Volume 80, Issue 3 (June 2022)                   Tehran Univ Med J 2022, 80(3): 180-187 | Back to browse issues page

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Behnaz F, Chegini A, Asgari S. Evaluation of the relationship between blood group and intubation and mortality rate in COVID 19patients.. Tehran Univ Med J 2022; 80 (3) :180-187
URL: http://tumj.tums.ac.ir/article-1-11719-en.html
1- Department of Anesthesiology, Shohada Tajrish Hospital, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran.
Abstract:   (711 Views)
Background: Coronavirus (COVID-19) represents a global public health crisis that is causing significant deaths and affecting health systems around the world. There are several risk factors for the severity of infection, complications and mortality of COVID-19. One of them is blood group. The aim of this study was to investigate the relationship between blood group and rate of covid 19 disease.
Methods: A cross sectional study was performed on 130 patients over 18 years of age admitted in ICU of Shohada Tajrish Hospital between August 2020 and April 2021.The positive COVID-19 diagnosis was confirmed by polymerase chain reaction (PCR) test. Blood groups were determined and then, we monitored and followed up the patients' outcome during staying in ICU, the need for intubation, recovery and death. Data were collected using a questionnaire and analyzed by Pearson correlation coefficient and stepwise multiple regression analysis. Results were determined based on Fisher’s exact test. P<0.05 was considered significant.
Results: 60 (46.1%) patients had blood type A, (20%) 26 patients blood type AB, 12 (9.2%) patients’ blood type B and (24.7%) 32 patients blood type O. Blood group A was significantly higher in these patients. 55 patients (42.3%) were female and 75 patients (57.7%) were male. Their mean age was 43.19±19.05. Totally, 43.1% of hospitalized patients were intubated regardless of blood type. The number of cases requiring intubation was higher in people with positive blood type A. The lowest need for intubation was seen in blood type B negative. Blood group A positive (39.6%) and then AB negative (33.3%) had the highest mortality rate. Death was not observed in blood group A negative, B negative, B positive and O negative.
Conclusion: The number of patients with COVID-19 with blood type A was significantly higher (46.1%). The most common blood group in these patients was A and the lowest was blood group B. The number of cases requiring intubation was higher in people with positive blood type A.
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