Long-term follow up of humoral immune status in adult lung transplant recipients

Diana A. van Kessel*, Thijs W. Hoffman, Johanna M. Kwakkel-van Erp, Erik Jan D Oudijk, Pieter Zanen, Ger T. Rijkers, Jan C. Grutters

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review


Background Lung transplant recipients have an increased risk for infections in the posttransplant period due to immunosuppressive therapy. Protection against infections can be achieved through vaccination, but the optimal vaccination schedule in lung transplant recipients is unknown. Data on long-term immunological follow up and vaccination responses after lung transplantation are scarce. Methods Here we present long-term immunological follow up of a cohort of 55 lung transplant recipients. This includes detailed antibody responses after 23-valent pneumococcal polysaccharide vaccination (23vPPV). Results All patients were vaccinated with 23vPPV before transplantation. Median follow-up after transplantation was 6.6 years (379 patient-years). After transplantation, there is a significant decrease of all immunoglobulins, IgG subclasses and pneumococcal polysaccharide antibodies. After the first year posttransplantation, there is a gradual increase of all immunoglobulins and IgG subclasses, but values were always significantly lower than in the pretransplant period. After a median of 4.4 years posttransplantation, patients were revaccinated with 23vPPV. The pneumococcal polysaccharide antibody response was impaired in 87% of patients (ie, antibody titer above cutoff and twofold increase between pre and postvaccination values for <70% of serotypes). Conclusions We found that impairment of humoral immunity was most outspoken in the first year after lung transplantation. Immunoglobulin levels remain decreased several years after transplantation and the response to pneumococcal polysaccharide vaccine was significantly lower posttransplantation compared to the pretransplantation response. However, most patients did show a partial response to vaccination. Based on our results, revaccination with pneumococcal vaccines after transplantation should be considered 1 year after transplantation.

Original languageEnglish
Pages (from-to)2477–2483
Number of pages7
Issue number10
Publication statusPublished - Oct 2017


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