Related Experiment Videos
Pneumococcal infections in splenectomized children are preventable
1WHO Collaborating Centre for Reference & Research on Pneumococci, Statens Seruminstitut, Copenhagen, Denmark.
Insights
Children who received pneumococcal vaccination and antibiotic prophylaxis after splenectomy showed no invasive pneumococcal infections. This contrasts with unvaccinated children, highlighting the efficacy of these interventions in preventing post-splenectomy infections.
Area of Science:
- Pediatric Infectious Diseases
- Immunology
- Public Health
Background:
- Splenectomy increases the risk of severe infections, particularly from encapsulated bacteria like Streptococcus pneumoniae.
- Previous studies indicated a significant risk of invasive pneumococcal infection in asplenic children before vaccine availability.
Purpose of the Study:
- To evaluate the effectiveness of pneumococcal vaccination and antibiotic prophylaxis in preventing invasive pneumococcal infections in children who underwent splenectomy.
- To compare infection rates in splenectomized children before and after the introduction of pneumococcal vaccines and prophylactic measures.
Main Methods:
- Retrospective cohort study using the Danish National Patient Registry.
- Identified children (0-15 years) who underwent splenectomy between 1979-1987.
- Compared infection rates with historical data from 1969-1978 and identified children hospitalized for pneumococcal meningitis or bacteremia.
Main Results:
- None of the splenectomized children who received pneumococcal vaccination and antibiotic prophylaxis developed invasive pneumococcal infections during the observation period (1979-1987).
- This contrasts with a 4% infection rate in splenectomized children from a previous study period (1969-1978) when vaccines were unavailable.
- The combined strategy of vaccination and antibiotic prophylaxis demonstrated high efficacy.
Conclusions:
- Pneumococcal vaccination combined with antibiotic prophylaxis is highly effective in preventing invasive pneumococcal infections in children post-splenectomy.
- These interventions significantly reduce the risk of severe outcomes associated with asplenia.
- The findings support the implementation of vaccination and prophylactic antibiotic protocols for asplenic children.
Abstract:
Through the Danish National Patient Registry we identified all children 0-15 years old who had been splenectomized during the period 1979-87 and all children of the same age who, during the same period of time, had been admitted to a hospital because of either meningitis or bacteraemia caused by Streptococcus pneumoniae. We wanted to see whether any of the splenectomized children had developed invasive pneumococcal infection during the observation period. A similar Danish study covering the period 1969-78, when pneumococcal vaccine was not available, has already been published (3). Four per cent of the children splenectomized during that period developed invasive pneumococcal infection in contrast to none of the children splenectomized and vaccinated during the period 1979-87. Since 1982 antibiotic treatment of splenectomized patients running a fever has been recommended, and we show that the program of pneumococcal vaccination and defined antibiotic prophylaxis has been highly efficacious in preventing post-splenectomy infections in children.