Browsing by Title Facultad de Medicina

Now showing items 1391-1410 of 12947

    • Beneficios de los antibióticos en la rotura prematura de membranas de pretérmino y factores que intervienen ... 
      Ovalle Salas, Alfredo; Figueroa, Jorge (Sociedad Chilena de Obstetricia y Ginecología, 2021)
      El parto prematuro es la principal causa de morbilidad y de mortalidad perinatal, y hasta un tercio de los casos presentan rotura prematura de membranas. La infección intrauterina que asciende desde la vagina es su principal ...
    • Benefits of supplemented preterm formulas on insulin sensitivity and body composition after discharge from ... 
      Pittaluga, Enrica; Vernal, Patricia; Llanos, Adolfo; Vega, Susana; Henrriquez, Maria Teresa; Morgues, Monica; Escobar, Marisol; Diaz, Alexis; Standen, Jane; Moncada, Paulina; Arriagada, Marina; Rodriguez, Lorena; Mericq, Verónica (Mosby Inc., 2011)
      Objective: To evaluate body composition and fasting insulin level in preterm infants receiving preterm formulas (higher protein plus docosahexaenoic acid) for longer periods compared with a recent historical cohort receiving ...
    • Benign tumors and pseudotumors of the Nail: A novel application of sonography 
      Wortsman, Ximena; Wortsman, Jacobo; Soto, Rosamary; Saavedra, Tirza; Honeyman Mauro, Juan; Sazunic,; Corredoira, Yamile (John Wiley and Sons Ltd, 2010)
      Objective. The purpose of this study was to determine the scope of high-resolution sonography in the detection of benign tumors and pseudotumors of the nail unit. Methods.We performed a retrospective study of the sonographic ...
    • Benznidazole and Posaconazole in Eliminating Parasites in Asymptomatic T. Cruzi Carriers: The STOP-CHAGAS Trial 
      Morillo, Carlos A.; Waskin, Hetty; Sosa Estani, Sergio; Bangher, María del Carmen; Cuneo, Carlos; Milesi, Rodolfo; Mallagray, Marcelo; Apt Baruch, Werner; Beloscar, Juan; Gascon, Joaquim; Molina, Israel; Echeverría, Luis E.; Colombo, Hugo; Pérez Molina, José Antonio; Wyss, Fernando; Meeks, Brandi; Bonilla, Laura R.; Gao, Peggy; Bo Wei, Bo; McCarthy, Michael; Yusuf, Salim (Elsevier, 2017)
      BACKGROUND Benznidazole is recommended for treatment of Chagas infection. Effects of combination therapy with benznidazole and posaconazole have not been tested in Trypanosoma cruzi carriers. OBJECTIVES The purpose of ...
    • Benznidazole prevents endothelial damage in an experimental model of Chagas disease 
      Molina Berríos, Alfredo Enrique; Campos Estrada, Carolina; Lapier, Michel; Duaso, Juan; Kemmerling Weis, Ulrike; Galanti Garrone, Norbel; Leiva, Mario; Ferreira, Jorge; López Muñoz, Rodrigo; Maya Arango, Juan (Elsevier, 2013)
      Objectives: To evaluate the effect of benznidazole on endothelial activation in a murine model of Chagas disease. Methods: A low (30 mg/kg/day) and a high (100 mg/kg/day) dose of benznidazole were administered to mice ...
    • Benzodiazepine use in Chile: Impact of availability on use, abuse, and dependence 
      Busto, Usoa E.; Ruiz, Inés; Busto, Miren; Gacitúa, Andrés (1996)
      This study tested the hypothesis whether over-the-counter benzodiazepine availability influenced patterns of benzodiazepine use, abuse, and dependence in Chile. If over-the-counter availability represents a major risk ...
    • Bernese periacetabular osteotomy: functional outcomes in patients with untreated intra-articular lesions 
      Lara, Joaquín; Garín, Alan; Herrera, Cristhián; Abara, Selim; Besomi, Javier; Villegas, Diego; Neumann, Hassan; Tobar, Carlos (Oxford University Press, 2020)
      Developmental dysplasia of the hip (DDH) has been recognized to be a condition leading to osteoarthritis. Periacetabular osteotomy (PAO) has showed good results on hip preservation treatment for these cases. Nevertheless, ...
    • beta - Klotho in patients with type 1 diabetes 
      Iñíguez Vila, Germán; Gaete Vásquez, Ximena; Miranda, Lia; López Romero, Patricia Eugenia; Mira Olivos, Magdalena; Codner Dujovne, Ethel (Karger, 2017)
    • Beta-Actin shows limited mobility and is required only for supraphysiological insulin-stimulated glucose ... 
      Madsen, Agnete R.; Knudsen, Jonas R.; Henríquez Olguín, Carlos; Angin, Yeliz; Zaal, Kristien J.; Sylow, Lykke; Schjerling, Peter; Ralston, Evelyn; Jensen, Thomas E. (American Physiological Society, 2018)
      Studies in skeletal muscle cell cultures suggest that the cortical actin cytoskeleton is a major requirement for insulin-stimulated glucose transport, implicating the beta-actin isoform, which in many cell types is the ...
