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<front>
<journal-meta>
<journal-id pub-id-type="pid">S0001-600220010001</journal-id>
<journal-title>Acta Médica Costarricense</journal-title>
<abbrev-journal-title>Acta méd. costarric</abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name>Colegio de Médicos y Cirujanos de Costa Rica</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022001000100001</article-id>
<title-group>
<article-title xml:lang="es">La nueva &quot;Regla Pediátrica&quot; y los ensayos clínicos controlados</article-title>
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<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Arguedas Arguedas</surname>
<given-names>Olga</given-names>
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<xref ref-type="aff" rid="A01"/>
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<contrib contrib-type="author">
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<surname>Mohs Villalta</surname>
<given-names>Edgar</given-names>
</name>
<xref ref-type="aff" rid="A02"/>
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<aff id="A01">
<institution>,Caja Costarricense de Seguro Social  </institution>
<addr-line> </addr-line>
</aff>
<aff id="A02">
<institution>,Caja Costarricense de Seguro Social  </institution>
<addr-line> </addr-line>
</aff>
<pub-date pub-type="pub">
<month>03</month>
<year>2001</year>
</pub-date>
<pub-date pub-type="epub">
<year>2001</year>
</pub-date>
<volume>43</volume>
<fpage>03</fpage>
<lpage>04</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022001000100001&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022001000100001&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022001000100001&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
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</article>
<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id pub-id-type="pid">S0001-600220010001</journal-id>
<journal-title>Acta Médica Costarricense</journal-title>
<abbrev-journal-title>Acta méd. costarric</abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name>Colegio de Médicos y Cirujanos de Costa Rica</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022001000100002</article-id>
<title-group>
<article-title xml:lang="es">Taponamiento cardíaco</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Salazar Vargas</surname>
<given-names>Carlos</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution>,Hospital México  </institution>
<addr-line> </addr-line>
</aff>
<pub-date pub-type="pub">
<month>03</month>
<year>2001</year>
</pub-date>
<pub-date pub-type="epub">
<year>2001</year>
</pub-date>
<volume>43</volume>
<fpage>05</fpage>
<lpage>06</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022001000100002&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022001000100002&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022001000100002&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
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</article>
<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id pub-id-type="pid">S0001-600220010001</journal-id>
<journal-title>Acta Médica Costarricense</journal-title>
<abbrev-journal-title>Acta méd. costarric</abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name>Colegio de Médicos y Cirujanos de Costa Rica</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022001000100003</article-id>
<title-group>
<article-title xml:lang="es">Taponamiento pericárdico</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Sánchez-Suen</surname>
<given-names>Kwok Ho</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Padilla-Cuadra</surname>
<given-names>Juan Ignacio</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution>,Hospital Dr. Rafael Angel Calderón Guardia  </institution>
<addr-line> </addr-line>
</aff>
<pub-date pub-type="pub">
<month>03</month>
<year>2001</year>
</pub-date>
<pub-date pub-type="epub">
<year>2001</year>
</pub-date>
<volume>43</volume>
<fpage>07</fpage>
<lpage>10</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022001000100003&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022001000100003&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022001000100003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>El taponamiento pericárdico es una entidad de creciente incidencia, debido principalmente al incremento en los traumatismos cardiotorácicos y procedimientos invasivos. Fisiopatológicamente, se caracteriza por ser una condición en la que se limita la expansión de las cámaras cardíacas, como consecuencia de la compresión aguda de ellas por aumento del volumen y de la presión del líquido pericárdico. Este estado puede evolucionar hacia un shock obstructivo potencialmente letal si no es diagnosticado y tratado oportunamente.</p></abstract>
<abstract abstract-type="short" xml:lang="en"><p>The incidence of cardiac tamponade is increasing. This is mainly due to cardiothoracic trauma and invasive procedures. From the pathophysiological point of view, it is characterized by a restriction to the expansion of the cardiac chambers as a consequence of increased intrapericardial pressure and volume. This state can change lo a obstructive shock which is potentially lethal if not promptly diagnosed and treated.</p></abstract>
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<kwd>taponamiento</kwd>
<kwd>pericardiocentesis</kwd>
<kwd>derrame pericárdico</kwd>
<kwd>fisiopatología</kwd>
</kwd-group>
</article-meta>
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<front>
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<institution>,Hospital Dr. Rafael Angel Calderón Guardia  </institution>
