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. 2019 Aug;40(8):781-788.
doi: 10.15537/smj.2019.8.24447.

Survival of mechanically ventilated patients admitted to intensive care units. Results from a tertiary care center between 2016-2018

Taha Ismaeil  1 , Jawaher Almutairi, Rema Alshaikh, Zahrah Althobaiti, Yassin Ismaeil, Fatmah Othman
Affiliations

Survival of mechanically ventilated patients admitted to intensive care units. Results from a tertiary care center between 2016-2018

Taha Ismaeil et al. Saudi Med J. 2019 Aug.

Abstract

To estimate the survival of adult and pediatric patients receiving mechanical ventilation and determine the associated risk factors. Methods: A retrospective cohort study was carried out in the intensive care unit (ICU) at King Abdulaziz Medical City (KAMC) and King Abdullah Children's Specialist Hospital (KACSH), Riyadh, Saudi Arabia. The analysis includes data from medical records of all patients admitted to ICUs who received mechanical ventilation between 2016-2018. For each patient, potential risk factors were collected. The main outcome of this study was the mortality during the stay in ICU after receiving mechanical ventilation. Results: A total of 262 adults and 175 pediatric patients were admitted to ICUs and received mechanical ventilation during the study period. For adult patients, the overall mortality was 37%, with a median survival time of 11 days (interquartile range [IQR] 6-20 days). The main risk factors independently associated with the increased mortality rate were being aged 51-60 (odds ratio [OR] 2.6, 95% confidence interval [CI] 6.7-1.0) and factors related to ICU admission. For the pediatric population, the mortality rate was 17%, with a median survival time of 16 days (IQR 7-37 days). Prematurity with respiratory problems was the main recorded cause of initiation of mechanical ventilation (50% of patients). Neonates who had mechanical ventilation within one month of their birth and were born extremely preterm had a high mortality rate after the initiation of mechanical ventilation. Conclusion: Both patient age and the causes of the initiation of mechanical ventilation were influencing the survival of patients who required mechanical ventilation.

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Figures

Figure 1
Figure 1
Kaplan-Meier curves of the probability of survival over time for all mechanical ventilated patients (adult and pediatric) admitted to the intensive care unit.
Figure 2
Figure 2
Kaplan-Meier curves of the probability of survival over time for adult mechanical ventilated patients (N=262) admitted to the intensive care unit between 2016-2018.
Figure 3
Figure 3
Kaplan-Meier curves of the probability of survival overtime for pediatric mechanical ventilated patients (N=175) admitted to the intensive care unit between 2016-2108.
See this image and copyright information in PMC

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