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2. Guide for Partial- and Full-Depth Pavement Recycling in California

Author

Jones, D., Louw, S., and Harvey, J.

Subjects
In-place pavement recycling, partial-depth recycling, full-depth recycling, cold central plant recycling
Abstract

This document has been prepared to guide practitioners on project investigation, recycling strategy selection, pavement structural design, environmental life cycle and life cycle cost assessment, mix design, and construction of in-place pavement recycling projects on flexible pavements in California. It provides information specific to California conditions to supplement the California Highway Design Manual (HDM), specification documents, and other available design guides.The main changes and updates to the 2017 version of the guide (UCPRC-GL-2017-04) include the following:• Updates to terminology used for in-place recycling• Updates to the project investigation chapter, including alignment with the new Caltrans site investigation guide, which was under review at the time of writing this guide• Updates throughout the guide to include cold central plant recycling (CCPR) • Inclusion of mechanistic-empirical design procedures (CalME) in the design chapter • Updates to the mix design chapter to align with the new California Test Method (CT-315) for mix design for partial depth recycling• Inclusion of a provisional laboratory procedure for mix designs for full-depth recycling with cement (FDR-C)• Updates to the construction chapter to align with recent specification changes

Published
2020

6. Full-Depth Recycling Study: Test Track Construction and First-Level Analysis of Phase 1 and Phase 2 HVS Testing, Forensic Investigation, and Phase 1 Laboratory Testing

Author

Jones, D., Louw, S., and Wu, R.

Subjects
Full-depth reclamation, full-depth recycling, FDR, foamed asphalt, foamed bitumen, portland cement
Abstract

This first-level report describes the first two phases of a study comparing the performance of four different full-depth pavement reclamation strategies, namely pulverization with no stabilization (FDR-NS), stabilization with foamed asphalt and portland cement (FDR-FA), stabilization with portland cement only (FDR-PC), and stabilization with engineered asphalt emulsion (FDR-EE). A literature review, the test track layout and design, stabilization and asphalt concrete mix designs, and test track construction are discussed, as well as the results of Heavy Vehicle Simulator (HVS) and preliminary laboratory testing, and a forensic investigation of the HVS test sections. A number of problems were experienced during construction of the FDR-PC and FDR-EE lanes on the test track and consequently only the FDR-NS and FDR-FA lanes and one section of the FDR-PC lane (5 percent measured cement content) were considered satisfactorily uniform for the purposes of HVS testing. The FDR-FA and FDR-PC sections performed very well under both dry and wet conditions, with testing under dry conditions terminated long before the terminal rut of 0.5 in. (12.5 mm) or average crack density of 0.75 ft/ft2 (2.5 m/m2 ) were reached (cracks were observed on the wet tests only). The two FDR-NS sections tested performed acceptably, with a section with thicker asphalt surfacing (0.4 ft [120 mm]) outperforming a section with thinner asphalt surfacing (0.2 ft [60 mm]) under both dry and wet conditions, as expected. Terminal rut was reached on both sections. No cracks were observed during dry tests, but cracking was severe after completion of the wet tests. Observations during a forensic investigation confirmed the measurements taken during HVS testing. The performance advantages of full-depth reclamation strategies that either use foamed asphalt with cement or cement only over those with no stabilization are clearly evident from the results. Additional laboratory and field testing is in progress to collect sufficient data for the development of mechanisticempirical design criteria (and revised gravel factors) for full-depth reclaimed pavements. However, there is sufficient evidence to show that pavements that are rehabilitated using full-depth reclamation strategies will satisfactorily withstand design traffic levels common in California. Rehabilitation using this approach offers additional advantages of speed of construction, minimal disruption to traffic, reuse of all materials, and does not require removal of material from the site. FDR with these stabilization approaches also effectively replaces extensively cracked existing asphalt layers, providing a new base and thus preventing the reflective cracking that is common in more traditional overlay projects. Future research should include life cycle cost analysis (LCCA) and environmental life cycle assessment (LCA) to compare FDR with overlay strategies for the range of pavement, climate and traffic conditions where the two strategies might be used. Future research on partial- and full-depth reclamation should be coordinated to facilitate consistent design and specification documentation, and to facilitate the preparation of a comprehensive guide covering all forms of pavement recycling.

Published
2016

11. Pavement Recycling: Literature Review on Shrinkage Crack Mitigation in Cement-Stabilized Pavement Layers

Author

Louw, S. and Jones, D.

Abstract

The California Department of Transportation (Caltrans) has been using full-depth reclamation (FDR) as a rehabilitation strategy since 2001. Most projects to date have used a combination of foamed asphalt and portland cement as the stabilizing agent. Recently, the increasing cost of asphalt binder coupled with the relatively complex mix-design procedure for foamed asphalt has generated interest in the use of portland cement alone as an alternative stabilizing agent, where appropriate. However, shrinkage cracking associated with the hydration and curing of the cement-stabilized layers remains a concern, especially with regard to crack reflection through asphalt concrete surfacings and the related problems caused by water ingress. Considerable research has been undertaken on crack mitigation, and a range of measures related to improved mix designs and construction practices have been implemented by road agencies. One of the most promising measures, used in conjunction with appropriate mix designs, is that of microcracking the cement-treated layer between 24 and 72 hours after construction. In theory, this action creates a fine network of cracks in the layer that limit or prevent the wider and more severe block cracks typical of cement-treated layers. Limited research to assess microcracking as a crack mitigation measure has been completed on a number of projects in Texas, Utah, and New Hampshire. Recommendations from these studies have been implemented by the Texas Department of Transportation and other state departments of transportation. Longer-term monitoring on a range of projects in Texas and other states has revealed that microcracking has not always been successful in preventing cracking, with some projects showing reflected transverse and block cracks in a relatively short time period, attributed to a number of factors including but not limited to cement spreading, method of curing, and interval between base construction and placement of surfacing. Discussions with researchers in Texas indicated that additional research is necessary to better understand the microcracking mechanism, and to identify the key factors influencing performance, including but not limited to aggregate properties, cement content, the time period before microcracking starts, layer moisture contents, roller weights and vibration settings, the number of roller passes, the field test methods and criteria to assess the degree of microcracking, and the effects of early opening to traffic. Early research into the use of “hybrid” stabilizers (cement with small amounts of asphalt emulsion, foamed asphalt, or synthetic polymer emulsions) indicates that these, in conjunction with appropriate mix designs, may further limit the severity of shrinkage cracks on projects that include cement-treated layers.

Published
2015

12. Rivaroxaban or aspirin for patent foramen ovale and embolic stroke of undetermined source: a prespecified subgroup analysis from the NAVIGATE ESUS trial

