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<front>
<journal-meta>
<journal-id pub-id-type="pid">S0253-294820070001</journal-id>
<journal-title>Revista Costarricense de Ciencias Médicas</journal-title>
<abbrev-journal-title>Rev. costarric. cienc. méd</abbrev-journal-title>
<issn>0253-2948</issn>
<publisher>
<publisher-name>Editorial Nacional de Salud y Seguridad Social</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0253-29482007000100001</article-id>
<title-group>
<article-title xml:lang="es">Editorial</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Salas Oviedo</surname>
<given-names>José Luis</given-names>
</name>
</contrib>
</contrib-group>
<aff id="A">
<institution>,  </institution>
<addr-line> </addr-line>
</aff>
<pub-date pub-type="pub">
<month>06</month>
<year>2007</year>
</pub-date>
<pub-date pub-type="epub">
<year>2007</year>
</pub-date>
<volume>28</volume>
<fpage>07</fpage>
<lpage>07</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0253-29482007000100001&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=S0253-29482007000100001&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=S0253-29482007000100001&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
</front>
</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">S0253-294820070001</journal-id>
<journal-title>Revista Costarricense de Ciencias Médicas</journal-title>
<abbrev-journal-title>Rev. costarric. cienc. méd</abbrev-journal-title>
<issn>0253-2948</issn>
<publisher>
<publisher-name>Editorial Nacional de Salud y Seguridad Social</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0253-29482007000100002</article-id>
<title-group>
<article-title xml:lang="es">Patrones Indeterminados de Western Blot en sueros reactivos por anticuerpos contra los virus linfotrópicos de células T tipo I/II (HTLV I/II) en donantes de sangre en Costa Rica</article-title>
<article-title xml:lang="en">Western Blot indeterminate patterns in reactive serum by antibodies against T lynphotropic virus I/II (HTLV I/II) in blood donors in Costa Rica</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Cortés</surname>
<given-names>Ximena</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>García</surname>
<given-names>Zaida</given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Torres</surname>
<given-names>Lorena</given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Taylor</surname>
<given-names>Lizeth</given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution>,Universidad de Costa Rica Facultad de Microbiología Departamento de Virología</institution>
<addr-line>San José </addr-line>
<country>Costa Rica</country>
</aff>
<aff id="A02">
<institution>,Universidad de Costa Rica Facultad de Microbiología Centro Internacional de Investigación y Adiestramiento Médico</institution>
<addr-line>San José </addr-line>
<country>Costa Rica</country>
</aff>
<aff id="A03">
<institution>,Caja Costarricense de Seguro Social Área Regulación y Sistematización de Servicios de Salud Subárea Laboratorios Clínicos</institution>
<addr-line>San José </addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<month>06</month>
<year>2007</year>
</pub-date>
<pub-date pub-type="epub">
<year>2007</year>
</pub-date>
<volume>28</volume>
<fpage>11</fpage>
<lpage>20</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0253-29482007000100002&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=S0253-29482007000100002&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=S0253-29482007000100002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>Los virus linfotrópicos humanos tipo I y II (HTLV I/II) son retrovirus asociados a diferentes patologías. El HTLV I fue el primer retrovirus relacionado con enfermedad y ocasiona principalmente dos tipos de patologías: la leucemia o linfoma de células T del adulto (LTA) y la paraparesia espástica tropical (PET). El HTLV-II se ha asociado a cuadros neurológicos similares. Centroamérica, América del Sur y el Caribe se definen como áreas de alta prevalencia. Para prevenir la transmisión de la infección de estos retrovirus, se ha implementado el tamizaje de la donación sanguínea en muchos países, incluido Costa Rica. En donadores tamizados la técnica de Western Blot (WB) ha demostrado una actividad incompleta de anticuerpos contra los antígenos virales. Estos patrones se definen como indeterminados. Entre diciembre del 2002 y marzo del 2006 se reportaron los siguientes resultados de WB al evaluar sueros reactivos