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Erschienen in:
26.07.2016 | Original Article
Impact of malignancy on Clostridium difficile infection
Erschienen in: European Journal of Clinical Microbiology & Infectious Diseases | Ausgabe 11/2016
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Purpose
The purpose of this study was to investigate the impact of malignancy and chemotherapy on the clinical and microbiological characteristics of Clostridium difficile infections (CDI).
Methods
CDI patients with a history of malignancy within 5 years were defined as the cancer group. The characteristics of the patients were compared according to the presence of malignancy.
Results
Of 580 patients with CDI, 159 (27.4 %) belonged to the cancer group and 421 (72.6 %) to the non-cancer group. More of the patients in the cancer group than those in the non-cancer group had been hospitalized within the prior 2 months (P < 0.001). Leukocytosis was more common in the non-cancer group (P = 0.034), while infection by PCR ribotype 017 strains was more common in the cancer group, with marginal significance (P = 0.07). Recurrence was more frequent in the cancer group (20.4 % vs. 9.5 %, P =0.005) and cancer was an independent risk factor for recurrence of CDI (OR = 2.66, 95 % CI 1.34-5.29, P =0.005). Age also contributed to the recurrence of CDI (OR = 1.03, 95 % CI 1.00-1.06, P =0.026).
Conclusions
Malignancy and age are independent risk factors for recurrence of CDI. Cancer patients require careful observation for recurrence after treatment of CDI.