Challenging infective endocarditis: A case of Pseudomonas aeruginosa with emergent antibiotic resistance
Infective endocarditis (IE) caused by gram-negative microorganisms, particularly Pseudomonas aeruginosa, is a rare but serious condition. This case report details a 76-year-old male who presented with fever and mild urinary symptoms following a recent bacteremia treated with ciprofloxacin. Initial e...
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| Language: | English |
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Elsevier
2025-01-01
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| Series: | IDCases |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214250925000861 |
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| author | Marc Pedrosa Aragón Armand Sellas Farres Sonia Calzado Isbert Mateu Espasa-Soley |
| author_facet | Marc Pedrosa Aragón Armand Sellas Farres Sonia Calzado Isbert Mateu Espasa-Soley |
| author_sort | Marc Pedrosa Aragón |
| collection | DOAJ |
| description | Infective endocarditis (IE) caused by gram-negative microorganisms, particularly Pseudomonas aeruginosa, is a rare but serious condition. This case report details a 76-year-old male who presented with fever and mild urinary symptoms following a recent bacteremia treated with ciprofloxacin. Initial evaluation revealed positive blood cultures for multi-susceptible P. aeruginosa and an abdominal abscess. Despite a favorable initial response to treatment, the patient developed a cerebral infarction due to a septic embolism. Subsequent cultures revealed resistance to piperacillin/tazobactam and ceftazidime, prompting escalation of antibiotic therapy. A transesophageal echocardiogram confirmed infective endocarditis with a vegetative mass on the aortic valve. The patient underwent surgical intervention, with positive cultures from the valve confirming the resistant strain. Following six weeks of targeted antibiotic therapy, he remained asymptomatic for over a year. This case underscores the importance of monitoring for endocarditis in patients with P. aeruginosa bacteremia and highlights the challenges posed by emerging antibiotic resistance. |
| format | Article |
| id | doaj-art-e3288946e8f34e0cae6c17a3b3828a76 |
| institution | DOAJ |
| issn | 2214-2509 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | IDCases |
| spelling | doaj-art-e3288946e8f34e0cae6c17a3b3828a762025-08-20T03:11:04ZengElsevierIDCases2214-25092025-01-0140e0223110.1016/j.idcr.2025.e02231Challenging infective endocarditis: A case of Pseudomonas aeruginosa with emergent antibiotic resistanceMarc Pedrosa Aragón0Armand Sellas Farres1Sonia Calzado Isbert2Mateu Espasa-Soley3Infectous Diseases Department. Corporació Sanitaria Parc Taulí Sabadell, Parc del Taulí, 1, Barcelona, Sabadell 08208, Spain; Corresponding author.Intensive Care Unit. Corporació Sanitaria Parc Taulí, Sabadell. Parc del Taulí, 1, Barcelona, Sabadell 08208, SpainIntensive Care Unit. Corporació Sanitaria Parc Taulí, Sabadell. Parc del Taulí, 1, Barcelona, Sabadell 08208, SpainMicrobiology Department. Hospital Clínic de Barcelona, Carrer de Villarroel 170, Barcelona 08036, SpainInfective endocarditis (IE) caused by gram-negative microorganisms, particularly Pseudomonas aeruginosa, is a rare but serious condition. This case report details a 76-year-old male who presented with fever and mild urinary symptoms following a recent bacteremia treated with ciprofloxacin. Initial evaluation revealed positive blood cultures for multi-susceptible P. aeruginosa and an abdominal abscess. Despite a favorable initial response to treatment, the patient developed a cerebral infarction due to a septic embolism. Subsequent cultures revealed resistance to piperacillin/tazobactam and ceftazidime, prompting escalation of antibiotic therapy. A transesophageal echocardiogram confirmed infective endocarditis with a vegetative mass on the aortic valve. The patient underwent surgical intervention, with positive cultures from the valve confirming the resistant strain. Following six weeks of targeted antibiotic therapy, he remained asymptomatic for over a year. This case underscores the importance of monitoring for endocarditis in patients with P. aeruginosa bacteremia and highlights the challenges posed by emerging antibiotic resistance.http://www.sciencedirect.com/science/article/pii/S2214250925000861EndocarditisBacteremiaPseudomonasAntibiotic resistance |
| spellingShingle | Marc Pedrosa Aragón Armand Sellas Farres Sonia Calzado Isbert Mateu Espasa-Soley Challenging infective endocarditis: A case of Pseudomonas aeruginosa with emergent antibiotic resistance IDCases Endocarditis Bacteremia Pseudomonas Antibiotic resistance |
| title | Challenging infective endocarditis: A case of Pseudomonas aeruginosa with emergent antibiotic resistance |
| title_full | Challenging infective endocarditis: A case of Pseudomonas aeruginosa with emergent antibiotic resistance |
| title_fullStr | Challenging infective endocarditis: A case of Pseudomonas aeruginosa with emergent antibiotic resistance |
| title_full_unstemmed | Challenging infective endocarditis: A case of Pseudomonas aeruginosa with emergent antibiotic resistance |
| title_short | Challenging infective endocarditis: A case of Pseudomonas aeruginosa with emergent antibiotic resistance |
| title_sort | challenging infective endocarditis a case of pseudomonas aeruginosa with emergent antibiotic resistance |
| topic | Endocarditis Bacteremia Pseudomonas Antibiotic resistance |
| url | http://www.sciencedirect.com/science/article/pii/S2214250925000861 |
| work_keys_str_mv | AT marcpedrosaaragon challenginginfectiveendocarditisacaseofpseudomonasaeruginosawithemergentantibioticresistance AT armandsellasfarres challenginginfectiveendocarditisacaseofpseudomonasaeruginosawithemergentantibioticresistance AT soniacalzadoisbert challenginginfectiveendocarditisacaseofpseudomonasaeruginosawithemergentantibioticresistance AT mateuespasasoley challenginginfectiveendocarditisacaseofpseudomonasaeruginosawithemergentantibioticresistance |