[Selective use of glucocorticoids during the perioperative period of transsphenoidal surgery for pituitary tumors].

abstract：:We report a 10 years old boy, admitted with a history of asthenia, anorexia and weight loss of 4 kg. Initial laboratory work up showed metabolic acidosis and hyponatremia. The patient had no circadian rhythm of serum cortisol and an adrenal stimulation test confirmed the presence of adrenal insufficiency. Anti-adrenal...

journal_title：Revista medica de Chile

authors： Muzzo S,Izquierdo G,Verbeke S

更新日期：2002-08-01 00:00:00

abstract：BACKGROUND:Formative evaluation is a range of formal assessment employed by professors during the teaching process in order to modify curriculum activities, to improve student attainment. For students, it is helpful to evaluate their learning process. Although recommended, it is seldom used. AIM:To evaluate the percep...

journal_title：Revista medica de Chile

authors： Labarca J,Figueroa C,Huidobro B,Wright AC,Riquelme A,Moreno R

更新日期：2014-09-01 00:00:00

abstract：:Pancreatic choristoma is the occurrence of normal pancreatic tissue in an abnormal location without any anatomic continuity with the main body of the gland. Although heterotopia is uncommon in the gallbladder and biliary tract, anecdotic cases of gastric mucosa, liver, adrenal gland and pancreas among other tissues ha...

journal_title：Revista medica de Chile

authors： Beltrán MA,Barría C,Naquira C,Almonacid J,Cruces KS

更新日期：2007-10-01 00:00:00

abstract：BACKGROUND:Central nervous system damage associated to HTLV-I does not limit itself to the spinal cord, but also involves subcortical structures, producing cognitive impairment and behavioral changes which eventually could conform a new form of subcortical dementia. AIM:To study cognitive changes in patients with HTLV...

journal_title：Revista medica de Chile

authors： Cartier L,Gormaz A

更新日期：1999-04-01 00:00:00

abstract：:The great diversity of commercially available products for the serologic diagnosis of Chagas disease led us to conduct a study of these products in comparison with the indirect immunofluorescence test. Percent agreement between methods ranged from 79 to 100%, the details for each product being given in the text. Bette...

journal_title：Revista medica de Chile

authors： Astorga B,Herskovic P

更新日期：1990-10-01 00:00:00

abstract：:Splenic abscesses are infrequent and usually associated to sepsis and immunodepression. The diagnosis is commonly made in the necropsy. We report two cases of multiple splenic abscesses in type II diabetic patients that were diagnosed by ultrasound. Both patients were successfully managed with surgery (drainage of lef...

journal_title：Revista medica de Chile

authors： Gatica MA,Morales H,Harz C,Espinoza A

更新日期：1993-05-01 00:00:00

abstract：BACKGROUND:Culture is defined by the Webster's dictionary as acquaintance with and taste in fine arts, humanities, and broad aspects of science as distinguished from vocational and technical skills. AIM:To assess the general cultural knowledge of university students. MATERIAL AND METHODS:A test containing 58 question...

journal_title：Revista medica de Chile

authors： Vargas C NA,Pinochet T D,Juárez E P

更新日期：2010-03-01 00:00:00

abstract：BACKGROUND:Waist to height ratio and ultrasensitive C-reactive protein are predictors of the presence of the metabolic syndrome in children. AIM:To determine the proportional risk of metabolic syndrome component clustering in children, using waist to height ratio and ultrasensitive C-reactive protein. MATERIAL AND ME...

journal_title：Revista medica de Chile

authors： Arnaiz P,Marín A,Pino F,Barja S,Aglony M,Navarrete C,Acevedo M

更新日期：2010-11-01 00:00:00

abstract：:We studied plasma lipoproteins in 2 groups of 50 women each, one with a high (A) and the other low socio-economic status (B). Age, caloric intake, energy output and weight for height relation were comparable in both groups. A significant difference was found in plasma levels of triglycerides (A = 138.9 vs B = 104.8 mg...

journal_title：Revista medica de Chile

authors： Albalá C,Villarroel P,Olivares S,Truffello I,Vio Del F,Andrade M

更新日期：1989-01-01 00:00:00

abstract：BACKGROUND:Felodipine is a calcium channel inhibitor with high vascular selectivity. AIM:To study the effectiveness of felodipine in the treatment of essential hypertension in subjects older than 64 years old. PATIENTS AND OUTCOME:Fifty subjects were studied. After a washout period of four weeks, subjects received a ...

