Epidemiology and Clinical Features of Burkholderia Bacteremia at a Hospital in India

Mitra Kar Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India

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Nidhi Tejan Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India

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Ashima Jamwal Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India

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Akanksha Dubey Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India

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Romya Singh Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India

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Chinmoy Sahu Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India

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Sangram Singh Patel Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India

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Pooja Kumari Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India

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Malay Ghar Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India

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ABSTRACT.

Burkholderia spp. are opportunistic pathogens that cause infection in patients with disrupted immunity. The study intended to demonstrate the epidemiology and clinical features associated with Burkholderia spp. bacteremia. This retrospective study was performed to assess the clinical and laboratory characteristics of patients whose blood cultures were growing Burkholderia spp. and, based on their underlying comorbidities, were subjected to survival analysis from January 2022 to December 2022 at a university hospital in northern India. Three hundred patients with Burkholderia spp. bacteremia were included in this study conducted over 1 year. The mean age of the patients was 33.86 years with a male predominance of 56.67% (170/300, 56.67%). Underlying malignancies (207/300, 69.0%) were the most common clinical diagnosis, and catheter in situ (300/300, 100.0%) was the most common risk factor. Burkholderia cenocepacia (244/300, 81.33%) was the most common Burkholderia spp. isolated. All isolates were highly susceptible to minocycline. Kidney disease (P = 0.029), hypertension (P = 0.005), type 2 diabetes mellitus (P = 0.039), and respiratory disease (P <0.001) in patients were significantly associated with death owing to Burkholderia spp. bacteremia, whereas patients with malignancies (P <0.001) and undergoing treatment were significantly associated with a better outcome when the microorganism was susceptible to empirical antibiotics. The presence of indwelling devices, mechanical ventilation (P <0.001), and a hemodialysis catheter (P = 0.026) were statistically significant risk factors associated with poor outcomes.

Author Notes

Disclosures: All authors read and approved the final version of the manuscript. Ethical approval was received from the Institute Ethics Committee (2021-52-EMP-EXP Dated 13/04/21). All individuals provided consent to participate in the study. No supporting data in publicly available repositories (where available and appropriate) were added to the main work.

Current contact information: Mitra Kar, Nidhi Tejan, Ashima Jamwal, Akanksha Dubey, Romya Singh, Chinmoy Sahu, Sangram Singh Patel, Pooja Kumari, and Malay Ghar, Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India, E-mails: mitrakar25@gmail.com, drnidhitejan@gmail.com, ashi.jamwal@gmail.com, akanksha.dubey232@gmail.com, singh.romya3010@gmail.com, sahu.chinmoy@gmail.com, sangramsgpgi@gmail.com, poojaavni395@gmail.com, and malayghar@gmail.com.

Address correspondence to Nidhi Tejan or Chinmoy Sahu, Department of Microbiology C Block, 2nd Floor, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh 226014, India. E-mails: drnidhitejan@gmail.com or sahu.chinmoy@gmail.com
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