Browsing by Title Artículos de revistas

Now showing items 8874-8893 of 11553

    • Randomized controlled trial of nonsynchronized nasal intermittent positive pressure ventilation versus nasal ... 
      Estay, Alberto S.; Mariani, Gonzalo L.; Álvarez, Claudio A.; Milet, Beatriz; Agost, Daniel; Ávila Jaramillo, Claudia; Roldán, Liliana; Abdala, Daniel A.; Keller, Rodolfo; Galletti, María F.; González, A. (Karger, 2020)
      Background and Objectives: Nasal continuous positive airway pressure (NCPAP) is a useful method of respiratory support after extubation. However, some infants fail despite CPAP use and require reintubation. Some evidence ...
    • A Randomized Controlled Trial to Prevent Post-Operative Atrial Fibrillation by Antioxidant Reinforcement 
      Rodrigo Salinas, Ramón; Korantzopoulos, Panagiotis; Cereceda Brantes, Mauricio; Asenjo, René; Zamorano, Jaime; Villalabeitia, Eli; Baeza, Cristián; Aguayo, Rubén; Castillo, Rodrigo; Carrasco, Rodrigo; Gormaz, Juan G. (Elsevier, 2013)
      Objectives: This study was designed to assess whether the reinforcement of the antioxidant system, through n-3 fatty acids plus antioxidant vitamin supplementation, could reduce the incidence of post-operative atrial ...
    • Randomized double-blind clinical trial of autologous serum versus artificial tears in dry eye syndrome 
      Urzúa Salinas, Cristhian; Vásquez, Darío H.; Huidobro, Andres; Hernandez, Helio; Alfaro, Jorge (2012)
      Purpose: To determine symptoms improvement in dry eye patients with short-term autologous serum (AS) eyedrops treatment using the standardized Ocular Surface Disease Index (OSDI) survey. Materials and methods: A double-blind ...
    • A Randomized Trial of a Cervical Pessary to Prevent Preterm Singleton Birth 
      Nicolaides, Kypros H.; Syngelaki, Argyro; Poon, Liona C.; Picciarelli, Gemma; Tul, Natasa; Zamprakou, Aikaterini; Skyfta, Evdoxia; Parra Cordero, Mauro; Palma Días, Ricardo (MASSACHUSETTS MEDICAL SOC, 2016)
      BACKGROUND Preterm birth is the leading cause of neonatal and infant death and of disability among survivors. It is unclear whether a pessary inserted around the cervix reduces the risk of preterm singleton birth. ...
    • Randomized Trial of a Program to Enhance the Compéténcies of Children with Epilepsy 
      Lewis, Mary Ann; Salas, Ines; de la Sota, Ann; Chiofalo, Nelly; Leake, Barbara (1990)
      Summary: A randomized, controlled trial was conducted in Santiago, Chile to test the impact of a child‐centered, family‐focused educational program for children aged 7–14 years with epilepsy and for their parents. The ...
    • Randomized trial of aromatase inhibitors, growth hormone, or combination in pubertal boys with idiopathic, ... 
      Mauras, Nelly; Ross, Judith L.; Gagliardi, Priscila; Yu, Y. Miles; Hossain, Jobayer; Permuy, Joseph; Damaso, Ligeia; Merinbaum, Debbie; Singh, Ravinder J.; Gaete, Ximena; Mericq, Verónica (Endocrine Soc, 2016-12)
      Context: Growth of short children in puberty is limited by the effect of estrogen on epiphyseal fusion. Objectives: To compare: 1) the efficacy and safety of aromatase inhibitors (AIs) vs GH vs AI/GH on increasing adult ...
    • Randomized trial of early bubble continuous positive airway pressure for very low birth weight infants 
      Tapia, Jose L.; Urzua, Soledad; Bancalari, Aldo; Meritano, Javier; Torres, Gabriela; Fabres, Jorge; Toro, Claudia A.; Rivera, Fabiola; Cespedes, Elizabeth; Burgos, Jaime F.; Mariani, Gonzalo; Roldan, Liliana; Silvera, Fernando; Gonzalez, Agustina; Dominguez, Angelica (Mosby Inc., 2012)
      Objective: To determine whether very low birth weight infants (VLBWIs), initially supported with continuous positive airway pressure (CPAP) and then selectively treated with the INSURE (intubation, surfactant, and extubation ...
    • Randomized trial of thymectomy in myasthenia gravis 
      Wolfe, G. I.; Kaminski, H. J.; Aban, I. B.; Minisman, G.; Kuo, H. C.; Marx, A.; Ströbel, P.; Mazia, C.; Oger, J.; Cea, J. G.; Heckmann, J. M.; Evoli, A.; Nix, W.; Ciafaloni, E.; Antonini, G.; Witoonpanich, R.; King, J. O.; Beydoun, S. R.; Chalk, C. H.; Barboi, A. C.; Amato, (Massachussetts Medical Society, 2016)
      Copyright © 2016 Massachusetts Medical Society. BACKGROUND: Thymectomy has been a mainstay in the treatment of myasthenia gravis, but there is no conclusive evidence of its benefit. We conducted a multicenter, randomized ...
    • Rapamycin-conditioned dendritic cells activated with monophosphoryl lipid-A promote allograft acceptance in vivo 
      Campos Acuña, Javier; Pérez, Francisco; Narváez, Edgar; Campos Mora, Mauricio; Gajardo, Tania; Catalán Martina, Diego; Aguillón Gutiérrez, Juan Carlos; Pino Lagos, Karina (Future Medicine, 2015)
      Aim: To date, there is no human dendritic cell (DC) based therapy to prevent allograft rejection in transplanted patients. Here, we evaluate a potential protocol using a murine in vivo transplant model. Materials & ...
