Mitral endocarditis caused by Achromobacter xylosoxidans in an older patient: Case report and literature review

Mitral endocarditis caused by Achromobacter xylosoxidans in an older patient: Case report and literature review

Blog Article

We report a rare case of recurrent Achromobacter xylosoxidans bacteremia in an older woman in 2014 and 2020.During Groceries the more recent bacteremia, a diagnosis of mitral endocarditis was made.The patient could not have surgery because of severe comorbidities and a high operative risk.Combined antibiotic therapy was given with piperacillin/tazobactam and trimethoprim/sulfamethoxazole (TMP/SMX).

Antibiotic therapy was administered for six weeks with a good response, but the patient relapsed after six days with A.xylosoxidans bacteremia and cardiac decompensation.Antibiotic therapy was resumed, using meropenem and TMP/SMX, but the patient died one month after the recurrence.We review the 22 cases of A.

xylosoxidans endocarditis that have been Garden described in the literature.