por ensayo inmunoenzimático: 39 (0,02%) donantes positivos, 254 (0,14%) indeterminados y 113 (0,06%) negativos. Se seleccionaron 42 muestras indeterminadas y 25 positivas para ser analizadas por un sistema comercial (HTLV I/II Blot 2.4); las positivas se clasificaron como: 15 HTLV I, 8 HTLV II y dos muestras indeterminadas. Del grupo de indeterminados se presentaron 4 resultados no concordantes: 1 HTLV II, 1 HTLV y 2 negativos. Se demostró que, en muestras nacionales, patro-nes positivos débiles pueden estar relacionados a WB indeterminados o a reactividad parcial de infección por HTLV II. El patrón indeterminado más descrito se denomina HGIP (HTLV-gag indeterminate profile pattern) y es definido como un perfil de proteínas específicas donde se presentan las bandas p19, p26, p28, p32, p36 y p53 sin la presencia de la banda p24 o alguna de las glicoproteínas del gen de la envoltura (gp 46, gp 61/68). En las muestras nacionales se observó que 22 presentaron un patrón similar, sin la p24. Sin embargo, se observaron 6 muestras con patrones diversos que incluyen la p24. Este primer análisis de muestras nacionales señala la necesidad de realizar un estudio molecular para determinar el estado real de infección por HTLV en donadores nacionales que presenten el perfil indeterminado en la técnica de WB. Esta información permitirá establecer asociaciones con casos verdaderos positivos o con reacciones inespecíficas.</p></abstract>
<abstract abstract-type="short" xml:lang="en"><p>Human T lymphotropic virus type I and II (HTLV I/II) are retroviruses associated with different clinical manifestations. HTLV I was the first retrovirus associated to human disease, and it is the etiological agent of two main pathologies: adult`s T-cell leukemia (ATL) and myelopathy/tropical spastic paraparesis (HAM/TSP). HTLV-II has been related to similar neurological disorders. Central America, South America and the Caribbean are areas of high prevalence. In many countries, including Costa Rica, blood screening has been implemented to prevent retroviral blood transmission. Applying the Western Blot (WB) technique, screening for HTLV I/II in blood donors has shown incomplete antibody reactivity against viral antigens, which has been classified as an indeterminate pattern. Between december 2002 and march 2006, enzyme immunoassay (ELISA) reactive samples were reported as 39 (0,02%) positive, 254 (0,14%) indeterminate and 113 (0,06%) negative. For further study with the commercial system (HTLV I/II Blot 2.4), there were selected 42 indeterminate samples and 25 positive ones. The results for the positive group were: 15 HTLV-I, 8 HTLV-II and 2 indeterminate. In the indeterminate group we found 4 discordant results: 1 HTLV II, 1 HTLV and 2 negative samples. In this research, using national serum samples, it is weak show positive patterns can be related to indeterminate WB or to partial reactivity of HTLV II infected donors. The most characteristic indeterminate pattern is the HTLV-I gag indeterminate (HGIP), which has been defined as a protein profile which includes p19, p26, p28, p32, p36 and p53, but excludes p24 or envelope glycoproteins (gp 46, gp 61/68). In the present study, a similar pattern was observed in 22 samples. However, there were 6 samples with patterns that include p24. This first analysis of indeterminate patterns in national samples demonstrates the importance of molecular studies to establishing the HTLV infection status in national blood donors with this WB profile. This information will enable identify true positives cases and unspecific reactions.</p></abstract>
<kwd-group>
<kwd>HTLV I / HTLV II</kwd>
<kwd>donantes</kwd>
<kwd>Western Blot</kwd>
<kwd>patrones indeterminados</kwd>
<kwd>HTLV I / HTLV II</kwd>
<kwd>blood donors</kwd>
<kwd>Western Blot</kwd>
<kwd>indeterminate patterns</kwd>
</kwd-group>
</article-meta>
</front>
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<institution>,Universidad Nacional de Costa Rica Escuela de Veterinaria </institution>
