Efficacy of palivizumab prophylaxis among infants with congenital heart disease: A case control study
Abdullah Ozyurt1, Nazmi Narin1, Ali Baykan1
1Departments of Pediatric Cardiology, Erciyes University Faculty of Medicine, Kayseri, Turkey.
Insights
Palivizumab prophylaxis significantly reduced lower respiratory tract infections (LRTIs) and hospitalizations in infants with congenital heart disease (CHD). This protective effect highlights its importance for vulnerable pediatric populations.
Area of Science:
- Pediatric Cardiology
- Infectious Diseases
- Respiratory Medicine
Background:
- Palivizumab prophylaxis is known to decrease RSV-related hospital admissions in children with symptomatic cardiac disease.
- Infants with congenital heart disease (CHD) are at increased risk for severe respiratory infections.
Purpose of the Study:
- To evaluate the efficacy of palivizumab prophylaxis in preventing lower respiratory tract infections (LRTIs) among infants with CHD in Turkey.
- To compare LRTI rates and hospitalization in infants with CHD who received palivizumab versus those who did not.
Main Methods:
- A retrospective case-control study involving 91 infants with CHD receiving palivizumab and 96 infants with CHD not receiving prophylaxis.
- Data collected included patient characteristics, household environment, and incidence of LRTIs.
Main Results:
- Infants without palivizumab prophylaxis had significantly higher rates of overall LRTIs, complicated LRTIs, LRTI-related hospitalizations, and ICU admissions.
- Factors associated with LRTI-related hospitalization included low weight percentile and chromosome abnormalities in the prophylaxis group, and sibling presence and congestive heart failure in the control group.
Conclusions:
- Palivizumab prophylaxis demonstrated a significant reduction in overall and complicated LRTIs, as well as hospitalizations and ICU admissions in infants with CHD.
- These findings support the use of palivizumab for preventing respiratory infections in this high-risk pediatric population.
Background:
Palivizumab prophylaxis for RSV has been consistently reported to reduce the risk of hospital admissions related to RSV infection in children with symptomatic cardiac disease. This study was designed to investigate the efficacy of palivizumab prophylaxis among infants with congenital heart disease (CHD) in Turkey.
Methods:
A total of 91 infants with CHD who received palivizumab prophylaxis and 96 infants with CHD without prophylaxis (0-12 months:52; 12-24 months:44) were included in this single-center retrospective case control study. Data on patient characteristics, household environment, and LRTIs were evaluated.
Results:
In patients without prophylaxis, the rate of overall lower respiratory tract infections (LRTIs) (P < 0.001), complicated LRTIs (P = 0.006), LRTI-related hospitalization (P < 0.001) and ICU admission (P = 0.008) were significantly higher than control patients. Weight <10th percentile (odds ratio (OR) 5.78, 95% confidence interval (CI):1.37; 24.4, P < 0.001) and concomitant chromosome abnormality (OR 4.01, 95% CI:1.01;16.45, P < 0.001) in patients with prophylaxis, while presence of a sibling <11 years of age (OR 3.38, 95% CI: 1.21; 9.46, P < 0.001) and congestive heart failure (OR 8.63, 95% CI: 2.81; 26.6, P < 0.001) in the control group were the significant correlates of LRTI-related hospitalization.
Conclusion:
Our findings revealed significantly lower rate of overall and complicated LRTIs, LRTI-related hospitalization and ICU admissions in infants with CHD via palivizumab prophylaxis.
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