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Impact of parainfluenza virus infection in pediatric cancer patients
Se Hyun Maeng1, Hye Soo Yoo, Soo-Han Choi
1Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
Insights
Parainfluenza virus (PIV) is a common cause of respiratory virus infections in pediatric cancer patients. PIV infection can lead to severe lung issues and mortality, highlighting the need for strict infection control.
Area of Science:
- Pediatric Oncology
- Infectious Diseases
- Critical Care Medicine
Background:
- Respiratory virus (RV) infections pose significant risks to pediatric cancer patients.
- Parainfluenza virus (PIV) is a frequent childhood respiratory pathogen.
Purpose of the Study:
- To evaluate the impact of parainfluenza virus (PIV) infection in pediatric cancer patients.
- To assess PIV infection-related morbidity and mortality in this vulnerable population.
Main Methods:
- Retrospective analysis of 1,554 pediatric cancer patients' medical records.
- Data collected from January 2000 to July 2008 at Samsung Medical Center.
Main Results:
- 6.4% of patients had RV infections, with PIV accounting for 54% of these cases.
- PIV infection frequently led to upper respiratory tract infections (URIs), with 20.3% progressing to pneumonia.
- Mortality was 18.5% in patients with lower respiratory tract infections (LRIs) due to PIV; 80% of PIV infections were nosocomial.
Conclusions:
- PIV is a significant pathogen in immunocompromised children with cancer, causing pulmonary complications and mortality.
- Effective antiviral treatments are lacking; thus, infection control and early diagnosis are crucial for prevention.
Background:
Respiratory virus (RV) infection can cause significant morbidity and mortality in pediatric cancer patients. Parainfluenza virus (PIV) is a common pathogen in childhood among the respiratory viruses. The objective of this study is to evaluate the impact of parainfluenza virus infection in pediatric cancer patients.
Procedure:
A retrospective review of medical records of 1,554 children diagnosed with cancer from January 2000 through July 2008 was analyzed at Samsung Medical Center.
Results:
A total of 6.4% (137/1,554) had respiratory virus infection and 54% (74/137) of patients with RV infection had PIV infection. PIV type 3 was the predominant subtype. Among patients with PIV infection, 59 children (79.7%) had upper respiratory tract infection (URI) whereas 15 children (20.3%) had lower respiratory tract infection (LRI) at initial presentation. Among patients with URI, 12 (20.3%) progressed to pneumonia with the median interval of 4 days from URI to LRI. Mortality associated with PIV infection was 18.5% (5/27) in patients with LRI. Among patients with PIV infection, 80% (59/74) had nosocomial infection, which shows the difficulty and importance of infection control at pediatric cancer ward.
Conclusions:
PIV infection was most commonly diagnosed among pediatric cancer patients with RV infection and PIV infection led to significant pulmonary complications and direct mortality in immunocompromised children. Since there are no effective antiviral agents for PIV infection, precautionary infection control and early diagnosis are the only methods available to prevent the infection spread.
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