[Antimicrobial activity of actinomycetes isolated from aquatic environments in southern Chile].

abstract：:The most significant facts in the development of Chilean cardiology since 1930 are reviewed. The preeminence of great clinicians in the thirties was followed by the creation of Departments of Cardiology in University Hospitals. The emergence of powerful diagnostic tools and cardiac surgery allowed an accelerated devel...

journal_title：Revista medica de Chile

authors： Noguera H

更新日期：1990-10-01 00:00:00

abstract：:The administration of an angiotensin-converting enzyme (ACE) inhibitor transitorily reduces the GFR in a kidney with renal artery stenosis, effect that can be ascertained with scintigraphic studies using ACE inhibitors. We evaluated the clinical usefulness of captopril renography (CR) in the diagnosis of renovascular ...

journal_title：Revista medica de Chile

authors： Orellana P,Jalil R,Valdés F,Fava M,Olea E,Fernández MS,Valdés G,Contreras O,Fontbote C

更新日期：1993-07-01 00:00:00

abstract：:Tumorogenesis is associated with several events by which a normal cell transforms itself into a tumour cell with an increased proliferation rate. One of the most important research initiatives in this area is the characterization of the molecular mechanisms involved in tumorogenesis and cancer. Oncogenes and tumour su...

journal_title：Revista medica de Chile

authors： Flores C,Sobrevia L

更新日期：2000-05-01 00:00:00

abstract：BACKGROUND:Squamous Cell Carcinoma (SCC) of the lip represents about 20% of all oral carcinomas. It is more common in men, peaking during their sixth and seventh decade, and is more prevalent in the lower lip. AIM:To determine the five years survival rate of Chilean patients with lip SCC. MATERIAL AND METHODS:The reg...

journal_title：Revista medica de Chile

authors： Cabello B T,Sazo B N,Salgado F A,Martínez R B

更新日期：2015-07-01 00:00:00

abstract：BACKGROUND:Mitral balloon valvuloplasty (MBV) is the therapy of choice for the treatment of symptomatic mitral stenosis with suitable anatomy. Although its short and mid-term results are favorable, there is a paucity of information about long-term follow-up. AIM:To assess the late results of MBV. MATERIAL AND METHODS...

journal_title：Revista medica de Chile

authors： Martínez R G,Fajuri N A,Córdova A S,Braun J S,Marchant D E,Guarda S E,Veas P N,Méndez L M,Lindefjeld C D,Pérez P O,Flores A,Valenzuela E,Martínez S A

更新日期：2014-11-01 00:00:00

abstract：BACKGROUND:There is paucity of information about viral etiology of community acquired pneumonia in adults. AIM:To investigate the viral etiology of pneumonia among hospitalized patients. MATERIAL AND METHODS:All adults with pneumonia that were hospitalized were prospectively enrolled at Puerto Montt hospital. A micro...

journal_title：Revista medica de Chile

authors： Rioseco Z ML,Riquelme O R,Riquelme O M,Inzunza P C,Oyarzún G P,Agüero O Y,Ferrés G M,Vial C P,Fasce P R,Torres M A

更新日期：2012-08-01 00:00:00

abstract：:Protective immunity against rotavirus infection is directed against antigenic epitopes on the outer capsid proteins VP7 and VP4. The aim of this study was to characterize the VP7 and VP4 antigenic types circulating in different hospital areas of Santiago, Chile, over different time periods. Between April 1993 and Apri...

journal_title：Revista medica de Chile

authors： O'Ryan M,Mamani N,Avendaño LF,Cohen J,Peña A,Villarroel J,Chávez A,Prado V,Valdivieso F,Kaltwasser G

更新日期：1995-05-01 00:00:00

abstract：:In biomedical measurement, comparisons between two instruments or between a new instrument and the gold standard is commonly needed to evaluate the reliability and validity of the instruments. Such studies are frequently analyzed using statistics that are inappropriate for studying concordance. This article reviews th...

journal_title：Revista medica de Chile

authors： Bangdiwala SI,Muñoz SR

更新日期：1997-04-01 00:00:00

abstract：BACKGROUND:On February 27, 2010 a powerful earthquake followed by a tsunami stroke Chile. The study of mortality during this emergency can provide important public health information. AIM:To describe the main characteristics of people who died during the earthquake and the following three months. MATERIAL AND METHODS...

journal_title：Revista medica de Chile

authors： Lastra T J,Guzmán C G,Conejeros R C,Suárez V G,Chávez F O

更新日期：2012-06-01 00:00:00

abstract：:Chronic inflammatory demyelinating polyneuropathy is a heterogeneous disease characterized by symmetrical motor and sensitive alterations, absence of tendon reflexes and increased cerebrospinal fluid protein levels. We report 6 patients with the disease, (three males) aged 41 to 70 years old. Four had the classical pr...

