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1.
Investig. andin ; 15(27): 770-783, jul.-dic. 2013. ilus, tab
Article in Spanish | LILACS | ID: lil-687692

ABSTRACT

Introducción: establecer variables asociadas a falla terapéutica, adherencia al tratamiento, cambio de esquema y efectos indeseables asociados al tratamiento de VIH/SIDA.Métodos: estudio de corte transversal realizado en población de pacientes condiagnóstico de VIH/SIDA en tratamiento antirretroviral de 19 ciudades colombianas afiliados al Sistema General de Seguridad Social en Salud. Se evaluaron variables socio-demográficas, esquemas terapéuticos, tiempo desde inicio de la terapia y cambio de esquema, reporte de falta de adherencia, falla terapéutica y efectos indeseables. Se hicieron análisis bivariados y multivariados. Resultados: se hallaron 510 pacientes; el tratamiento antirretroviral sufriómodificaciones al primer esquema en 56,4% de casos. Se reportó: falta de adherencia en 38,8%, falla terapéutica en 26,5% de pacientes; las reacciones adversas más frecuentes fueron: dislipidemia (14,9%), intolerancia gástrica (9,2%) y anemia (7,1%). El régimen de tratamiento Lamivudina/Zidovudina + Efavirenz se asoció con menor riesgo de cambio de esquema (p<0,001), de falla terapéutica (p<0,001) y de intolerancia (p<0,001). El fracaso terapéutico se asoció con antecedentes de neumocistosis, tomar 7 píldoras al día, repartidas en 3 a 4 dosis diarias, en tratamiento para diferentes comorbilidades, con falta de adherencia y efectos indeseables asociados a los antirretrovirales. Conclusiones: la identificación de los esquemas de tratamiento asociados con peortolerabilidad por su riesgo de afectar la adherencia al manejo del VIH, con mástabletas diarias y consumidos varias veces al día, permite orientar la selección de medicamentos que garanticen mayor adherencia y tolerabilidad.


Introduction: estimate variables associated with treatment failure, treatment adherence, schema change and adverse reactions associated with the treatment of HIV/AIDS.Methods: cross-sectional study conducted in a population of patients with HIV/ AIDS antiretroviral treatment in 19 cities of Colombia affiliates at Social Security System in Health. We assessed socio-demographic variables, treatment regimens, and time from start of therapy and schema change, report non-adherence, treatment failure and adverse reactions. Were used bivariate and multivariate analysis.Results: we found 510 patients, antiretroviral therapy was modified to the first scheme in 56.4% of cases, nonadherence in 38.8%, treatment failure in 26.5% of patients, and the most common adverse reactions were: dyslipidemia (14.9%), gastric intolerance (9.2%) and anaemia (7.1%). The treatment regimen Lamivudine / Zidovudine + Efavirenz was associated with lower risk of schema change (p <0.001), treatment failure (p <0.001) and intolerance (p <0.001). Treatment failure was associated with a history of pneumocystosis, taking 7 pills a day, divided into 3-4 daily doses, in treatment for different comorbidities, lack of adherence and adverse effects associated with antiretrovirals.Conclusions: the identification of treatment regimens associated with poorer tolerability for their risk of affecting adherence to HIV management, with more tablets daily and consumed several times a day can guide the selection of drugs to ensure greater adherence and tolerability.


Introdução: estabelecer variavéis associadas à falha terapêutica, aderência ao tratamento, mudança de esquema e efeitos indesejaveis associados ao tratamento de VIH/SIDA.Métodos: estudo de corte transversal realizado em grupos de pacientes com diagnóstico de VIH/SIDA em tratamento antirretroviral de 19 cidades colombianas filiados ao Sistema Geral de Segurança Social em Saúde. Avaliaram-se variavéis socio-demográficas, esquemas terapêuticos, tempo desde o inicio da terapia e mudança de esquema, anotação sobre falta de aderência, falha terapêutica e efeitos indesejaveis. Foram feitas análises bivariados y multivariados.Resultados: acharam-se 510 pacientes, e o tratamento antirretroviral sofreu modificações ao primeiro esquema em 56,4% dos casos, se reportou: falta de aderência em 38,8%, falha terapêutica em 26,5% dos pacientes; as reações adversas mais frequentes foram: dislipidemia (14,9%), intolerência gástrica (9,2%) e anemia (7,1%). O regime de tratamento Lamivudina/Zidovudina + Efavirenz se associou com menor risco de mudança de esquema (p<0,001), de falha terapêutica (p<0,001) e de intolerância (p<0,001). O fracasso terapêutico se associou com antecedentes de neumocistosis, tomar 7 comprimidos por dia, distribuido em 3 a 4 doses diárias, em tratamento para diferentes comorbilidades, com falta de aderência e efeitos indesejados associados aos antirretroviraies.Conclusões: a identificação dos esquemas de tratamento associados com pior tolerância pelo risco de afetar a aderência ao tratamento do VIH, com mais comprimidos diários e consumidos várias vezes ao dia, permite orientar a seleção de medicamentos que garantam maior aderência e tolerabilidade.


