The COVID-19 pandemic forced healthcare services organization to adjust to mutating healthcare needs. Not exhaustive data are available on the consequences of this on non-COVID-19 patients. The aim of this study was to assess the impact of the pandemic on non-COVID-19 patients living in a one-million inhabitants’ area in Northern Italy (Bologna Metropolitan Area-BMA), analyzing time trends of Emergency Department (ED) visits, hospitalizations and mortality. We conducted a retrospective observational study using data extracted from BMA healthcare informative systems. Weekly trends of ED visits, hospitalizations, in- and out-of-hospital, all-cause and cause-specific mortality between December 1st, 2019 to May 31st, 2020, were compared with those of the same period of the previous year. Non-COVID-19 ED visits and hospitalizations showed a stable trend until the first Italian case of COVID-19 has been recorded, on February 19th, 2020, when they dropped simultaneously. The reduction of ED visits was observed in all age groups and across all severity and diagnosis groups. In the lockdown period a significant increase was found in overall out-of-hospital mortality (43.2%) and cause-specific out-of-hospital mortality related to neoplasms (76.7%), endocrine, nutritional and metabolic (79.5%) as well as cardiovascular (32.7%) diseases. The pandemic caused a sudden drop of ED visits and hospitalizations of non-COVID-19 patients during the lockdown period, and a concurrent increase in out-of-hospital mortality mainly driven by deaths for neoplasms, cardiovascular and endocrine diseases. As recurrencies of the COVID-19 pandemic are underway, the scenario described in this study might be useful to understand both the population reaction and the healthcare system response at the early phases of the pandemic in terms of reduced demand of care and systems capability in intercepting it.
During the first outbreak of Coronavirus disease 2019 (COVID-19) Emergency Departments (EDs) were overcrowded. Hence, the need for a rapid and simple tool to support clinical decisions, such as the ROX index (Respiratory rate – OXygenation), defined as the ratio of peripheral oxygen saturation and fraction of inspired oxygen, to respiratory rate. The aim of the study was to evaluate the accuracy of the ROX index in predicting hospitalization and mortality in patients with a diagnosis of COVID-19 in the ED. The secondary outcomes were to assess the number of readmissions and the variations in the ROX index between the first and the second admission. This was an observational prospective monocentric study, carried out in the ED of Sant’Orsola-Malpighi Hospital in Bologna, Italy. Five hundred and fifty-four consecutive patients with COVID-19 were enrolled and the ROX index was calculated. Patients were followed until hospital discharge or death. A ROX index value < 25.7 was associated with hospitalization (area under the curve [AUC] = 0.737, 95% CI 0.696–0.779, p < 0.001). The ROX index < 22.3 was statistically related to higher 30-day mortality (AUC = 0.764, 95% CI 0.708–0.820, p < 0.001). Eight patients were discharged and returned to the ED within the subsequent 7 days, their mean ROX index was 30.3 (6.2; range 21.9–39.4) at the first assessment and 24.6 (5.5; 14.5–29.5) at the second assessment, ( p = 0.012). The ROX index, together with laboratory, imaging and clinical findings, correlated with the need for hospital admission, mechanical ventilation and mortality risk in COVID-19 patients.
Background: In Italy, since the first symptomatic cases of Coronavirus disease 2019 (COVID-19) appeared in late February 2020, 205.463 cases of Severe Acute Respiratory Syndrome 2 (SARS-CoV-2) were reported as of April 30, causing an high rate of hospital admission through the Emergency Department (ED).Objectives: The aim of the study was to evaluate the accuracy of ROX index in predicting hospitalization and mortality in patients with suspected diagnosis of COVID-19 in the ED. Secondary outcomes were to assess the number of readmissions and the variations of ROX index between first and second admission.Methods: This is an observational prospective monocentric study, conducted in the ED of Policlinico Sant’Orsola-Malpighi in Bologna. We enrolled 1371 consecutive patients with suspected COVID-19 and ROX index was calculated in 554 patients. Patients were followed until hospital discharge or death. Results: ROX index value < 25.7 was associated with hospitalization (AUC=0.737, 95%CI 0.696–0.779, p<0.001). ROX index < 22.3 is statistically related with higher 30-days mortality (AUC= 0.764, 95%CI 0.708-0.820, p<0.001). 8 patients were discharged and returned in the ED within the following 7 days, their mean ROX index was 30.3 (6.2; range 21.9-39.4) at the first assessment and 24.6 (5.5; 14.5-29.5) at the second assessment, (p=0.012).Conclusion: ROX index, together with laboratory, imaging and clinical findings, can help discriminate patients suspected for COVID-19 requiring hospital admission, their clinical severity and their mortality risk. Furthermore, it can be useful to better manage these patients in territorial healthcare services, especially in the hypothesis of another pandemic.
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