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High flow nasal cannula therapy versus continuous positive airway pressure and nasal positive pressure ventilation in infants with severe bronchiolitis: a randomized controlled trial.

ABSTRACT: Introduction:non-invasive ventilation is widely used in the respiratory management of severe bronchiolitis. Methods:a randomized controlled trial was carried out in a tertiary pediatric university hospital´s PICU over 3 years to compare between continuous positive airway pressure/nasal positive pressure ventilation (CPAP/NPPV) and high flow nasal cannula (HFNC) devices for severe bronchiolitis. The trial was recorded in the national library of medicine registry (NCT04650230). Patients aged from 7 days to 6 months, admitted for severe bronchiolitis were enrolled. Eligible patients were randomly chosen to receive either HFNC or CPAP/NPPV. If HFNC failed, the switch to CPAP/NPPV was allowed. Mechanical ventilation was the last resort in case of CPAP/NPPV device failure. The primary outcome was the success of the treatment defined by no need of care escalation. The secondary outcomes were failure predictors, intubation rate, stay length, serious adverse events, and mortality. Results:a total of 268 patients were enrolled. The data of 255 participants were analyzed. The mean age was 51.13 ± 34.43 days. Participants were randomized into two groups; HFNC group (n=130) and CPAP/NPPV group (n=125). The success of the treatment was significantly higher in the CPAP/NPPV group (70.4% [61.6%- 78.2%) comparing to HFNC group (50.7% [41.9%- 59.6%])- (p=0.001). For secondary outcomes, lower baseline pH was the only significant failure predictor in the CPAP/NPPV group (p=0.035). There were no differences in intubation rate or serious adverse events between the groups. Conclusion:high flow nasal cannula was safe and efficient, but CPAP/ NPPV was better in preventing treatment failure. The switch to CPAP/NPPV if HFNC failed, avoided intubation in 54% of the cases.

SUBMITTER: Borgi A

PROVIDER: S-EPMC8641623 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Respiratory support is crucial for the survival of preterm infants, and High-flow Nasal Cannula Oxygen Therapy (HFNC) and Continuous Positive Airway Pressure (CPAP) are commonly used for neonatal respiratory support. This meta-analysis aimed to compare the effects of HFNC and CPAP in primary respiratory support for preterm infants, to provide evidence-based support for clinical practice. PubMed, Embase, Cochrane Library, ClinicalTrials.gov, CNKI, VIP, WANFANG and SinoMed were searched for eligible studies. The primary outcomes included the incidence of treatment failure and the application of mechanical ventilation. A total of 27 eligible studies with 3,351 participants were included. There was no significant difference in the incidence of respiratory support failure [RR = 1.17, 95%CI (0.88-1.56)] and the application of mechanical ventilation [RR = 1.00, 95%CI (0.84-1.19)] between HFNC group and CPAP group. HFNC resulted in lower rate of air leaks [RR = 0.65, 95%CI (0.46-0.92)], nasal trauma [RR = 0.36, 95%CI (0.29-0.45)] and abdominal distension [RR = 0.39, 95%CI (0.27-0.58)], and later time of mechanical ventilation initiating [SMD = 0.60, 95%CI (0.21-0.99)], less duration of oxygen therapy [SMD = -0.35, 95%CI (-0.68 to -0.02)] and earlier enteral feeding [SMD = -0.54, 95%CI (-0.95 to -0.13)]. Alternative non-invasive respiratory support after initial treatment failure resulted in no difference in the application of mechanical ventilation between the two groups [RR = 0.99, 95%CI (0.52-1.88)]. HFNC might be more effective and safer in primary respiratory support for preterm infants. Using CPAP as a remedy for the treatment failure of HFNC could not avoid intubation. For premature infants with the gestational age <28 weeks, HFNC as primary respiratory support still needs to be further elucidated. Systematic Review Registration: https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42022313479, identifier: CRD42022313479.

Project description:Our objective was to evaluate the association of respiratory rate oxygenation index (ROX) with the need for positive pressure ventilation in children < 2 years of age with bronchiolitis on high flow nasal cannula (HFNC) therapy. We performed a single-center prospective observational study of a convenience sample of children < 2 years of age with bronchiolitis who had HFNC initiated in the pediatric emergency department between November and March, 2018-2020. ROX was calculated as pulse oximetry/FiO2/respiratory rate at HFNC initiation. Demographics, need for positive pressure ventilation (PPV), disposition, and hospital length of stay were collected. Logistic regression model was used to determine the odds ratio for PPV need relative to the highest ROX quartile. Of the 373 patients included, 49 (13.1%) required PPV. ROX was lower in patients who required PPV compared with those who did not (5.86 [4.71-7.42] vs. 6.74 [5.46-8.25]; p = 0.01). Logistic regression revealed that those patients whose ROX was in the lowest quartile (< 5.39) were three times more likely to require PPV compared to those in the highest quartile (> 8.21). These results held true after adjusting for confounders (odds ratio 3.1; 95% CI [1.3 to 7.5]; p = 0.02). The model's AUROC (0.701) indicated acceptable discrimination between cases and controls.ConclusionLow ROX index was associated with the need for PPV in children with bronchiolitis on HFNC. The risk stratification provided and ROX threshold for risk stratification require confirmation in other populations with a larger sample size.What is known• Demographic and clinical factors associated with high flow nasal cannula (HFNC) therapy in children with bronchiolitis has been studied.What is new• This is the first study to report the utility of association of Respiratory Rate Oxygenation (ROX) index for need for positive pressure ventilation (PPV) in children < 2 years of age with bronchiolitis on HFNC therapy. • ROX was lower in children who required PPV and children whose ROX was in the lowest quartile (< 5.39) were three times more likely to require PPV compared to those in the highest quartile (> 8.21).

