Abstract
Metastatic infections can complicate catheter-related blood stream infections (CRBSI) in dialysis dependent patients. However, an infected/septic aneurysm involving the aorta or its branches as a direct complication of CRBSI without an underlying infective endocarditis is not reported so far in the literature. We report a 43-year female, who presented with CRBSI 2 weeks following a tunneled dialysis catheter (TDC) insertion. Due to the lack of defervescence after 72 h of antibiotics given as per the culture sensitivity reports, the TDC was removed. Blood cultures grew Pseudomonas aeruginosa. After a catheter free interval of 4 days, a TDC was reinserted, an antibiotic course was completed, and she was discharged in stable condition. Five days later, she presented with acute abdominal pain and fever. A tender, firm, and pulsatile mass was noted in the hypogastrium with a bruit. Contrast-enhanced CT revealed a pseudoaneurysm of the aorta, and left common iliac artery at the site of origin. She was started on IV antibiotics and planned for an endovascular prosthesis but had a sudden collapse during her hospital stay due to a ruptured aneurysm. CRBSI due to certain pathogens such as Pseudomonas might require prolonged and dual antibiotic therapy to prevent fulminant complications.
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