Author

Abdelhamid, N, Abdul Rahman, D, Abdul-Saheb, M, Abreu, P, Abroskina, M, Abu Ahmad, F, Accassat, S, Acciaresi, M, Adami, A, Ahmad, N, Ahmed, F, Alberto Hawkes, M, Alemseged, F, Ali, A, Altavilla, R, Alwis, L, Amarenco, P, Amaro, S, Amaya Sanchez, LE, Amelia Pinto, A, Ameriso, SF, Amin, H, Amino, T, Amjad, AK, Anagnostou, E, Andersen, G, Anderson, C, Anderson, DC, Andrea Falco, M, Andres Mackinnon, F, Andreu, D, Androulakis, M, Angel Gamero, M, Angel Saredo, G, Angeles Diaz, R, Angels Font, M, Anticoli, S, Arauz, A, Arauz Gongora, AA, Araya, P, Arenillas Lara, JF, Arias Rivas, S, Arnold, M, Augustin, S, Avelar, W, Azevedo, E, Babikian, V, Bacellar, A, Badalyan, K, Bae, HJ, Baez Martinez, EM, Bagelmann, H, Bailey, P, Bak, Z, Baker, M, Balazs, A, Baldaranov, D, Balogun, I, Balueva, T, Bankuti, Z, Bar, M, Baranowska, A, Bardutzky, J, Barker Trejo, S, Barlinn, J, Baronnet, F, Barroso, C, Barteys, M, Bartolottiova, T, Barulin, A, Bas, M, Bashir, S, Basile, V, Bathe-Peters, R, Bathula, R, Batista, C, Batur Caglayan, H, Baumgartner, P, Bazan, R, Bazhenova, O, Beaudry, M, Beer, J, Behnam, Y, Beilei, C, Beinlich, A, Bejot, Y, Belkin, A, Benavente, OR, Benjamin, A, Berardi, V, Bereczki, D, Berkowitz, SD, Berlingieri, J, Berrios, W, Berrouschot, J, Bhandari, M, Bhargavah, M, Bicker, H, Bicsak, T, Bilik, M, Bindila, D, Birchenall, J, Birnbaum, L, Black, T, Blacker, D, Blacquiere, D, Blanc-Labarre, C, Blank, C, Blazejewska-Hyzorek, B, Bloch, S, Bodiguel, E, Bogdanov, E, Boos, L, Borcsik, L, Bornstein, N, Bouly, S, Braga, G, Bragado, I, Bravi, MC, Brokalaki, C, Brola, W, Brouns, R, Bruce, D, Brzoska-Mizgalska, J, Buck, B, Buksinska-Lisik, M, Burke, J, Burn, M, Bustamante, G, Cabrejo, L, Cai, K, Cajaraville, S, Calejo, M, Calvet, D, Campillo, J, Campos Costa, E, Camps, P, Can Alaydin, H, Candeloro, E, Canepa, C, Cantu Brito, CG, Cappellari, M, Carcel, C, Cardona Portela, P, Cardoso, F, Carek, M, Carletti, M, Carlos Portilla, J, Caruso, P, Casado-Naranjo, I, Castellini, P, Castro, D, Castro Meira, F, Cavallini, A, Cayuela Caudevilla, N, Cenciarelli, S, Cereda, C, Cerrone, P, Chakrabarti, A, Chaloulos-Iakovidis, P, Chamorro, A, Chandrasena, D, Chang, DI, Che, C, Chembala, J, Chen, J, Chen, Z, Chen, T, Chen, H, Chen, X, Chen, G, Chen, L, Chen, S, Cheripelli, B, Chin, M, Chiquete Anaya, E, Chorazy, M, Christensen, H, Christensen, T, Christian, L, Chu, F, Chung, CS, Clark, W, Clarke, R, Claverie, S, Clemente Agostoni, E, Clissold, B, Coelho, J, Cohen, D, Colakoglu, S, Collas, D, Condurso, R, Connolly, SJ, Consoli, D, Constantin, C, Constantino Silva, AB, Contardo, L, Corlobe, A, Correia, M, Correia, C, Cortijo Garcia, E, Coull, B, Coutts, S, Coveney, S, Cras, P, Crols, R, Crozier, S, Csanyi, A, Csiba, L, Csontos, K, Csuha, R, Cui, L, Cunha, L, Curtze, S, Czerska, M, Czlonkowska, A, Czurko, M, Czuryszkiewicz, M, Dagnino, M, Dai, C, Daineko, A, Dalek, G, Damgaard, D, Danese, A, Dani, K, Danku, V, Dario Toledo, W, Dávalos, A, De Havenon, A, De Keyser, J, De Klippel, N, De La Torre, J, De Pauw, A, De Smedt, A, De Torres, R, De Vries Basson, MM, Dearborn, J, Deganutto, R, Degeorgia, M, Deguchi, I, Del Giudice, A, Delcourt, C, Delgado-Mederos, R, Della Marca, G, Delpont, B, Deltour, S, Demets, DL, Dennis, M, Desai, J, Devine, J, Dhollander, I, Di Mascio, MT, Diaconu, M, Diaz Otero, F, Dietzel, J, Diez-Tejedor, E, Ding, N, Ding, J, Diomedi, M, Dioszeghy, P, Distefano, M, Domigo, V, Dorodnicov, E, Dossi, D, Doubal, F, Druzenko, I, Du, P, Du, J, Duman, T, Duodu, Y, Dutta, D, Dylewicz, L, Eckstein, J, Ehrensperger, E, Ehrlich, S, Einer Allende, G, Elena Halac, B, Elyas, S, Endres, M, Engelbrecht, JM, Engelter, S, Epinat, M, Eren, F, Esbjornsson, M, Escribano, B, Escudero, I, Esisi, B, Essa, B, Esterbauer, M, Evans, N, Eveson, D, Fabio, S, Fang, L, Fanta, S, Fares, M, Fatar, M, Faust, K, Favate, A, Fazekas, F, Federica Denaro, M, Fedin, A, Felipe Amaya, P, Feng, J, Ferencova, K, Fernanda Gilli, M, Fernandez, MD, Fernandez Pirrone, PN, Fernandez Vera, J, Ferrari, J, Ferreira, A, Ferreira Junior, G, Fidler, M, Field, D, Field, T, Figueroa, C, Fiksa, J, Filipov, A, Firstenfeld, A, Fisch, L, Fischer, U, Fisselier, M, Fiszer, U, Fluri, F, Fortea, G, Fotherby, K, Fraczek, A, France, E, Freitas, G, Frey, S, Frick, M, Friedman, A, Friedrich, M, Frisullo, G, Fryze, W, Fuentes Gimeno, B, Fujigasaki, H, Fukuyama, K, Furlan, A, Furlanis, G, Furnace, J, Gabriel, M, Gabriel Reich, E, Gagliardi, RJ, Galati, F, Galli Giqueauk, E, Gallina, A, Gallinella, E, Gallo, J, Gangadharan, S, Gao, Y, Garcia Lopez, R, Garcia Pastor, A, Garcia Sanchez, SM, Garnauf, M, Garnier, P, Gasecki, D, Gasic, K, Gasiorek, K, Gasser, S, Gaugg, M, Gebreyohanns, M, Gebura, K, Geng, J, Geniz Clavijo, M, Georg Haeusler, K, Geran, R, Geremek, M, Gerocs, Z, Ghia, D, Giannandrea, D, Giatsidis, F, Gien Lopez, JA, Gil Nunez, A, Gimenez, L, Giralt, E, Glabinski, A, Gladstone, D, Gliem, M, Gluszkiewicz, M, Goddeau, R, Gogoleva, E, Gokce, M, Goldemund, D, Golikov, K, Gomes Neto, A, Gomez Schneider, M, Gomez-Choco, M, Gomis, M, Gongora-Rivera, JF, Gonysheva, Y, Gonzalez, L, Gonzalez Toledo, ME, Gottschal, M, Gozdzik, I, Grabowski, S, Graf, S, Green, D, Greer, D, Gregorio, T, Greisenegger, S, Greshnova, I, Griebe, M, Grzesik, M, Guan, J, Guarda, S, Gueguen, A, Guidoux, C, Guillermo Povedano, P, Guillon, B, Guiraudg, V, Gunathilagan, G, Guryanova, N, Gusev, V, Gustavo Persi, G, Gutiérrez, R, Guyler, P, Gyuker, N, Hachinski, V, Hajas, A, Hallevi, H, Hankey, G, Hankey, GJ, Hanouskova, L, Hao, L, Haraguchi, K, Haralur Sreekantaiah, Y, Haratz, S, Hargroves, D, Harkness, K, Harmel, P, Harrasser, M, Hart, RG, Harvey, M, Hasan, R, Hasegawa, Y, Hassan, A, Hattori, M, Hatzitolios, A, Hauk, M, Hayashi, T, Hayhoe, H, Hedna, VS, Heine, M, Held, V, Hellwig, S, Henkner, J, Henninger, N, Hermans, S, Hernandez, J, Herrero, D, Hervieu-Begue, M, Herzig, R, Hicken, L, Hieber, M, Hill, M, Hirose, M, Hobeanu, MC, Hobson, B, Hochstetter, M, Hoe Heo, J, Hoffmann, M, Holmstedt, C, Hon, P, Hong, KS, Honma, Y, Horev, A, Horgan, G, Horvath, L, Horvath, M, Hoyer, C, Huang, D, Huang, H, Huber, B, Huhtakangas, J, Hussain, M, Igarashi, S, Iglesias Mohedano, AM, Ignacio Tembl, J, Impellizzeri, M, Inanc, Y, Ioli, P, Irina Aniculaesei, A, Ishida, K, Itabashi, R, Iversen, H, Jagolino, A, Jakab, K, Jander, S, Janka, H, Jankovych, J, Jansen, J, Jasek, L, Javier Alet, M, Javor, L, Jin, X, Jing, P, Joachim, B, Joan Macleod, M, Johnson, M, Jose Martin, J, Joyner, C, Judit Szabo, K, Jun-Oconnell, A, Jura, R, Kaczorowska, B, Kadlcikova, J, Kahles, T, Kakaletsis, N, Kakuk, I, Kalinowska, K, Kaminska, K, Kaneko, C, Kanellos, I, Kapeller, P, Kapica-Topczewska, K, Karasz, O, Karlinski, M, Karlsson, JE, Kasa, K, Kashaeva, E, Kasner, SE, Kaste, M, Kasza, J, Katalin Iljicsov, A, Katsurayama, M, Kaur, S, Kawanishi, M, Kaygorodtseva, S, Ke, K, Kei, A, Keilitz, J, Kellner, J, Kelly, P, Kelly, S, Kemlink, D, Kerekgyarto, M, Keskinarkaus, I, Khairutdinova, D, Khanna, A, Khaw, A, Kholopov, M, Khoumri, C, Kirpicheva, S, Kirshner, H, Kitagawa, K, Kittner, S, Kivioja, R, Klein, F, Kleindorfer, D, Kleinig, T, Klivenyi, P, Knecht, S, Kobayashi, Y, Kobayashi, A, Koch, M, Koehler, L, Koivu, M, Kolianov, V, Koltsov, I, Kondo, T, Konkov, I, Kopecky, S, Korompoki, E, Korpela, J, Kosarz-Lanczek, K, Koutroubi, A, Kovacs, K, Kovacs, T, Kovacs, H, Kowalczyk, K, Kowalska, M, Krajickova, D, Kral, M, Krarup Hansen, C, Kraska, J, Krebs, S, Krejci, V, Kremer, C, Kreuzpointer, R, Krzyzanowska, M, Kucken, D, Kulakowska, A, Kunzmann, J, Kurenkova, N, Kuris, A, Kurkowska-Jastrzebska, I, Kurtenkova, N, Kurushina, O, Kusnick, G, Kustova, M, Kuwashiro, T, Kwan Cha, J, Lago, A, Lagutenko, M, Lajos, B, Lambeck, J, Lamy, C, Landolfi, A, Lanfranconi, S, Lang, W, Lara Lezama, LB, Lara Rodriguez, B, Largo, T, Lasek-Bal, A, Latte, L, Lauer, V, Lavados, P, Le Bouc, R, Leal Cantu, R, Lechner, H, Lecouturier, K, Leder, S, Lee, J, Lee, BC, Leger, A, Leira, E, Leisse, I, Leker, R, Lembo, G, Lenskaya, L, Leyden, J, Li, G, Li, M, Li, S, Li, J, Liamis, G, Liang, H, Liang, Z, Ligot, N, Lin, H, Lindert, R, Lindgren, A, Linna, M, Litwin, T, Liu, K, Liu, X, Llull, L, Lohninger, B, Longoni, M, Loomis, C, Lopes, D, Lopez Fernandez, M, Lopez Garza, N, Lord, A, Louw, S, Lovasz, R, Lowenkopf, T, Lu, Z, Lubke-Detring, SC, Luder, R, Lujan, S, Luo, B, Lupinogina, L, Luschin, G, Lutsep, H, Lvova, A, Ly, J, Grosse, G.M., Ma, H, Ma, C, Machado, M, Machado, C, Macher, S, Machetanz, J, Macian-Montoro, F, Mackey, E, Mackey, A, Maclean, G, Maestre-Moreno, J, Magadan, A, Magyar, T, Mahagney, A, Majid, A, Majjhoo, A, Makaritsis, K, Mandzia, J, Mangas