Subject(s)
Humans , HIV Infections , Pharmacovigilance , Zidovudine
2.
Rev. salud pública (Córdoba) ; 16(1): 27-35, 2012. tab
Article in Spanish | LILACS | ID: lil-671191

ABSTRACT

Objetivos: Evaluar los patrones de prescripción deranitidina y omeprazol en pacientes pediátricos ingresados enun hospital de niños; la adecuación de dichas prescripcionesy los costos generados por prescripciones incorrectas.Pacientes y Métodos: estudio de utilización demedicamentos para observar pacientes ingresados en elHospital de Niños (Córdoba –Argentina) durante 1 mes.Resultados: Durante el mes de estudio ingresaron 680pacientes, de los cuales 415 (61%) recibieron inhibidoresde la acidez gástrica (IAG). De estos, 330 pacientes (79,5%)no presentaron factores de riesgo para desarrollar úlcerapor estrés, y en 293 pacientes (70,6%) las indicacionesse consideraron incorrectas. Sólo 81 pacientes (19,5%)presentaron indicaciones y dosis correctas de IAG. Seencontró una relación de la prescripción con el ingreso aquirófano y con el uso concomitante de corticoides a dosisbajas. El consumo innecesario de IAG generó un gasto directomensual de US$ 470,42


Objectives: To evaluate prescription patterns of intravenous ranitidine and omeprazolein pediatric patients hospitalized in a children’s hospital, the adequacy of said prescriptionsand the costs originated by incorrect prescriptions.Patients and Methods: A study of medication usage was designed to observe all patientshospitalized at Hospital de Niños (Córdoba- Argentina) during one month.Results: During the month of study 680 patients were hospitalized, 415 (61%) ofthem received acid-suppressive drugs (ASD). From these, 330 patients (79.5%) did notshow risk factors to develop stress ulcer and indications were considered incorrect in 293patients (70.6%). Only 81 patients (19.5%) showed correct indications and doses of ASD.A relationship was found between prescription and access to the operating room alongwith the concomitant use of corticoid in low doses. The unnecessary consumption of ASDgenerated a direct monthly expenditure of USD 470.42


Subject(s)
Child , Pharmacoepidemiology/statistics & numerical data , Pharmacoepidemiology/methods , Pharmacoepidemiology/trends , Pediatrics/statistics & numerical data , Pediatrics/methods , Pediatrics/trends , Stomach Ulcer/diagnosis , Stomach Ulcer/epidemiology
3.
Rev. salud pública ; 13(3): 492-503, jun. 2011. ilus, tab
Article in English | LILACS | ID: lil-602891

ABSTRACT

Objective Evaluating the effectiveness of antiretroviral therapy in a sample of Colombian patients diagnosed as having HIV/AIDS and being treated by the Colombian Health Social Security System (CHSSS) Methods A descriptive study was conducted among 134 HIV/AIDS patients of any age or gender who had received antiretroviral therapy in the cities of Pereira and Manizales between July 1st 2008 and June 30th 2009. The following factors were assessed from the clinical history of the patients seen in three health insurance companies: viral load, CD4 count, antiretroviral treatment regimens, prescribed daily doses of medications, length of disease evolution, duration of therapy, history of opportunistic diseases, and drug costs. Results There was male predominance (91 men cf 43 women), mean age beingf 39 years, and an average of 59 months since diagnosis. All treatment regimens were defined by each drug's defined daily dose (DDD). The therapy was effective in 74.5 percent of patients. Effectiveness was defined as being viral load < 400 copies/ml. About 79.1 percent of patients had had their viral load measured during the last 6 months. Non-adherence to treatment and a history of having acquired 2 other sexually- transmitted infections were associated with an increased risk of uncontrolled HIV infection. The average value of drugs per year per patient was $4,077.2 ± 3,043.8 U.S. dollars/year. Conclusions Non-adherence to treatment remains one of the most important issues regarding antiretroviral therapy effectiveness, so programmes intended to control HIV/AIDS must address this problem.


Objetivo Evaluar la efectividad del tratamiento antirretroviral en una muestra de pacientes con diagnóstico de VIH/SIDA en dos ciudades colombianas. Métodos Estudio descriptivo en 134 pacientes en tratamiento para VIH/SIDA de cualquier edad y género en Pereira y Manizales entre 1 de julio de 2008 y 30 de junio de 2009. Se evaluó: carga viral, conteo de linfocitos CD4, esquemas antirretrovirales, dosis diaria prescrita, tiempo evolución de enfermedad, duración de terapia, antecedentes de enfermedades oportunistas, costos de medicamentos. Resultados Predominio masculino (91 hombres vs 43 mujeres), promedio de edad: 39 años y 59 meses de evolución de la enfermedad. Todos recibían esquemas a Dosis Diarias Definidas recomendadas. La terapia era efectiva en 73,6 por ciento de los pacientes (carga viral <400 copias/ml). Se pudo establecer que la falta de adherencia al tratamiento y el antecedente de haber tenido otras 2 infecciones de transmisión sexual se asociaban con mayor riesgo de no controlar la infección por VIH. El valor promedio de los medicamentos por año por paciente fue de US$ 4 077.2 ± 3 043.8 dólares. Conclusiones La falta de adherencia al tratamiento sigue siendo uno de los problemas más importantes para garantizar efectividad, por lo cual los programas de control del VIH/SIDA deben asegurarla.


Subject(s)
Adult , Female , Humans , Male , Middle Aged , Anti-HIV Agents/therapeutic use , HIV Infections/drug therapy , AIDS-Related Opportunistic Infections/economics , AIDS-Related Opportunistic Infections/epidemiology , Anti-HIV Agents/economics , Antiretroviral Therapy, Highly Active , Colombia/epidemiology , Drug Costs , HIV Infections/economics , HIV Infections/epidemiology , Health Expenditures , Medication Adherence , Sexually Transmitted Diseases/epidemiology , Treatment Outcome , Urban Population , Viral Load
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