“News on air!” - Air surveillance report from intensive care units of a tertiary care hospital

Barnini Banerjee, Chiranjay Mukhopadhyay, K. E. Vandana, Archana Bupendra, Muralidhar Varma

Research output: Contribution to journalArticle

Abstract

Background: The role of airborne microorganisms in the nosocomial infections is debatable since past. Very limited and inconclusive data available about the contribution of the air microflora, especially the multidrug resistant (MDR) one, to the hospital-acquired infections in the Intensive Care Units (ICUs). Objective: To analyze the microbial population and their antimicrobial susceptibility pattern of the indoor air in relation to the nosocomial infections in the different ICUs at different periods in the tertiary care hospital. Methods: Microbial monitoring of the air was performed in 5 different ICUs for 1 year by passive sampling method. Results: A total of 221 air samples were collected for 1 year from five different ICUs. 92.53% were Gram-positive bacteria and 8.11% were Gram-negative bacteria. Staphylococcus spp. (34.21%) and Acinetobacter spp. (63.04%) were the most common isolated bacteria among Gram-positive and Gram-negative organisms, respectively, and among the fungal isolates, all of them were Aspergillus spp. (5.84%) from the air sample. Ventilator-associated pneumonia was the most common nosocomial infection and Acinetobacter spp. was the frequently isolated MDR organism. Conclusion: Air could be the major source of nosocomial infections by MDR Gram-negative organisms in the ICUs which require special attention and surveillance.

Original languageEnglish
Pages (from-to)247-249
Number of pages3
JournalAsian Journal of Pharmaceutical and Clinical Research
Volume9
DOIs
Publication statusPublished - 01-12-2016

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Tertiary Healthcare
Tertiary Care Centers
Intensive Care Units
Cross Infection
Air
Acinetobacter
Gram-Positive Bacteria
Ventilator-Associated Pneumonia
Aspergillus
Gram-Negative Bacteria
Staphylococcus
Population

All Science Journal Classification (ASJC) codes

  • Pharmacology
  • Pharmaceutical Science
  • Pharmacology (medical)

Cite this

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title = "“News on air!” - Air surveillance report from intensive care units of a tertiary care hospital",
abstract = "Background: The role of airborne microorganisms in the nosocomial infections is debatable since past. Very limited and inconclusive data available about the contribution of the air microflora, especially the multidrug resistant (MDR) one, to the hospital-acquired infections in the Intensive Care Units (ICUs). Objective: To analyze the microbial population and their antimicrobial susceptibility pattern of the indoor air in relation to the nosocomial infections in the different ICUs at different periods in the tertiary care hospital. Methods: Microbial monitoring of the air was performed in 5 different ICUs for 1 year by passive sampling method. Results: A total of 221 air samples were collected for 1 year from five different ICUs. 92.53{\%} were Gram-positive bacteria and 8.11{\%} were Gram-negative bacteria. Staphylococcus spp. (34.21{\%}) and Acinetobacter spp. (63.04{\%}) were the most common isolated bacteria among Gram-positive and Gram-negative organisms, respectively, and among the fungal isolates, all of them were Aspergillus spp. (5.84{\%}) from the air sample. Ventilator-associated pneumonia was the most common nosocomial infection and Acinetobacter spp. was the frequently isolated MDR organism. Conclusion: Air could be the major source of nosocomial infections by MDR Gram-negative organisms in the ICUs which require special attention and surveillance.",
author = "Barnini Banerjee and Chiranjay Mukhopadhyay and Vandana, {K. E.} and Archana Bupendra and Muralidhar Varma",
year = "2016",
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AU - Banerjee, Barnini

AU - Mukhopadhyay, Chiranjay

AU - Vandana, K. E.

AU - Bupendra, Archana

AU - Varma, Muralidhar

PY - 2016/12/1

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AB - Background: The role of airborne microorganisms in the nosocomial infections is debatable since past. Very limited and inconclusive data available about the contribution of the air microflora, especially the multidrug resistant (MDR) one, to the hospital-acquired infections in the Intensive Care Units (ICUs). Objective: To analyze the microbial population and their antimicrobial susceptibility pattern of the indoor air in relation to the nosocomial infections in the different ICUs at different periods in the tertiary care hospital. Methods: Microbial monitoring of the air was performed in 5 different ICUs for 1 year by passive sampling method. Results: A total of 221 air samples were collected for 1 year from five different ICUs. 92.53% were Gram-positive bacteria and 8.11% were Gram-negative bacteria. Staphylococcus spp. (34.21%) and Acinetobacter spp. (63.04%) were the most common isolated bacteria among Gram-positive and Gram-negative organisms, respectively, and among the fungal isolates, all of them were Aspergillus spp. (5.84%) from the air sample. Ventilator-associated pneumonia was the most common nosocomial infection and Acinetobacter spp. was the frequently isolated MDR organism. Conclusion: Air could be the major source of nosocomial infections by MDR Gram-negative organisms in the ICUs which require special attention and surveillance.

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