Risk factors for and estimated incidence of community-associated Clostridium difficile infection, North Carolina, USA.

We determined estimated incidence of and risk factors for community-associated Clostridium difficile infection (CA-CDI) among patients treated at 6 North Carolina hospitals. CA-CDI case-patients were defined as adults (>18 years of age) with a positive stool test result for C. difficile toxin and no hospitalization within the prior 8 weeks. CA-CDI incidence was 21 and 46 per 100,000 person-years in Veterans Affairs (VA) outpatients and Durham County populations, respectively. VA case-patients were more likely than controls to have received antimicrobial drugs (adjusted odds ratio [aOR] 17.8, 95% confidence interval [CI] 6.6-48] and to have had a recent outpatient visit (aOR 5.1, 95% CI 1.5-17.9). County case-patients were more likely than controls to have received antimicrobial drugs (aOR 9.1, 95% CI 2.9-28.9), to have gastroesophageal reflux disease (aOR 11.2, 95% CI 1.9-64.2), and to have cardiac failure (aOR 3.8, 95% CI 1.1-13.7). Risk factors for CA-CDI overlap with those for healthcare-associated infection.

NEGLECTED CELLO REPERTOIRE OF TWENTIETH CENTURY ENGLISH COMPOSERS

In the Twentieth Century, the proliferation of cellists and the exceptional development of cello techniques, combined with composers' acceptance of the challenges by these developments, led many British composers to contribute to the enrichment of the cello concert repertoire. A great number of compositions written for the cello in the Twentieth Century England have been long neglected. In comparison with their other works in the genres of concerto, symphony, and opera, works for cello by prominent Twentieth Century English composers Elgar, Walton, and Britten are relatively unknown, except for Elgar's cello concerto. There are also many lesser-known composers like Delius, Bax, Bridge, and Clarke, who flourished in the fmt half of the century, but eventually became disregarded. Some reasons for this neglect may be as follows: the reluctant attitude toward new trends in the English musical establishment around the turn of the century; a lack of readily available editions of these composers' compositions; an over-abundance of fine composers at one time; and lastly, an overly individualistic approach to the music restricting a general public appreciation and recognition. Encountering a recording of the Walton cello concerto prompted me to further study the neglected Twentieth Century English cello repertoire. Many works of the above-mentioned composers still have not been fully valued in the cello repertoire. For this reason, the purpose of this project was to inspire cellists to learn and broaden as well as to appreciate the beauty of the Twentieth Century cello literature. As part of the doctoral performance project, three recitals featuring the works by six English composers were performed. My collaborator in all three recitals was pianist Eunae KO. The fmt recital included the Sonata for cello and piano by Frank Bridge and the Concerto by William Walton. The second recital was comprised of relatively unknown cello works: Sonatina in D major by Arnold Bax, Romance by Frederick Delius, and the Sonata Op. 40 by Rebecca Clarke. The third recital consisted of Folk-Tale by Arnold Bax and the Symphony for Cello and Orchestra Op. 68 by Benjamin Britten.

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The Evolution of Rachmaninov's Pianistic Style from 1892 to 1941 as Seen in Selected Original Works and Transcriptions for Piano

Unlike some other major composer-pianists (Franz Liszt and Alexander Scriabin being the most notable examples), Sergei Rachmaninov did not experience any dramatic changes in his compositional style; one can, however, notice certain stylistic differences between piano works composed during different periods of his long creative life. This dissertation argues that a clear evolution of Rachmaninov's pianistic style through his three creative periods can be traced by examining a selection of his compositions, from his first significant cycle for piano, 5 Marceaux de fantaisie, Op. 3 (1892), all the way through to his last piano work, a transcription of P.I.Tchakovsky's Lullaby, Op. 16, No. 1 (1941). Rachmaninov's life as a composer can be divided into three periods. His early period was ended abruptly by the disastrous premiere ofhis First Symphony in 1897, which caused a deep psychological crisis in the life of the young composer. Piano works of this period are often characterized by relatively simple homophonic texture, when Rachmaninov was clearly influenced by some of his Russian predecessors, most notably Tchaikovsky. His second and most productive period, also known as the period of"Russian maturity," started in 1900, when he began working on the Second Suite for two pianos, Op. 17, and the Second Concerto, Op. 18; this phase ended with the Russian Bolshevik revolution of 1917. Works of this time exhibit a mature style of piano writing, with rich, virtuosic - often considered excessive by many critics - texture and ever-increasing use of chromatic harmonies. Rachmaninov's works of the third period are limited in number owing to the composer's preoccupation with a career as pianist. Original works for piano now give way to revisions of earlier compositions and transcriptions: Rachmaninov's piano writing becomes more efficient and economical without losing any of its virtuosic brilliance. This dissertation project examines in detail, over the course of three piano recitals, a variety of works composed during the "Russian maturity" period, from several Preludes from Op. 23 (1903), the first major cycle for solo piano of the period, to 9 Etudes-Tableaux, Op.39 (1917), the last one; the early period is represented by 3 of 5 Marceaux defantaisie, Op. 3 (1892), while the late period is shown through several piano transcriptions and revised versions of the remaining 2 pieces from Op. 3.