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<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022001000100004&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022001000100004&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022001000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>El síncope neurocardiogénico es uno de los llamados síncopes reflejos. Es un trastorno muy frecuente y su diagnóstico es relativamente fácil si se tiene en mente. Hasta hace algunos años, muchos de estos síncopes se catalogaban como de causa desconocida. El uso de la prueba de inclinación ha permitido un estudio más completo de estos enfermos y por lo tanto un tratamiento más adecuado. En este artículo se hace una revisión de algunos conceptos generales de esta entidad, así como su fisiopatología, características clínicas de los pacientes, respuestas a la prueba de inclinación y tratamiento tanto farmacológico como no farmacológico.</p></abstract>
<abstract abstract-type="short" xml:lang="en"><p>The neurocardiogenic syncopc is one of the reflex syncopes. lt is very frequent in clinical practice and its diagnostics is relatively easy. In the past, many of these syncopes were classified as of undetermined cause. A basic understanding of syncopes and related disorders is essential for the diagnosis and its proper treatment. The tilt test is very important in this context. This article provides an overview of these conditions, their pathophysiology, clinical features, head-up tilttable testing responsos, pharmacologie and non pharmacologic therapy.</p></abstract>
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<article-id>S0001-60022001000100005</article-id>
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<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022001000100005&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022001000100005&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022001000100005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>Justificación: La Hipertensión Arterial es una enfennedad crónica y asintómatica, ocupa la primera causa de consulta médica ambulatorio, contribuye directamente con la primera causa de mortalidad en el país, y casi siempre es fácil de tratar con una intervención integral que incluye la terapia farmacológica. Objetivo: Identificar los fármacos con mayor consumo institucional, valorar si el perfil resultante es compatible con los principios del uso racional de antihipertensivos y comparar la utilización de estos agentes entre clínicas similares de atención médica ambulatorio, durante un periodo anual. Métodos: Estudio observacional de tipo farmacoepidemiológico, se obtuvo el registro del consumo institucional de cada antihipertensivo y reporte local de consumo mensual de seis centros de atención médica ambulatorio,durante 1999. Se calculó dosis diaria definida (DDD) y estimación de pacientes tratados y se hizo un análisis estadístico descriptivo. Resultados: Los fármacos más prescritos fueron atenolol (25%), enalapril (21%) e hidroclorotiacida (19%); según DDD, el consumo global de atenolol fue 39%, enalapril 25% e hidroclorotiacida 23%, con lo que se benefició el 87% de los pacientes tratados. Con los antihipertensivos se dio tratamiento a unos 185,639 pacientes. Al nivel local, los perfiles de consumo tienden a simular la distribución institucional al predominar el uso de atenolol pero se alterna el diurético con enalapril; se registraron variaciones en el consumo mensual durante el periodo y en la cobertura de pacientes hipertensos de la zona. Conclusiones: Todos los fármacos antihipertensivos disponibles son utilizados aunque su consumo muestra un perfil heterogéneo. Los fármacos más prescritos al nivel local replican el perfil de consumo institucional, pero hay notables variaciones locales. Los hábitos de prescripción se ajustan al uso racional de los antibipertensivos en el ámbito ambulatorio. Las estimaciones derivadas del consumo sugieren una gran proporción de pacientes sin control, o con tratamiento fuera de la Seguridad Social.</p></abstract>
<abstract abstract-type="short" xml:lang="en"><p>Justification: Systemic hypertension is a chronic and asymptomatic disease. lt is the first cause of ambulatory medical visits. lt contributes directly to the first cause of mortality in the country, and it is almost always treatable with an integral intervention which includes pharmacological therapy. Objective: To identify the most prescribes drugs at institutional level, to evaluate if the resultant profile is compatible with the principies of the rational use of antihypertensive drugs and to compare the use of these drugs in similar ambulatory medical care clinics during a year. Methods: An pharmacoepidemilogic observational study type; a revision of institutional consumption was obtained of each antihipertensive drug during one year (1999), and local report of monthly consumption during 1999 of six ambulatory medical care clinics. The defined diary dose (DDD) was calculated and estimation of treated patients. Results: Most prescribed drugs were atenolol (25%), enalapril (21%) and hidroclorotiazida (19%). According to DDD, the global consumption of atenolol was 39%, enalapril 25% and hidroclorotiacida 23%, which benefits 87% of the patients treated. The antihypertensive drug treatinent was given lo about 185,639 patients. At local level, the consumption profiles tend lo simulate the institutional distribution because of the predominant use of atenolol, but the diuretics are alternated with enalapril. We obtained variations in the mensual consumption during the period. Conclusions: All antihipertensives drugs available are used although their consumption showed an heterogeneous profile. The drugs that were most prescribes at local level reflect in the national institutional profile, but there are remarkable local variations. The prescription of these drugs showed a rational use of antihypertensive drugs in the ambulatory management. The estimations derived from the consumption suggest that a great proportion of patients have no control, or are treated by private physicians.</p></abstract>
<kwd-group>
<kwd>Estudios de utilización de medicamentos</kwd>
<kwd>hipertensión arterial</kwd>
<kwd>atenolol</kwd>
<kwd>enalapril</kwd>
<kwd>hidroclorotiacida</kwd>
</kwd-group>
</article-meta>
