Efecti vidad y seguridad de nifedipino solución vs. nifedipino cápsulas para la amenaza de parto pretérmino. Estudio retrospecti vo

2016 
espanolObjeti vo: analizar la efecti vidad y seguridad de nifedipino solucion comparado con nifedipino capsulas en el tratamiento de la amenaza de parto prematuro (APP). Metodos: estudio retrospecti vo, unicentrico, en mujeres con APP, tratadas con nifedipino como tocoliti co de primera eleccion, entre enero de 2012 y diciembre de 2015. Se distribuyeron en dos cohortes, segun recibieron nifedipino capsulas o nifedipino solucion. Se analizaron las caracteristi cas obstetricas al ingreso, dosis de tocoliti co administrado, prolongacion de parto y reacciones adversas. Resultados: no hubo diferencias signifi cati vas en cuanto a la prolongacion de parto de 48 horas y 7 dias. La dosis total uti lizada de nifedipino fue menor en solucion que en capsulas (mediana 75 mg; IQR: 125 vs. 120 mg; IQR: 140), respecti vamente. Un menor numero de mujeres presento uno o mas efectos adversos en nifedipino solucion frente a capsulas (12,1% vs. 37,3 %; p = 0,010). Conclusiones: nifedipino solucion mostro efi cacia similar a nifedipino capsulas, pero con un menor numero de efectos secundarios (tales como hipotension y taquicardia) EnglishObjecti ve: To analyze the eff ecti veness and safety of nifedipine oral soluti on compared with nifedipine oral capsules as tocolyti c agent in pregnant women with threatened preterm labor (TPL). Methods: Single-center retrospecti ve study was performed in women with TPL treated with nifedipine as a tocolyti c of fi rst choice, between January 2012 and December 2015. There were two cohorts: pati ents who received nifedipine capsules and pati ents who received nifedipine oral soluti on. Results: Obstetric characteristi cs, total tocolyti c doses administered prolongati on of pregnancy and adverse reacti ons were analyzed. There were no signifi cant diff erences for the prolongati on of pregnancy to 48 hours and to 7 days. The total tocolyti c dose used was lower for nifedipine oral soluti on than for nifedipine capsules (median 75 mg; IQR: 125 vs. 120 mg; IQR: 140) respecti vely. The incidence of adverse events was signifi cantly lower on nifedipine soluti on group than on nifedipine capsules group (12.1% vs. 37.3%; p = 0.010). Conclusions: Nifedipine soluti on showed similar eff ecti veness to nifedipine capsules but with less secondary eff ects
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