Guijarro, M, Mangion, D, Manios, E, Mann, S, Manning, L, Manno, C, Manuel Garcia, J, Maqueda, V, Mar Castellanos, M, Mar Freijo, M, Marando, C, Marcela Lepera, S, Marcos Couto, J, Maria Bruera, G, Maria Greco, L, Maria Lorenzo, A, Maria Obmann, S, Maria Roa, A, Marini, C, Marinkovic, I, Mario Sumay, G, Mario Torres, C, Marko, M, Markova, S, Markus, H, Marsh, R, Marsili, E, Marta Esnaola, M, Marta Moreno, J, Marti-Fabregas, J, Martina Angelocola, S, Martínez Sánchez, P, Martinez-Majander, N, Martins, S, Marzelik, O, Mastrocola, S, Matamala, G, Matoltsy, A, Matosevic, B, Matsumoto, S, Maud, A, Mauri Cabdevila, G, May, Z, Mayasi, Y, Mayr, A, Mazzoli, T, Mcarthur, K, Mccullough, L, Medina Pech, CE, Medlin, F, Mehdiratta, M, Mehta, S, Mehta, D, Mehta, B, Melis, M, Melnikova, E, Mendez, B, Mendonca, T, Mengual Chirifie, JJ, Menon, N, Mensch, A, Meseguer, E, Messe, S, Metcalf, K, Meyer, N, Michas, F, Micheletti, N, Mikulik, R, Milionis, H, Miller, B, Milling, T, Minelli, C, Minhas, J, Minns, M, Mircea, D, Mishra, S, Mismas, A, Mistri, A, Mitrovic, N, Miyake, H, Modrau, B, Moey, A, Molina, C, Molina, J, Molis, A, Moller, J, Molnar, S, Moniche, F, Monosi, C, Monzani, V, Moonis, M, Morais, R, Morales, L, Morales, A, Morar-Precup, D, Moreton, F, Moro, C, Morozova, E, Morton, M, Morvan, T, Morvan, E, Motko, T, Mowla, A, Mozhejko, E, Muddegowda, G, Mudhar, O, Mueller, T, Muhl, C, Muir, KW, Mundl, H, Munoz, S, Murphy, C, Murphy, S, Murtuzova, A, Musuka, T, Mutzenbach, J, Myint, M, Mysliwy, W, Naccarato, M, Naeije, G, Nagakane, Y, Natarajan, I, Navaratnam, D, Nave, A, Nazliel, B, Nedeltchev, K, Nel, J, Nell, H, Nemeth, R, Nemeth, L, Neto, O, Ng, K, Ngeh, J, Nicolas Chialvo, L, Nieminen, T, Nikkanen, M, Nikl, J, Nikoforova, M, Nishino, S, Nishiyama, Y, Njovane, X, Nogawa, S, Nombela, F, Norrving, B, Nosek, K, Nowak, B, Nowakowska-Sledz, E, Ntaios, G, Numminen, H, Nunez, F, Obadia, M, Oberndorfer, S, Obrezan, A, Ochiai, J, Oczkowski, W, O'Donnell, MJ, Odyniec, A, Oh, K, Ohira, M, Okamoto, Y, Okpala, M, Okubo, S, Olah, L, Olavarria, V, Oleszek, J, Onat Demirci, N, Ondar, V, Ongun, G, Ooyama, K, Orosz, V, Ortiz, R, Osseby, G, Österlund-Tauriala, E, Ovesen, C, Ozcekic Demirhan, S, Ozdoba-Rot, J, Ozturk, S, Ozyurt, E, Pablo Grecco, M, Pablo Povedano, G, Paciaroni, M, Padiglioni, C, Pagola, J, Palasik, W, Panczel, G, Panos, L, Papadopoulos, G, Papadopoulou, E, Papagiannis, A, Papavasileiou, V, Papina, M, Pardo De Donlebun, JR, Parisi, V, Park, JM, Pasten, J, Patel, N, Pavlik, O, Pawelczyk, M, Peacock, WF, Pei, H, Peisker, T, Pena Sedna, LF, Penn, A, Pentek, S, Pepper, E, Pereira, L, Perera, K, Perez, Y, Perez, S, Perez Leguizamon, P, Pernicka, M, Perry, R, Persico, A, Pesant, Y, Peska, S, Peters, D, Peters, G, Pettigrew, L, Phan, T, Philippi, S, Phinney, T, Pico, F, Pidal, A, Piechowski-Jozwiak, B, Pieroni, A, Pineiro, S, Piras, V, Pizova, N, Polanco, J, Polin, M, Polyakov, A, Polychronopoulou, E, Polymeris, A, Popov, D, Poppe, A, Postorino, P, Pozzerese, C, Pradhan, M, Prats, L, Prazdnichkova, E, Prendl, B, Pretorius, M, Profice, P, Prokopenko, S, Pudov, E, Pujol Lereis, V, Punzo Bravo, G, Purroy, F, Qiu, J, Qu, X, Quenardelle, V, Quesada Garcia, H, Radrizzani, L, Radtke, A, Raffelsberger, T, Ramirez Moreno, JM, Ramos-Estebanez, C, Rani, A, Rapantova, P, Rashed, K, Rasheed Nihara, A, Rasmussen, J, Redondo Robles, L, Reif, M, Reiner, P, Rekova, P, Renu, A, Repetto, M, Reyes, P, Reyes Morales, S, Rha, JH, Ribeiro, J, Ricci, S, Richard, C, Rigual, R, Rinaldi, C, Riveira Rodriguez, C, Rizzato, B, Robinson, TG, Rocco, A, Rodrigues, M, Rodriguez, G, Rodriguez Campello, A, Rodriguez Lucci, F, Rodriguez Yanez, M, Roesler, C, Roffe, C, Roine, R, Roine, S, Roldan, A, Romana Pezzella, F, Romano, M, Roos, JS, Rosso, C, Rostrup Kruuse, C, Roth, Y, Roukens, R, Roveri, L, Rozanski, D, Rozniecki, J, Rozsa, C, Rudilosso, S, Ruiz Ares, G, Ruiz Franco, A, Rum, G, Ruuskanen, J, Rybinnik, I, Ryota, K, Saarinen, J, Saavedra, V, Sabben, C, Sabet, A, Sagris, D, Sahlas, J, Sakai, N, Salamanca, P, Salgado, P, Salig, S, Salletmayr, T, Salnikov, M, Samoshkina, O, Samson, Y, Sanak, D, Sànchez Cerón, M, Santalucia, P, Santamaria Cadavid, M, Santiago, P, Santo, G, Sanz Cuesta, B, Sargento, J, Sarraj, A, Sas, K, Sas, A, Satoshi, O, Satsoglou, S, Sattar, N, Savitz, S, Savopoulos, C, Saw, J, Sawicka, M, Sawyer, R, Scandura, T, Schillinger, N, Schindler, J, Schlachetzki, F, Schneider, I, Schuppner, R, Schurig, J, Schwarzbach, CJ, Sebejova, M, Seidel, G, Sekaran, L, Selcuk, D, Selvarajah, J, Semerano, A, Semjen, J, Semushina, D, Sen, S, Seok Park, M, Serena, J, Serhat Tokgoz, O, Serles, W, Serrano, F, Sevin, M, Seynaeve, L, Shah, S, Shamalov, N, Shang, T, Sharma, M, Sharrief, A, Shazam Hussain, M, Shchukin, I, Shen, W, Shepeleva, E, Shinsuke, I, Shmonin, A, Shoamanesh, A, Shuaib, A, Shulga, A, Sibolt, G, Sibon, I, Sicilia, I, Siebert, M, Sieczkowska, E, Sila, C, Silva, AA, Silva, D, Silva, P, Silva, Y, Silvestrini, M, Simony, Z, Simpkins, A, Singh, B, Sinha, D, Sipos, I, Skoda, O, Skowron, P, Skowronska, M, Sliwinska, B, Slonkova, J, Smolkin, A, Smyth, A, Sobolewski, P, Sobota, A, Sohn, SI, Soldatov, M, Solganov, I, Soloveva, L, Solovyeva, E, Sonntag, N, Soors, P, Sorgun, M, Soriano, C, Spence, D, Spengos, K, Sposato, L, Staaf, G, Stadler, K, Stakhovskaya, L, Stamatelopoulos, K, Steinert, S, Stetkarova, I, Stiehm, M, Stocker, R, Stoinski, J, Stoll, A, Stotts, G, Stumpp, A, Sucapane, P, Suenaga, T, Sun, X, Sundararajan, S, Sung Kim, J, Suzuki, H, Svaneborg, N, Szasz, G, Szczuchniak, W, Szczyrba, S, Szegedi, N, Szekely, A, Szewczyk, Z, Szilagyi, G, Szlufik, S, Szoboszlai, K, Szpisjak, L, Sztajzel, R, Sztriha, L, Ta Wil, SE, Taggeselle, J, Takamatsu, K, Takao, M, Taki, W, Takizawa, S, Talahma, M, Tamayo, A, Tan, J, Tanne, D, Tapanainen, A, Tapiola, T, Tarasiuk, J, Tatlisumak, T, Tayal, A, Tcvetkova, S, Teal, P, Tejada Garcia, J, Tejada Meza, H, Tenora, D, Terceno, M, Terentiou, A, Tezcan, S, Thaler, D, Thomson, A, Thouvenot, E, Tiainen, M, Timberg, I, Timsit, S, Tinchon, A, Tirschwell, D, Togay Isikay, C, Tokunaga, K, Tolino, M, Toloza, C, Tomelleri, G, Tomoyuki, K, Tomppo, LM, Tong, Z, Tong, L, Toni, D, Torres, J, Tossavainen, C, Toth, G, Tountopoulou, A, Touze, E, Tovar, M, Toyoda, K, Trillo, S, Trommer, A, Tropepi, D, Tryambake, D, Tu, H, Tuetuencue, S, Tumova, R, Tumpula, O, Turc, G, Tutaj, A, Tynkkynen, J, Uchiyama, S, Uchwat, U, Uhrinyakova, L, Ulku Acar, R, Uluduz Ugurlu, D, Urra, X, Urui, S, Usero Ruiz, M, Vaclavik, D, Vahedi, K, Valikovics, A, Valpas, J, Van Acker, P, Van Daele, W, Vanderschueren, G, Vanina Jure, L, Varela, R, Varga, Z, Varvat, J, Varvyanskaya, N, Vasco Salgado, A, Vasko, P, Vass, L, Vassilopoulou, S, Vastagh, I, Vazquez, P, Vecsei, L, Veltkamp, R, Venti, M, Verdugo, M, Verocai, V, Veronica Marroquin, M, Veronica Simonsini, C, Veverka, T, Vigl, M, Vila, A, Vilar, C, Villanueva Osorio, JA, Virta, J, Vitkova, E, Voglsperger, B, Volna, J, Von Weitzel-Mudersbach, PA, Vora, N, Voznyuk, I, Wach-Klink, A, Wacongne, A, Walters, D, Wang, Y, Wang, J, Wang, L, Wang, X, Wang, W, Wang, N, Wang, D, Wang, H, Warnack, W, Wartenberg, K, Waters, R, Waters, M, Webb, T, Weber, J, Weiss, G, Weissenborn, K, Weitz, JI, Weller, B, Wen, G, Weng, G, Werner, P, Werring, D, Wester, P, Whiteley, W, Whiting, R, Wijeratne, T, Willems, C, Wilson, L, Wilson, C, Winder, T, Windt, J, Winkler, A, Winska-Tereszkiewicz, A, Wisniewska, A, Wittayer, M, Wlodek, A, Wojnarowska-Arendt, A, Wolf, M, Wolff, V, Wolter, C, Wong, A, Wook Nah, H, Worthmann, H, Wu, W, Wu, S, Wunderlich, S, Wurzinger, H, Wyse, DG, Xiao, B, Xiaopeng, W, Ximenez-Carrillo, A, Xiong, L, Xiong, Y, Xiong, W, Xu, Y, Xu, J, Xu, Z, Yalo, B, Yamada, T, Yamasaki, M, Yang, L, Yang, Y, Yang, X, Yang, Q, Yang, B, Yang, J, Yasuhiro, I, Yee Lam, M, Yegappan, C, Yip, S, Ylikallio, E, Ylikotila, P, Yongwon Jin, A, Yoon, BW, Yoshida, Y, Yperzeele, L, Yuan, H, Yuasa, H, Zalewska, J, Zanferrari, C, Zapata, E, Zboznovits, D, Zelenka, I, Zhang, C, Zhang, B, Zhang, S, Zhang, M, Zhang, X, Zhang, J, Zhao, L, Zhirnova, O, Zhou, L, Zielinska-Turek, J, Zinchenko, I, Ziomek, M, Zitzmann, A, Zweifler, R, Zwiernik, J, Kasner, Scott E, Swaminathan, Balakumar, Lavados, Pablo, Sharma, Mukul, Muir, Keith, Veltkamp, Roland, Ameriso, Sebastian F, Endres, Matthias, Lutsep, Helmi, Messé, Steven R, Spence, J David, Nedeltechev, Krassen, Perera, Kanjana, Santo, Gustavo, Olavarria, Veronica, Lindgren, Arne, Bangdiwala, Shrikant, Shoamanesh, Ashkan, Berkowitz, Scott D, Mundl, Hardi, Connolly, Stuart J, and Hart, Robert G