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<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0253-29482007000100003&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=S0253-29482007000100003&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=S0253-29482007000100003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>La literatura internacional reporta diferentes protocolos de aislamiento y cultivo para las células madre de origen adiposo (ADSC). Aunque una gran parte de los protocolos de aislamientos son efectivos, se ha podido determinar que en la mayoría de los casos en que se utilizan los protocolos de cultivo planteados se dan crecimientos celulares muy pobres. En esta investigación se montaron las células en botellas de cultivo de 25 cm2 en cuatro medios diferentes: Medio Amniomax (GIBCO) (medio 1); Medio Ham’s F10 suplementado con 10% SFB, 1% antibiótico y ajustado para tener 2mm de L-Glutamina (medio 2); Medio Ham’s F10 suplementado con 10% SFB, 1% de antibióticos y ajustado para alcanzar 4mm de L-Glutamina (medio 3) y Medio Ham’s F10 suplementado con 20% de Suero Autólogo (SA), 1% de antibióticos y ajustado para alcanzar 4mm de L-Glutamina (medio 4). Después de realizado este experimento se logró determinar que con el medio 1 se obtenían crecimientos celulares marcadamente más rápidos que con los otros medios, consiguiéndose niveles confluentes en un lapso de 9 días (aproximadamente 6 millones de ADSC).</p></abstract>
<abstract abstract-type="short" xml:lang="en"><p>International literature reports different protocols for the isolation and cultive of adipose stem cells (ADSC). Although majority of the isolation protocols are effective, it has been determined that in most of the cases in which these cultive protocols are used, the cell growth rates are poor. Being the stem cells one promising therapeutic option, the group experimented with different cultive media to improve the times of cultive. In this investigation, the cell pellet was planted in a 25 cm2 cultive bottle in four different media: Amniomax Media (GIBCO) (medium 1); Ham’s F10 Media supplemented with 10% SFB, 1% antibiotic and adjusted to 2mm de L-Glutamina (medio 2); Ham’s F10 Media supplemented with 10% SFB, 1% antibiotic and adjusted to 4mm de L-Glutamina (medium 3) and Ham’s F10 supplemented with 20% of autologous serum (SA), 1% antibiotic and adjusted to 4mm de L-Glutamina (medium 4). This experiment determines that medium 1 stimulates faster growth rates than the others, obtaining confluent levels in 9 days (approximately 6 million ADSC).</p></abstract>
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<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0253-29482007000100004&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=S0253-29482007000100004&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=S0253-29482007000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>Las micosis superficiales son causa frecuente de consulta, tanto en los servicios de dermatología como en medicina general. En estas afecciones resulta de gran interés el realizar los estudios microbiológicos para hacer el diagnóstico diferencial y para conocer el agente etiológico causante de la patología, no sólo por los aspectos epidemiológicos que esto implica, sino también por el tratamiento. En este estudio se recolectaron 265 muestras de piel y uñas de personas que acudieron al servicio de diagnóstico de la Sección de Micología Médica de la Facultad de Microbiología, Universidad de Costa Rica. Las afecciones en uñas representaron el 67,5% de los casos atendidos. Trichophyton rubrum es el hongo más aislado; otros dermatofitos y Candida sp también se aislaron de uñas y de piel. Fusarium sp, que es un hongo filamentoso no dermatofito, se aisló de uñas de manos y pies. Este hallazgo es relevante, dado que Fusarium sp., como agente emergente de onicomicosis, no responde bien al tratamiento con fluconazol.</p></abstract>
<abstract abstract-type="short" xml:lang="en"><p>Superficial mycosis is a frequent cause of consultation in Dermatology and General Medicine. The microbiological studies of this fungal condition are important not only to do the differential diagnosis, but also to establish the causing agent of the disease as well as its epidemiological aspects and the treatment. In this study 265 skin and nail samples have been collected from individuals at the Laboratory of Medical Mycology of School of Microbiology, Costa Rica University. Nail diseases represent 67,5% of the total cases studied. Trichophyton rubrum was the most frequent isolated fungus; also, other dermatophytes and Candida sp. were isolated from nail and skin. Fusarium sp., a filamentous nondermatophyte fungus, was isolated from both finger and toe nails. This finding is of relevant, since Fusarium sp., an emergent etiological agent of onychomycosis, does not respond well to treatment based on fluconazol.</p></abstract>
