Upon observing a significant correlation between anemia and COVID-19 severity, it can be stated that anemia should be considered as an independent prognostic risk factor for COVID-19 and that hemoglobin can be used for risk stratification in patients under home or hospital care. This suggests that anemia is independently an important parameter that plays a role in severity of COVID-19. Significant correlation of anemia with death due to COVID-19 was found in males and females (P = 0.002106 and P = 0.033071, respectively) and in patients without any other comorbidities except anemia (P = 0.002020). Of these, 49.3% had varying degrees of anemia. Chi-squared test was applied to see the relationship of anemia with the patient deaths.Īmong the 784 patients, 507 succumbed to COVID-19. Patients were identified as anemic and non-anemic based on the World Health Organization (WHO) guidelines. Retrospective data was collected from 784 patients admitted to the COVID adult ICU between March and June 2021. In this study, we aimed to investigate the impact of anemia on the severity of COVID-19 based on the hemoglobin (Hb) concentration of the patients noted at the time of admission to the intensive care unit (ICU), to mark Hb as a prognostic marker of disease severity for the future. With the second wave of COVID-19, India lost close to three lakh people within the span of a few months. The experimental results show that the two general methods can improve the blood gas index and pulmonary function index of patients with heart disease and pulmonary dysfunction, but the improvement of the above indexes by the sequence of action of gas therapy is better than that of conventional invasive mechanical ventilation. Applied in clinical practice, this article selected 96 patients with severe cor pulmonale in our hospital from January 2020 to May 2021 as the research object and conducted a randomized prospective study. Including mechanical ventilation in the current clinical treatment of cor pulmonale, with the development of medical technology, traditional invasive mechanical ventilation has been pointed out to have certain clinical limitations, so new invasive and noninvasive sequential ventilation treatments are gradually being used. As a heart disease caused by pulmonary arterial hypertension, pulmonary heart disease has a high incidence and poor clinical prognosis in the elderly.
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