Prolapse Quantification system. Only data for women who neither reported SUI preoperatively nor had received concomitant anti-incontinence surgery were included for analyses...
January 21, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28108981/accuracy-of-sonographically-estimated-fetal-weight-near-delivery-in-pregnancies-complicated-with-diabetes-mellitus
#16
Amy M Valent, Tondra Newman, Sara Kritzer, Kristin Magner, Carri R Warshak
OBJECTIVES: The purpose of this study was to evaluate the accuracy of sonographic estimations of fetal weight (FW) and signed percent error between pregnant patients with and without diabetes mellitus (DM). METHODS: We conducted a retrospective cohort study of all singleton nonanomalous live births who delivered after 34 weeks and received a sonographic estimation of FW within 2 weeks of delivery at the University of Cincinnati Medical Center between 2008 and 2011...
January 21, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28108961/effects-of-negatively-and-positively-charged-ti-metal-surfaces-on-ceramic-coating-adhesion-and-cell-response
#17
Rodney Marcelo do Nascimento, Vanessa Rafaela de Carvalho, José Silvio Govone, Antônio Carlos Hernandes, Nilson Cristino da Cruz
This manuscript reports an evaluation of the effects of simple chemical-heat treatments on the deposition of different ceramic coatings, i.e., TiO2, CaTiO3 and CaP, on commercially pure titanium (cp-Ti) and Ti6Al4V and the influence of the coatings on cells interaction with the surfaces. The ceramic materials were prepared by the sol-gel method and the coating adhesion was analyzed by pull-off bending tests. The wettability of positively or negatively charged surfaces was characterized by contact angle measurements, which also enabled the calculation of the surface free energy through the polar-apolar liquids approach...
February 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28108921/heavy-metals-and-nutrients-carbon-nitrogen-and-phosphorus-in-sediments-relationships-to-land-uses-environmental-risks-and-management
#18
Yubao Li, Joselito M Arocena, Qiao Zhang, Ronald W Thring, Jianbing Li
Management of sediments in polluted rivers requires an inventory of sediment quantities as well as their nutrient and metal contents and the chemical forms of pollutants. We investigated the influence of three major land uses (i.e., orange plantation-OP, OP + residential + industrial-OPRI, and residential + industrial-RI) on the quality of surface sediments (0-20 cm below water/sediment interface) at the Sanyang Wetland (China). The total contents of metals (As, Cd, Cr, Cu, Ni, Pb, and Zn) and nutrients (C, N, and P) as well as metal speciation in sediments were examined...
January 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28108906/a-novel-marker-in-acute-central-serous-chorioretinopathy-thiol-disulfide-homeostasis
#19
Hasan Altinkaynak, Piraye Zeynep Kurkcuoglu, Mehtap Caglayan, Mücella Arıkan Yorgun, Nilay Yuksel, Pınar Kosekahya, Cemile Koca, Yasin Toklu
PURPOSE: The aim of this study was to compare dynamic thiol/disulfide homeostatic status in acute central serous chorioretinopathy (CSCR) patients by using a novel and automated assay determining dynamic thiol/disulfide homeostasis. METHODS: Fifty-one patients with acute CSCR (study group) and 65 healthy individuals (control group) were enrolled in this study. Diagnosis of acute CSCR was made clinically and using spectral-domain RTVue OCT (optical coherence tomography) (Optovue, Fremont, CA)...
January 21, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28108888/biofilm-phosphorus-uptake-capacity-as-a-tool-for-the-assessment-of-pollutant-effects-in-river-ecosystems
#20
Lorenzo Proia, Anna Romaní, Sergi Sabater
Biofilms are a key component in the nutrient removal from the water column. However, nutrient uptake by biofilms may be hampered by the occurrence of pollutants or other stressors. This study aimed: (i) to investigate the biofilm phosphorus (P) uptake capacity as a relevant process for the maintenance of fluvial water quality and (ii) to explore the sensitivity of this process to different chemical and environmental stressors. We conducted chamber experiments to test for the relevance of biofilm P uptake capacity (PUC) as a tool to detect effects of pollutants on river self-depuration...
January 21, 2017: Ecotoxicology
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