Project description:ImportanceRespiratory distress syndrome and feeding intolerance are common conditions that are often associated with preterm infants. Showing similar efficacy, nasal continuous positive airway pressure (NCPAP) and heated humidified high-flow nasal cannula (HHHFNC) are the most widespread noninvasive respiratory support (NRS) in neonatal intensive care units, but their effect on feeding intolerance is unknown.ObjectiveTo evaluate the effect of NCPAP vs HHHFNC on high-risk preterm infants with respiratory distress syndrome.Design, setting, and participantsThis multicenter randomized clinical trial involved infants who were born in 1 of 13 neonatal intensive care units in Italy between November 1, 2018, and June 30, 2021. Preterm infants with a gestational age of 25 to 29 weeks, who were suitable for enteral feeding and who proved to be medically stable on NRS for at least 48 hours were enrolled in the study within the first week of life and randomized to receive either NCPAP or HHHFNC. Statistical analysis was performed according to the intention-to-treat approach.InterventionNCPAP or HHHFNC.Main outcomes and measuresThe primary outcome was the time to full enteral feeding (FEF), defined as an enteral intake of 150 mL/kg per day. Secondary outcomes were the median daily increment of enteral feeding, signs of feeding intolerance, effectiveness of the assigned NRS, peripheral oxygen saturation (SpO2)-fraction of inspired oxygen (FIO2) ratio at changes of NRS, and growth.ResultsTwo-hundred forty-seven infants (median [IQR] gestational age, 28 [27-29] weeks; 130 girls [52.6%]) were randomized to the NCPAP group (n = 122) or the HHHFNC group (n = 125). There were no differences in the primary and secondary nutritional outcomes between the 2 groups. The median time to reach FEF was 14 days (95% CI, 11-15 days) in the NCPAP group and 14 days (95% CI, 12-18 days) in the HHHFNC group, and similar results were observed in the subgroup of infants with less than 28 weeks' gestation. On the first NRS change, higher SpO2-FIO2 ratio (median [IQR], 4.6 [4.1-4.7] vs 3.7 [3.2-4.0]; P < .001) and lower rate of ineffectiveness (1 [4.8%] vs 17 [73.9%]; P < .001) were observed in the NCPAP vs HHHFNC group.Conclusions and relevanceThis randomized clinical trial found that NCPAP and HHHFNC had similar effects on feeding intolerance, despite different working mechanisms. Clinicians may tailor respiratory care by selecting and switching between the 2 NRS techniques on the basis of respiratory effectiveness and patient compliance, without affecting feeding intolerance.Trial registrationClinicalTrials.gov Identifier: NCT03548324.

Project description:Background: Continuous positive airway pressure (CPAP) has been associated with a lower risk of treatment failure than high-flow nasal cannula (HFNC) in pediatric patients with respiratory distress and severe hypoxemia. However, the publication of new trials on children younger than 2 years warrants a review and updated meta-analysis of the evidence. Methods: We conducted a systematic search in the PubMed, Scopus, and Google scholar databases for randomized controlled trials (RCTs) in pediatric patients with acute respiratory distress that examined outcomes of interest by the two usual management modalities (CPAP and HFNC). We used pooled adjusted relative risks (RRs) to present the strength of association for categorical outcomes and weighted mean differences (WMDs) for continuous outcomes. Results: We included data from six articles in the meta-analysis. The quality of the studies was deemed good. Included studies had infants with either acute viral bronchiolitis or pneumonia. Compared to CPAP, HFNC treatment carried a significantly higher risk of treatment failure [RR, 1.45; 95% CI, 1.06 to 1.99; I 2 = 0.0%, n = 6]. Patients receiving HFNC had a lower risk of adverse events, mainly nasal trauma [RR, 0.30; 95% CI, 0.14 to 0.62; I 2 = 0.0%, n = 2] than the others. The risk of mortality [RR, 3.33; 95% CI, 0.95, 11.67; n = 1] and need for intubation [RR, 1.69; 95% CI, 0.97, 2.94; I 2 = 0.0%, n = 5] were statistically similar between the two management strategies; however, the direction of the pooled effect sizes is indicative of a nearly three times higher mortality and two times higher risk of intubation in those receiving HFNC. We found no statistically significant differences between the two management modalities in terms of modified woods clinical asthma score (M-WCAS; denoting severity of respiratory distress) and hospitalization length (days). Patients receiving HFNC had the time to treatment failure reduced by approximately 3 h [WMD, -3.35; 95% CI, -4.93 to -1.76; I 2 = 0.0%, n = 2] compared to those on CPAP. Conclusions: Among children with respiratory distress younger than 2 years, HFNC appears to be associated with higher risk of treatment failure and possibly, an increased risk of need for intubation and mortality. Adequately powered trials are needed to confirm which management strategy is better.

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High flow nasal cannula therapy versus continuous positive airway pressure and nasal positive pressure ventilation in infants with severe bronchiolitis: a randomized controlled trial.

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