Browsing by Title Facultad de Medicina

Now showing items 8429-8448 of 12947

    • Nonmotor symptom burden grading as predictor of cognitive impairment in Parkinson’s disease 
      Oikonomou, Panteleimon; Van Wamelen, Daniel J.; Weintraub, Daniel; Aarsland, Dag; Ffytche, Dominic; Martínez Martin, Pablo; Rodríguez Blázquez, Carmen; Leta, Valentina; Borley, Corinne; Sportelli, Carolina; Trivedi, Dhaval; Podlewska, Aleksandra M.; Rukavina, Katarina; Rizos, Alexandra; Lazcano Ocampo, Claudia; Chaudhuri, Kallol Ray (Wiley, 2021)
      Background: Identifying predictors of incident cognitive impairment (CI), one of the most problematic long-term outcomes, in Parkinson's disease (PD) is highly relevant for personalized medicine and prognostic counseling. ...
    • Nonoptimal propagation of advertisement calls of midwife toads in Iberian habitats 
      Penna Varela, Mario; Márquez, Rafael; Bosch, Jaime; Crespo, Eduardo G. (2006)
      This study compares the efficiency of transmission of the advertisement calls of two species of midwife toads, Alytes cisternasii and A. obstetricans, in both native and non-native habitats in the Iberian Peninsula. Recorded ...
    • Nonresective shrinkage of the septum and fat compartments of the upper and lower eyelids: A comparative ... 
      Prado, Arturo; Andrades Cvitanic, Patricio; Danilla Enei, Stefan; Castillo, Paulo; Benítez Seguel, Susana Alejandra (2006)
      BACKGROUND: The purpose of this article is to describe an alternative nonresective treatment of the fat-septum component of the eyelids during blepharoplasty, using shrinkage desiccation with two low-energy modalities: a ...
    • Nonresective shrinkage of the septum and fat compartments of the upper and lower eyelids: A comparative ... 
      Prado, Arturo; Andrades Cvitanic, Patricio; Danilla Enei, Stefan; Castillo, Paulo; Benítez Seguel, Susana Alejandra (2007)
    • Nonsteroidal antiinflammatory drugs: Effect on pyloric sphincter and duodenogastric reflux 
      Pantoja, Jose L.; Defilippi Cafri, Carlos; Valenzuela, Jorge E.; Csendes Juhasz, Attila (Kluwer Academic Publishers-Plenum Publishers, 1979)
      We have investigated the effect of nonsteroidal antiinflammatory drugs on canine pyloric sphincter pressure, mucosal potential difference (PD), and duodenogastric reflux in 5 dogs. Only intragastric aspirin at doses of 30 ...
    • Nontraumatic deaths associated with a natural catastrophe. The experience of the earthquake in Chile 1985 ... 
      Carrasco,; González González, Larry Javier; Cumsille,; Concha, Luciana; de la Fuente,; Spencer, Nicolás; Verdejo, (1990)
      We analyzed causes of death before and after the March 1985 earthquake in Valparaíso, Chile. Causes of death were obtained from death certificates. Apart from death directly due to trauma during the earthquake, a significant ...
    • Noonan syndrome with multiple Giant cell lesions, management and treatment with surgery and interferon ... 
      Rodríguez, Fernando Adrián; Castellón, Loreto; Moreno, Regina; Páez, Eduardo; Aracena Álvarez, María Inés (Wiley, 2020)
      We report the case of a 14-year-old girl that was referred to the maxillo facial surgery unit at age 11 years because she exhibited swelling in the right side of her maxilla and right mandible. After a conservative surgery, ...
    • Norepinephrine release in the immature ovary is regulated by autoreceptors and neuropeptide-y 
      Ferruz, J.; Ahmed, C. E.; Ojeda, S. R.; Lara Peñaloza, Hernán (1992)
      Experiments were undertaken to study the role that neuropeptide-Y (NPY) and adrenergic autoreceptors may play in the regulation of norepinephrine (NE) release from the rat ovary. Ovaries from 28- to 32-day-old rats were ...
    • Normal values in impedance audiometry VALORES NORMALES DE IMPEDANCIOMETRIA 
      Caro,; Vega-Zuniga, Tomas; Silva Silva, Laura (1976)
    • Normal values of the hemogram and other hematological variables in subjects over 60 years old Valores ... 
      Olivares,; Hertrampf,; Wegner,; Capurro,; Letelier, Carolina; Valenzuela, (1994)
      We studied 36 men and 94 women aged 60 to 85 years, without nutritional deficiencies or illness that could interfere with hematopoiesis, to characterize the normal limits of red and white blood cell counts. Lower limit of ...
    • Normative parameter characterization for the auditory brainstem response of the normal newborn Caracterizacion ... 
