Abstract
Background
To assess association of vitamin D deficiency with cardiac and pulmonary status in infants with acute bronchiolitis.
Methods
Infants hospitalized with acute bronchiolitis were enrolled and classified as those with serum 25-hydroxyvitamin D (25-OHD) below or equal and above 20 ng/mL. The primary outcomes were cardiopulmonary involvement defined by elevation of NT-ProBNP, alteration of echocardiography parameters and respiratory support requirements. The secondary outcomes were the need for PICU admission and duration of hospitalization.
Results
92 (50 males) infants with median (IQR) age of 1 (0.5–3) month were included with median (IQR) serum 25-OHD level 27.4 (11.4–40.3) ng/mL. 43 (47%) patients had serum 25-OHD level below 20 ng/mL with left ventricle dysfunction (P=0.008), right ventricle dysfunction (P=0.008) and pulmonary hypertension (P=0.007) on echocardiography more commonly than those with serum 25-OHD >20 ng/mL. The median (IQR) serum NT-ProBNP levels were higher in those with low 25-OHD levels than normal 25-OHD levels [2232.2 (461.4–4313.3) and 830.4 (312.7–2579.5)], respectively (P=0.003). Low 25-OHD levels were associated with increased risk for PICU admission (OR 3.9 (95% CI 1.5–10.1); P=0.004), higher rates of non-invasive ventilation (P=0.048) and mechanical ventilation (P=0.005) and longer duration of hospitalization (P=0.015).
Conclusion
Low serum vitamin D level was associated with clinical severity and impaired cardiac and pulmonary status in infants with acute bronchiolitis.
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EM, CM, RG: conceptualized and designed the study, drafted the initial manuscript, and reviewed and revised the manuscript; EP,RC,RG,FG: collected data and reviewed and revised the manuscript. All authors approved the final manuscript as submitted and agree to be accountable for all aspects of the work.
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IRB, Puerta del Mar Univesity Hospital; No. 82.18, dated Oct 26, 2018.
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Estalella-Mendoza, A., Castellano-Martínez, A., Flores-González, J.C. et al. Vitamin D Levels and Cardiopulmonary Status in Infants With Acute Bronchiolitis. Indian Pediatr 59, 384–387 (2022). https://doi.org/10.1007/s13312-022-2519-0
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DOI: https://doi.org/10.1007/s13312-022-2519-0