Published
2018
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13. Full-Depth Recycling Study: Test Track Construction and First Level Analysis of Phase 1 HVS and Laboratory Testing

Author

Jones, D., Wu, R., and Louw, S.

Abstract

This first-level report describes the first phase of a study comparing the performance of four different full-depth pavement reclamation strategies, namely pulverization with no stabilization (FDR-NS), stabilization with foamed asphalt and portland cement (FDR-FA), stabilization with portland cement only (FDR-PC), and stabilization with engineered asphalt emulsion (FDR-EE). A literature review, the test track layout and design, stabilization and asphalt concrete mix designs, and test track construction are discussed, as well as results of Heavy Vehicle Simulator (HVS) and laboratory testing. A number of problems were experienced during construction of the FDR-PC and FDR-EE lanes on the test track and consequently only the FDR-NS and FDR-FA lanes and one section of the FDR-PC lane (5 percent measured cement content) were considered satisfactorily uniform for the purposes of accelerated pavement testing. The FDR-FA and FDR-PC sections performed very well and testing on both was terminated long before the terminal rut of 0.5 in. (12.5 mm) or average crack density of 0.8 ft/ft2 (2.5 m/m2 ) were reached (no cracks were observed on either section). The two FDR-NS sections performed acceptably, with the section with the thicker asphalt surfacing (120 mm) outperforming the section with the thinner asphalt surfacing (60 mm), as expected. Terminal rut was reached on both sections, but no cracking was observed. The FDR-EE sections performed poorly, with terminal rut and terminal cracking both reached after a limited number of load repetitions. This poor performance was attributed to problems associated with construction, and consequently no conclusions can be drawn from the test results regarding this stabilization strategy. The advantages of using foamed asphalt with cement and cement only recycling strategies over recycling strategies with no stabilization are clearly evident from the results. A second phase of accelerated pavement testing, full-scale field testing, and additional laboratory testing are planned to collect sufficient data for the development of mechanistic-empirical design criteria (and revised gravel factors) for full-depth reclaimed pavements. However, there is sufficient evidence to show that pavements that are rehabilitated using full-depth reclamation strategies will satisfactorily withstand design traffic levels common in California. Rehabilitation using this approach is quick, has minimal disruption to traffic, reuses all materials, does not require removal of material from the site, and effectively replaces weak base layers, thus preventing reflective cracking that is common in more traditional overlay projects. Based on these conclusions, it is recommended that full-depth reclamation be promoted as an appropriate rehabilitation strategy in California. Future research on partial- and full-depth reclamation should be coordinated to facilitate consistent design and specification documentation, and to facilitate the preparation of a comprehensive guide covering all forms of pavement recycling.

Published
2014

14. Effect of Regular, Low-Dose, Extended-release Morphine on Chronic Breathlessness in Chronic Obstructive Pulmonary Disease: The BEAMS Randomized Clinical Trial

Author

Ekström, M, Ferreira, D, Chang, S, Louw, S, Johnson, MJ, Eckert, DJ, Fazekas, B, Clark, KJ, Agar, MR, Currow, DC, and Australian National Palliative Care Clinical Studies Collaborative

Subjects
Male, Pulmonary Disease, Chronic Obstructive, Dyspnea, Double-Blind Method, Morphine, General & Internal Medicine, Delayed-Action Preparations, Humans, Female, 11 Medical and Health Sciences, Aged
Abstract

IMPORTANCE: Chronic breathlessness is common in people with chronic obstructive pulmonary disease (COPD). Regular, low-dose, extended-release morphine may relieve breathlessness, but evidence about its efficacy and dosing is needed. OBJECTIVE: To determine the effect of different doses of extended-release morphine on worst breathlessness in people with COPD after 1 week of treatment. DESIGN, SETTING, AND PARTICIPANTS: Multicenter, double-blind, placebo-controlled randomized clinical trial including people with COPD and chronic breathlessness (defined as a modified Medical Research Council score of 3 to 4) conducted at 20 centers in Australia. People were enrolled between September 1, 2016, and November 20, 2019, and followed up through December 26, 2019. INTERVENTIONS: People were randomized 1:1:1 to 8 mg/d or 16 mg/d of oral extended-release morphine or placebo during week 1. At the start of weeks 2 and 3, people were randomized 1:1 to 8 mg/d of extended-release morphine, which was added to the prior week's dose, or placebo. MAIN OUTCOMES AND MEASURES: The primary outcome was change in the intensity of worst breathlessness on a numerical rating scale (score range, 0 [none] to 10 [being worst or most intense]) using the mean score at baseline (from days -3 to -1) to the mean score after week 1 of treatment (from days 5 to 7) in the 8 mg/d and 16 mg/d of extended-release morphine groups vs the placebo group. Secondary outcomes included change in daily step count measured using an actigraphy device from baseline (day -1) to the mean step count from week 3 (from days 19 to 21). RESULTS: Among the 160 people randomized, 156 were included in the primary analyses (median age, 72 years [IQR, 67 to 78 years]; 48% were women) and 138 (88%) completed treatment at week 1 (48 in the 8 mg/d of morphine group, 43 in the 16 mg/d of morphine group, and 47 in the placebo group). The change in the intensity of worst breathlessness at week 1 was not significantly different between the 8 mg/d of morphine group and the placebo group (mean difference, -0.3 [95% CI, -0.9 to 0.4]) or between the 16 mg/d of morphine group and the placebo group (mean difference, -0.3 [95%, CI, -1.0 to 0.4]). At week 3, the secondary outcome of change in mean daily step count was not significantly different between the 8 mg/d of morphine group and the placebo group (mean difference, -1453 [95% CI, -3310 to 405]), between the 16 mg/d of morphine group and the placebo group (mean difference, -1312 [95% CI, -3220 to 596]), between the 24 mg/d of morphine group and the placebo group (mean difference, -692 [95% CI, -2553 to 1170]), or between the 32 mg/d of morphine group and the placebo group (mean difference, -1924 [95% CI, -47 699 to 921]). CONCLUSIONS AND RELEVANCE: Among people with COPD and severe chronic breathlessness, daily low-dose, extended-release morphine did not significantly reduce the intensity of worst breathlessness after 1 week of treatment. These findings do not support the use of these doses of extended-release morphine to relieve breathlessness. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT02720822.

Published
2022

15. The effects of eucalyptus Eucalyptus globulus and oregano Origanum vulgare essential oils on anaesthesia response in a Namibian marine species, silver kob Argyrosomus inodorus

Author

Gabriel, N.N., Chikwililwa, C., Liswaniso, G.M., Louw, S., and Namwoonde, A.

Abstract

The anaesthetic effectiveness of separate and combined eucalyptus Eucalyptus globulus and oregano Origanum vulgare essential oils (EO) were investigated in silver kob Argyrosomus inodorus and were compared with clove oil Eugenia caryophyllata. Argyrosomus inodorus adults (595.61 [SE 11.82] g) were exposed to three concentrations of oregano EO (OEO: 25, 50 and 100 μl l−1), eucalyptus EO (EEO: 300, 500 and 600 μl l−1), and their mixtures (12.5 μl l−1 OEO to 150 μl l−1 EEO; 12.5 μl l−1 OEO to 300 μl l−1 EEO; 25 μl l−1 OEO to 150 μl l−1 EEO), with each fish treated as a replicate. Fish were also exposed to 40 μl l−1 of clove oil (CEO), which acted as a control. The two EOs and their mixtures proved to possess anaesthetic capacity in A. inodorus. Anaesthesia induction time (seconds) decreased with increased concentrations, whereas the inverse was reported for the recovery response. Only OEO qualified as an ideal anaesthetic agent for A. inodorus, especially 25 and 50 μl l−1, as the anaesthesia induction times with these concentrations were less than 180 s and recovery was within 300 s. It seems that EEO could achieve greater anaesthetic effectiveness only at a higher concentration (600 μl l−1) or when mixed with OEO (at 25 μl l−1 OEO to 150 μl l−1 EEO). This study introduces oregano as a promising anaesthetic in A. inodorus compared with clove oil and EEO. However, further evaluations are deemed necessary.&nbsp

Published
2022

18. Recommendations for the diagnosis and management of vaccine-induced immune thrombotic thrombocytopenia

Author

Jacobson, B. F., Schapkaitz, E., Mer, M., Louw, S., Haas, S., Buller, H. R., Brenner, B., Abdool-Carrim, A. T. O., de Jong, P., Hsu, P., Jankelow, D., Lebos, M., Levy, B., Radford, H., Rowji, P., Redman, L., Sussman, M., van der Jagt, D., Wessels, P. F., Williams, P. G., Vascular Medicine, and ACS - Pulmonary hypertension & thrombosis

Abstract

There have recently been safety concerns regarding an increased risk of vaccine-induced immune thrombotic thrombocytopenia (VITT) following administration of SARS-CoV-2 adenoviral vector vaccines. The Southern African Society of Thrombosis and Haemostasis reviewed the emerging literature on this idiosyncratic complication. A draft document was produced and revised by consensus agreement by a panel of professionals from various specialties. The recommendations were adjudicated by independent international experts to avoid local bias. We present concise, practical guidelines for the clinical management of VITT.

Published
2021

19. Predictors of Acute and Persisting Ischemic Brain Lesions in Patients Randomized to Carotid Stenting or Endarterectomy

Author

Rostamzadeh, Ayda, Zumbrunn, Thomas, Jongen, Lisa M., Nederkoorn, Paul J., Macdonald, Sumaira, Lyrer, Philippe A., Kappelle, L. Jaap, Mali, Willem P. Th. M., Brown, Martin M., van der Worp, H. Bart, Engelter, Stefan T., Bonati, Leo H., de Borst, G.J., de Kort, G.A.P., Jongen, L.M., Kappelle, L.J., Lo, T.H., Mali, W.P.Th.M., Moll, F.L., van der Worp, H.B., Bonati, L.H., Engelter, S.T., Fluri, F., Haller, S., Jacob, A.L., Kirsch, E., Lyrer, P.A., Radue, E.-W., Stierli, P., Wasner, M., Wetzel, S.G., Flach, H.Z., Hendriks, J.M., Koudstaal, P.J., Pattynama, P.M.T., van Dijk, L.C., van Sambeek, M.R.H.M., van der Lugt, A., van Urk, H., Verhagen, H.J.M., Clarke, M., Davis, M., Dixit, A.K., Dorman, P., Dyker, A., Ford, G., Golkar, A., Jackson, R., Jayakrishnan, V., Lambert, D., Lees, T., Louw, S., Macdonald, S., Mendelow, D., Rodgers, H., Rose, J., Stansby, G., Wyatt, M., Koelemaij, M.J.W., Majoie, C.B.L.M., Nederkoorn, P.J., Reekers, J.A.A., Roos, Y.B.W.E.M., Adiseshiah, M., Bishop, C., Brew, S., Brookes, J., Brown, M.M., Jäger, H.R., Kitchen, N., Beard, J., Cleveland, T., Dodd, D., Gaines, P.A., Lonsdale, R., Nair, R., Nassef, A., Nawaz, S., and Venables, G.