      Echeverría,; González González, Larry Javier; Fischer,; Ribalta, J.; Fernández Fernández, Tamara (1992)
      The auditory brainstem response generated by clicks was studied in 119 normal newborns. One ear was studied in detail at 20, 40 and 60 dBnHL, the other at 20 and 30 dBnHL, increasing the intensity if no response was found. ...
    • Norovirus and rotavirus disease severity in children: systematic review and meta-analysis 
      Riera-Montes, Margarita; O’Ryan, Miguel; Verstraeten, Thomas (Lippincott Williams & Wilkns, 2018-06)
      Background: Rotaviruses (RVs) and noroviruses (NoVs) are the most common causes of severe acute gastroenteritis in children. It is generally accepted that RVs cause severe acute gastroenteritis in a higher proportion of ...
    • Norovirus compared to other relevant etiologies of acute gastroenteritis among families from a semirural ... 
      Lucero Álvarez, Yalda; Lagomarcino, Anne; Espinoza Barrios, Mónica; Kawakami, Nanami; Mamani Manzano, Nora; Huerta, Nicole; Canto Fuentes, Felipe del; Farfán Urzúa, Mauricio; Sawaguchi, Yoshihiro; George, Sergio; O'Ryan Gallardo, Miguel (Elsevier, 2020)
      Objective: To determine the dynamics of norovirus disease, a major cause of acute gastroenteritis (AGE), compared to other relevant etiologies, among families living in a lower middle income area. Study design: Families ...
    • Norovirus illness is a global problem: emergence and spread of norovirus gii.4 variants, 2001-2007 
      Siebenga, J. Joukje; Vennema, Harry; Zheng, Du Ping; Vinjé, Jan; Bonita, E.; Lee, Xiao Li Pang; Ho, Eric C.M.; Lim, Wilina; Choudekar, Avinash; Broor, Shobha; Halperin, Tamar; Rasool, Nassar B.G.; Hewitt, Joanne; Greening, Gail E.; Jin, Miao; Duan, Zhao Jun; Lucero, Yald (2009)
      Background. Noroviruses (NoVs) are the most common cause of viral gastroenteritis. Their high incidence and importance in health care facilities result in a great impact on public health. Studies from around the world ...
    • Norovirus Illness Is a Global Problem: Emergence and Spread of Norovirus GII.4 Variants, 2001–2007 
      Siebenga, J. Joukje; Vennema, Harry; Zheng, Du-Ping; Vinjé, Jan; Lee, Bonita E.; Pang, Xiao-Li; Ho, Eric C. M.; Lim, Wilina; Choudekar, Avinash; Broor, Shobha; Halperin, Tamar; Rasool, Nassar B. G.; Hewitt, Joanne; Greening, Gail E.; Jin, Miao; Duan, Zhao-Jun; Lucero, Yalda; O'Ryan Gallardo, Miguel; Hoehne, Marina; Schreier, Eckart; Ratcliff, Rodney M.; White, Peter A.; Iritani, Nobuhiro; Reuter, Gábor; Koopmans, Marion (2009)
      Background. Noroviruses (NoVs) are the most common cause of viral gastroenteritis. Their high incidence and importance in health care facilities result in a great impact on public health. Studies from around the ...
    • Norovirus in Latin America: Systematic review and meta-analysis 
      O'Ryan Gallardo, Miguel; Riera-Montes, Margarita; Lopman, Benjamin (Lippincott Williams and Wilkins, 2017)
      © 2016 Wolters Kluwer Health, Inc. All rights reserved. Background: Noroviruses are increasingly recognized as a major cause of sporadic and epidemic acute gastroenteritis (AGE). Although there have been multiple studies ...
    • Norovirus infection and vaccine development: Where are we? 
      O'Ryan Gallardo, Miguel (Elsevier, 2016)
    • Norovirus vaccines under development 
      Lucero, Yalda; Vidal, Roberto; O'Ryan Gallardo, Miguel (Elsevier Ltd, 2018)
      © 2017 Elsevier Ltd Noroviruses (NoVs) are one of the leading causes of acute gastroenteritis, including both outbreaks and endemic infections. The development of preventive strategies, including vaccines, for the most ...
    • Norovirus: facts and reflections from past, present, and future 
      Lucero Álvarez, Yalda; Matson, David O.; Ashkenazi, Shai; George Carreño, Sergio Andrés; O'Ryan Gallardo, Miguel (MDPI, 2021)
      Human Norovirus is currently the main viral cause of acute gastroenteritis (AGEs) in most countries worldwide. Nearly 50 years after the discovery of the “Norwalk virus” by Kapikian and colleagues, the scientific and ...
    • Nos habíamos opuesto tanto... 
      Vivaldi Véjar, Ennio (Universidad de Chile, 1995)
      El autor revisa la situación actual de la Universidad de Chile a partir de sus postulados fundacionales, haciendo hincapié especialmente en el destino de los discursos de los '60 y aun anteriores, confrontados con lo ...