Non-invasive Ventilation

Non Invasive Ventilation Failure in Preterms

Risk factors for non invasive ventilation failure in preterms that lead them to use invasive ventilation

Non-invasive ventilation (NIV) is widely utilized in the initial respiratory management of very low birth weight (VLBW) preterms , particularly those born at a gestational age of less than 32 weeks, to avoid complications associated with invasive mechanical ventilation. Despite advances in neonatal respiratory care, the risk of initial NIV failure remains a significant clinical concern due to its association with increased morbidity and the subsequent need for intubation and invasive support. Early identification of neonates at high risk for NIV failure is crucial for timely intervention and optimization of respiratory strategies to improve outcomes (Wu et al., 2024). Previous multicenter and prospective studies have highlighted various clinical and physiological parameters contributing to the failure of NIV in preterms. These include lower gestational age, severe respiratory distress syndrome (RDS), higher oxygen requirements, and hemodynamic instability in the immediate postnatal period (Boix et al., 2023). The complexity of respiratory adaptation in this population necessitates robust risk stratification tools and predictive models to support clinical decision-making in the neonatal intensive care unit (NICU) (Fernandez-Gonzalez et al., 2022). Recent research efforts, including the establishment of predictive models, have focused on incorporating variables such as Apgar scores, initial FiO₂, surfactant administration, and radiographic findings to identify preterms most likely to fail NIV. Understanding these risk factors is essential not only for improving survival but also for reducing the incidence of bronchopulmonary dysplasia (BPD) and other long-term pulmonary complications (Shen et al., 2024). Furthermore, expert consensus guidelines from neonatology societies advocate for early use of continuous positive airway pressure (CPAP) and targeted surfactant therapy to mitigate the progression of RDS and enhance NIV success. However, despite adherence to best practices, a considerable proportion of VLBW preterms still experience respiratory deterioration necessitating escalation to invasive ventilation (Akin et al., 2025). Emerging data also point to institution-specific practices, such as type of NIV modality used (e.g., nasal intermittent positive pressure ventilation vs. high-frequency oscillatory NIV) (Wang et al., 2025). Given the significant clinical implications, understanding and applying these risk factors can help neonatal teams anticipate NIV failure early, apply targeted respiratory strategies, and improve short- and long-term outcomes in preterms (Afzal et al., 2024; de Souza Júnior et al., 2023; Yazici et al., 2025).

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