Published
2014
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24. Controlled-Release Oxycodone vs. Placebo in the Treatment of Chronic Breathlessness—A Multisite Randomized Placebo Controlled Trial

Author

Ferreira, DH, Louw, S, McCloud, P, Fazekas, B, McDonald, CF, Agar, MR, Clark, K, McCaffrey, N, Ekström, M, and Currow, DC

Subjects
Anesthesiology
Abstract

© 2019 American Academy of Hospice and Palliative Medicine Context: Chronic breathlessness is a clinical syndrome that results in significant distress and disability. Morphine can reduce chronic breathlessness when the contributing etiologies are optimally treated. Objectives: Does oxycodone reduce chronic breathlessness compared with placebo? Methods: A multisite, randomized, placebo-controlled, double-blind, parallel-arm, fixed-dose trial of oral controlled-release oxycodone 15 mg (5 mg, eight hourly) or placebo (ACTRN12609000806268 at www.anzctr.org.au). As-needed immediate-release morphine (2.5 mg per dose; six and less doses/day) was available for both arms as required by one ethics committee overseeing the trial. Recruitment occurred from 2010 to 2014 in 14 inpatient and outpatient respiratory, cardiology, and palliative care services across Australia. Participants were adults, with chronic breathlessness (modified Medical Research Council Scale 3 or 4), who were opioid naive. The primary end point was the proportion of people with greater than 15% reduction from baseline in the intensity of breathlessness now (0–100 mm visual analogue scale) comparing arms Days 5–7. Secondary end points were average and worst breathlessness, quality of life, function, and harms. Results: Of 157 participants randomized, 155 were included (74 oxycodone and 81 placebo), but the study did not reach target recruitment. There was difference in neither between groups for the primary outcome (P = 0.489) nor any of the prespecified secondary outcomes. Placebo participants used more as-needed morphine (mean 7.0 vs. 4.2 doses; P ≤ 0.001). Oxycodone participants reported more nausea (P < 0.001). Conclusion: There was no signal of benefit from oxycodone over placebo. Future research should focus on investigating the existence of an opioid class effect on the reduction of chronic breathlessness.

Published
2019

36. Sertraline in symptomatic chronic breathlessness: a double blind, randomised trial

Author

Currow, DC, Ekström, M, Louw, S, Hill, J, Fazekas, B, Clark, K, Davidson, PM, McDonald, C, Sajkov, D, McCaffrey, N, Doogue, M, Abernethy, AP, and Agar, M

Subjects
Respiratory System, respiratory system
Abstract

Copyright ©ERS 2019. Does sertraline provide symptomatic relief for chronic breathlessness in people with advanced disease whose underlying cause(s) are optimally treated?223 participants with chronic breathlessness (modified Medical Research Council breathlessness scale ≥2) who had optimal treatment of underlying cause(s) were randomised 1:1 to sertraline 25-100 mg (titrated upwards over 9 days) or placebo for 4 weeks. The primary outcome was the proportion who had an improvement in intensity of current breathlessness >15% from baseline on a 100-mm visual analogue scale.The proportion of people responding to sertraline was similar to placebo for current breathlessness on days 26-28 (OR 1.00, 95% CI 0.71-1.40) and for other measures of breathlessness. Quality of life in the sertraline arm had a higher likelihood of improving than in the placebo arm over the 4 weeks (OR 0.21, 95% CI 0.01-0.41; p=0.044). No differences in performance status, anxiety and depression, or survival were observed. Adverse event rates were similar between arms.Sertraline does not appear to provide any benefit over placebo in the symptomatic relief of chronic breathlessness in this patient population.

Published
2018

38. Van windharp tot selfoonkommunikasie

Author

Louw, S.

Subjects
My Selfoon Is in My Hand (Poetry collection) -- Pretorius, Wessel -- Book reviews, Books -- Book reviews, Languages and linguistics, Literature/writing
Abstract

Pretorius, Wessel. 2009. My selfoon is in my hand. Eshowe: Morris Press. 63 p. Prys: R99,00. ISBN: 978-0-9802685-1-5. In Woorde vir 'n windharp (1974, Pretoria: Perskor) skryf Pretorius: "... in [...]

Published
2009

39. Rivaroxaban for stroke prevention after embolic stroke of undetermined source

Author

Hart, Robert G, Sharma, Mukul, Mundl, Hardi, Kasner, Scott E, Bangdiwala, Shrikant I, Berkowitz, Scott D, Swaminathan, Balakumar, Lavados, Pablo, Wang, Yongjun, Wang, Yilong, Davalos, Antonio, Shamalov, Nikolay, Mikulik, Robert, Cunha, Luis, Lindgren, Arne, Arauz, Antonio, Lang, Wilfried, Czlonkowska, Anna, Eckstein, Jens, Gagliardi, Rubens J, Amarenco, Pierre, Ameriso, Sebastian F, Tatlisumak, Turgut, Veltkamp, Roland, Hankey, Graeme J, Toni, Danilo, Bereczki, Daniel, Uchiyama, Shinichiro, Ntaios, George, Yoon, Byung-Woo, Brouns, Raf, Endres, Matthias, Muir, Keith W, Bornstein, Natan, Ozturk, Serefnur, O'Donnell, Martin J, De Vries Basson, Matthys M, Pare, Guillaume, Pater, Calin, Kirsch, Bodo, Sheridan, Patrick, Peters, Gary, Weitz, Jeffrey I, Peacock, W Frank, Shoamanesh, Ashkan, Benavente, Oscar R, Joyner, Campbell, Themeles, Ellison, Connolly, Anderson DC, Stuart J., Demets, Dl, Kaste, M, Norrving, B, Wyse, Dg, Alet, M, Allende, G, Beinlich, A, Berrios, W, Bruera, G, Castro, D, Chialvo, L, Claverie, S, Contardo, L, Couto, J, Deganutto, R, Diaz, R, Dossi, D, Esnaola, M, Falco, M, Fernandez Pirrone, P, Ferrari, J, Firstenfeld, A, Galli Giqueauk, E, Gilli, M, Gonzalez, L, Gonzalez Toledo, M, Grecco, M, Halac, B, Hawkes, M, Ioli, P, Jure, L, Klein, F, Lepera, S, Lujan, S, Mackinnon, F, Marroquin, M, Martin, J, Parisi, V, Perez Leguizamon, P, Persi, G, Povedano, P, Povedano, G, Pujol Lereis, V, Radrizzani, L, Reich, E, Repetto, M, Rodriguez Lucci, F, Romano, M, Saredo, G, Schneider, M, Simonsini, C, Sumay, G, Thomson, A, Toledo, W, Torres, C, Vila, A, Abdul Rasheed, N, Anderson, C, Bailey, P, Blacker, D, Carcel, C, Clissold, B, Delcourt, C, Field, D, Gangadharan, S, Ghia, D, Kleinig, T, Leyden, J, Ly, J, Ma, H, Mackey, E, Mishra, S, Moey, A, Musuka, T, Pepper, E, Phan, T, Sabet, A, Saw, J, Singh, B, Tryambake, D, Tu, H, Wijeratne, T, Wong, A, Augustin, S, Esterbauer, M, Garnauf, M, Gasiorek, K, Gasser, S, Gaugg, M, Greisenegger, S, Harrasser, M, Heine, M, Huber, B, Joachim, B, Kapeller, P, Krebs, S, Kreuzpointer, R, Kunzmann, J, Lechner, H, Lohninger, B, Luschin, G, Macher, S, Marko, M, Matosevic, B, Mayr, A, Mismas, A, Mitrovic, N, Mutzenbach, J, Oberndorfer, S, Obmann, S, Raffelsberger, T, Roesler, C, Salletmayr, T, Serles, W, Stadler, K, Tinchon, A, Tolino, M, Verocai, V, Vigl, M, Voglsperger, B, Weber, J, Werner, P, Windt, J, Winkler, A, Wurzinger, H, Zelenka, I, Cras, P, Crols, R, De Keyser, J, De Klippel, N, De Pauw, A, De Smedt, A, Dhollander, I, Hermans, S, Ligot, N, Maqueda, V, Maqueda Maqueda, V, Naeije, G, Seynaeve, L, Soors, P, Van Daele, W, Vanacker, P, Vanderschueren, G, Willems, C, Yperzeele, L, Avelar, W, Bacellar, A, Batista, C, Bazan, R, Braga, G, Cardoso, F, Dagnino, M, Fabio, S, Ferreira Junior, G, Freitas, G, Friedrich, M, Gomes Neto, A, Guarda, S, Katsurayama, M, Machado, M, Martins, S, Meira, F, Minelli, C, Morais, R, Moro, C, Neto, O, Polin, M, Silva, D, Weiss, G, Basile, V, Beaudry, M, Berlingieri, J, Blacquiere, D, 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Clavijo, M, Gil Nunez, A, Giralt, E, Gomez-Choco, M, Gomis, M, Gutiérrez, R, Iglesias Mohedano, A, Lago, A, Lara Lezama, L, Lara Rodriguez, B, Llull, L, Lopez Fernandez, M, Lorenzo, A, Maestre-Moreno, J, Marta Moreno, J, Marti-Fabregas, J, Martínez Sánchez, P, Mauri Cabdevila, G, Mengual Chirifie, J, Molina, C, Molina, J, Moniche, F, Morales, L, Morales, A, Nombela, F, Núñez, F, Pagola, J, Perez, S, Portilla, J, Prats, L, Purroy, F, Quesada Garcia, H, Ramirez Moreno, J, Redondo Robles, L, Renu, A, Riveira Rodriguez, C, Roa, A, Rodriguez Campello, A, Rodriguez Pardo De Donlebun, J, Rodriguez Yanez, M, Rudilosso, S, Ruiz Ares, G, Sànchez Cerón, M, Santamaria Cadavid, M, Sanz Cuesta, B, Serena, J, Silva, Y, Soriano Soriano, C, Tejada Garcia, J, Tejada Meza, H, Tembl, J, Terceno, M, Trillo, S, Urra, X, Usero Ruiz, M, Vazquez, P, Vilar, C, Villanueva Osorio, J, Ximenez-Carrillo, A, Zapata, E, Esbjornsson, M, Karlsson, J, Kremer, C, Kuris, A, Staaf, G, Stiehm, M, Timberg, I, Tossavainen, C, Wester, P, Arnold, M, Baumgartner, P, Beer, J, Bicker, H, Boos, L, Cereda, C, Chaloulos-Iakovidis, P, Christian, L, Engelter, S, Fisch, L, Fischer, U, Frey, S, Frick, M, Hauk, M, Hoffmann, M, Kahles, T, Manno, C, Medlin, F, Mircea, D, Nedeltchev, K, Panos, L, Polymeris, A, Schillinger, N, Stocker, R, Sztajzel, R, Alaydin, H, Batur Caglayan, H, Colakoglu, S, Demirci, N, Duman, T, Eren, F, Gokce, M, Inanc, Y, Nazliel, B, Ongun, G, Ozcekic Demirhan, S, Ozyurt, E, Selcuk, D, Sorgun, M, Tezcan, S, Togay Isikay, C, Tokgoz, O, Ulku Acar, R, Uluduz Ugurlu, D, Abdul-Saheb, M, Ahmad, N, Ali, A, Alwis, L, Balogun, I, Bathula, R, Behnam, Y, Bhandari, M, Bhargavah, M, Black, T, Blank, C, Bruce, D, Burn, M, Canepa, C, Chakrabarti, A, Chandrasena, D, Chembala, J, Cheripelli, B, Clarke, R, Cohen, D, Collas, D, Constantin, C, Dani, K, Del Giudice, A, Dennis, M, Devine, J, Dima, S, Doubal, F, Duodu, Y, Dutta, D, El Ta Wil, S, Elyas, S, Evans, N, Eveson, D, Fotherby, K, France, E, Furnace, J, Grabowski, S, Gunathilagan, G, Gutierrez, R, Guyler, P, Hargroves, D, Harkness, K, Harvey, M, Hayhoe, H, Hicken, L, Hussain, M, Kelly, S, Lam, M, Lindert, R, Louw, S, Luder, R, Macleod, M, Majid, A, Mangion, D, Markova, S, Markus, H, Marsh, R, Mcarthur, K, Menon, N, Metcalf, K, Minhas, J, Minns, M, Mistri, A, Moreton, F, Mpelembue, M, Muddegowda, G, Mudhar, O, Musarrat, K, Myint, M, Natarajan, I, Naylor, D, Ngeh, J, Papavasileiou, V, Perry, R, Piechowski-Jozwiak, B, Pradhan, M, Rani, A, Rashed, K, Robinson, T, Roffe, C, Saksena, R, Sattar, N, Sekaran, L, Selvarajah, J, Shah, S, Sinha, D, Sivakumar, R, Sztriha, L, Walters, D, Webb, T, Werring, D, Whiteley, W, Whiting, R, Abdelhamid, N, Abdul Rahman, D, Amin, H, Androulakis, M, Babikian, V, Baker, M, Barker Trejo, S, Benjamin, A, Birnbaum, L, Burke, J, Chen, S, Clark, W, Coull, B, De Havenon, A, Dearborn, J, Degeorgia, M, Essa, B, Fares, M, Favate, A, Furlan, A, Gebreyohanns, M, Goddeau, R, Green, D, Greer, D, Haralur Sreekantaiah, Y, Hasan, R, Hedna, V, Henninger, N, Holmstedt, C, Ishida, K, Jagolino, A, Johnson, M, Jun-Oconnell, A, Kaur, S, Khanna, A, Kirshner, H, Kittner, S, Kleindorfer, D, Leira, E, Loomis, C, Lord, A, Lowenkopf, T, Lutsep, H, Magadan, A, Majjhoo, A, Maud, A, Mayasi, Y, Mccullough, L, Mckinney, J, Mehta, S, Mehta, D, Mehta, B, Messe, S, Miller, B, Milling, T, Moonis, M, Navaratnam, D, Okpala, M, Patel, N, Pettigrew, L, Phinney, T, Ramos-Estebanez, C, Rasmussen, J, Rodriguez, G, Rybinnik, I, Santiago, P, Sarraj, A, Savitz, S, Sawyer, R, Scandura, T, Schindler, J, Sen, S, Shang, T, Sharrief, A, Sila, C, Simpkins, A, Sundararajan, S, Talahma, M, Tayal, A, Thaler, D, Tirschwell, D, Torres, J, Vora, N, Warnack, W, Waters, M, Wilson, C, Xiong, W, Zweifler, R, Zanferrari, C., St Marys Development Trust, Servicio de Neurologia (SANTIAGO - Neurologie), Universidad del Desarrollo, Department of Neurology (Dep Neuro - BEIJING), Tiantan Hospital, Neurology department, Universidade de Coimbra [Coimbra], Department of Internal Medicine, University Hospital Basel [Basel], Laboratoire de Recherche Vasculaire Translationnelle (LVTS (UMR_S_1148 / U1148)), Université Paris 13 (UP13)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de la Santé et de la Recherche Médicale (INSERM), Department of Neurological Sciences, Università degli Studi di Roma 'La Sapienza' = Sapienza University [Rome], Department of Neurology, Seoul National University Hospital, Institute of Neurosciences and Psychology [Glasgow], University of Glasgow, Neurology Department, Ichilov Medical Center, CIC Brest, Université de Brest (UBO)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Hôpital de la Cavale Blanche, Yperzeele, Laetitia, NAVIGATE ESUS Investigators, and Selçuk Üniversitesi

