<i>Rahnella aquatilis</i>Sepsis in a Premature Newborn

Kuzdan, Canan; Soysal, Ahmet; Özdemir, Hülya; Coşkun, Şenay; Akman, İpek; Bilgen, Hülya; Özek, Eren; Bakır, Mustafa

doi:10.1155/2015/860671

Cited by 9 publications

(5 citation statements)

References 16 publications

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“…In a recent study from Gaza, CSF PCR analysis was performed in 20 of 129 patients with meningitis and EV was positive in 7 (35%) patients 12 . In a study our country from 37 centers 1184 CSF samples were analyzed in patients aged 1–126 months (median 52 months) and 13 (1%) of them were positive EV PCR 13 . In another study from our country in which 200 CSF samples were evaluated by PCR, EV was detected in 13 (6.5%) patients.…”

Section: Discussionmentioning

confidence: 99%

Enteroviral meningitis in children: Clinical and laboratory features with and without pleocytosis

Şen,

Ozdem,

Yalcinkaya

et al. 2024

Klin Padiatr

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Background Enteroviruses (EV) are most common causes of the etiologically known aseptic meningitis in children. EV can be detected with polymerase chain reaction (PCR) in cerebrospinal fluid (CSF) samples. We aimed to evaluate the clinical and laboratory characteristics of children diagnosed with PCR-confirmed EV meningitis in CSF samples. Patients Patients aged 1 month to 17 years who underwent lumbar puncture (LP) with suspected meningitis and had CSF viral PCR and culture results between September 2012 and January 2021 at a tertiary care hospital in Turkey were included. Methods Patients with no virus detected in CSF samples by PCR was comprised PCR-negative group. The EV PCR-positive patients were divided into two groups based on CSF pleocytosis as enteroviral meningitis (EVM) with CSF pleocytosis and EVM without CSF pleocytosis, and compared in terms of clinical and laboratory features. Results 78 (38.2%) were EV PCR-positive, and 126 (61.8%) were PCR-negative. Pleocytosis was detected in 55 (70.5%) EV PCR-positive patients and 94 (74.6%) of PCR-negative patients. Convulsion was significantly frequent (p=0.017) in EV PCR-positive patients with no pleocytosis. Protein and lactate concentrations in CSF were significantly higher in EV PCR-positive patients with pleocytosis (p=0.048, p=0.001, respectively). Median hospital stay was significantly longer in PCR-negative group (p<0.001). Conclusion Diagnosing EVM with PCR prevents long-term hospitalization, unnecessary antibiotic use and healthcare-related complications.

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Section: Discussionmentioning

confidence: 99%

Enteroviral meningitis in children: Clinical and laboratory features with and without pleocytosis

Şen,

Ozdem,

Yalcinkaya

et al. 2024

Klin Padiatr

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“…The first clinical isolate of R. aquatilis was reported to the Center for Disease Control and Prevention in 1985 [4]. Most cases of R. aquatilis infection have been reported in compromised hosts or young children [5, 6]. A case of iatrogenic inoculation by contaminated intravenous fluid also been reported in a healthy adult [7].…”

Section: Discussionmentioning

confidence: 99%

“…Except for a few, most of these cases —including the present case— involve patients with diabetes mellitus, alcoholism, acquired immune deficiency syndrome, or cancer, which indicates that this organism might cause opportunistic infections. R. aquatilis has been isolated from blood, wound, urine, respiratory tract, and stool samples [5]. Although the origin of the R. aquatilis strain isolated from our patient is unclear, catheter related blood stream infection (CRBSI) was suspected clinically because fever and chill were developed in a patient with central venous catheter without any localizing sign [8].…”

Section: Discussionmentioning

confidence: 99%

Bacteremia due toRahnella aquatilisin a Patient with a Chemoport

Lee¹,

Song²,

Park³

et al. 2019

Infect Chemother

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Rahnella aquatilis , a saprophytic organism, is a member of the Enterobacteriaceae family. The natural habitat of this organism is fresh water, and it is rarely found in clinical specimens. Clinical conditions ascribed to this organism include bacteremia, respiratory infection, urinary tract infection, wound infection in an immunocompromised host, and infective endocarditis in patients with congenital heart diseases. Here, we report a case of bacteremia due to R. aquatilis in a woman with breast cancer who had received chemotherapy through a chemoport. To our knowledge, this is the second case of bacteremia caused by this organism in a patient with cancer in Korea.

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“…Several species including Pseudomonas migulae (less than 4.21% of the population) were detected in kefir for the first time. Some of these minor species are considered opportunistic pathogens that affect Corynebacterium species [23][24][25][26][27][28][29][30]. The definite safety of kefir, however, has been established in the long history of this beverage.…”

Section: Bacterial Microbiota In Different Sugary Kefir Grainsmentioning

confidence: 99%

Changes in Microbiota During Multiple Fermentation of Kefir in Different Sugar Solutions Revealed by High-Throughput Sequencing

et al. 2021

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Kefir is a fermented beverage produced through the activity of its grains, which is constituted by lactic acid and acetic acid bacteria and yeasts. We studied the bacterial succession during multiple fermentation of Argentinian kefir in brown sugar, purified molasses or high-test molasses, using 16S high-throughput sequencing. Firmicutes was dominant (up to 98% of total population) in grains and beverages made from various sugar substrates, except in high-test molasses beverage, which was dominated by Proteobacteria (up to 78% of total population). Major bacterial species in Firmicutes were Liquorilactobacillus nagelii, Lentilactobacillus hilgardii/diolivorans and Lacticaseibacillus casei/paracasei, which are active in lactic acid fermentation. Proteobacteria comprised Acetobacter lovaniensis and Gluconobacter oxydans/roseus as major species, which are presumably responsible for the acetic acid formation in sugary kefir beverages. Bacteria differ in abundance depending on the sugar type, as revealed by the competitive dominances between L. nagelii and A. loveniensis. Purified molasses led to scarce acetic acid bacteria during fermentation, indicating that it is not a suitable substrate for their growth. Our results suggest that acetic acid (and/or ethanol) in sugary kefir modulates the succession and dominance of specific lactic acid bacteria. This study will provide valuable information for designing more sophisticated non-dairy fermented beverages with stable microbial properties.

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Rahnella aquatilisSepsis in a Premature Newborn

Cited by 9 publications

References 16 publications

Enteroviral meningitis in children: Clinical and laboratory features with and without pleocytosis

Enteroviral meningitis in children: Clinical and laboratory features with and without pleocytosis

Bacteremia due toRahnella aquatilisin a Patient with a Chemoport

Changes in Microbiota During Multiple Fermentation of Kefir in Different Sugar Solutions Revealed by High-Throughput Sequencing

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