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Published on: February 23, 2014
National hospitalization trends for pediatric pneumonia and associated complications
Grace E Lee1, Scott A Lorch, Seth Sheffler-Collins
1Children's Hospital of Philadelphia, Division of General Padiatrics, Philadelphia, PA 19104, USA.
Insights
Pediatric community-acquired pneumonia (CAP) hospitalizations remained stable overall, but local complication rates increased significantly across all age groups after PCV7 vaccine introduction. Systemic complications decreased only in infants.
Area of Science:
- Pediatric infectious diseases
- Public health surveillance
- Vaccinology
Background:
- Community-acquired pneumonia (CAP) is a leading cause of childhood hospitalization.
- The introduction of the heptavalent pneumococcal conjugate vaccine (PCV7) aimed to reduce pneumococcal disease burden.
- Understanding trends in CAP and its complications is crucial for public health strategies.
Purpose of the Study:
- To analyze hospitalization rates and trends for pediatric CAP.
- To assess changes in CAP-associated systemic and local complications post-PCV7 introduction.
- To identify age-specific trends in CAP hospitalizations and complications.
Main Methods:
- Retrospective cohort study using the Kids' Inpatient Database (1997-2006).
- Analysis of national estimates for CAP and associated complications in children aged <= 18 years.
- Exclusion of patients with comorbidities or in-hospital birth status; comparison of pre-PCV7 (1997) and post-PCV7 (2006) data.
Main Results:
- Overall CAP hospitalization rates showed no substantial change between 1997 and 2006.
- A 22% decrease in CAP hospitalizations was observed for infants (<1 year), with increases in older children (6-12 years: 22%, >=13 years: 41%).
- Systemic complication rates decreased by 36% in infants but remained stable in other age groups, while local complication rates increased by 78% overall.
Conclusions:
- PCV7 introduction was associated with decreased systemic complications only in children <1 year.
- Pediatric CAP-associated local complications are rising across all age demographics.
- Ongoing surveillance is necessary to monitor evolving trends in pediatric CAP and its management.
Objective:
To determine current rates of and trends in hospitalizations for community-acquired pneumonia (CAP) and CAP-associated complications among children.
Methods:
We performed a cross-sectional, retrospective, cohort study by using the 1997, 2000, 2003, and 2006 Kids' Inpatient Database. National estimates for CAP and CAP-associated local and systemic complication rates were calculated for children < or =18 years of age. Patients with comorbid conditions or in-hospital birth status were excluded. Percentage changes were calculated by using 1997 (before heptavalent pneumococcal conjugate vaccine [PCV7]) and 2006 (after PCV7) data.
Results:
There were a total of 619,102 CAP discharges for 1997, 2000, 2003, and 2006, after application of inclusion and exclusion criteria. Overall rates of CAP discharges did not change substantially between 1997 and 2006, but stratification according to age revealed a 22% decrease for children <1 year of age, minimal change for children 1 to 5 years of age, and increases for children 6 to 12 years (22%) and > or =13 years (41%) of age. Systemic complication rates were highest among children <1 year of age but decreased by 36%. In all other age groups, systemic complication rates remained stable. Local complication rates increased 78% overall. Children 1 to 5 years of age had the highest local complication rates.
Conclusions:
After the introduction of PCV7 in 2000, rates of CAP-associated systemic complications decreased only for children <1 year of age. Rates of pediatric CAP-associated local complications are increasing in all age groups.
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