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Clinical Trial Summary

Ventilator-associated pneumonia (VAP) is an infection of the pulmonary parenchyma in patients exposed to invasive mechanical ventilation for at least 48 h and is part of ICU-acquired pneumonia. VAP is one of the most frequent ICU-acquired infections. Reported incidences vary widely from 5 to 40%, depending on the setting and diagnostic criteria. The estimated attributable mortality of VAP is around 10%. Investigators will focus this study on the current understanding of the epidemiology and treatment of VAP caused by multi-drug resistant (MDR) organisms. The MDR organisms are significant threats to the prognosis of the ICU patient. They are challenging to treat because of a limited number of newer antibiotics available for treatment. Understanding their distribution and sensitivity pattern may provide clues on how to deal with this significant problem. The current study examines the distribution of MDR organisms in VAP and its incidence and outcome. Investigators will also study the sensitivity pattern of these MDR organisms and how it affects the patient outcome. All patients admitted to adult ICU will be scanned, positive respiratory cultures will be noted, and those with VAP will be studied in detail. Patient data will be collected using the hospital information system.


Clinical Trial Description

Introduction Ventilator-associated pneumonia (VAP) is defined as an infection of the pulmonary parenchyma in patients exposed to invasive mechanical ventilation for at least 48 h and is part of ICU-acquired pneumonia. VAP is one of the most frequent ICU-acquired infections. Reported incidences vary widely from 5 to 40%, depending on the setting and diagnostic criteria. VAP is associated with prolonged duration of mechanical ventilation and ICU stay. The estimated attributable mortality of VAP is around 10%. Investigators will focus this study on the current understanding of the epidemiology and treatment of VAP caused by multi-drug resistant (MDR). Other conditions such as ventilator-associated tracheobronchitis are not detailed. The MDR organisms are significant threats to the prognosis of the ICU patient. These organisms are usually acquired in hospitals due to multiple factors like antibiotic use, immunosuppression, prolonged stay in the hospital, etc. They are challenging to treat because of a limited number of newer antibiotics available for treatment. Understanding their distribution and sensitivity pattern may provide clues on how to deal with this significant problem. Aim of the Study : The current study examines the distribution of MDR organisms in VAP and its incidence and outcome. The primary outcome is to find the distribution of MDR bacteria in VAP-positive patients The secondary outcomes 1. is to find the incidence of VAP in ICU patients. 2. to find outcomes for VAP patients. 3. to study the antibiotic sensitivity for VAP-causing organisms. Investigators hope to formulate improvement strategies to minimize the incidence of MDR VAP, enhance ICU care, and reduce the incidence of VAP in ICU. Methodology Study Population: General Adult (>13 years) ICU patients on ventilators at SQUH Study Design and Methods: Design: This is a single center retrospective cohort study. Sample size: All ICU patients on ventilators fulfilling inclusion criteria during the study period starting from 1/04/2021 to 31/03/2022 Study Method: After obtaining ethical approval, all the patients admitted to ICU during the study period will be scanned for eligibility criteria. Patients with VAP will be studied using electronic patient records (EPR). Demographic Data: Age and gender of the patients will be recorded. Diagnosis Data: Positive respiratory culture for MDR, Treatment Data: Empirical antibiotics and treatment of VAP Microbiology data: sensitivity and culture reports Other data: VAP days, ventilator days, and outcome: extubation, tracheostomy, survival, death. Justification of the current study: In this study, Investigators intend to determine the incidence of VAP due to MDR organism and associated outcomes. This will help in understanding VAP due to MDR organisms. Data Management and Analyses: Statistical analysis: Database for the study sample shall be created in SPSS-23. Categorized variables shall be displayed as percentages using frequency tables and pie charts or bar charts, and continuous variables shall be shown as Mean ± SD and error bar charts. To test the significance of association between categorized variables, Chi-square or Fisher's exact test, as appropriate, shall be used. To test the significance of the difference between the means of two groups, an independent sample t-test will be applied if the distribution pattern of the variable under study is normal, and in case of non-normal behavior of the data; the Mann-Whitney test shall be applied. Similarly, for comparing means of 3 or more groups, ANOVA or Kruskal-Wallis test shall be used depending on the distribution pattern of the study variable. A P-value of .05 or less shall be taken as significant. The analysis results will be used in a suitable form for publication. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05549427
Study type Observational
Source Sultan Qaboos University
Contact
Status Completed
Phase
Start date June 9, 2022
Completion date August 17, 2022

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