journal_title：Revista medica de Chile

authors： Araya P,Fruns M,Silva C,Pedraza L

更新日期：1996-11-01 00:00:00

abstract：:Considering that a high proportion of the Chilean general population smokes, the Chilean Society of Respiratory Diseases in collaboration with the Chilean Societies of Cardiology and, Endocrinology and Diabetes, formed an interdisciplinary group, who issued a set of recommendations for the treatment of the smoker, met...

journal_title：Revista medica de Chile

authors： Corvalán B MP,Véjar M L,Bambs S C,Pavié G J,Zagolin B M,Cerda L J

更新日期：2017-11-01 00:00:00

abstract：BACKGROUND:Cardiovascular diseases are the main causes of death in Chile and there is a high prevalence of cardiovascular risk factors in the population. AIM:To assess the prevalence of those risk factors in a group of employees. SUBJECTS AND METHODS:We studied 2,219 individuals, 1,378 males with a mean age of 46.2 +...

journal_title：Revista medica de Chile

authors： Lanas F,Del Solar J,Maldonado M,Guerrero MA,Espinoza F

更新日期：2003-02-01 00:00:00

abstract：:The new Chilean regulation about patients' rights and duties is generating a significant change in the information that health care professionals must provide to their patients. This issue will gravitate on medical liability. If this duty is accomplished incorrectly, professionals would fall into an illicit act and be...

journal_title：Revista medica de Chile

authors： Pizarro W C

更新日期：2018-08-01 00:00:00

abstract：BACKGROUND:Cellular immune mechanisms of the resistance to infection by T cruzi as well as the pathogenesis of Chagas disease are still controversial. AIM:To quantify and analyse the peripheral blood immune cells from chagasic and non chagasic patients by flow cytometry. PATIENTS AND METHODS:Peripheral blood samples ...

journal_title：Revista medica de Chile

authors： Sánchez G,Zulantay I,Gajardo M,Venegas J,Villanueva R,Pérez A,Liendo F,Apt W,Solari A

更新日期：2002-04-01 00:00:00

abstract：:We report a 64 years old female admitted with fever, cough, dyspnea and lung opacities in the chest X ray. A chest tomography scan (CTS) showed multiple-bilateral ring-shaped opacities and the reversed halo sign (RHS). The patient did not improve with antimicrobial therapy (AT). Infection and rheumatologic causes were...

journal_title：Revista medica de Chile

authors： Schiappacasse G,Acevedo A,Martínez R,Escobar J,Hernández A,Pires Y

更新日期：2019-05-01 00:00:00

abstract：:Hyperbaric oxygenation consists in exposing patients to increased gas pressures while inhaling pure oxygen. It involves the use of hyperbaric chambers that can double or triple gas pressure inside them. Hyperbaric oxygenation may be useful in different clinical situations, but mostly for the treatment of decompression...

journal_title：Revista medica de Chile

authors： Berner JE,Vidal P,Will P,Castillo P

更新日期：2014-12-01 00:00:00

abstract：:This is a comparative review of sick leave and wage replacement policies among countries of the Organization for Economic Co-operation and Development (EOCD), an organism that Chile joined recently. This review also deals with the main transformations applied to the system to improve its effciency and the variables th...

journal_title：Revista medica de Chile

authors： Vergara M

更新日期：2011-04-01 00:00:00

abstract：:Antibacterial potency of cephalosporins depends on inhibition (acylation) of one or more penicillin-binding proteins (PBP). Recently, reduced affinity of PBP for cephalosporins and other B-lactam agents has been found in some cases. Mechanism for these changes in affinity are analyzed in this review. ...

journal_title：Revista medica de Chile

authors： Garrido J,López F

更新日期：1989-09-01 00:00:00

abstract：:Using the social survey technique, a random sample of 464 students from the Universidad Austral answered a structured questionnaire about behavior and attitudes towards sex. Results show that the majority of students have had sexual experiences. Men and women differ significantly in motivations and age at the start of...

journal_title：Revista medica de Chile

authors： Repossi A,Araneda JM,Bustos L,Puente C,Rojas C

更新日期：1993-02-01 00:00:00

abstract：BACKGROUND:There is a correlation between aging and the decrease of plasma levels of vitamin B-12. AIM:To determine the prevalence of vitamin B-12 and folate deficiency and its hematological impact among older adults (AM). MATERIAL AND METHODS:Cross-sectional study, in 1028 subjects aged 65 to 87years, living in comm...

journal_title：Revista medica de Chile

authors： Sánchez H,Albala C,Herlramp F E,Verdugo R,Lavados M,Castillo JL,Lera L,Uauy R

