EVOLUCIÓN A UN AÑO DE LOS EFECTOS ADVERSOS, EN UNA COHORTE DE PACIENTES CON IMPLANTE SUBDÉRMICO DE DESOGESTREL
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Abstract
Objetivo: El propósito de la investigación fue evaluar la evolución a un año los efectos adversos en una cohorte de pacientes con implante subdérmico de desogestrel. Método: Se incluyeron pacientes portadoras de implante que tenían como mínimo tres meses de uso, previo consentimiento informado. Se realizaron 4 mediciones en forma trimestral, registrándose los efectos más frecuentes referidos por la paciente. El análisis incluyó porcentajes, promedios e intervalos de confianza al 95%. Resultados: Se estudiaron 50 pacientes, los efectos adversos presentados con mayor frecuencia en el primer trimestre fueron alteraciones del ciclo 48%, mastalgia 46%, amenorrea 40%, mareo 40%, cefalea 40%, náuseas 30%, acné 28%, aumento de peso 26% y dolor local 10%. Se observó al final del tercer trimestre reducción de la cefalea, mastalgia y mareo (p<0,05); para el cuarto trimestre las náuseas y las alteraciones del ciclo (p<0,05). El 11,1% de las pacientes desertaron del método al final del estudio. Se observó que el uso del desogestrel tuvo un valor estadísticamente significativo para el control de la dismenorrea (p<0,05) al final del cuarto trimestre de uso. Conclusión: Los implantes de desogestrel tienen efectos adversos importantes en los primeros meses de uso para disminuir la mayoría de ellos al final del primer añoObjective: To determine the adverse effects of implants subskin of desogestrel. Method: A descriptive longitudinal study was made in a cohort carrying patients of implants that they had as minimum three months of use, previous informed consent were included in the study. Four measurements were made in quarterly form, registering the most frequent effects, referred by the patient. It was used descriptive statistic and confidence intervals. Results: It was study 50 patients. The presented effects with greater percentage in the first trimester were: alterations of cycle 48%, mastalgia 46%, amenorrhoea 40%, dizzies 40%, headache 40%, nauseas 30%, acne 28%, increase of weight 26% and local pain 10%. It was observed at the end of the third quarterly reduction of the statistically significant effects of the headache, mastalgia, dizzies (p<0.05), for the fourth trimester nauseas and alterations of the cycle (p<0.05). The 11.1% of the patients deserted of the method at the end of the study. It was observed that the use of desogestrel had a significant statistic for the control of the dismenorrea with p< 0.05 at the end of the fourth trimester of use. Conclusions: You implant them of desogestrel have adverse effects important in the first's months of use to diminish most of them at the end of the first year
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