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<kwd>superficial mycosis</kwd>
<kwd>onychomycosis</kwd>
<kwd>dermatophytes</kwd>
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<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0253-29482007000100005&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=S0253-29482007000100005&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=S0253-29482007000100005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>Se analizó la presencia de parásitos intestinales en muestras de heces de 350 niños, de una población de 1.563 niños de hasta cinco años de edad, de la comunidad urbano marginal de Los Cuadros de Goicoechea, San José, Costa Rica, durante los años 2003 y 2004. El diseño del muestreo fue aleatorio simple, para un tamaño de muestra de 350 y nivel de confianza del 95%. Las muestras se recolectaron mediante visitas a los hogares. Se obtuvo una muestra de heces de cada niño; no se repitieron muestras. La detección de parásitos se realizó mediante un examen directo (salina, lugol), concentrado de Ritchie (formol-éter) y tinción modificada de Zielh Neelsen. Las muestras fueron analizadas por profesionales de laboratorio. Del total de muestras 210 fueron positivas por al menos un parásito, protozoarios y helmintos intestinales, lo que representó una prevalencia total del 60%. Los resultados mostraron la presencia de Giardia intestinalis en el 18,2%; Entamoeba histolytica/E dispar en el 15,7%; Ascaris lumbricoides en el 15,4% y Trichuris 0,8% y Entamoeba coli en el 9,7% de los casos. Los mismos claramente revelan la existencia de un problema en dicha comunidad y dejan al descubierto la necesidad de desarrollar estrategias de educación sanitaria, prevención y tratamiento, a fin de mejorar las condiciones de salud de estas personas y evitar la transmisión de agentes patógenos.</p></abstract>
<abstract abstract-type="short" xml:lang="en"><p>To analyze the presence of intestinal parasites, there has been developed a study with a 95% of confidence level at the urban-marginal community of Los Cuadros, Goicoechea, San José, Costa Rica, during the years 2003 and 2004, using a sample random of 350 children up to 5 years of age, from whom faecal samples were collected by visits home by home. The stool samples were analyzed to detect intestinal parasites through a direct exam (saline and iodine solutions), sedimentation of formalin-ether (Ritchie) and Zielh Neelsen modified. From the 350 stool samples, 210 (60%) were positive showing at least one parasite, protozoa and helminths, which represented a 60% prevalence. The results showed the presence of Giardia intestinalis (18.2%); Entamoeba histolytica/E dispar (15.7%); Ascaris lumbricoides (15.4%); Entamoeba coli (9.7%) and Trichuris (0.8%). The present study clearly showes that intestinal parasites represent a serious problem in this community. Therefore, sanitary education, prevention and treatment strategies are necessary to improve people health condition in this community.</p></abstract>
<kwd-group>
<kwd>protozoarios</kwd>
<kwd>helmintos</kwd>
<kwd>parasitosis intestinal</kwd>
<kwd>comunidad urbano-marginal</kwd>
<kwd>Costa Rica</kwd>
<kwd>protozoans</kwd>
<kwd>helminthes</kwd>
<kwd>intestinal parasites</kwd>
<kwd>urban-marginal community</kwd>
<kwd>Costa Rica</kwd>
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<front>
<journal-meta>
<journal-id pub-id-type="pid">S0253-294820070001</journal-id>
<journal-title>Revista Costarricense de Ciencias Médicas</journal-title>
<abbrev-journal-title>Rev. costarric. cienc. méd</abbrev-journal-title>
<issn>0253-2948</issn>
<publisher>
<publisher-name>Editorial Nacional de Salud y Seguridad Social</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0253-29482007000100006</article-id>
<title-group>
<article-title xml:lang="es">Cyclospora Cayetanensis: revisión de cuatro casos clínicos</article-title>
<article-title xml:lang="en">Cyclospora Cayetanensis: review of four clinical cases</article-title>
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<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Rodríguez Benavides</surname>
<given-names>Gina</given-names>
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<contrib contrib-type="author">
<name>
<surname>Abrahams-Sandí</surname>
<given-names>Elizabeth</given-names>
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<xref ref-type="aff" rid="A03"/>
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</contrib-group>