journal_title：Revista medica de Chile

authors： Fasce E,Peña L,Fasce M

更新日期：1996-07-01 00:00:00

abstract：:Physicians took part in the promotion of public policies that regulated urban and architectural work, before engineers, architects, planners, and even before the State had a chance to take part in the formulation of such policies. Starting in the late nineteenth century, and especially during the first decade of the t...

journal_title：Revista medica de Chile

authors： Ibarra M

更新日期：2016-01-01 00:00:00

abstract：:The prevalence of enamel fluorosis and its severity was studied in 118 young men of 2 socio-economic levels. The subjects were born and resided for at least 6 years in Chilean communities with different natural levels of fluoride in drinking water. There was a high prevalence of enamel defect overall (54%) most of it ...

journal_title：Revista medica de Chile

authors： Mella S,Atalah E,Aranda W,Montagna R

更新日期：1992-08-01 00:00:00

abstract：BACKGROUND:Burkitt lymphoma has a low incidence, is highly aggressive, may be endemic, sporadic or associated with immunodeficiency and it has a high frequency of extranodal involvement. Overall and relapse free survival in HIV patients is 72 and 71% respectively. However, the current protocol in Chile considers a posi...

journal_title：Revista medica de Chile

authors： Puga L B,Bustamante K K,Molina E J,Andrade M A

更新日期：2015-12-01 00:00:00

abstract：:Nucleolar organizer regions may be observed by colloidal silver stains. A considerable increase in the number of regions may be observed in tumors and other pathologic processes as an index of cellular proliferation. Among 20 studies in patients with gastric carcinoma we found a significantly greater number of nucleol...

journal_title：Revista medica de Chile

authors： Roa I,Araya JC,de Aretxabala X,Mauriz A,Cea M

更新日期：1989-08-01 00:00:00

abstract：BACKGROUND:Microbial invasion of amniotic cavity occurs in 30 to 50% of patients with premature membrane rupture. AIM:To determine the outcomes associated with microbial invasion of the amniotic cavity (MIAC) in patients with preterm premature rupture of membrane (pPROM). PATIENTS AND METHODS:One hundred thirty four ...

journal_title：Revista medica de Chile

authors： Ovalle S A,Gómez M R,Martínez T MA,Kakarieka W E,Fuentes G A,Aspillaga M C,Ferrand M P,Ramírez F C

更新日期：2005-01-01 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：:In an open, pilot study, the efficacy and safety of ursodeoxycholic acid (UDCA) in the treatment of intrahepatic cholestasis of pregnancy was investigated. Four patients received 1 g/day of UDCA during 20 days and another 2 patients received 2 identical periods of treatment separated by a 14-day interval free of drug....

journal_title：Revista medica de Chile

authors： Palma J,Reyes H,Ribalta J,Iglesias J,González M,Hernández I,Alvarez C,Molina C,Danitz AM

更新日期：1991-02-01 00:00:00

abstract：BACKGROUND:The classic diagnosis of Barret esophagus is based on the finding of three of more cm of distal esophagus covered by specialized columnar epithelium. However, at the present time, it is based on the presence of intestinal metaplasia in the junction of squamous-columnar mucosae. AIM:To assess the prevalence ...

journal_title：Revista medica de Chile

authors： Csendes A,Smok G,Sagastume H,Rojas J

更新日期：1998-02-01 00:00:00

abstract：:Serotonin reuptake inhibitors, used as antidepressants, may cause hyponatremia due to a syndrome of inappropriate antidiuretic hormone, specially in elders. Thirty cases with such complication have been reported in the last six years. We report a 76 years old female with a hypertensive cardiopathy and paroxysmal atria...

journal_title：Revista medica de Chile

authors： Miranda M,Armijo G,Miranda P

更新日期：1999-03-01 00:00:00

abstract：BACKGROUND:Professional Social Responsibility is now imperative for the practice of medicine. However, there are no instruments to assess it among physicians. AIM:To construct and evaluate the factorial structure and reliability of a questionnaire designed to measure socially responsible behavior in physicians. MATER...

journal_title：Revista medica de Chile

authors： Alvarado DF,Pérez CV,Navarro GS

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Osteoporotic hip fractures are devastating events in older women. There is a genetic modulation of bone phenotypic parameters including bone density (BMD) and bone fragility fractures. Vitamin D receptor (VDR) gene polymorphisms explain a small part of the genetic influence on BMD, whereas their effect on fr...