Subjects
Stroke/etiology, Male, [SDV]Life Sciences [q-bio], Kaplan-Meier Estimate, 030204 cardiovascular system & hematology, Brain Ischemia, Brain ischemia, 0302 clinical medicine, DESIGN, Rivaroxaban, Hemorrhage/chemically induced, Secondary Prevention, Medicine, Factor Xa Inhibitors/adverse effects, Stroke, Rivaroxaban/adverse effects, ComputingMilieux_MISCELLANEOUS, 11 Medical and Health Sciences, Aspirin, Atrial fibrillation, General Medicine, FORAMEN OVALE CLOSURE, Middle Aged, TRIALS, Intracranial Embolism, SAFETY, Aged, Factor Xa Inhibitors, Female, Hemorrhage, Humans, Platelet Aggregation Inhibitors, Medicine (all), Cardiology, Foramen ovale closure, Platelet aggregation inhibitor, Settore MED/26 - Neurologia, Life Sciences & Biomedicine, medicine.drug, medicine.medical_specialty, Platelet Aggregation Inhibitors/adverse effects, ANTITHROMBOTIC THERAPY, Aspirin/adverse effects, WARFARIN, 03 medical and health sciences, Secondary Prevention/methods, Medicine, General & Internal, Internal medicine, Intracranial Embolism/drug therapy, General & Internal Medicine, NAVIGATE ESUS Investigators, METAANALYSIS, Science & Technology, CRYPTOGENIC STROKE, business.industry, Warfarin, medicine.disease, EFFICACY, ATRIAL-FIBRILLATION, Human medicine, business, Brain Ischemia/prevention & control, 030217 neurology & neurosurgery, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology
Abstract

WOS: 000434263000007, PubMed: 29766772, BACKGROUND Embolic strokes of undetermined source represent 20% of ischemic strokes and are associated with a high rate of recurrence. Anticoagulant treatment with rivaroxaban, an oral factor Xa inhibitor, may result in a lower risk of recurrent stroke than aspirin. METHODS We compared the efficacy and safety of rivaroxaban (at a daily dose of 15 mg) with aspirin (at a daily dose of 100 mg) for the prevention of recurrent stroke in patients with recent ischemic stroke that was presumed to be from cerebral embolism but without arterial stenosis, lacune, or an identified cardioembolic source. The primary efficacy outcome was the first recurrence of ischemic or hemorrhagic stroke or systemic embolism in a time-to-event analysis; the primary safety outcome was the rate of major bleeding. RESULTS A total of 7213 participants were enrolled at 459 sites; 3609 patients were randomly assigned to receive rivaroxaban and 3604 to receive aspirin. Patients had been followed for a median of 11 months when the trial was terminated early because of a lack of benefit with regard to stroke risk and because of bleeding associated with rivaroxaban. The primary efficacy outcome occurred in 172 patients in the rivaroxaban group (annualized rate, 5.1%) and in 160 in the aspirin group (annualized rate, 4.8%) (hazard ratio, 1.07; 95% confidence interval [CI], 0.87 to 1.33; P=0.52). Recurrent ischemic stroke occurred in 158 patients in the rivaroxaban group (annualized rate, 4.7%) and in 156 in the aspirin group (annualized rate, 4.7%). Major bleeding occurred in 62 patients in the rivaroxaban group (annualized rate, 1.8%) and in 23 in the aspirin group (annualized rate, 0.7%) (hazard ratio, 2.72; 95% CI, 1.68 to 4.39; P, BayerBayer AG; Janssen Research and Development, Supported by Bayer and Janssen Research and Development.

Published
2018

40. Closed pericardial biopsy

Author

Naidoo, PM, Chan Yan, C, Wong, RA, Ou Tim, L, and Louw, S

Abstract

A study was undertaken to determine the value of closed pericardial biopsy in establishing the histological diagnosis in 23 patients with confirmed pericardial effusion. Histological examination revealed a tuberculous aetiology in 17 cases, pyogenic in 3, post-traumatic in 2 and viral in 1.S. Afr. Med. J., 48, 1991 (1974).

Published
2018

42. Rivaroxaban or aspirin for patent foramen ovale and embolic stroke of undetermined source: a prespecified subgroup analysis from the NAVIGATE ESUS trial

