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Year : 2018 | Volume : 6 | Issue : 3 | Page : 96 - 103  


Original Articles
Ventilator associated pneumonias and its antibiogram

Swati Prakasam1, M. Shailaja Rani2*

1Consultant Microbiologist, Yashoda Hospital, Hyderabad

2Assistant Professor, Malla Reddy Medical College for Women, Suraram, Hyderabad

*Corresponding Author                                                                                                                                   Received: 12-09-2016

Dr. M. Shailaja Rani                                                                                                                                           Accepted: 10-11-2017

Email: drshailumicro@gmail.com

                                                                                               

Abstract:

 

Background: Various studies show Pseudomonas species, Acinetobacter species, Escherichia coli, Klebsiella pneumoniae, Staphylococcus aureus   were   identified   as common VAP pathogens with varying prevalence. Due  to increasing   incidence  of  MDR in  ICU,  early  and correct  diagnosis  of  VAP  is  a challenge  for  an  optimal  antibiotic treatment.

Objective: To  know  the  Bacteriological  Profile  of  Ventilator associated pneumonias, their  prevalence  and also  their  susceptibility pattern

Methods: The   study   was   conducted   in Intensive Care units in Osmania General Hospital Hyderabad among 300  patients  both  male  and  female  age  group  ranging   from  15- 60  years  admitted  in ICUs. Specimen collection was done by anesthetists, ETA  was  collected  using  8 F suction catheter which  was  guided  through  the  lumen   of   Endotracheal tube  for  approximately  24  cm. Gentle  aspiration  was  then  performed  without  instilling  saline  and  catheter  was  withdrawn  from  endotracheal tube. After  catheter  was  withdrawn  approximately  2.5 – 5 ml  of  saline  was  injected  into  it  with  a  sterile  syringe  to  flush  the  exudate  into  a sterile  container.

Results: The total no. of patients on mechanical ventilation included in the study during one year period was 300.  Out of these 138 patients developed Ventilator Associated Pneumonia (VAP). The most common isolated pathogen was Klebsiella pneumoniae in (40.63%) cases followed by Pseudomonas aeruginosa (15.63%), Acinetobacter species (12.50%) and Staphylococcus aureus (9.38%). Klebsiella pneumoniae was the commonest pathogen isolated in both early onset and late onset. 

Conclusion: The most common isolated pathogen was Klebsiella pneumoniae in (40.63%) cases followed by Pseudomonas aeruginosa (15.63%), Acinetobacter species (12.50%) and Staphylococcus aureus (9.38%).

Key words: Ventilator, pneumonia, antibiogram





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