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https://www.readbyqxmd.com/read/28801708/characterizing-particulate-matter-exfiltration-estimates-for-alternative-cookstoves-in-a-village-like-household-in-rural-nepal
#1
Sutyajeet I Soneja, James M Tielsch, Subarna K Khatry, Benjamin Zaitchik, Frank C Curriero, Patrick N Breysse
Alternative stoves are an intervention option to reduce household air pollution. The amount of air pollution exiting homes when alternative stoves are utilized is not known. In this paper, particulate matter exfiltration estimates are presented for four types of alternative stoves within a village-like home, which was built to reflect the use of local materials and common size, in rural Nepal. Four alternative stoves with chimneys were examined, which included an alternative mud brick stove, original Envirofit G3355 model, manufacture altered Envirofit G3355, and locally altered Envirofit G3355...
August 11, 2017: Environmental Management
https://www.readbyqxmd.com/read/28780557/occupational-variation-in-incidence-of-bladder-cancer-a-comparison-of-population-representative-cohorts-from-nordic-countries-and-canada
#2
Kishor Hadkhale, Jill MacLeod, Paul A Demers, Jan Ivar Martinsen, Elisabete Weiderpass, Kristina Kjaerheim, Elsebeth Lynge, Pär Sparen, Laufey Tryggvadottir, M Anne Harris, Michael Tjepkema, Paul A Peters, Eero Pukkala
OBJECTIVES: The objective of this study was to compare occupational variation of the risk of bladder cancer in the Nordic countries and Canada. METHODS: In the Nordic Occupational Cancer study (NOCCA), 73 653 bladder cancer cases were observed during follow-up of 141.6 million person-years. In the Canadian Census Health and Environment Cohort (CanCHEC), 8170 cases were observed during the follow-up of 36.7 million person-years. Standardised incidence ratios with 95% CI were estimated for 53 occupations in the NOCCA cohort and HR with 95% CIs were estimated for 42 occupations in the CanCHEC...
August 4, 2017: BMJ Open
https://www.readbyqxmd.com/read/28755564/measurements-of-argon-39-at-the-u20az-underground-nuclear-explosion-site
#3
J I McIntyre, C E Aalseth, T R Alexander, H O Back, B J Bellgraph, T W Bowyer, V Chipman, M W Cooper, A R Day, S Drellack, M P Foxe, B G Fritz, J C Hayes, P Humble, M E Keillor, R R Kirkham, E J Krogstad, J D Lowrey, E K Mace, M F Mayer, B D Milbrath, A Misner, S M Morley, M E Panisko, K B Olsen, M D Ripplinger, A Seifert, R Suarez
Pacific Northwest National Laboratory reports on the detection of (39)Ar at the location of an underground nuclear explosion on the Nevada Nuclear Security Site. The presence of (39)Ar was not anticipated at the outset of the experimental campaign but results from this work demonstrated that it is present, along with (37)Ar and (85)Kr in the subsurface at the site of an underground nuclear explosion. Our analysis showed that by using state-of-the-art technology optimized for radioargon measurements, it was difficult to distinguish (39)Ar from the fission product (85)Kr...
July 26, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28754428/mid-term-results-of-chimney-and-periscope-grafts-in-supra-aortic-branches-in-high-risk-patients
#4
F Pecoraro, M Lachat, N S Cayne, D Pakeliani, Z Rancic, G Puippe, F J Criado, T Pfammatter, F J Veith, B Krüger, T A Neff
PURPOSE: Report mid-term outcomes of thoracic endovascular aneurysm repair (TEVAR) with chimney and periscope grafts (CPG) in supra-aortic branches (SAB). METHODS: Retrospective analysis, from October 2009 to May 2014, of patients with aneurysms requiring TEVAR with zone 0/1/2 proximal landing in association with at least one CPG in the SAB. All patients were considered at high risk for conventional surgery. Peri-operative mortality and morbidity, retrograde type A dissection, maximum aortic transverse diameter (TD) and its post-operative evolution, endoleak, survival, freedom from cardiovascular re-interventions, and CPG freedom from occlusion during the follow-up were analysed...