<aff id="A01">
<institution>,CCSS Clínica Marcial Fallas </institution>
<addr-line>San José </addr-line>
<country>Costa Rica</country>
</aff>
<aff id="A03">
<institution>,Universidad de Costa Rica Facultad de Microbiología </institution>
<addr-line>San José </addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<month>06</month>
<year>2007</year>
</pub-date>
<pub-date pub-type="epub">
<year>2007</year>
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<volume>28</volume>
<fpage>49</fpage>
<lpage>56</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0253-29482007000100006&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=S0253-29482007000100006&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=S0253-29482007000100006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>Cyclospora cayetanensis es un protozoario coccidio que afecta el intestino delgado del ser humano. Es el agente causal de la ciclosporiasis, una enfermedad que se caracteriza por una diarrea profusa que conlleva a ausentismo laboral temporal y que en algunos casos, de acuerdo a su severidad y al estado inmune del paciente, puede llevar incluso a la muerte. A Cyclospora cayetanensis se le ha considerado desde inicios de los años noventa como responsable de una serie de brotes diarreicos asociados con agua y alimentos, especialmente en los Estados Unidos y Canadá. En Costa Rica son pocos los casos reportados de estas parasitosis en el laboratorio clínico, y el parásito es considerado aún por muchos profesionales como un organismo exótico. En este trabajo se presentan cuatro casos clínicos de ciclosporiasis, atendidos en un periodo de 15 días en la Clínica Dr. Marcial Fallas, en el cantón de Desamparados. Se hace una revisión de las características de Cyclospora cayetanensis y se insiste en la necesidad de considerar a este parásito como posible agente causal de diarreas de origen abrupto.</p></abstract>
<abstract abstract-type="short" xml:lang="en"><p>Cyclospora cayetanensis is a coccidian protozoan which attaches the small intestine of the human being. It is the etiological agent of cyclosporiasis, a disease characterized by profuse diarrhea that leads to temporary sick leave and in some cases, depending on the severity of the illness and the immunologic condition of the patient, may lead to death. Since the 90’s Cyclospora cayetanensis has been considered responsible for a series of diarrheic outbreaks related to food and water, especially in USA and Canada. In Costa Rica few cases of this parasitosis have been reported in the clinical laboratory, and this parasite is still considered by many healthcare professionals as an exotic organism. This work presents four clinical cases of cyclosporiasis detected throughout a 15-day period in the Marcial Fallas Clinic, in Desamparados; it reviews the characteristics of Cyclospora cayetanensis and insists on the need to consider this parasite as possible causal agent of abrupt diarrhea.</p></abstract>
<kwd-group>
<kwd>Cyclospora cayetanensis</kwd>
<kwd>ciclosporiasis</kwd>
<kwd>coccidios intestinales</kwd>
<kwd>Cyclospora cayetanensis</kwd>
<kwd>cyclosporiasis</kwd>
<kwd>intestinal coccidians</kwd>
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<front>
<journal-meta>
<journal-id pub-id-type="pid">S0253-294820070001</journal-id>
<journal-title>Revista Costarricense de Ciencias Médicas</journal-title>
<abbrev-journal-title>Rev. costarric. cienc. méd</abbrev-journal-title>
<issn>0253-2948</issn>
<publisher>
<publisher-name>Editorial Nacional de Salud y Seguridad Social</publisher-name>
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<article-meta>
<article-id>S0253-29482007000100007</article-id>
<title-group>
<article-title xml:lang="es">Pielonefritis Enfisematosa: reporte de dos casos en el Hospital San Juan de Dios, CCSS. San José, Costa Rica</article-title>
<article-title xml:lang="en">Emphysematous pyelonephritis: report of two cases at San Juan de Dios Hospital, CCSS. San José, Costa Rica</article-title>
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<year>2007</year>
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<fpage>57</fpage>
<lpage>60</lpage>
