Nebulized Budesonide Prevents Airway Inflammation in Children with High Total IgE Levels After Open Heart Surgery with Cardiopulmonary Bypass: A Prospective Randomized Controlled Trial

Overview

Journal Pediatr Cardiol

Specialties Cardiology & Vascular Diseases
Pediatrics

Date 2024 Sep 18

PMID 39292258

Authors

Limin Zhu

Chunxiang Li

Xiaolei Gong

Zhuoming Xu

Haibo Zhang

Affiliations

Soon will be listed here.

Abstract

Cardiopulmonary bypass (CPB) is a crucial technique used to repair congenital heart defects (CHD); however, it may induce inflammatory response, leading to airway inflammation and need for prolonged mechanical ventilation. In this study, we aimed to evaluate the effect of budesonide nebulization in children with high serum total immunoglobulin E (tIgE) levels undergoing surgical repair of CHD via CPB. We conducted a randomized, single-center, controlled trial at a tertiary teaching hospital. One-hundred and one children with high tIgE were enrolled and randomized into the budesonide nebulization group (BUD group, n = 50) or the normal saline nebulization group (NS group, n = 51) between January 2020 and December 2020. Budesonide or normal saline was administered through a vibrating mesh nebulizer during mechanical ventilation every 8 h. Blood and bronchoalveolar lavage fluid (BALF) samples were examined and data on airway mechanics and clinical outcomes were recorded. IL-6 and IL-8 levels in the blood and BALF samples significantly increased after CPB in both groups. Budesonide inhalation reduced IL-6 and IL-8 levels in the blood and BALF samples in children with high tIgE (P < 0.05). The mean airway pressure, PCO, and oxygen index in the BUD group were significantly lower than those in the NS group after the first inhalation dose and persisted until almost 24 h after surgery. The peak inspiratory pressure and drive pressure were lower in the BUD group than in the NS group at nearly 24 h after surgery, with no significant difference at other time points. Additionally, the duration of mechanical ventilation, number of noninvasive ventilations after extubation, and number of patients using aerosol-inhaled bronchodilators after CICU in the BUD group were significantly lower than those in the NS group (P < 0.05). Children with high preoperative tIgE levels are at risk of airway inflammation after cardiopulmonary bypass. Inhaling budesonide during postoperative mechanical ventilation can reduce the intensity of inflammatory reactions, shorten the duration of mechanical ventilation, reduce airway pressure and the utilization of NIV after extubation.

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