    • Rapid Blood Pressure Lowering According to Recovery at Different Time Intervals after Acute Intracerebral ... 
      Wang, Xia; Arima, Hisatomi; Al-Shahi Salman, Rustam; Woodward, Mark; Heeley, Emma; Stapf, Christian; Lavados Germain, Pablo Manuel; Robinson, Thompson; Huang, Yining; Wang, Jiguang; Delcourt, Candice; Anderson, Craig S. (Karger, 2015)
      Background and Purpose: Early intensive blood pressure (BP) lowering has been shown to improve functional outcome in acute intracerebral hemorrhage (ICH), but the treatment effect is modest and without a clearly defined ...
    • Rapid Blood-Pressure Lowering in Patients with Acute Intracerebral Hemorrhage 
      Anderson, Craig S.; Heeley, Emma; Huang, Yining; Wang, Jiguang; Stapf, Christian; Delcourt, Candice; Lindley, Richard; Robinson, Thompson; Lavados Germain, Pablo Manuel; Neal, Bruce; Hata, Jun; Arima, Hisatomi; Parsons, Mark; Li, Yuechun; Wang, Jinchao; Heritier, Stephane; Qiang, Li; Woodward, Mark; Simes, John; Davis, Stephen M.; Chalmers Barraza, John (Massachusetts Medical Society, 2013)
      Background Whether rapid lowering of elevated blood pressure would improve the outcome in patients with intracerebral hemorrhage is not known. Methods We randomly assigned 2839 patients who had had a spontaneous ...
    • Rapid Communication: Maternal melatonin implants improve fetal oxygen supply and body weight at term in ... 
      Sales, Francisco; Peralta, Oscar A.; Narbona, Eileen; Mccoard, Sue; González Bulnes, Antonio; Parraguez Gamboa, Víctor (Oxford University Press, 2019)
      Fetal hypoxia, resulting in oxidative stress in pregnancies, contributes to reduced fetal growth. Melatonin, a potent antioxidant, has been associated with improved oxidative status. Maternal oral melatonin supplementation ...
    • Rapid domoic acid depuration in the scallop argopecten purpuratus and its transfer from the digestive gland ... 
      Álvarez, Gonzalo; Rengel, José; Araya, Michael; Jara Álvarez, Francisco Javier; Pino, Roberto; Uribe, Eduardo; Díaz, Patricio A.; Rossignoli, Araceli E.; López Rivera, Américo; Blanco, Juan (MDPI, 2020)
      Domoic acid (DA), the main toxin responsible for Amnesic Shellfish Poisoning, frequently affects the marine resources of Chile and other countries across the South Pacific, thus becoming a risk for human health. One of the ...
    • Rapid Drop in Infant Blood Lead Levels during the Transition to Unleaded Gasoline Use in Santiago, Chile 
      Pino Zúñiga, Paulina; Burden, Matthew J.; Walter, Tomas; Lozoff, Betsy; Oyarzún Gómez, Manuel (HELDREF PUBLICATIONS, 2004-04)
      This study was conducted to relate blood lead levels in infants to changes in lead emissions in Santiago, Chile, a heavily polluted setting where leaded gasoline began to be replaced with unleaded gasoline in 1993. Over ...
    • Rapid kinetic studies of SH oxidation-induced calcium release from sarcoplasmic reticulum vesicles 
      Donoso Laurent, Paulina; Rodríguez, Patricia; Marambio, Paola (Academic Press Inc., 1997)
      We studied the kinetics of calcium release induced by SH oxidation in triads isolated from frog and rabbit skeletal muscle by measuring calcium fluxes by a fast filtration method. In both species SH oxidation induced release ...
    • Rapid preoperative preparation in hyperthyroidism 
      Baeza, A.; Aguayo, J.; Barria, M.; Pineda, G. (1991)
      Summary. objective We have evaluated an alternative method of preparation of hyperthyroid patients for surgery, using betamethasone, lopanoic acid and propranolol. design Betamethasone (0.5 mg every 6 hours), lopanoic acid ...
    • Rapidly growing retroauricular tumor 
      Palma Ducommun, Carlos; Calderón Herschman, Perla; Morales Huber, Claudia (Quadrant Healthcom, 2019-08)
    • Rapidly progressive facial ulcerated tumour Tumor ulcerado facial rápidamente progresivo 
      Arellano, Javier; Tapia, Gabriela; Vera, Valentina (Ediciones Doyma, S.L., 2019)
    • Rapidly progressive kidney failure associated with neutrophil anticytoplasmic autoantibodies. Anatomo-clinical ... 
      Wainstein,; Puelma,; Carrasco,; Guzmán Guzmán, Iris P (1993)
      We report a 63 year old woman with a rapidly progressive renal failure and fever of unknown origin. Laboratory tests showed anemia, increased ESR and a urine analysis compatible with a glomerular disease. Antineutrophil ...
    • Rat and hamster species differences in susceptibility to elastase-induced pulmonary emphysema relate to ... 
      Borzone, Gisella; Liberona, Leonel; Olmos, Pablo; Sáez, Claudia; Uribe Meneses, Manuel Ángel; Reyes, Tatiana; Moreno, Rodrigo; Lisboa, Carmen (2007)
      Syrian Golden hamsters develop severe emphysema after a single intratracheal dose of elastase, whereas Sprague-Dawley rats exhibit mild emphysema with the same dose per kilogram body weight. We hypothesized that the ...