Author

Kasner, Scott E, primary, Swaminathan, Balakumar, additional, Lavados, Pablo, additional, Sharma, Mukul, additional, Muir, Keith, additional, Veltkamp, Roland, additional, Ameriso, Sebastian F, additional, Endres, Matthias, additional, Lutsep, Helmi, additional, Messé, Steven R, additional, Spence, J David, additional, Nedeltechev, Krassen, additional, Perera, Kanjana, additional, Santo, Gustavo, additional, Olavarria, Veronica, additional, Lindgren, Arne, additional, Bangdiwala, Shrikant, additional, Shoamanesh, Ashkan, additional, Berkowitz, Scott D, additional, Mundl, Hardi, additional, Connolly, Stuart J, additional, Hart, Robert G, additional, Abdelhamid, N, additional, Abdul Rahman, D, additional, Abdul-Saheb, M, additional, Abreu, P, additional, Abroskina, M, additional, Abu Ahmad, F, additional, Accassat, S, additional, Acciaresi, M, additional, Adami, A, additional, Ahmad, N, additional, Ahmed, F, additional, Alberto Hawkes, M, additional, Alemseged, F, additional, Ali, A, additional, Altavilla, R, additional, Alwis, L, additional, Amarenco, P, additional, Amaro, S, additional, Amaya Sanchez, LE, additional, Amelia Pinto, A, additional, Ameriso, SF, additional, Amin, H, additional, Amino, T, additional, Amjad, AK, additional, Anagnostou, E, additional, Andersen, G, additional, Anderson, C, additional, Anderson, DC, additional, Andrea Falco, M, additional, Andres Mackinnon, F, additional, Andreu, D, additional, Androulakis, M, additional, Angel Gamero, M, additional, Angel Saredo, G, additional, Angeles Diaz, R, additional, Angels Font, M, additional, Anticoli, S, additional, Arauz, A, additional, Arauz Gongora, AA, additional, Araya, P, additional, Arenillas Lara, JF, additional, Arias Rivas, S, additional, Arnold, M, additional, Augustin, S, additional, Avelar, W, additional, Azevedo, E, additional, Babikian, V, additional, Bacellar, A, additional, Badalyan, K, additional, Bae, HJ, additional, Baez Martinez, EM, additional, Bagelmann, H, additional, Bailey, P, additional, Bak, Z, additional, Baker, M, additional, Balazs, A, additional, Baldaranov, D, additional, Balogun, I, additional, Balueva, T, additional, Bankuti, Z, additional, Bar, M, additional, Baranowska, A, additional, Bardutzky, J, additional, Barker Trejo, S, additional, Barlinn, J, additional, Baronnet, F, additional, Barroso, C, additional, Barteys, M, additional, Bartolottiova, T, additional, Barulin, A, additional, Bas, M, additional, Bashir, S, additional, Basile, V, additional, Bathe-Peters, R, additional, Bathula, R, additional, Batista, C, additional, Batur Caglayan, H, additional, Baumgartner, P, additional, Bazan, R, additional, Bazhenova, O, additional, Beaudry, M, additional, Beer, J, additional, Behnam, Y, additional, Beilei, C, additional, Beinlich, A, additional, Bejot, Y, additional, Belkin, A, additional, Benavente, OR, additional, Benjamin, A, additional, Berardi, V, additional, Bereczki, D, additional, Berkowitz, SD, additional, Berlingieri, J, additional, Berrios, W, additional, Berrouschot, J, additional, Bhandari, M, additional, Bhargavah, M, additional, Bicker, H, additional, Bicsak, T, additional, Bilik, M, additional, Bindila, D, additional, Birchenall, J, additional, Birnbaum, L, additional, Black, T, additional, Blacker, D, additional, Blacquiere, D, additional, Blanc-Labarre, C, additional, Blank, C, additional, Blazejewska-Hyzorek, B, additional, Bloch, S, additional, Bodiguel, E, additional, Bogdanov, E, additional, Boos, L, additional, Borcsik, L, additional, Bornstein, N, additional, Bouly, S, additional, Braga, G, additional, Bragado, I, additional, Bravi, MC, additional, Brokalaki, C, additional, Brola, W, additional, Brouns, R, additional, Bruce, D, additional, Brzoska-Mizgalska, J, additional, Buck, B, additional, Buksinska-Lisik, M, additional, Burke, J, additional, Burn, M, additional, Bustamante, G, additional, Cabrejo, L, additional, Cai, K, additional, Cajaraville, S, additional, Calejo, M, additional, Calvet, D, additional, Campillo, J, additional, Campos Costa, E, additional, Camps, P, additional, Can Alaydin, H, additional, Candeloro, E, additional, Canepa, C, additional, Cantu Brito, CG, additional, Cappellari, M, additional, Carcel, C, additional, Cardona Portela, P, additional, Cardoso, F, additional, Carek, M, additional, Carletti, M, additional, Carlos Portilla, J, additional, Caruso, P, additional, Casado-Naranjo, I, additional, Castellini, P, additional, Castro, D, additional, Castro Meira, F, additional, Cavallini, A, additional, Cayuela Caudevilla, N, additional, Cenciarelli, S, additional, Cereda, C, additional, Cerrone, P, additional, Chakrabarti, A, additional, Chaloulos-Iakovidis, P, additional, Chamorro, A, additional, Chandrasena, D, additional, Chang, DI, additional, Che, C, additional, Chembala, J, additional, Chen, J, additional, Chen, Z, additional, Chen, T, additional, Chen, H, additional, Chen, X, additional, Chen, G, additional, Chen, L, additional, Chen, S, additional, Cheripelli, B, additional, Chin, M, additional, Chiquete Anaya, E, additional, Chorazy, M, additional, Christensen, H, additional, Christensen, T, additional, Christian, L, additional, Chu, F, additional, Chung, CS, additional, Clark, W, additional, Clarke, R, additional, Claverie, S, additional, Clemente Agostoni, E, additional, Clissold, B, additional, Coelho, J, additional, Cohen, D, additional, Colakoglu, S, additional, Collas, D, additional, Condurso, R, additional, Connolly, SJ, additional, Consoli, D, additional, Constantin, C, additional, Constantino Silva, AB, additional, Contardo, L, additional, Corlobe, A, additional, Correia, M, additional, Correia, C, additional, Cortijo Garcia, E, additional, Coull, B, additional, Coutts, S, additional, Coveney, S, additional, Cras, P, additional, Crols, R, additional, Crozier, S, additional, Csanyi, A, additional, Csiba, L, additional, Csontos, K, additional, Csuha, R, additional, Cui, L, additional, Cunha, L, additional, Curtze, S, additional, Czerska, M, additional, Czlonkowska, A, additional, Czurko, M, additional, Czuryszkiewicz, M, additional, Dagnino, M, additional, Dai, C, additional, Daineko, A, additional, Dalek, G, additional, Damgaard, D, additional, Danese, A, additional, Dani, K, additional, Danku, V, additional, Dario Toledo, W, additional, Dávalos, A, additional, De Havenon, A, additional, De Keyser, J, additional, De Klippel, N, additional, De La Torre, J, additional, De Pauw, A, additional, De Smedt, A, additional, De Torres, R, additional, De Vries Basson, MM, additional, Dearborn, J, additional, Deganutto, R, additional, Degeorgia, M, additional, Deguchi, I, additional, Del Giudice, A, additional, Delcourt, C, additional, Delgado-Mederos, R, additional, Della Marca, G, additional, Delpont, B, additional, Deltour, S, additional, Demets, DL, additional, Dennis, M, additional, Desai, J, additional, Devine, J, additional, Dhollander, I, additional, Di Mascio, MT, additional, Diaconu, M, additional, Diaz Otero, F, additional, Dietzel, J, additional, Diez-Tejedor, E, additional, Ding, N, additional, Ding, J, additional, Diomedi, M, additional, Dioszeghy, P, additional, Distefano, M, additional, Domigo, V, additional, Dorodnicov, E, additional, Dossi, D, additional, Doubal, F, additional, Druzenko, I, additional, Du, P, additional, Du, J, additional, Duman, T, additional, Duodu, Y, additional, Dutta, D, additional, Dylewicz, L, additional, Eckstein, J, additional, Ehrensperger, E, additional, Ehrlich, S, additional, Einer Allende, G, additional, Elena Halac, B, additional, Elyas, S, additional, Endres, M, additional, Engelbrecht, JM, additional, Engelter, S, additional, Epinat, M, additional, Eren, F, additional, Esbjornsson, M, additional, Escribano, B, additional, Escudero, I, additional, Esisi, B, additional, Essa, B, additional, Esterbauer, M, additional, Evans, N, additional, Eveson, D, additional, Fabio, S, additional, Fang, L, additional, Fanta, S, additional, Fares, M, additional, Fatar, M, additional, Faust, K, additional, Favate, A, additional, Fazekas, F, additional, Federica Denaro, M, additional, Fedin, A, additional, Felipe Amaya, P, additional, Feng, J, additional, Ferencova, K, additional, Fernanda Gilli, M, additional, Fernandez, MD, additional, Fernandez Pirrone, PN, additional, Fernandez Vera, J, additional, Ferrari, J, additional, Ferreira, A, additional, Ferreira Junior, G, additional, Fidler, M, additional, Field, D, additional, Field, T, additional, Figueroa, C, additional, Fiksa, J, additional, Filipov, A, additional, Firstenfeld, A, additional, Fisch, L, additional, Fischer, U, additional, Fisselier, M, additional, Fiszer, U, additional, Fluri, F, additional, Fortea, G, additional, Fotherby, K, additional, Fraczek, A, additional, France, E, additional, Freitas, G, additional, Frey, S, additional, Frick, M, additional, Friedman, A, additional, Friedrich, M, additional, Frisullo, G, additional, Fryze, W, additional, Fuentes Gimeno, B, additional, Fujigasaki, H, additional, Fukuyama, K, additional, Furlan, A, additional, Furlanis, G, additional, Furnace, J, additional, Gabriel, M, additional, Gabriel Reich, E, additional, Gagliardi, RJ, additional, Galati, F, additional, Galli Giqueauk, E, additional, Gallina, A, additional, Gallinella, E, additional, Gallo, J, additional, Gangadharan, S, additional, Gao, Y, additional, Garcia Lopez, R, additional, Garcia Pastor, A, additional, Garcia Sanchez, SM, additional, Garnauf, M, additional, Garnier, P, additional, Gasecki, D, additional, Gasic, K, additional, Gasiorek, K, additional, Gasser, S, additional, Gaugg, M, additional, Gebreyohanns, M, additional, Gebura, K, additional, Geng, J, additional, Geniz Clavijo, M, additional, Georg Haeusler, K, additional, Geran, R, additional, Geremek, M, additional, Gerocs, Z, additional, Ghia, D, additional, Giannandrea, D, additional, Giatsidis, F, additional, Gien Lopez, JA, additional, Gil Nunez, A, additional, Gimenez, L, additional, Giralt, E, additional, Glabinski, A, additional, Gladstone, D, additional, Gliem, M, additional, Gluszkiewicz, M, additional, Goddeau, R, additional, Gogoleva, E, additional, Gokce, M, additional, Goldemund, D, additional, Golikov, K, additional, Gomes Neto, A, additional, Gomez Schneider, M, additional, Gomez-Choco, M, additional, Gomis, M, additional, Gongora-Rivera, JF, additional, Gonysheva, Y, additional, Gonzalez, L, additional, Gonzalez Toledo, ME, additional, Gottschal, M, additional, Gozdzik, I, additional, Grabowski, S, additional, Graf, S, additional, Green, D, additional, Greer, D, additional, Gregorio, T, additional, Greisenegger, S, additional, Greshnova, I, additional, Griebe, M, additional, Grzesik, M, additional, Guan, J, additional, Guarda, S, additional, Gueguen, A, additional, Guidoux, C, additional, Guillermo Povedano, P, additional, Guillon, B, additional, Guiraudg, V, additional, Gunathilagan, G, additional, Guryanova, N, additional, Gusev, V, additional, Gustavo Persi, G, additional, Gutiérrez, R, additional, Guyler, P, additional, Gyuker, N, additional, Hachinski, V, additional, Hajas, A, additional, Hallevi, H, additional, Hankey, G, additional, Hankey, GJ, additional, Hanouskova, L, additional, Hao, L, additional, Haraguchi, K, additional, Haralur Sreekantaiah, Y, additional, Haratz, S, additional, Hargroves, D, additional, Harkness, K, additional, Harmel, P, additional, Harrasser, M, additional, Hart, RG, additional, Harvey, M, additional, Hasan, R, additional, Hasegawa, Y, additional, Hassan, A, additional, Hattori, M, additional, Hatzitolios, A, additional, Hauk, M, additional, Hayashi, T, additional, Hayhoe, H, additional, Hedna, VS, additional, Heine, M, additional, Held, V, additional, Hellwig, S, additional, Henkner, J, additional, Henninger, N, additional, Hermans, S, additional, Hernandez, J, additional, Herrero, D, additional, Hervieu-Begue, M, additional, Herzig, R, additional, Hicken, L, additional, Hieber, M, additional, Hill, M, additional, Hirose, M, additional, Hobeanu, MC, additional, Hobson, B, additional, Hochstetter, M, additional, Hoe Heo, J, additional, Hoffmann, M, additional, Holmstedt, C, additional, Hon, P, additional, Hong, KS, additional, Honma, Y, additional, Horev, A, additional, Horgan, G, additional, Horvath, L, additional, Horvath, M, additional, Hoyer, C, additional, Huang, D, additional, Huang, H, additional, Huber, B, additional, Huhtakangas, J, additional, Hussain, M, additional, Igarashi, S, additional, Iglesias Mohedano, AM, additional, Ignacio Tembl, J, additional, Impellizzeri, M, additional, Inanc, Y, additional, Ioli, P, additional, Irina Aniculaesei, A, additional, Ishida, K, additional, Itabashi, R, additional, Iversen, H, additional, Jagolino, A, additional, Jakab, K, additional, Jander, S, additional, Janka, H, additional, Jankovych, J, additional, Jansen, J, additional, Jasek, L, additional, Javier Alet, M, additional, Javor, L, additional, Jin, X, additional, Jing, P, additional, Joachim, B, additional, Joan Macleod, M, additional, Johnson, M, additional, Jose Martin, J, additional, Joyner, C, additional, Judit Szabo, K, additional, Jun-Oconnell, A, additional, Jura, R, additional, Kaczorowska, B, additional, Kadlcikova, J, additional, Kahles, T, additional, Kakaletsis, N, additional, Kakuk, I, additional, Kalinowska, K, additional, Kaminska, K, additional, Kaneko, C, additional, Kanellos, I, additional, Kapeller, P, additional, Kapica-Topczewska, K, additional, Karasz, O, additional, Karlinski, M, additional, Karlsson, JE, additional, Kasa, K, additional, Kashaeva, E, additional, Kasner, SE, additional, Kaste, M, additional, Kasza, J, additional, Katalin Iljicsov, A, additional, Katsurayama, M, additional, Kaur, S, additional, Kawanishi, M, additional, Kaygorodtseva, S, additional, Ke, K, additional, Kei, A, additional, Keilitz, J, additional, Kellner, J, additional, Kelly, P, additional, Kelly, S, additional, Kemlink, D, additional, Kerekgyarto, M, additional, Keskinarkaus, I, additional, Khairutdinova, D, additional, Khanna, A, additional, Khaw, A, additional, Kholopov, M, additional, Khoumri, C, additional, Kirpicheva, S, additional, Kirshner, H, additional, Kitagawa, K, additional, Kittner, S, additional, Kivioja, R, additional, Klein, F, additional, Kleindorfer, D, additional, Kleinig, T, additional, Klivenyi, P, additional, Knecht, S, additional, Kobayashi, Y, additional, Kobayashi, A, additional, Koch, M, additional, Koehler, L, additional, Koivu, M, additional, Kolianov, V, additional, Koltsov, I, additional, Kondo, T, additional, Konkov, I, additional, Kopecky, S, additional, Korompoki, E, additional, Korpela, J, additional, Kosarz-Lanczek, K, additional, Koutroubi, A, additional, Kovacs, K, additional, Kovacs, T, additional, Kovacs, H, additional, Kowalczyk, K, additional, Kowalska, M, additional, Krajickova, D, additional, Kral, M, additional, Krarup Hansen, C, additional, Kraska, J, additional, Krebs, S, additional, Krejci, V, additional, Kremer, C, additional, Kreuzpointer, R, additional, Krzyzanowska, M, additional, Kucken, D, additional, Kulakowska, A, additional, Kunzmann, J, additional, Kurenkova, N, additional, Kuris, A, additional, Kurkowska-Jastrzebska, I, additional, Kurtenkova, N, additional, Kurushina, O, additional, Kusnick, G, additional, Kustova, M, additional, Kuwashiro, T, additional, Kwan Cha, J, additional, Lago, A, additional, Lagutenko, M, additional, Lajos, B, additional, Lambeck, J, additional, Lamy, C, additional, Landolfi, A, additional, Lanfranconi, S, additional, Lang, W, additional, Lara Lezama, LB, additional, Lara Rodriguez, B, additional, Largo, T, additional, Lasek-Bal, A, additional, Latte, L, additional, Lauer, V, additional, Lavados, P, additional, Le Bouc, R, additional, Leal Cantu, R, additional, Lechner, H, additional, Lecouturier, K, additional, Leder, S, additional, Lee, J, additional, Lee, BC, additional, Leger, A, additional, Leira, E, additional, Leisse, I, additional, Leker, R, additional, Lembo, G, additional, Lenskaya, L, additional, Leyden, J, additional, Li, G, additional, Li, M, additional, Li, S, additional, Li, J, additional, Liamis, G, additional, Liang, H, additional, Liang, Z, additional, Ligot, N, additional, Lin, H, additional, Lindert, R, additional, Lindgren, A, additional, Linna, M, additional, Litwin, T, additional, Liu, K, additional, Liu, X, additional, Llull, L, additional, Lohninger, B, additional, Longoni, M, additional, Loomis, C, additional, Lopes, D, additional, Lopez Fernandez, M, additional, Lopez Garza, N, additional, Lord, A, additional, Louw, S, additional, Lovasz, R, additional, Lowenkopf, T, additional, Lu, Z, additional, Lubke-Detring, SC, additional, Luder, R, additional, Lujan, S, additional, Luo, B, additional, Lupinogina, L, additional, Luschin, G, additional, Lutsep, H, additional, Lvova, A, additional, Ly, J, additional, Grosse, G.M., additional, Ma, H, additional, Ma, C, additional, Machado, M, additional, Machado, C, additional, Macher, S, additional, Machetanz, J, additional, Macian-Montoro, F, additional, Mackey, E, additional, Mackey, A, additional, Maclean, G, additional, Maestre-Moreno, J, additional, Magadan, A, additional, Magyar, T, additional, Mahagney, A, additional, Majid, A, additional, Majjhoo, A, additional, Makaritsis, K, additional, Mandzia, J, additional, Mangas Guijarro, M, additional, Mangion, D, additional, Manios, E, additional, Mann, S, additional, Manning, L, additional, Manno, C, additional, Manuel Garcia, J, additional, Maqueda, V, additional, Mar Castellanos, M, additional, Mar Freijo, M, additional, Marando, C, additional, Marcela Lepera, S, additional, Marcos Couto, J, additional, Maria Bruera, G, additional, Maria Greco, L, additional, Maria Lorenzo, A, additional, Maria Obmann, S, additional, Maria Roa, A, additional, Marini, C, additional, Marinkovic, I, additional, Mario Sumay, G, additional, Mario Torres, C, additional, Marko, M, additional, Markova, S, additional, Markus, H, additional, Marsh, R, additional, Marsili, E, additional, Marta Esnaola, M, additional, Marta Moreno, J, additional, Marti-Fabregas, J, additional, Martina Angelocola, S, additional, Martínez Sánchez, P, additional, Martinez-Majander, N, additional, Martins, S, additional, Marzelik, O, additional, Mastrocola, S, additional, Matamala, G, additional, Matoltsy, A, additional, Matosevic, B, additional, Matsumoto, S, additional, Maud, A, additional, Mauri Cabdevila, G, additional, May, Z, additional, Mayasi, Y, additional, Mayr, A, additional, Mazzoli, T, additional, Mcarthur, K, additional, Mccullough, L, additional, Medina Pech, CE, additional, Medlin, F, additional, Mehdiratta, M, additional, Mehta, S, additional, Mehta, D, additional, Mehta, B, additional, Melis, M, additional, Melnikova, E, additional, Mendez, B, additional, Mendonca, T, additional, Mengual Chirifie, JJ, additional, Menon, N, additional, Mensch, A, additional, Meseguer, E, additional, Messe, S, additional, Metcalf, K, additional, Meyer, N, additional, Michas, F, additional, Micheletti, N, additional, Mikulik, R, additional, Milionis, H, additional, Miller, B, additional, Milling, T, additional, Minelli, C, additional, Minhas, J, additional, Minns, M, additional, Mircea, D, additional, Mishra, S, additional, Mismas, A, additional, Mistri, A, additional, Mitrovic, N, additional, Miyake, H, additional, Modrau, B, additional, Moey, A, additional, Molina, C, additional, Molina, J, additional, Molis, A, additional, Moller, J, additional, Molnar, S, additional, Moniche, F, additional, Monosi, C, additional, Monzani, V, additional, Moonis, M, additional, Morais, R, additional, Morales, L, additional, Morales, A, additional, Morar-Precup, D, additional, Moreton, F, additional, Moro, C, additional, Morozova, E, additional, Morton, M, additional, Morvan, T, additional, Morvan, E, additional, Motko, T, additional, Mowla, A, 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Published
2018
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44. Correlation between rivaroxaban (Xarelto) plasma activity, patient clinical variables and outcomes in a South African centre

