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Effectiveness of magnesium sulfate as initial treatment of acute severe asthma in children, conducted in a tertiary-level university hospital: A randomized, controlled trial / Eficacia del sulfato de magnesio como tratamiento inicial del asma aguda grave pediátrica: Estudio aleatorizado y controlado
Torres, Silvio; Sticco, Nicolás; Bosch, Juan José; Iolster, Tomás; Siaba, Alejandro; Rocca Rivarola, Manuel; Schnitzler, Eduardo.
  • Torres, Silvio; Hospital Austral. Department of Mother and Child Health. Buenos Aires. AR
  • Sticco, Nicolás; Hospital Austral. Department of Mother and Child Health. Buenos Aires. AR
  • Bosch, Juan José; Hospital Austral. Department of Mother and Child Health. Buenos Aires. AR
  • Iolster, Tomás; Hospital Austral. Department of Mother and Child Health. Buenos Aires. AR
  • Siaba, Alejandro; Hospital Austral. Department of Mother and Child Health. Buenos Aires. AR
  • Rocca Rivarola, Manuel; Hospital Austral. Department of Mother and Child Health. Buenos Aires. AR
  • Schnitzler, Eduardo; Hospital Austral. Department of Mother and Child Health. Buenos Aires. AR
Arch. argent. pediatr ; 110(4): 291-296, ago. 2012. tab
Article in English | LILACS | ID: lil-657461
ABSTRACT
Introduction. Magnesium sulfate is a calcium antagonist that inhibits bronchial smooth muscle contraction promoting bronchodilation. It is used for the management of acute severe asthma in children; however most of the studies have been performed in adults. Objective. To evaluate the effectiveness of intravenous magnesium sulfate for the treatment of pediatric patients with acute severe asthma exacerbations. Population and Methods. A clinical, randomized, controlled trial was conducted between March 2006 and March 2011 at Hospital Universitario Austral. Children with acute severe asthma admitted to the emergency department were randomized into two groups. Group A (control group) standard protocol for the initial treatment of acute asthma exacerbation. Group B treatment protocol with magnesium sulphate for acute severe asthma exacerbation. The primary outcome was the requirement of invasive or non invasive mechanical ventilation support. Results. One hundred and forty three patients randomized into 2 groups were analyzed. The treatment group included 76 patients receiving magnesium sulfate within the first hour of the initiation of rescue treatment at the hospital, and the control group included 67 patients not treated with magnesium sulphate. Among the patients in the control group, 33% (n= 22) required mechanical ventilation support, compared to only 5% (n= 4) of the patients in the treatment group (p = 0.001). Conclusions. Intravenous infusion of magnesium sulfate during the first hour of hospitalization in patients with acute severe asthma significantly reduced the percentage of children who required mechanical ventilation support.
RESUMEN
Introducción. El sulfato de magnesio es un antagonista del calcio que inhibe la contracción del músculo liso bronquial y favorece la broncodilatación. Se utiliza en el manejo del asma aguda grave en pediatría no obstante haber sido la mayoría de los estudios desarrollados en adultos. Objetivo. Evaluar la eficacia del sulfato de magnesio endovenoso para exacerbaciones graves de pacientes asmáticos pediátricos. Población y métodos. Se realizó un estudio clínico, controlado y aleatorizado, entre marzo de 2006 y marzo de 2011 en el Hospital Universitario Austral. Los pacientes con asma aguda grave admitidos en Emergencias se aleatorizaron en dos grupos. Grupo A protocolo inicial estándar de exacerbación asmática aguda grave. Grupo B protocolo de intervención con sulfato de magnesio de exacerbación asmática aguda grave. La variable principal de resultado fue la necesidad de soporte invasivo o no invasivo ventilatorio mecánico. Resultados. Se analizaron 143 pacientes aleatorizados en 2 grupos. El grupo de intervención de 76 pacientes que recibieron tratamiento con sulfato de magnesio dentro de la primera hora de iniciado el tratamiento de rescate en el hospital, y el grupo control testigo de 67 pacientes que no recibieron tratamiento con sulfato de magnesio. El 33% (n= 22) de los pacientes del grupo control requirió asistencia ventilatoria mecánica, en comparación con solo 4 (5%) de los pacientes del grupo intervención (p= 0,001). Conclusiones. El uso de sulfato de magnesio en infusión endovenosa en la primera hora de ingreso del paciente con asma aguda grave redujo significativamente el porcentaje de niños que requirieron asistencia ventilatoria mecánica.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Asthma / Anti-Asthmatic Agents / Magnesium Sulfate Type of study: Controlled clinical trial / Practice guideline Limits: Adolescent / Child / Child, preschool / Female / Humans / Male Language: English Journal: Arch. argent. pediatr Journal subject: Pediatrics Year: 2012 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospital Austral/AR

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Full text: Available Index: LILACS (Americas) Main subject: Asthma / Anti-Asthmatic Agents / Magnesium Sulfate Type of study: Controlled clinical trial / Practice guideline Limits: Adolescent / Child / Child, preschool / Female / Humans / Male Language: English Journal: Arch. argent. pediatr Journal subject: Pediatrics Year: 2012 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospital Austral/AR