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  Table of Contents  
LETTER TO EDITOR
Year : 2021  |  Volume : 31  |  Issue : 5  |  Page : 500-501
 

Bacteraemia by Achromobacter denitrificans in Hemodialysis


1 Department of Nephrology, Hospital General Regional Hospital No. 1, Instituto Mexicano del Seguro Social, Morelia, Michoacán, Mexico City, Mexico
2 Department of Genetics and Molecular Biology, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV), Mexico City, Mexico

Date of Submission29-Jun-2020
Date of Acceptance13-Oct-2020
Date of Web Publication27-Jan-2021

Correspondence Address:
Dr. Venice Chavez-Valencia
Department of Nephrology, Hospital General Regional No. 1, Instituto Mexicano del Seguro Social, Av. Bosques de los Olivos No. 101. La Goleta, 61301, Morelia, Michoacán
Mexico
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijn.IJN_317_20

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How to cite this article:
Chavez-Valencia V, Aguilar-Bixano O, Orizaga-de-la-Cruz C, Lagunas-Rangel FA. Bacteraemia by Achromobacter denitrificans in Hemodialysis. Indian J Nephrol 2021;31:500-1

How to cite this URL:
Chavez-Valencia V, Aguilar-Bixano O, Orizaga-de-la-Cruz C, Lagunas-Rangel FA. Bacteraemia by Achromobacter denitrificans in Hemodialysis. Indian J Nephrol [serial online] 2021 [cited 2021 Nov 27];31:500-1. Available from: https://www.indianjnephrol.org/text.asp?2021/31/5/500/308010




Sir,

Achromobacter denitrificans is a ubiquitous gram-negative bacterium.[1] Metabolically, it is a strictly aerobic, non-fermenting, mobile, catalase-positive and oxidase-positive bacterium.[2] A. denitrificans inhabit soils and aquatic environments, including well water, intravenous fluids and water in humidifiers, occasionally being part of the normal flora of some parts of the body and rarely a causal agent of human infections.[1],[2] Here, we present the first case of central venous catheter-related bacteraemia on hemodialysis due to A. denitrificans.

A 29-year-old male, hypertensive and with chronic kidney disease of 11 years of duration. After a hemodialysis (HD) session with a single central venous catheter, he developed fever for 3 weeks followed by HD catheter-associated bacteraemia. On physical examination, the presence of a systolic mitral murmur g II/VI stands out. His laboratory results were: Haemoglobin 12 g/dL, blood urea 124 mg/dL, serum creatinine 17.2 mg/dL, leukocytosis (10,200 cells/μL) with neutrophilia (74%), glucose 87 mg/dL, viral panel was non-reactive for Human Immunodeficiency Virus, Hepatitis B and C; liver function tests and serum electrolytes were normal. Central and peripheral blood culture reported Achromobacter denitrificans isolation through the BioMérieux VITEK-2® system; the sensitivity profile based on the minimum inhibitory concentration was: Cefuroxime 8 g/mL, cefotaxime <1 g/mL, ceftazidime <1 g/mL, ceftriaxone <1 g/mL, cefepime <1 g/mL, meropenem 0.0.25 g/mL, amikacin <2 g/mL, gentamicin <1 g/mL, ciprofloxacin 0.0.25 g/mL, norfloxacin-0.5 g/mL and trimethoprim with sulfamethoxazole <20 g/mL; resistant to cephalotin and phosphomycin.

The transthoracic echocardiogram reported a vegetation of 5 × 2 mm in the tricuspid valve and the catheter tip in the right atrium presented a second vegetation of 7 × 5 mm, but the transoesophageal echocardiogram did not show any evidence of vegetations or thrombi. Left ventricular ejection fraction was 70%, left ventricular diastolic dysfunction, moderate mitral insufficiency and slight tricuspid were reported. Our patient did not have the classic risk factors for catheter-related bacteremia, that is, he was not diabetic or geriatric and his albumin was normal, so the main risk factor for infection in this case was the presence of a central venous catheter for HD.

Previous reports have identified A. denitrificans in peritonitis[3] or in peritoneal dialysis catheter exit site infection,[4] but there are no reports linking it to catheter infection. We consider that the catheter was contaminated by the antiseptic used and/or some mishandling by the staff, since being an isolated case, with no outbreak in the unit, contamination of the dialysis fluid and multi-dose bottle heparin would be ruled out as sources. The HD catheter-associated bacteremia in our patient was successfully resolved using a fluoroquinolone-based antibiotic regimen for 14 days, with good clinical response and no catheter removal. In addition, there was no recurrence of symptoms after 4 sessions of HD.

To our knowledge, this is the only report describing A. denitrificans HD catheter-associated bacteraemia. A. denitrificans infections are rare, but increasingly frequent in dialysis patients, emerging as an opportunistic germ, so preventive measures should be reinforced.

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Reis AC, Kroll K, Gomila M, Kolvenbach BA, Corvini PFX, Nunes OC. Complete genome sequence of achromobacter denitrificans PR1. Genome Announc 2017;5:e00762-17.  Back to cited text no. 1
    
2.
Aundhakar S, Mane M, Bharadiya A, Pawar S. Watch out! Pneumonia secondary to achromobacter denitrificans. Ann Med Health Sci Res 2014;4(Suppl 1):S22-4.  Back to cited text no. 2
    
3.
Cankaya E, Keles M, Gulcan E, Uyanik A, Uyanik H. A rare cause of peritoneal dialysis-related peritonitis: Achromobacter denitrificans. Perit Dial Int 2014;34:135-7.  Back to cited text no. 3
    
4.
Tsai MT, Yang WC, Lin CC. Continuous ambulatory peritoneal dialysis-related exit-site infections caused by Achromobacter denitrificans and A. xylosoxidans. Perit Dial Int 2012;32:362-3.  Back to cited text no. 4
    




 

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Indian Journal of Nephrology
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Online since 20th Sept '07