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<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022001000100006&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022001000100006&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022001000100006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>Justificación y Objetivo: La yodazión de la sal en Costa Rica, establecida en 1972, hizo que el bocio por deficiencia de yodo disminuyera en forma importante. Sin embargo, las notificaciones por bocio en todo el país han aumentado en los últimos años, siendo Cartago una de las provincias más afectadas. En el año 1994 la mitad de los casos de bocio en todo el país provenían de dicha provincia. La presente investigación trata de analizar esta elevada incidencia de bocios provenientes de la zona de Cartago. Métodos: Se analizó una muestra significativa de los casos de bocio reportados en la provincia durante el año 1996. Se eligió dicho año porque eran los últimos datos estadísticos que tenía el Ministerio de Salud en ese momento. A todos los pacientes se les tomó la historia del bocio y se les hizo examen físico. Además se les midió en sangre los niveles de honnona estimulante del tiroides (TSH), tiroxina (T4), anticuerpos antitiroideos y antimicrosomas. También se midió de la excreción urinaria de yodo y se analizó el contenido de yodo en las muestras de sal que los pacientes trajeron de sus hogares. Resultados y Conclusión: El 96% de los pacientes con bocio eran del sexo femenino, la mayoría de edad media y dedicadas a las labores del hogar. Un 68% de los bocios eran pequeños y 72% de crecimiento difuso. En el 24,5% de los casos el bocio se acompañaba de hipotiroidismo. La excreción urinaria actual de yodo se encontró disminuida en un 29% de pacientes. El 91 % de las muestras de sal resultó adecuadamente yodada. Sin embargo se descubrió una sustitución en el uso de la misma por otros condimentos elaborados con sal no yodada.</p></abstract>
<abstract abstract-type="short" xml:lang="en"><p>Justification and Objectives: In Costa Rica the iodination of salt, established in 1972, reduced the incidence of endemic goitre. Nonetheless goiter notifications were increased during the last years. The purpose of this study is to determine the causes of the high incidence of goiter in Cartago. Cartago is one of the provinces most affected reporting 300 new cases per year. The cases of goiter reported during 1996 were evaluated. Methods: The history of thyroid disease and the clinical characteristics of goiters were analysed. Serum levels of thyroidstimulation hormone (TSH), thyroxin (T4), thyroglobulin and anti-thyroid microsomal antibodies were measured. Also, iodine concentration in urine and the iodination of the salt sample that the patients consumed were determined. Results: 96% of the goiters were from lo young housewifes. Most of the goiters (70%) were small with diffuse growth. Nearly a fourth (24,5%) of the patients with goiter had hypothyroidism. Low levels of iodine in urine were found in 29% of the cases, 90% of salt samples were weil iodized but we detected substitution of iodinated salt with condiments make with non-iodinated salt.</p></abstract>
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<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022001000100007&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022001000100007&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022001000100007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>Históricamente, los pacientes diagnosticados con enfermedad neoplásica testicular B (II) han sido tratados con una disección primaria de ganglios retroperitoneales con la opción de aplicar quimioterapia adyuvante. Recientemente, varios autores han optado por la quimioterapia como tratamiento primario con la linfadenectomía retroperitoneal reservada para los pacientes que no lograban una remisión completa después del tratamiento con quimioterapia. El objetivo de este trabajo es definir por qué la linfadenectomía retroperitoneal (LR) es realizada siempre en el Servicio de Urología del Hospital San Juan de Dios en el tratamiento del cáncer testicular de células germinales no seminomatosas estadio clínico A (I) y B (II). Se presenta el sustento científico que avala esta práctica y se hace una breve reseña del estadiaje, del procedimiento quirúrgico utilizado.</p></abstract>
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<journal-title>Acta Médica Costarricense</journal-title>
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<institution>,Centro de Investigación en Enfermedades Tropicales  </institution>
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<copyright-statement/>
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<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022001000100008&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022001000100008&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022001000100008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>Los hallazgos más recientes en cuanto a la trasmisión del Toxoplasma gondii en Costa Rica nos indican que la ingestión de carne poco cocida, así como de algunos embutidos, en donde se ha encontrado el parásito en forma viable, son mecanismos de infección importante. Estos aspectos han hecho variar un poco la concepción anterior de que la ingestión de ooquistes del parásito era la principal, sino la única, vía de infección en nuestro país. Por ello se propone un nuevo ciclo de trasmisión para este parásito, comparándolo con el previamente establecido. Este nuevo patrón epidemiológico establece mayores posibilidades de infección con este parásito para los costarricenses.</p></abstract>
<abstract abstract-type="short" xml:lang="en"><p>Recent findings relating to the Toxoplasma gondii transmission in Costa Rica, show us that raw bovine or pork meat sausage ingestion is very important as an infection mechanism route. Therefore the tradicional model where oocysts ingestion has been considered the principal or the only infection route, has changed. In fact a new tranmission model for this parasitosis where oocyst and cyst ingestion are possible is suggested.</p></abstract>
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