SELECTED TWENTIETH-CENTURY BRITISH & AMERICAN ENGLISH SONG REPERTOIRE WRITTEN FOR SOPRANO

English language song (both British and American) is influenced by a variety of cultures, races, and musical forms and has produced a broad range of song repertoire. Like songs in all countries and throughout history, these songs can be classified into three categories: imitative songs, experimental songs, and songs of individuality. Music experimentation, necessary and welcome as it is, can hardly command broad international attention. Thus, the songs of this dissertation performance project are chosen from the first and third categories: imitative songs and individual songs in the composer's own unique style. This project concentrates its exploration on twentieth-century solo songs written in English. Although twentieth-century British & American composers also produced solos and chamber music in other languages, this dissertation focuses upon their English repertoire. This performance project consists of three programs: one British repertoire and two American. The first program titled An Evening of British Song examines twentieth-century British song written by Roger Quilter, Peter Warlock, William Walton, Benjamin Britten, Thomas F. Dunhill, Ivor Gurney, and Frank Bridge. It was presented on December 12, 2001, in Homer Ulrich Recital Hall with the collaborative pianist Meriel Owen. The second program titled An Evening of American Song I comprises music written by Dominick Argento, Samuel Barber, Ned Rorem, Leonard Bernstein, and Lee Hoiby. It was presented on October 23, 2002, in Joseph & Alma Gildenhorn Recital Hall with the collaborative pianist R. Timothy McReynolds. The third program titled An Evening of American Song II written by John Duke, John Corigliano, Charles Ives, Richard Hundley, Lori Laitman, Frederick Loewe, George Gershwin, and Jerome Kern was presented on December 18, 2003, again in Joseph & Alma Gildenhorn Recital Hall with the collaborative pianist R. Timothy McReynolds and the flutist Jessica Dunnavant. Each of these three dissertation recitals occurred at the University of Maryland in College Park and was recorded. These CD recordings are held by the Michelle Smith Performing Arts Library at the University of Maryland.

Los contratistas de cosecha de plantaciones forestales : análisis de las funciones de producción y de la influencia de la innovación tecnológica como factor en las mismas

La cosecha de plantaciones forestales ha crecido sostenidamente en Sudamérica en los últimos años. Esta se desarrolla mayoritariamente con empresas contratistas, que abastecen plantas industriales. Esta Tesis tiene por objetivos analizar por medio de funciones de producción y de la innovación, las empresas contratistas de cosecha en Misiones y Corrientes (Argentina), Paraná, Santa Catarina y Rio Grande do Sul (Brasil), y Uruguay. Los datos fueron obtenidos por encuestas personalizadas: 22 en Argentina, 35 en Brasil, y 10 en Uruguay, entre 2008 y 2012. Se evaluaron modelos de costos y producción. El crecimiento de las empresas fue analizado con modelos lineales mixtos. La producción relevada fue de 17,7 millones de metros cúbicos, (58,3 por ciento del total regional). Los modelos de producción del tipo Cobb-Douglas, mostraron muy alta necesidad de capital al inicio, con un cambio a partir de las 50.000 t/mes, y fueron asintóticos desde las 100.000 t/mes. Los contratistas en Argentina produjeron en promedio 13.636 t/mes, con 30,7 empleados por empresa. En Brasil, produjeron 25.649t/mes, con 65,12 empleados. Los modelos de costo por tonelada resultaron en 5,82 US$/t para 18.000 t/mes para Argentina. En Brasil el costo mínimo fue de 11,23 US$/t para 25.000 t/mes. En Uruguay fue de 18,43 US$/t para 15.000 t/mes. En los tres países existió preponderancia de contratos con celulósicas. No se encontró ninguna contratista que desarrolle los indicadores de producción o de costo por tonelada que obtuvieron estas empresas mutualistas. En los análisis de producción de los últimos 10 años, fueron significativos el número de empleados, y la mecanización. Cuando se consideraron la capacidad de hacer negocios y la innovación, fue solo significativa esta última. La inclusión de las variables aleatorias, país y edad de la empresa, produjo mejores AIC (Akaike Information Criterion). En el análisis del crecimiento de las empresas en los últimos 10 años, resultaron significativos el capital y el número de empleados. En los últimos 5 años, ocurrió lo contrario, fueron significativas la innovación y la capacidad de hacer negocios. Se puede concluir que el capital es el principal factor para predecir la capacidad productiva de una contratista. Existen diferencias de escala entre las empresas de los tres países, así como en los sectores de cada país. A los largo de los últimos 10 años, las empresas han ido creciendo basándose en diferentes estrategias, al principio en capital y empleados, y últimamente en la capacidad de hacer negocios y en la innovación. Sudamérica, Cosecha forestal.

