Successful Prophylactic Minocycline Treatment for Recurrent Helicobacter Cinaedi Sepsis during Chemotherapy in a Patient with Follicular Lymphoma

2017 
: A 63-year-old man with follicular lymphoma was administered standard R-CHOP chemotherapy. Six days after the second course of chemotherapy, the patient developed fever and chills. Blood cultures yielded rod-shaped gram-negative bacteria, but no further identification was obtained. High fever and chills returned on the fifth and sixth days after the third and fourth courses of R-CHOP, respectively. These blood cultures were also positive. Since we detected spiral-shaped gram-negative rods, we performed a prolonged culture during the febrile period after the fourth course of R-CHOP. This revealed the formation of characteristic film-like colonies, and Helicobacter cinaedi(H. cinaedi)bacteria was identified. After final identification, the patient was administered prophylactic minocycline treatment. Subsequent blood cultures were negative, fever did not recur, and we were able to complete 6 courses of R-CHOP. Although H. cinaedi has been reported to be a cause of sepsis in immunocompromised patients, standard correlation has not been established. Our case suggests that H. cinaedi should be considered when recurrent fever is observed after chemotherapy. Prophylactic antibiotic treatment with minocycline may prevent sepsis, as observed in our case.
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