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JOURNAL ARTICLE
Ceftolozane-tazobactam for the treatment of multidrug-resistant Pseudomonas aeruginosa pneumonia in a patient receiving intermittent hemodialysis.
PURPOSE: The safety and effectiveness of ceftolozane-tazobactam for the treatment of multidrug-resistant (MDR) Pseudomonas aeruginosa pneumonia in a patient receiving intermittent hemodialysis are reported.
CASE REPORT: A 79-year-old African-American man arrived at an emergency trauma center from a nursing home via ambulance with shortness of breath and potential nasogastric tube misplacement. His medical history included end-stage renal disease (ESRD) for which he was receiving intermittent hemodialysis 3 times per week, hypertension, sacral ulcer, coronary artery bypass graft surgery, and P. aeruginosa colonization of his airway. His white blood cell count was elevated, and a chest radiograph revealed atelectasis or infiltrates. As a result, aspiration pneumonia was suggested, and empirical vancomycin and piperacillin-tazobactam were initiated. A few days later, his sputum culture grew MDR P. aeruginosa . Empirical antibiotics were then discontinued, and targeted therapy with ceftolozane-tazobactam i.v. was initiated. A loading dose of ceftolozane-tazobactam 1.5 g i.v. was administered, followed by a maintenance dosage of 300 mg every 8 hours. Following the fifth dose, random ceftolozane-tazobactam plasma concentrations were measured and noncompartmental pharmacokinetics were calculated. After completing a 13-day course of ceftolozane-tazobactam, the patient was discharged from the hospital in stable condition and did not experience any adverse events with ceftolozane-tazobactam.
CONCLUSION: In a patient with ESRD receiving intermittent hemodialysis, a ceftolozane-tazobactam loading dose of 1.5 g i.v. followed by a maintenance dosage of 300 mg every 8 hours appeared to be safe and effective in the treatment of nosocomial pneumonia caused by MDR P. aeruginosa .
CASE REPORT: A 79-year-old African-American man arrived at an emergency trauma center from a nursing home via ambulance with shortness of breath and potential nasogastric tube misplacement. His medical history included end-stage renal disease (ESRD) for which he was receiving intermittent hemodialysis 3 times per week, hypertension, sacral ulcer, coronary artery bypass graft surgery, and P. aeruginosa colonization of his airway. His white blood cell count was elevated, and a chest radiograph revealed atelectasis or infiltrates. As a result, aspiration pneumonia was suggested, and empirical vancomycin and piperacillin-tazobactam were initiated. A few days later, his sputum culture grew MDR P. aeruginosa . Empirical antibiotics were then discontinued, and targeted therapy with ceftolozane-tazobactam i.v. was initiated. A loading dose of ceftolozane-tazobactam 1.5 g i.v. was administered, followed by a maintenance dosage of 300 mg every 8 hours. Following the fifth dose, random ceftolozane-tazobactam plasma concentrations were measured and noncompartmental pharmacokinetics were calculated. After completing a 13-day course of ceftolozane-tazobactam, the patient was discharged from the hospital in stable condition and did not experience any adverse events with ceftolozane-tazobactam.
CONCLUSION: In a patient with ESRD receiving intermittent hemodialysis, a ceftolozane-tazobactam loading dose of 1.5 g i.v. followed by a maintenance dosage of 300 mg every 8 hours appeared to be safe and effective in the treatment of nosocomial pneumonia caused by MDR P. aeruginosa .
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