更新日期：2010-01-01 00:00:00

abstract：:An increased life expectancy is associated to a nation's progress. Life expectancy at birth is 78 years in developed countries, 72 in Latin America, 70 in China, 63 in Eastern Europe and 51 in Africa. Chile is the Latin American country with the higher increment in life expectancy, reaching 75 years at birth, during t...

journal_title：Revista medica de Chile

authors： Medina Lois E

更新日期：1999-06-01 00:00:00

abstract：BACKGROUND:Hürthle cells can be found in non malignant thyroidal diseases such as Basedow Graves and Hashimoto diseases. When Hürthle cells comprise more the 75% of cellularity, they become a neoplasm. There are malignant variants of these neoplasms, constituted by follicular and papillary Hürthle cell carcinomas. AIM...

journal_title：Revista medica de Chile

authors： Sanz J,Cerpa F,Domínguez M,Franco C,Jadresic A,Pérez G,Phillipi V

更新日期：1999-07-01 00:00:00

abstract：:This is the conference given by Jorge Mardones, Emeritus Professor of the University of Chile on the occasion of receiving the Juvenal Hernández award. A biographical trace of Professor Mardones scientific career and its motivations, including his relation to outstanding Chilean scientists is included. A remembrance o...

journal_title：Revista medica de Chile

authors： Mardones J

更新日期：1989-02-01 00:00:00

abstract：BACKGROUND:There is no conclusive evidence about the association between physical fitness (PF) and health related quality of life (HRQOL) in older adults. AIM:To seek for an association between PF and HRQOL in non-disabled community-dwelling Chilean older adults. MATERIAL AND METHODS:One hundred and sixteen subjects ...

journal_title：Revista medica de Chile

authors： Guede Rojas F,Chirosa Ríos LJ,Fuentealba Urra S,Vergara Ríos C,Ulloa Díaz D,Campos Jara C,Barbosa González P,Cuevas Aburto J

更新日期：2017-01-01 00:00:00

abstract：BACKGROUND:Non cardiac chest pain can be caused by esophageal problems such as gastroesophageal reflux or smooth muscle motor disorders. AIM:To perform esophageal manometry in patients with non cardiac chest pain. MATERIAL AND METHODS:One hundred patients with chest pain in whom coronary problems were discarded, were...

journal_title：Revista medica de Chile

authors： Rencoret G,Csendes A,Henríquez A

更新日期：2006-03-01 00:00:00

abstract：BACKGROUND:Postpartum depression is a serious, common, treatable condition, with broad repercussions in mother and family life, but frequently under diagnosed. A screening tool, the Edinburgh Postnatal Depression Scale (EPDS) could improve the detection rate of depressive symptoms. AIM:To assess the efficacy of EPDS i...

journal_title：Revista medica de Chile

authors： Castañón S C,Pinto L J

更新日期：2008-07-01 00:00:00

abstract：:Aiming to correlate the alterations in evoked potentials with the initial clinical manifestations of multiple sclerosis, 29 patients with the disease were studied and 19 were followed for a lapse ranging from 1 to 11 years. Visual evoked potentials were studied in all the patients and 51% were abnormal. Auditory evoke...

journal_title：Revista medica de Chile

authors： Ferrer S,Jiménez P,Mellado L,Thieck E

更新日期：1993-10-01 00:00:00

abstract：:We describe the clinical features and immunophenotype of 500 children and 131 adults with acute lymphoblastic leukemia (ALL), diagnosed between 1984 and 1993. Cases were classified, according to immunophenotype in B-cell ALL with three subtypes (pro-B or null, common and B) and T-cell ALL. Among children, common ALL a...

journal_title：Revista medica de Chile

authors： Cabrera ME,Labra S,Ugarte S,Matutes E,Greaves MF

更新日期：1996-03-01 00:00:00

abstract：BACKGROUND:The pathophysiological hallmark of the hepatorenal syndrome (HRS) is renal vasoconstriction. Doppler ultrasonography can be used to assess the vascular resistance in small renal intraparenchymal vessels through analysis of the Doppler waveform by a parameter termed Resistive Index (RI). We postulated that th...

journal_title：Revista medica de Chile

authors： Bardi A,Sapunar J,Oksenberg D,Poniachik J,Fernández M,Paolinelli P,Orozco R,Biagini L

更新日期：2002-02-01 00:00:00

abstract：:Environmental factors may influence the development of Inflammatory Bowel Disease and modify its natural history. The objective of this review is to evaluate current evidence about environmental factors associated with the disease. A better knowledge about the pathogenesis of the disease can lead to better treatment s...

journal_title：Revista medica de Chile

authors： Meligrana NE,Quera R,Figueroa C,Ibáñez P,Lubascher J,Kronberg U,Flores L,Simian D

更新日期：2019-02-01 00:00:00