July 25, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28752088/electron-transfer-between-electrically-conductive-minerals-and-quinones
#5
Olga Taran
Long-distance electron transfer in marine environments couples physically separated redox half-reactions, impacting biogeochemical cycles of iron, sulfur and carbon. Bacterial bio-electrochemical systems that facilitate electron transfer via conductive filaments or across man-made electrodes are well-known, but the impact of abiotic currents across naturally occurring conductive and semiconductive minerals is poorly understood. In this paper I use cyclic voltammetry to explore electron transfer between electrodes made of common iron minerals (magnetite, hematite, pyrite, pyrrhotite, mackinawite, and greigite), and hydroquinones-a class of organic molecules found in carbon-rich sediments...
2017: Frontiers in Chemistry
https://www.readbyqxmd.com/read/28739454/parallel-grafts-used-in-combination-with-physician-modified-fenestrated-stent-grafts-for-complex-aortic-aneurysms-in-high-risk-patients-with-hostile-anatomies
#6
Joseph Touma, Dorian Verscheure, Marek Majewski, Pascal Desgranges, Frederic Cochennec
OBJECTIVE: To evaluate the feasibility and early outcomes of complex aortic aneurysm repair in high risk patients with hostile anatomies using both parallel stents and physician-modified stent-graft (PMSG) techniques to address the renovisceral arteries METHODS: Consecutive patients with complex suprarenal (SRA) and thoracoabdominal aortic aneurysms (TAAA) undergoing endovascular repair using combined parallel stents technique and PMSG between September 2013 and November 2015 were evaluated...
July 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28739452/-over-sirix-a-new-method-for-sizing-aortic-endografts-in-combination-with-the-chimney-grafts-early-experience-with-aortic-arch-disease
#7
Stefano Fazzini, Sonia Ronchey, Matteo Orrico, Ombretta Martinelli, Vittorio Alberti, Barbara Praquin, Nicola Mangialardi
BACKGROUND: large gutters after chimney procedures are one of the main causes of type I endoleak (EL-I). This study aims to evaluate a new tailored planning named "Over-SIRIX", based on Osirix Imaging Software, to choose the correct main graft oversizing in order to minimize EL-I incidence. METHODS: from 2008 to 2015, 34 patients were treated with parallel grafts for aortic arch diseases at our institution. The study included 22 patients with single stent and antegrade flow configuration; they were divided in two groups (PRE and POST "Over-SIRIX")...
July 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28724734/hydrothermal-vent-fields-discovered-in-the-southern-gulf-of-california-clarify-role-of-habitat-in-augmenting-regional-diversity
#8
Shana K Goffredi, Shannon Johnson, Verena Tunnicliffe, David Caress, David Clague, Elva Escobar, Lonny Lundsten, Jennifer B Paduan, Greg Rouse, Diana L Salcedo, Luis A Soto, Ronald Spelz-Madero, Robert Zierenberg, Robert Vrijenhoek
Hydrothermal vent communities are distributed along mid-ocean spreading ridges as isolated patches. While distance is a key factor influencing connectivity among sites, habitat characteristics are also critical. The Pescadero Basin (PB) and Alarcón Rise (AR) vent fields, recently discovered in the southern Gulf of California, are bounded by previously known vent localities (e.g. Guaymas Basin and 21° N East Pacific Rise); yet, the newly discovered vents differ markedly in substrata and vent fluid attributes...
July 26, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28702712/evaluation-of-the-anticonvulsant-effect-of-brilliant-blue-g-a-selective-p2x7-receptor-antagonist-in%C3%A2-the-iv-ptz-maximal-electroshock-and-6%C3%A2-hz-induced-seizure-tests-in-mice
#9
Dorota Nieoczym, Katarzyna Socała, Piotr Wlaź
Epilepsy is one of the most common neurological disorders which is diagnosed in around 65 million people worldwide. Clinically available antiepileptic drugs fail to control epileptic activity in about 30% of patients and they are merely symptomatic treatments and cannot cure or prevent epilepsy. There remains a need for searching new therapeutic strategies for epileptic disorders. The P2X7 receptor has been recently investigated as a new target in epilepsy treatment. Preclinical studies revealed that P2X7 receptor antagonists have anticonvulsant properties in some models of epilepsy...
