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Immunisation in the current management of cystic fibrosis patients
Anne Malfroot1, Georgios Adam, Oana Ciofu
1Department of Paediatrics, Paediatric Respiratory Medicine, Infectious Diseases and Cystic Fibrosis Clinic, Academisch Ziekenhuis-Vrije Universiteit Brussel (AZ-VUB), Laarbeeklaan 101, B-1090 Brussels, Belgium. anne.malfroot@az.vub.ac.be
Insights
Patients with cystic fibrosis (CF) should adhere to national immunization programs for optimal vaccine coverage. Vaccinations against hepatitis A and B, varicella, influenza, and pneumococcal disease are recommended for individuals with CF.
Area of Science:
- Immunology
- Pulmonology
- Public Health
Background:
- Cystic Fibrosis (CF) patients may have suboptimal vaccination coverage due to frequent hospitalizations and school absenteeism.
- Individuals with CF are at increased risk for vaccine-preventable diseases throughout their lives.
- There is a lack of uniform European immunization schedules for various vaccines in CF patients.
Purpose of the Study:
- To review the literature on vaccination in patients with Cystic Fibrosis (CF) and other chronic diseases.
- To provide recommendations for optimal vaccination strategies in CF.
- To identify gaps in current vaccination guidelines for CF patients.
Main Methods:
- Systematic literature review of vaccination in CF and chronic diseases.
- Analysis of existing European and national immunization programs.
- Evaluation of vaccine recommendations for specific diseases relevant to CF.
Main Results:
- Hepatitis A and B vaccination is recommended for CF patients, similar to those with chronic liver disease.
- Varicella vaccination is recommended for seronegative adolescents and transplant candidates due to potential pulmonary complications.
- Annual influenza and general pneumococcal vaccination are indicated for CF patients.
- RSV infection's role in CF requires further investigation, with no current vaccine available.
Conclusions:
- CF patients benefit significantly from timely adherence to national immunization programs.
- Specific recommendations for vaccines like Hepatitis A/B, Varicella, Influenza, and Pneumococcal are crucial for CF management.
- Further research is needed to refine vaccination guidelines, particularly for adult CF patients and transplant candidates.
Abstract:
Although no special recommendations exist, clearly patients with cystic fibrosis (CF) can benefit from immunisation. We reviewed the literature regarding vaccination in CF and other chronic diseases. CF subjects should follow national immunisation programmes without delay to obtain optimal vaccination coverage. Indeed they may escape normal programmes due to frequent hospital admissions and school absenteeism and may be more at risk to get "vaccine-controlled" diseases at any age. There is no uniform European immunisation schedule for basic infant and childhood vaccines or for vaccines against hepatitis A (HAV) and B (HBV), varicella (VZ) and booster vaccinations. HAV and HBV vaccination is appropriate in CF as recommended in general for patients with chronic liver disease (CLD). Varicella (VZ) vaccination is not recommended in all European countries. There are no recent data about possible worsening of pulmonary status following VZ in CF, but it is known to cause pulmonary damage in non-CF adults and to be potentially fatal post transplantation and during steroid treatment. Therefore it is recommended at least for seronegative adolescents and transplant candidates. Influenza vaccine is recommended annually for CF patients aged > or =6 months. Pneumococcal vaccine is generally indicated for CF patients. RSV infection might play a role in the initial Pseudomonas colonization and the decline in pulmonary function. However no RSV vaccine is available at present. There are no recommendations for palivizumab in CF as an alternative but expensive prophylaxis. Anti-bacterial vaccinations protecting directly against Pseudomonas aeruginosa colonisation are promising for the future, potential candidates are currently being assessed in phase III clinical trials. More studies are needed to complete recommendations especially for CF adults and transplant candidates.
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