journal_title：Revista medica de Chile

authors： Quevedo L I,Martínez B M,Castillo N M,Rivera F N

更新日期：2008-04-01 00:00:00

abstract：BACKGROUND:Evaluation of 24-hour collection accuracy is based on urinary creatinine excretion (UCr), usually using wide ranges indexed by weight. Equations that predict the expected UCr are also available. AIM:To generate an equation for estimating UCr in Chilean population and evaluate its performance in comparison t...

journal_title：Revista medica de Chile

authors： Huidobro Espinosa JP,Sepúlveda RA,Muñoz GM

更新日期：2020-06-01 00:00:00

abstract：:Regardless of the diagnostic criteria, the metabolic syndrome is found at least in 20% of the population. The adipose tissue plays an important role in the insulin resistance found in this syndrome. Free fatty acids released by intra-abdominal adipocytes produce an inflammatory and pro-thrombotic response and the pers...

journal_title：Revista medica de Chile

authors： Martínez R G,Alonso K R,Novik A V

更新日期：2009-05-01 00:00:00

abstract：:The aim of this article is to analyze the current situation of AIDS in Latin American countries. Specifically, to compare their situation with other geographic areas of the planet, the prevalence index per countries, distribution per sex and age and, finally, the main ways of transmission in each country. The most rec...

journal_title：Revista medica de Chile

authors： Buela-Casal G,Bermúdez MP,Sánchez AI,De los Santos-Roig M

更新日期：2001-08-01 00:00:00

abstract：:Arterial involvement in Behçet's disease (BD) is less common than venous lesions. The most commonly affected arteries are: the aorta, lower extremity arteries, mesenteric, femoral, coronary, renal, subclavian and pulmonary arteries. The rupture of pulmonary arteries is the main cause of death of patients with EB and t...

journal_title：Revista medica de Chile

authors： Abarca M,Santamarina M,Vergara C,Vega J

更新日期：2018-04-01 00:00:00

abstract：:Nausea and vomiting of pregnancy, "morning sickness", is a common contemporary complaint. Many pregnant patients note alterations in smell and taste which can precipitate "morning sickness", symptoms that characterize early gestation. Epidemiologic studies suggest that pregnancies accompanied by "morning sickness" hav...

journal_title：Revista medica de Chile

authors： Lee RV

更新日期：2002-05-01 00:00:00

abstract：:We report a 11 years old male diagnosed as a X-linked hyper-IgM syndrome that presented with recurrent infections and sclerosing cholangitis and later developed a gallbladder cancer. Immunological evaluation showed decreased levels of serum IgG and IgA with elevated levels of IgM. Study of CD40 ligand expression on mi...

journal_title：Revista medica de Chile

authors： Rodríguez C,Carrión F,Marinovic MA,Chávez E,Preisler J,Pooley F,Futatani T,Ochs HD

更新日期：2003-03-01 00:00:00

abstract：BACKGROUND:Maximal oxygen uptake is considered by the International Biological Programme as the international standard of cardiorespiratory adequacy and physical condition. AIM:To measure maximal oxygen uptake in normal Chilean subjects, to establish normal reference values. SUBJECTS AND METHODS:Maximal oxygen uptake...

journal_title：Revista medica de Chile

authors： Donoso H,Osorio J

更新日期：1997-09-01 00:00:00

abstract：BACKGROUND:An appropriate measurement of physical activity (PA) in children is useful, since inactivity is associated to obesity, cardiovascular and metabolic risk. AIM:To assess the reliability of the INTA questionnaire of PA, to compare the derived PA score with accelerometry and to assess its ability to identify ex...

journal_title：Revista medica de Chile

authors： Godard M C,Rodríguez N Mdel P,Díaz N,Lera M L,Salazar R G,Burrows A R

更新日期：2008-09-01 00:00:00

abstract：:Master of Internal Medicine is the highest award granted by the Chilean Society of Internal Medicine (Sociedad Médica de Santiago) to its members. Since this award was instituted, in 1981, the Society has given it periodically to the most distinguished Chilean physicians. All nominees are considered a model as a physi...

journal_title：Revista medica de Chile

authors：

更新日期：2007-11-01 00:00:00