Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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! # Ola via Alexandros G.Sfakianakis on Inoreader

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Πέμπτη 16 Φεβρουαρίου 2017

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

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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 prior to transplantation. Median follow-up after transplantation was 6.6 years (379 patient-years). Following 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 2-fold increase between pre and postvaccination values for

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