Clostridium difficile (CD) is known to be pathogenic when the balance of intestinal microbiota is disrupted by the administration of broad-spectrum antimicrobial agents. Therefore, CD enteritis is often suspected in cases of hospital-onset diarrhea. There has been a rise in the incidence of community-acquired CD enteritis in recent years in the United States. In this report, we present a case of a 57 year-old-man who was admitted to the emergency department with abdominal distension and dyspnea. The patient suffered from acute renal failure and metabolic acidosis from enteritis. He required mechanical ventilation and continuous renal replacement therapy (CRRT) in the ICU. Analysis of the patient's stool sample on admission revealed the presence of CD antigens, and the prompt administration of metronidazole led to swift improvement. No studies have investigated the actual incidence of community-acquired CD enteritis infection in Japan. Since 20% of community-acquired CD enteritis cases have been reported as severe, all cases of community-acquired enteritis should raise concerns for CD enteritis. CD antigen/toxin in the stool should then be determined promptly before administering antibiotics.
Keywords: clostridium difficile infection; clostridium difficile infection severity index; community-acquired enteritis; ribotype; septic shock.
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