Article: article from journal or magazin.
Case report (case report): feedback on an observation with a short commentary.
Mycoplasma hominis mediastinitis after acute aortic dissection repair.
Interactive Cardiovascular and Thoracic Surgery
We report a case of ascending aortic graft infection by an atypical bacteria, Mycoplasma hominis, with mediastinitis, a dreaded complication after cardiac surgery. A 55-year-old patient underwent ascending aorta replacement for acute type A dissection. He developed sternal instability and purulent discharge, requiring sternal wire removal and debridement. Cultures were initially sterile, but showed M. hominis infection after a significant delay and in specific culture media. The patient was treated with doxycycline and moxifloxacine. Cultures became negative and the sternum was closed on the 28th postoperative day after the first debridement. Recovery was favorable, with no signs of infection. Antibiotics were continued for one year. The patient is still asymptomatic 16 months after antibiotic interruption. Atypical organisms should be considered in the differential diagnosis of acute mediastinitis of unknown etiology after routine microbiological investigations.
Aneurysm, Dissecting/surgery, Anti-Infective Agents/therapeutic use, Aortic Aneurysm/surgery, Blood Vessel Prosthesis/adverse effects, Blood Vessel Prosthesis Implantation/adverse effects, Blood Vessel Prosthesis Implantation/instrumentation, Combined Modality Therapy, Debridement, Humans, Male, Mediastinitis/microbiology, Mediastinitis/therapy, Middle Aged, Mycoplasma Infections/microbiology, Mycoplasma Infections/therapy, Mycoplasma hominis/isolation & purification, Negative-Pressure Wound Therapy, Prosthesis-Related Infections/microbiology, Prosthesis-Related Infections/therapy, Reoperation, Time Factors, Treatment Outcome
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