Author

Louw, S, Saragas, N P, Ferrao, P N, Chirwa, T F, and Jacobson, B F

Abstract

BACKGROUND. Low-molecular-weight heparin and vitamin K antagonists such as warfarin are the gold standard for prohylaxis and treatment of venous thromboembolic disease (VTED). Direct oral anticoagulants (DOACs) result in predictable anticoagulation with significantly reduced inter- and intra-patient variability. DOAC absorption is rapid, with a short half-life and relatively few drug interactions. DOACs are effective and safe at fixed doses without activity monitoring. However, specific situations may require assessment of accurate drug activity. Rivaroxaban, a DOAC targeting activated coagulation factor X (FXa), is registered for the prevention and treatment of VTED in South Africa. OBJECTIVES. To establish a prophylactic rivaroxaban activity level range and determine any associations with clinical complications, viz. haemorrhage and/or thrombosis. METHODS. Samples from 115 orthopaedic patients were tested 3 hours after a prophylactic oral dose of 10 mg rivaroxaban with STAGO rivaroxaban anti-FXa reagent on an automated coagulation analyser. Patient demographics and clinical outcomes were documented. RESULTS. The mean rivaroxaban anti-FXa level was 105.7 ng/mL. Two patients developed adverse events on therapy. One patient had minor bleeding (menorrhagia) (drug activity level 288.7 ng/mL) and another a deep-vein thrombosis (drug activity level 34.7 ng/mL). Statistical analysis demonstrated an association between drug activity and advancing age (p=0.008), most apparent among those aged >65 years. CONCLUSIONS. Measuring rivaroxaban activity levels may reduce uncertainty if treatment failure and complications occur. Patients aged >65 years should be closely monitored. A local expected rivaroxaban activity level for patients on rivaroxaban prophylaxis has been established.

Published
2016

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