July 12, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28697941/early-outcomes-of-the-conformable-stent-graft-for-acute-complicated-and-uncomplicated-type-b-aortic-dissection
#10
Ting Zhu, Yi Si, Yuan Fang, Bin Chen, Jue Yang, Junhao Jiang, Jianing Yue, Weiguo Fu
OBJECTIVE: The objective of this study was to evaluate the safety, efficacy, and outcomes of the conformable thoracic endograft (Conformable TAG Thoracic Endoprosthesis [CTAG]; W. L. Gore & Associates, Flagstaff, Ariz) for acute complicated and uncomplicated type B aortic dissection (TBAD). METHODS: Between February and October 2016, 52 consecutive patients with acute complicated or uncomplicated TBAD were treated with a CTAG device. We assessed safety, complications, and device conformability using intraoperative angiography and computed tomography angiography...
July 8, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28697379/efficacy-and-evaluation-of-environmental-management-system-to-control-sandfly-vector-of-kala-azar
#11
D S Dinesh, S Kumari, F Hassan, V Kumar, V P Singh, P Das
The established vector for visceral leishmaniasis, Phlebotomus argentipes (Diptera: Psychodidae) breeds inside the human dwellings and cattle shed under crevices at the base of the wall. P. argentipes was controlled by plastering the base of wall (9″height × 9″base). The study was conducted in two phases: (i) Screening of plastering materials (ii) validation of the most suitable material. During the first phase (2014); four intervention materials were evaluated in four different arms: (i) cement (ii) brick chimney fly ash (BCFA i...
July 8, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28689945/chimney-stent-graft-repair-for-concurrent-inferior-mesenteric-artery-aneurysm-and-infra-renal-abdominal-aortic-aneurysm-case-report
#12
Zhen Wei Choo, Zhiwen Joseph Lo, Chun Hai Tan, Sundeep Punamiya, Sriram Narayanan
PURPOSE: To report a rare case of concurrent inferior mesenteric aortic (IMA) aneurysm and infra-renal abdominal aortic aneurysm (AAA) with a novel indication for the use of chimney-stent graft technique in this patient. CASE REPORT: 82-year-old man with an asymptomatic 4.4-cm fusiform AAA and 3.6-cm IMA aneurysm, coupled with chronic occlusion of celiac artery (CA) and superior mesenteric artery (SMA) at the ostia, underwent endovascular repair of both aneurysms...
July 6, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28668275/midterm-outcomes-and-evolution-of-gutter-area-after-endovascular-aneurysm-repair-with-the-chimney-graft-procedure
#13
Hector W L de Beaufort, Elena Cellitti, Quirina M B de Ruiter, Michele Conti, Santi Trimarchi, Frans L Moll, Constantijn E V B Hazenberg, Joost A van Herwaarden
OBJECTIVE: The objective of this study was to describe our experience with endovascular aneurysm repair (EVAR) with the use of chimney grafts for branch vessel preservation. METHODS: Patients treated with a chimney graft procedure between October 2009 and May 2015 were included for analysis. Patients who were not considered eligible for open surgical repair or for conventional, branched, or fenestrated endovascular repair were selected. A standardized operating procedure with left brachial or axillary artery cutdown access for the chimney grafts and bilateral femoral artery cutdown access for the aortic main device was used...
June 28, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28662925/the-best-in%C3%A2-vitro-conditions-for-two-and-three-parallel-stenting-during-endovascular-aneurysm-repair
#14
Gaspar Mestres, Xavier Yugueros, Ana Apodaka, Rodrigo Urrea, Savino Pasquadibisceglie, Xavier Alomar, Vincent Riambau
OBJECTIVE: The aim of this study is to identify which endograft-parallel stent combinations and which degree of oversizing result in the most adequate fit in a juxtarenal abdominal aneurysmal neck, when using a double or triple parallel-stent (chimney) technique. METHODS: In vitro silicon, juxtarenal, abdominal aortic aneurysmal neck models of different diameters, with two and three side-branches (simulating both the renal and superior mesenteric arteries), were constructed...