The Russell Cycle. An update and review of trends in zooplankton and fish larvae off Plymouth 1924-2009. Occasional Publication of the Marine Biological Association 24

Regular plankton sampling off Plymouth by the Marine Biological Association (MBA) has been carried out from the early 1900s. Much of the sample analysis and description of the results was carried out by Sir Frederick Russell and Professor Alan Southward (AJS), the latter having completed the organisation and transfer of the paper records to digital files. The current authors have transferred the main data files of AJS on zooplankton and fish larvae to the MBA long-term database (including various editing and checking against original analysis records and published data) together with adding the data for 2002-2009. In this report the updated time-series are reviewed in the context of earlier work, particularly with respect to the Russell Cycle. It is not intended as an exhaustive analysis. Brief details of the sampling and comments on data processing are given in an appendix.

Conservative Interventions for mobile Pes Planus in Adults: a systematic review

Antecedentes. Pes Adulto planus (pie plano) es un problema común encontrado por muchos profesionales de la salud. A pesar de la percepción de que el pie plano puede causar dolor y deteriorar su función, la disponibilidad y el uso generalizado de diversos tratamientos, no hay consenso sobre la estrategia óptima de tratamiento. Objetivo. Evaluar la efectividad de las intervenciones conservadoras (no quirúrgicos) para pie plano en los adultos. Método. Se realizó una búsqueda sistemática de la literatura. Esto incluye: el Registro Cochrane Central de Ensayos Controlados; los Juicios CMSG Especializados Registro; una búsqueda electrónica se realizó utilizando MEDLINE (1960 a junio de 2012), EMBASE (1980 a junio de 2012), y CINAHL (1982 - junio de 2012). Revistas especializadas, listas de referencias de ensayos y artículos de revisión se realizaron búsquedas manuales. Criterios de selección: Ensayos aleatorios o cuasialeatorios de intervenciones de tratamiento para el pie plano en los adultos. Se excluyeron los ensayos que incluyeron patologías específicas como el dolor plantar del talón, las fracturas por sobrecarga de los metatarsianos, disfunción del tendón tibial posterior-, fracturas de tobillo, patologías del pie reumatoide, enfermedades neuromusculares y las complicaciones del pie diabético. Recopilación y análisis de datos: Dos autores seleccionaron de forma independiente los resultados de la búsqueda para identificar a aquellos que satisfacen los criterios de inclusión y evaluaron la calidad de los incluidos mediante una lista de control basado en la Evaluación de la Colaboración Cochrane de Riesgo. Esta herramienta se centró en el riesgo de la selección, el rendimiento, la detección, la heterogeneidad y el sesgo de notificación. Resultados. Cuatro ensayos, con 140 sujetos, cumplieron los criterios de inclusión para la revisión. Los cuatro fueron juzgados como de alto riesgo de sesgo en al menos un área, y también estaban en riesgo de sesgo incierto en al menos otra zona. Todos anotaron altamente en relación al sesgo de deserción, debido al corto seguimiento tiempos y diseños experimentales utilizados. Los datos no se agruparon debido al alto nivel de heterogeneidad identificada en las intervenciones evaluadas, los participantes seleccionados y medir los resultados. Los resultados de un estudio sugieren que después de cuatro semanas de uso ortesis puede resultar en una mejora significativa en vaivén lateral medio, y pueden resultar en una mejor, aunque no significativa, en general relacionados con la calidad de vida de los pies (Roma 2004). Un estudio (Redmond 2009) sugiere que su efecto sobre la distribución de la presión plantar en el pie puede no depender de si son personalizados o dispositivos prefabricados. Aunque este estudio se identificaron cambios significativos en algunas variables de presión plantar tanto con la costumbre y dispositivos prefabricados, otro (Esterman 2005) no encontró ningún efecto significativo de longitud ¾ ortesis prefabricadas sobre el dolor, la incidencia de lesiones, salud pie o de calidad de vida en un grupo de reclutas de la fuerza aérea. El cuarto estudio (Jung 2009) sugiere que el ejercicio de los músculos intrínsecos del pie puede mejorar el efecto de las ortesis. A pesar de estos resultados, ya que cada estudio incurrió riesgo de sesgo en al menos un área no se pueden sacar conclusiones