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Kriger O, Belausov N, Gefen-Halevi S, Smollan G, Sanalla R, Merchi Y, Levin A, Tunkel G, Feldman O, Amit S. Optimizing the Yield of In-and-Out Urinary Catheter Cultures by Applying a "Midstream-Like" Approach in Pediatric Patients. Pediatr Infect Dis J 2024; 43:e108-e110. [PMID: 38134367 DOI: 10.1097/inf.0000000000004219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2023]
Abstract
Despite appropriate disinfection, sample contamination during in-and-out urinary catheterization is not uncommon, yielding false-positive and "mixed-culture" interpretations. We implemented a "midstream-like" catheterization technique, and cultured both first- and second-voided urine fractions. Second-fraction cultures exhibited less contaminants and "mixed-culture" interpretations and were better aligned with pyuria, thereby enhancing diagnostic accuracy and minimizing the risk of clinical misdiagnosis and unwarranted antibiotic use.
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Affiliation(s)
- Or Kriger
- From the Clinical Microbiology Laboratory, Sheba Medical Center, Ramat-Gan, Israel
- Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Natasha Belausov
- From the Clinical Microbiology Laboratory, Sheba Medical Center, Ramat-Gan, Israel
| | - Shiraz Gefen-Halevi
- From the Clinical Microbiology Laboratory, Sheba Medical Center, Ramat-Gan, Israel
| | - Gillian Smollan
- From the Clinical Microbiology Laboratory, Sheba Medical Center, Ramat-Gan, Israel
| | - Roanda Sanalla
- From the Clinical Microbiology Laboratory, Sheba Medical Center, Ramat-Gan, Israel
| | - Yelena Merchi
- From the Clinical Microbiology Laboratory, Sheba Medical Center, Ramat-Gan, Israel
| | - Asher Levin
- Pediatric Emergency Department, Safra Children Hospital, Sheba Medical Center, Ramat-Gan, Israel
| | - Gil Tunkel
- Pediatric Emergency Department, Safra Children Hospital, Sheba Medical Center, Ramat-Gan, Israel
| | - Oren Feldman
- Pediatric Emergency Department, Safra Children Hospital, Sheba Medical Center, Ramat-Gan, Israel
| | - Sharon Amit
- From the Clinical Microbiology Laboratory, Sheba Medical Center, Ramat-Gan, Israel
- Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
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