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Rationale When patients are using carbasalate calcium or acetylsalicylic acid (ASA), it is recommended to prescribe a proton pump inhibitor (PPI) in order to prevent gastrointestinal (GI) bleeding. Should this recommendation also be followed for patients who are using clopidogrel in monotherapy, which is increasingly the case in practice? Method In a systematic literature review of the occurrence of GI bleeding when using clopidogrel versus ASA, we included 9 studies that compared the risk of GI bleeding when using ASA with clopidogrel monotherapy. Results These 9 studies on clopidogrel and ASA show that the risk of GI bleeding is also elevated when using clopidogrel monotherapy and that it is comparable with the risk of GI bleeding when using ASA. Conclusion Based on the current literature, we recommend prescribing pantoprazole to patients who are using clopidogrel monotherapy and have additional risk factors for GI bleeding, in accordance with the procedure for low-dose ASA. The risk of GI bleeding must be weighed against the disadvantages of using PPIs.

A 69-year-old man with chronic lymphocytic leukemia presented with fever and a productive cough. He was diagnosed with a histoplasmosis infection, caused by the dimorphic fungus Histoplasma capsulatum, which is rare in the Netherlands but endemic in parts of the United States and South America. The patient was treated with high doses of itraconazole and gamma globulin infusions. This initially led to a clinical improvement, but eventually he developed a probable progressive histoplasmosis. The patient refused additional treatment and died. In immunocompromised patients, infections of the respiratory tract can be caused by a broad variety of agents. Knowledge of the patient's travel history is crucial to determine or exclude certain causal agents.