    • Beta2-adrenergic receptor regulates cardiac fibroblast autophagy and collagen degradation 
      Aránguiz Urroz, Pablo Daniel; Canales, Jimena; Copaja, Miguel; Troncoso, Rodrigo; Vicencio Bustamante, José Miguel; Carrillo, Constanza; Lara Peñaloza, Hernán; Lavandero González, Sergio; Díaz Araya, Guillermo (2011)
      Autophagy is a physiological degradative process key to cell survival during nutrient deprivation, cell differentiation and development. It plays a major role in the turnover of damaged macromolecules and organelles, and ...
    • Betamethasone inhibits tumor development, microvessel density and prolongs survival in mice with a ... 
      Garrido, Osvaldo; Letelier, René; Rosas, Carlos; Fuenzalida, Marcela; Ferreira, Arturo; Lemus, David (Society of Biology of Chile, 2010)
      Tumor resistance to traditional cancer treatments poses an important challenge to modern science. Thus, angiogenesis inhibition is an important emerging cancer treatment. Many drugs are tested and corticosteroids have shown ...
    • Beyond selection 
      Vargas, Alexander O. (Sociedad de Biología de Chile, 2005-12)
      It has been argued that the study of natural selection and quantitative genetics should have a central role in evolutionary thinking and undergraduate teaching in Chile. Extensive operational use of the concept of natural ...
    • Beyond the "First Hit": Marked Inhibition by N-Acetyl Cysteine of Chronic Ethanol Intake But Not of Early ... 
      Quintanilla González, María Elena; Rivera Meza, Mario; Berríos Cárcamo, Pablo; Salinas Luypaert, Catalina; Herrera-Marschitz Muller, Mario; Israel Jacard, Yedy (Wiley-Blackwell, 2016)
      Background: A number of studies have shown that acetaldehyde synthesized in the brain is necessary to induce ethanol (EtOH) reinforcement in naive animals (acquisition phase). However, after chronic intake is achieved ...
    • Beyond the anglophone world: On the goals of medicine: A Chilean perceptives 
      Lolas Stepke, Fernando (Elsevier Ltd, 1996)
    • Beyond the Categorical Distinction Between Borderline Personality Disorder and Bipolar II Disorder Through ... 
      Villarroel, J; Salinas, V; Silva, H; Herrera, L; Montes, C; Jerez, S; Vohringer, PA; Bustamante, ML (Frontiers Media S.A.c/o Michael Kenyonch. de la Pecholettaz 6, Epalinges1066info@frontiersin.org, 2020)
    • Bezoar gástrico como complicación de banda gástrica en manejo de obesidad mórbida. Caso clínico 
      Cortés, Claudio; Silva, Claudio (SOC MEDICA SANTIAGO, 2008-11)
      Laparoscopic adjustable gastric banding (LAGB) is used for the management of morbid obesity. Phytobezoars are rarely reported as a complication of this operation and are usually extracted by endoscopic means. We report a ...
    • BH3-only proteins are part of a regulatory network that control the sustained signalling of the unfolded ... 
      Rodriguez, Diego A.; Zamorano, Sebastian; Lisbona, Fernanda; Rojas Rivera, Diego; Urra, Hery; Cubillos-Ruiz, Juan R.; Armisen Yáñez, Ricardo; Henriquez, Daniel R.; Cheng, Emily; Letek, Michal; Vaisar, Tomas; Irrazabal, Thergiory; González Billault, Christian; Letai, Antho (2012)
      Adaptation to endoplasmic reticulum (ER) stress depends on the activation of the unfolded protein response (UPR) stress sensor inositol-requiring enzyme 1α(IRE1α), which functions as an endoribonuclease that splices the ...
    • Bilateral laparoscopic adrenalectomy 
      Castillo, Octavio A.; Vitagliano, Gonzalo; Cortes, Oscar; Kerkebe, Marcelo; Pinto, Ivan; Arellano, Leonardo (2007)
      Background and Purpose: Laparoscopic adrenalectomy has become the gold standard in the surgical management of adrenal pathology. Bilateral adrenalectomy is indicated in patients with Cushing's disease secondary to macroadenoma ...
    • Bilateral simultaneous laparoscopic adrenalectomy for congenital adrenal hyperplasia: Initial experience 
      Castillo, Octavio A.; Foneron, Alejandro; Vidal-Mora, Ivar; Sánchez-Salas, Rafael; Vitagliano, Gonzalo; Díaz, Manuel (Elsevier Ltd, 2011)
      Objective: Congenital adrenal hyperplasia (CAH) is an uncommon syndrome which represents a therapeutic challenge. We analyzed the role of bilateral simultaneous laparoscopic adrenalectomy in the management of CAH. Material ...
    • Bile acids induce alterations in mitochondrial function in skeletal muscle fibers 
      Abrigo, Johanna; Olguín, Hugo; Gutiérrez, Danae; Tacchi, Franco; Arrese, Marco; Cabrera, Daniel; Valero Breton, Mayalan; Elorza, Alvaro A.; Simon Pino, Felipe Alonso; Cabello Verrugio, Claudio (MDPI, 2022)
      Cholestatic chronic liver disease is characterized by developing sarcopenia and elevated serum levels of bile acids. Sarcopenia is a skeletal muscle disorder with the hallmarks of muscle weakness, muscle mass loss, and ...