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1.
Medicina (B.Aires) ; 80(3): 193-196, jun. 2020. ilus, tab
Article in Spanish | LILACS | ID: biblio-1125069

ABSTRACT

El primer caso de infección por coronavirus (COVID-19) en Argentina se informó en Buenos Aires el 3 de marzo de 2020, en un paciente proveniente de Milán. El objetivo de este trabajo es describir las características clínicas y curso de la enfermedad de una serie de pacientes infectados con COVID-19 en un sanatorio privado durante el mes de marzo del 2020. Durante marzo 2020 se internaron 63 pacientes sospechosos de infección por COVID-19. Fueron diagnosticados 26 positivos para COVID-19 por hisopado nasofaríngeo, con el método RT-PCR para SARS Cov2. Se recopilaron datos sobre las características epidemiológicas, signos y síntomas, así como comorbilidades, laboratorio e imágenes. La edad promedio fue 40 años (SD ± 15 años); hubo un igual número de varones; solo 1 caso no venía del exter ior. El síntoma más frecuente fue la fiebre (24/26 casos) y la linfopenia (8/26). En un grupo (n = 17) la fiebre se limitó dentro de las primeras 72 h y en otro, la fiebre duró 6 o más días (7 casos). Hubo un fallecido entre los 26 casos. La población de nuestro estudio era joven y la mayoría de los casos fueron importados, en concordancia con el estadio de la epidemia en el momento en que el estudio fue realizado. Observamos que hubo 2 patrones en la curva térmica pero la persistencia de la fiebre no implicó un peor pronóstico. Se necesitan estudios poblacionales más grandes para confirmar estos hallazgos clínicos.


The first case of coronavirus (COVID-19) infection in Argentina was reported in Buenos Aires on March 3rd, 2020, in a patient who arrived from Milan. The aim of this study is to describe the clinical characteristics and course of illness of patients infected with Covid-19 that were hospitalized in a private clinical setting during March 2020. Sixty three patients suspected of COVID-19 infection, were admitted to our hospital during March 2020. Twenty six of these subjects were diagnosed positive by the RT-PCR for SARS Cov-2 in a nasopharyngeal swab specimen. We recorded data about epidemiological characteristics, clinical signs and symptoms, in addition to comorbidities, laboratory and radiological studies were done. The median age was 40 years (SD±15 years); there was an equal number of men and women; all the patients but one were coming from abroad; the most common symptom was fever (24/26 cases) and lymphopenia (n = 8). We found that there were patients in whom fever disappeared within the first 72h (n = 17) and another group in which the fever lasted six or more days (n = 7). One patient out of 26 died. The population of our study was young and almost all were imported cases, in alinement with the stage of the epidemic at the time when the study was conducted. We observed that there were two patterns in the fever curve but the persistence of it did not lead to a worse prognosis. Larger population studies are required in order to confirm these clinical findings.


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Pneumonia, Viral/diagnosis , Pneumonia, Viral/epidemiology , Coronavirus Infections/diagnosis , Coronavirus Infections/epidemiology , Betacoronavirus , Argentina/epidemiology , Tomography, X-Ray Computed , Risk Factors , Hospitals, Private , Sex Distribution , Age Distribution , Pandemics , Real-Time Polymerase Chain Reaction , SARS-CoV-2 , COVID-19
3.
Medicina (B.Aires) ; 68(1): 6-12, ene.-feb. 2008. ilus, graf, tab
Article in Spanish | LILACS | ID: lil-633508

ABSTRACT

La incidencia de fiebre en el postoperatorio varía ampliamente. En la cirugía limpia y la limpia-contaminada, la fiebre no infecciosa es más frecuente que la infecciosa. Fueron estudiados prospectivamente 303 pacientes operados en forma programada de cirugía ortopédica y urológica. Se investigó la incidencia de fiebre postoperatoria, su etiología, la relación entre el momento de su aparición y su origen y la utilidad del pedido empírico de estudios para determinar infección postoperatoria. El 14% (42/303) de los pacientes tuvieron fiebre postoperatoria. En el 81% (34/42) su etiología fue no infecciosa y en el 19% (8/42) infecciosa. Su origen fue siempre no infeccioso dentro de las primeras 48 horas del postoperatorio (p<0.001). A 19 pacientes con fiebre después de las 48 horas y examen clínico normal, se les realizó radiografía de tórax, hemocultivos (2) y cultivo de orina. Las radiografías de tórax fueron normales en todos los casos, fueron positivos 4 urocultivos (21%, IC 95%: 6-45) y un hemocultivo (5%, IC 95%: 0.1-26). Siete pacientes tuvieron infecciones postoperatorias sin fiebre. La causa de fiebre postoperatoria más frecuente fue no infecciosa, causada por respuesta normal inflamatoria al trauma quirúrgico. La realización de estudios de rutina en pacientes con examen clínico normal y fiebre posterior a las 48 horas, de acuerdo a lo observado en este estudio, no permite sacar conclusiones definitivas. El diagnóstico de las infecciones postoperatorias se basó en el seguimiento clínico- quirúrgico y en la interpretación de los síntomas y signos del paciente.


Post-operative fever incidence varies widely. In clean and clean-contaminated surgery the non-infectious fever is more frequent than the infectious fever. We performed a prospective study including 303 patients who underwent orthopedic and urologic elective surgery. The aims of our study were to investigate the incidence of post-operative fever, its etiology, the relationship between time of onset and the etiology, and the usefulness of extensive fever work-up to determine post-operative infection. The incidence of post-operative fever was 14% (42/303) of which 81% (34/42) was noninfectious and 19% (8/42) was infectious. The etiology of the fever in the first 48 hours after surgery was always non-infectious (p<0.001). An extensive fever work-up was performed in patients who presented fever only after the initial 48 hours of surgery with normal physical examination (n=19) consisting of chest x-ray, blood (2) and urine cultures. The chest x-ray was normal in all the patients, the urine cultures were positive in four cases (21%, IC 95%: 6-45) and the blood cultures in only one case (5%, IC 95%: 0.1-26). Seven patients had post-operative infections without fever as a clinical sign. The most frequently observed etiology of post-operative fever was non-infectious, related to the normal inflammatory host response to surgery. Based on the present results, the extensive fever work-up performed to investigate post-operative infection does not seem to be a useful tool. The diagnosis of post-operative infection was based on clinical follow up and the correct interpretation of the patient's symptoms and signs.


Subject(s)
Adolescent , Adult , Aged , Female , Humans , Male , Middle Aged , Young Adult , Fever of Unknown Origin/epidemiology , Orthopedic Procedures/adverse effects , Postoperative Complications/epidemiology , Surgical Wound Infection/epidemiology , Urologic Surgical Procedures/adverse effects , Argentina/epidemiology , Follow-Up Studies , Fever of Unknown Origin/etiology , Incidence , Postoperative Period , Prospective Studies , Surgical Wound Infection/complications , Urinary Tract Infections/complications , Urinary Tract Infections/epidemiology
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