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<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0253-29482007000100007&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=S0253-29482007000100007&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=S0253-29482007000100007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>La pielonefritis enfisematosa es una infección necrotizante del riñón muy seria, que pone en peligro la vida del paciente que la padece y que se caracteriza por la acumulación de gas en el parénquima renal y en los tejidos vecinos. Se presenta en pacientes diabéticos o inmunosuprimidos, aunque también se han reportado en casos de obstrucción al drenaje. Por tener una mortalidad muy alta, su tratamiento es controversial. Se revisaron los expedientes de 45 pacientes vistos en el Hospital San Juan de Dios por infección urinaria alta o pielonefritis aguda en los últimos cinco años, encontrándose dos casos de pielonefritis enfisematosa. Se reportan sus hallazgos y la respuesta al tratamiento quirúrgico.</p></abstract>
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<kwd-group>
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<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">S0253-294820070001</journal-id>
<journal-title>Revista Costarricense de Ciencias Médicas</journal-title>
<abbrev-journal-title>Rev. costarric. cienc. méd</abbrev-journal-title>
<issn>0253-2948</issn>
<publisher>
<publisher-name>Editorial Nacional de Salud y Seguridad Social</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0253-29482007000100008</article-id>
<title-group>
<article-title xml:lang="es">Duplicación esofágica tubular en un recién nacido: reporte de un caso</article-title>
<article-title xml:lang="en">Tubular esophageal diplication in a newborn infant: a case report</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Murillo-Ortiz</surname>
<given-names>Juan</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Alvarado-Jiménez</surname>
<given-names>Oswaldo</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
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</contrib-group>
<aff id="A01">
<institution>,CCSS Hospital Nacional de NiñosDr. Carlos Sáenz Herrera Servicio de Cirugía de Tórax y Cardiovascular</institution>
<addr-line>San José </addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<month>06</month>
<year>2007</year>
</pub-date>
<pub-date pub-type="epub">
<year>2007</year>
</pub-date>
<volume>28</volume>
<fpage>61</fpage>
<lpage>63</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0253-29482007000100008&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=S0253-29482007000100008&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=S0253-29482007000100008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>Las duplicaciones del tracto digestivo son malformaciones congénitas bien conocidas, que pueden ocurrir a cualquier nivel desde la lengua hasta el ano. La duplicación esofágica puede ser de tipo tubular o quística y asociarse o no a otras malformaciones congénitas. La mayoría de las lesiones son asintomáticas; se manifiestan cuando adquieren gran tamaño o evolucionan a perforación, infección, sangrado o malignizan (2-3). En este artículo se presenta el caso de un paciente con duplicación esofágica tubular, al cual se le realizó el diagnóstico y tratamiento quirúrgico en la etapa neonatal.</p></abstract>
<abstract abstract-type="short" xml:lang="en"><p>The digestive tract duplications are congenital malformations that can occur at any level from the tongue to the anus. The esophageal duplication can be tubular or cystic and can be associated or not to other congenital malformations. Most of the patients present no symptoms until the duplication enlarges or evolves to perforation, infection, bleeding or becomes malignant (2-3). The following is a case of a newborn patient with tubular esophageal duplication.</p></abstract>
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<kwd>quiste tubular</kwd>
<kwd>esophageal duplication</kwd>
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<front>
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<journal-id pub-id-type="pid">S0253-294820070001</journal-id>
<journal-title>Revista Costarricense de Ciencias Médicas</journal-title>
<abbrev-journal-title>Rev. costarric. cienc. méd</abbrev-journal-title>
<issn>0253-2948</issn>
<publisher>
<publisher-name>Editorial Nacional de Salud y Seguridad Social</publisher-name>
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<kwd>infarto de miocardio</kwd>
<kwd>isquemia miocárdica</kwd>
<kwd>aurícula derecha</kwd>
<kwd>ventrículo derecho</kwd>
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<kwd>myocardial ischemia</kwd>
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