June 26, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28659873/microbial-community-structure-of-deep-sea-hydrothermal-vents-on-the-ultraslow-spreading-southwest-indian-ridge
#15
Jian Ding, Yu Zhang, Han Wang, Huahua Jian, Hao Leng, Xiang Xiao
Southwest Indian Ridge (SWIR) is a typical oceanic ultraslow spreading ridge with intensive hydrothermal activities. The microbial communities in hydrothermal fields including primary producers to support the entire ecosystem by utilizing geochemical energy generated from rock-seawater interactions. Here we have examined the microbial community structures on four hydrothermal vents from SWIR, representing distinct characteristics in terms of temperature, pH and metal compositions, by using Illumina sequencing of the 16S small subunit ribosomal RNA (rRNA) genes, to correlate bacterial and archaeal populations with the nature of the vents influenced by ultraslow spreading features...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28655449/chimney-reconstruction-of-the-aortic-arch-in-the-norwood-procedure
#16
Satoshi Asada, Masaaki Yamagishi, Keiichi Itatani, Hitoshi Yaku
No abstract text is available yet for this article.
May 23, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28651454/chimney-technique-in-supra-aortic-branch-reconstruction-in-china-a-systematic-and-critical-review-of-chinese-published-experience
#17
Yang Zhao, Yawei Shi, Mian Wang, Jin Cui, Yitian Chen, Liang Zheng, Henghui Yin, Guangqi Chang
BACKGROUND: The chimney graft (CG) technique has been proposed as a complete endovascular supra-aortic branch reconstruction for aortic pathologies. Due to the rapid growth of thoracic endovascular aortic repair (TEVAR) in China, we aimed to investigate the current data of the CG technique in this most populous country. METHODS: Studies of supra-aortic branch reconstruction using the CG technique from Chinese centers were collected and analyzed. RESULTS: A total of 294 patients from Chinese centers who underwent TEVAR with CGs were included...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28647036/supra-aortic-interventions-for-endovascular-exclusion-of-the-entire-aortic-arch
#18
REVIEW
Terézia B Andrási, Marius Grossmann, Dieter Zenker, Bernhard C Danner, Friedrich A Schöndube
OBJECTIVE: Our aim was to analyze the outcomes of endovascular exclusion of the entire aortic arch (proximal landing in zone 0, distal landing in zone III or beyond, after Ishimaru) in which complete surgical debranching of the supra-aortic vessels (I), endovascular supra-aortic revascularization (chimney, fenestrated, or branched grafts) with partial surgical debranching (II), or total endovascular supra-aortic revascularization (III) was additionally performed. METHODS: Publications describing endovascular repair of the aortic arch (2000-2016) were systematically searched and reviewed...
July 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28630240/port-site-endometrioma-a-rare-cause-of-abdominal-wall-pain-following-laparoscopic-surgery
#19
Zohaib A Siddiqui, Fahd Husain, Zain Siddiqui, Midhat Siddiqui
Endometriomas are a rare cause of abdominal wall pain. We report a case of a port site endometrioma presenting with an umbilical swelling. The patient underwent a laparoscopy for pelvic endometriosis 6 months previously and presented with a swelling around her umbilical port site scar associated with cyclical pain during menses. Ultrasound scan reported a well-defined lesion in the umbilicus and MRI scanning excluded other pathology. As she was symptomatic, she underwent an exploration of the scar and excision of the endometrioma with resolution of her symptoms...
June 18, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28623101/a-good-chimney-requires-a-good-sweep
#20
EDITORIAL
Viktor Hraska, Ronald K Woods
No abstract text is available yet for this article.
May 25, 2017: Journal of Thoracic and Cardiovascular Surgery
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