Bloodstream infection caused by coinfection of and : a case report and literature review.

This CARE-guided report details a rare case of bloodstream infection caused by coinfection of and in a 69-year-old male with diabetic foot. and are an opportunistic pathogen that rarely causes human infection, while bloodstream infection is more rarely. They are tend to occur in immunocompromised individuals and are highly susceptible to mixed infections with other opportunistic pathogens. can cause invasive infections, including bloodstream infection, abscess, endocarditis and other infectious diseases. We reported a 69-year-old male with type 2 diabetes mellitus complicated by a chronic, neuropathic, right-first-toe ulcer (Wagner grade 4 with underlying osteomyelitis), presented with chills, fever, and foot pain. Cultures of blood and purulent secretions from the foot revealed a mixed infection that was predominantly caused by and . After 9 days of treatment with antibiotics, the patient exhibited a satisfactory recovery and he was discharged from the hospital. Clinicians should pay attention to disseminated infections caused by and . Timely microbiological examinations and accurate identification methods are conducive to early diagnosis. The prognosis is relatively favorable with appropriate antibiotics, lesion removal, and other therapeutic measures.