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Septic shock caused by Rhizobium radiobacter in an elderly woman: A case report
Dong-Lian Wang1, Li-Dong Zhao, Li-Juan Li
1Department of Emergency Medicine, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Rationale:
Rhizobium radiobacter is a Gram-negative pathogen present in soil and plants. Cases of R radiobacter infection in immunocompromised hosts have been sporadically reported. However, septic shock caused by R radiobacter is rarely seen.
Patient Concerns:
Here, we describe an elderly patient with a rapid progression of watery diarrhea, anorexia, fever, weakness, oliguria, and shock. Blood results showed increased total white blood cell count and C-reactive protein. Arterial blood gas results showed hypoxia and elevated lactate level. The Sequential Organ Failure Assessment score was 11. Blood culture at admission showed Gram-negative bacteria, which were later confirmed as R radiobacter.
Diagnosis:
Septic shock caused by R Radiobacter.
Interventions:
The patient was treated with intravenous cefoperazone/sulbactam and sequential oral levofloxacin.
Outcomes:
The patient recovered completely.
Conclusion:
R radiobacter may be considered as a potential opportunistic pathogen that may cause severe sepsis in elderly patients, especially those with multiple underlying diseases.
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