Volume 80, Issue 6 (September 2022)                   Tehran Univ Med J 2022, 80(6): 477-484 | Back to browse issues page

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Shetabi H, Norouzi M, Mahjubipour H, Naviafar A. Evaluation of the outcome of Covid-19 disease in patients under mechanical ventilation hospitalized in Al-Zahra Hospital, Isfahan in 2019. Tehran Univ Med J 2022; 80 (6) :477-484
URL: http://tumj.tums.ac.ir/article-1-11868-en.html
1- Department of Anesthesiology, Anesthesiology and Intensive Care Research Center, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
2- Medical Student, Student Research Committee, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
Abstract:   (351 Views)
Background: Coronavirus in 2019 was recognized as one of the leading causes of death worldwide. According to reports, the mortality rate in people who need mechanical ventilation varies from 50 to 97 percent. The aim of this study was to evaluate the outcome of Covid-19 disease based on different characteristics in patients and mechanically ventilated variables.
Methods: This descriptive-analytical study was conducted on 160 patients with a definite diagnosis of Covid-19 who were under mechanical ventilation and admitted to the intensive care unit of Alzahra Hospital in Isfahan from March 2020 to March 2021. Data was collected by checklist. The checklist included demographic information, including age, gender, as well as information such as underlying diseases, disease outcome, length of hospitalization, etc. After collecting the data, they were analyzed in SPSS software version 22 and at a significance level of less than 0.05.
Results: In this study, the overall mortality rate among mechanically ventilated patients was 62.5%. The mean age of patients was 69.99±17.87 years and the mean duration of hospitalization in surviving patients was 15.47±11.73 days and for deceased ones was 55.21±69.14 days. The mean age of the deceased group (65.71±16.59) was significantly higher than the surviving group 53±21.17 was (P=0.0001). The length of hospital stay in the deceased group was significantly longer than the surviving group (P=0.005). As a result, ventilator mode and inotropic agent intake during treatment increased the chance of mortality in patients under mechanical ventilation (P=0.001). There was a significant relationship between underlying diseases of hypertension, kidney disease and autoimmune disease with mortality in patients (P<0.05).
Conclusion: Various factors including the length of stay in the hospital, comorbidities such as hypertension, renal disease and autoimmunity may affect the outcome of critically ill ICU patients under mechanical ventilation. Patients who require long-term invasive ventilation and the use of inotropic drugs to maintain their cardiovascular status while hospitalized in the ICU are at higher risk for mortality.
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