4.6 Article

Pneumocystis jirovecii Pneumonia in Patients with Inflammatory Bowel Disease-a Case Series

Journal

JOURNAL OF CROHNS & COLITIS
Volume -, Issue -, Pages -

Publisher

OXFORD UNIV PRESS
DOI: 10.1093/ecco-jcc/jjac153

Keywords

Pneumocystis jirovecii pneumonia; inflammatory bowel disease

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This study aimed to describe the exposure to immunosuppressive treatment and outcomes in inflammatory bowel disease (IBD) patients with Pneumocystis jirovecii pneumonia (PJP). The results showed that among 17 IBD patients, 18 episodes of PJP were reported, with two deaths. The study highlights the importance of adjusted prophylactic therapy in immunosuppressed IBD patients.
Background and Aim Pneumocystis jirovecii pneumonia [PJP] is a very rare, potentially life-threatening pulmonary fungal infection that occurs in immunocompromised individuals including patients with inflammatory bowel disease [IBD]. Our aim was to describe immunosuppressive treatment exposure as well as the outcome in IBD patients with PJP. Methods PJP cases were retrospectively collected through the COllaborative Network For Exceptionally Rare case reports of the European Crohn's and Colitis Organisation. Clinical data were provided through a case report form. Results In all, 18 PJP episodes were reported in 17 IBD patients [10 ulcerative colitis and seven Crohn's disease]. The median age at PJP diagnosis was 55 years (interquartile range [IQR], 40-68 years]. Two PJP [11.1%] occurred in patients on triple immunosuppression, 10 patients [55.6%] had double immunosuppressive treatment, four patients [22.2%] had monotherapy and two PJP occurred in absence of immunosuppressive treatment [one in a human immunodeficiency virus patient and one in a patient with a history of autologous stem cell transplantation]. Immunosuppressive therapies included steroids [n = 12], thiopurines [n = 10], infliximab [n = 4], ciclosporin [n = 2], methotrexate [n = 1], and tacrolimus [n = 1]. None of the patients diagnosed with PJP had received prophylaxis. All patients were treated by trimethoprim/sulphamethoxazole or atovaquone and an intensive care unit [ICU] stay was required in seven cases. Two patients [aged 71 and 32 years] died, and one patient had a recurrent episode 16 months after initial treatment. Evolution was favourable for the others. Conclusion This case series reporting potentially fatal PJP highlights the need for adjusted prophylactic therapy in patients with IBD on immunosuppressive therapy.

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