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Clinical characteristics of children treated with high-frequency oscillation ventilation
Lihua Wen1, Xiaohuan Guo2, Yiyu Yang1
1Pediatric Intensive Care Unit, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China.
Insights
High-frequency oscillation ventilation (HFOV) in pediatric intensive care units primarily treats infants with severe multi-system diseases. This study found high mortality rates, with survivors showing better oxygenation and lower peak airway pressure during HFOV treatment.
Area of Science:
- Pediatric Critical Care Medicine
- Respiratory Therapy
- Infectious Diseases
Background:
- High-frequency oscillation ventilation (HFOV) is a critical respiratory support method in pediatric intensive care units (PICUs).
- Understanding the clinical characteristics of children receiving HFOV is essential for optimizing treatment and improving outcomes.
- Infants and young children often present complex multi-system diseases requiring advanced ventilation strategies.
Purpose of the Study:
- To investigate the clinical characteristics of pediatric patients treated with HFOV.
- To identify factors associated with outcomes in children receiving HFOV.
- To analyze the common pathogens and complications in this patient population.
Main Methods:
- Retrospective analysis of clinical data from 52 children treated with HFOV in a PICU.
- Data collected included patient demographics, diagnoses, pathogens, complications, and treatment parameters.
- Statistical analysis was performed to compare characteristics between survivors and non-survivors.
Main Results:
- The study included predominantly infants (43/52) with multi-system diseases, including severe pneumonia (73.1%), pulmonary hypertension (23.1%), and septicemia (25.0%).
- Common pathogens included adenovirus, Staphylococcus aureus, Mycoplasma pneumoniae, and fungal infections, with frequent mixed infections.
- Complications such as air leakage (19.2%) and mucus plugging (63.5%) were noted. Survivors had lower peak airway pressure and better oxygenation indices (P/F ratio) than non-survivors.
Conclusions:
- Children treated with HFOV, particularly infants under 36 months, often have severe multi-system diseases and mixed infections, leading to high mortality rates.
- Effective HFOV management, indicated by lower peak airway pressure and improved oxygenation, is crucial for survival.
- Further research into optimizing HFOV strategies for complex pediatric cases is warranted.
Abstract:
High-frequency oscillation ventilation (HFOV) is a commonly used therapeutic modality in the pediatric intensive care unit, and this study aims to investigate the clinical characteristics of children treated with HFOV. The clinical data of children admitted to the PICU of Guangzhou Women and Children's Medical Center from January 1, 2017 to December 31, 2022, who were treated with HFOV, were retrospectively collected and the clinical features data were analyzed. A total of 52 children treated with HFOV were included in this study, with a higher number of infants compared to older children (43 infants vs 9 older children, P <.05). The clinical manifestations of the children were multi-systemic diseases. 73.1% of the children were diagnosed with severe pneumonia, 23.1% had pulmonary hypertension, 25.0% were diagnosed with septicemia, and more than half of the children had underlying diseases in different systems, which required additional advanced support during treatment. In terms of pathogenesis, adenovirus (13.5%), Staphylococcus aureus and Mycoplasma pneumoniae (11.5%), and fungal infections (23.1%) were frequently identified, with many children suffering from mixed infections. Complications were notable; 19.2% of the children experienced air leakage, while 63.5% had mucus plugging. Finally, 46.2% of the children improved and were discharged, while 36.5% unfortunately did not survive. Surviving infants had a lower average peak airway pressure with HFOV than the fatal group (P <.05), Additionally, the oxygenation index values were lower, and the P/F values (PaO2/FiO2 ratio) were higher in the survivors than in the fatal group (P <.05). Children treated with HFOV were predominantly infants and young children under 36 months old. These patients exhibited high mortality rates and impacted on multiple systems throughout the body, often with mixed infections. These children required more significant medical support and longer treatment times.
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