Coronavirus disease 2019 (COVID-19) represents a major health problem in terms of deaths and long-term sequelae. We conducted a retrospective cohort study at Montichiari Hospital (Brescia, Italy) to better understand the determinants of outcome in two different COVID-19 outbreaks. A total of 634 unvaccinated patients admitted from local emergency room to the Internal Medicine ward with a confirmed diagnosis of SARS-CoV-2 infection and a moderate-to-severe COVID-19 were included in the study. A group of 260 consecutive patients during SARS-CoV-2 first wave (from February to May 2020) and 374 consecutive patients during SARS-CoV-2 2nd/3rd wave (from October 2020 to May 2021) were considered. Demographic data were not significantly different between waves, except a lower prevalence of female sex during first wave. Mortality was significantly higher during the 1st wave than in the following periods (24.2% vs. 11%; p < 0.001). Time from symptoms onset to hospital admission was longer during first wave (8 ± 6 vs. 6 ± 4 days; p < 0.001), while in-hospital staying was significantly shorter (10 ± 14 vs. 15 ± 11 days; p < 0.001). Other significant differences were a larger use of corticosteroids and low-molecular weight heparin as well less antibiotic prescription during the second wave. Respiratory, bio-humoral and X-ray scores were significantly poorer at the time of admission in first-wave patients. After a multivariate regression analysis, C-reactive protein and procalcitonin values, % fraction of inspired oxygen on admission to the Internal Medicine ward and length of hospital stay and duration of symptoms were the strongest predictors of outcome. Concomitant anti-hypertensive treatment (including ACE-inhibitors and angiotensin-receptor blockers) did not affect the outcome. In conclusion, our data suggest that earlier diagnosis, timely hospital admission and rational use of the therapeutic options reduced the systemic inflammatory response and were associated to a better outcome during the 2nd/3rd wave.
Introduction The Coronavirus disease 2019 (COVID-19), doesn't affect only respiratory system, but it also involves other organs including cardiovascular system, possibly causing acute or chronic cardiovascular events. Preexisting cardiovascular diseases enhance COVID-19 morbidity, as well. Aim In this retrospective analysis we investigated the onset of cardiovascular events during a time-span of more than one year since hospitalization (384 days). Methods The analysis included 43 patients, who were hospitalized in Internal Medicine Department of Montichiari Hospital (ASST Spedali Civili of Brescia) for moderate to severe SARS-CoV2 related pneumonia treated with high-flow oxygen support (ranging from 40% fraction of inspired oxygen to non-invasive ventilation) Mean age was 63 years, 28% (12/43) were female and 72% (31/43) were male. Thirty-five percent of the patients suffered from heart diseases, 56% of them were hypertensives and 23% had type 2 diabetes; 12% had chronic kidney disease (CKD) and 5% an active neoplasm. 49% of the sample was obese. Nineteen percent took ACE inhibitors and 19% was on ARBs. Statins were taken by 37% of the patients; an antiaggregant by 21%, and an anticoagulant by 2% (see table) Results The follow-up visit included the evaluation of post-covid infection quality-of-life, standard laboratory tests, chest computed tomography, spirometry with evaluation of DLCO. The onset of cardiovascular events during the average period of 384 days was evaluated. None of the 43 patients had major cardiovascular events: coronary heart disease, cerebrovascular disease, peripheral arterial disease, deep vein thrombosis and pulmonary embolism. Conclusions Even if this study failed to demonstrate new-onset CV events, longer follow-up studies performed to evaluate cardiovascular risk following SARS-CoV1 infection showed persistent hyperlipidemia, cardiovascular system abnormalities, and glucose metabolism disorders in a very high number of patients. Further analyses are needed to further investigate longer term cardiovascular consequences of SARS-CoV2 infection.
Objective:Coronavirus disease 2019 (COVID-19) represents a major clinical problem in terms of death and long-term sequelae. We conducted a retrospective cohort study at Montichiari Hospital (Brescia, Italy) to better understand different determinants of outcome in different COVID-19 outbreaks.Design and method:A total of 635 patients admitted from local emergency room with a confirmed diagnosis of SARS-CoV-2 infection and a moderate to severe COVID-19 were included in the present study. A group of 260 consecutive patients during SARS-CoV-2 first wave (from February to May 2020) and 375 consecutive patients during SARS-CoV-2 second/third wave (from October 2020 to May 2021) were considered. Demographic data, comorbidities, ongoing treatment and bio-humoral, respiratory and haemodynamic data were recorded and compared.Results:Main demographic data (Table 1) were not significantly different in the two considered time-lapses, except a lower prevalence of female sex during first wave. Mortality rate was significantly lower during the latter period (25% vs 11%; p < 0.001). Time from symptoms onset to hospital admission was longer during first wave (7.8 ± 5.6 vs 5.6 ± 4.3 days; p < 0.001) while hospital staying was significantly shorter (11 ± 10 vs 15 ± 12 days; p < 0.001).Other significant differences were a wider use of corticosteroids and low-molecular weight heparin (LMWH) as well less antibiotic prescription during the second wave (Table 2). Respiratory, bio-humoral and x-Ray score were significantly poorer at the time of admission in first-wave patients (Table 3).After a multivariate regression analysis, C-reactive protein and procalcitonin values, % fraction of inspired oxygen at admission, days after symptoms onset and duration of hospital staying were the strongest predictors of outcome in both periods.Concomitant anti-hypertensive treatment (including ACE-inhibitors and ARBs) did not affect outcome.Conclusions:Our preliminary data suggest that an earlier diagnosis, a timely hospital admission and a rational use of the therapeutic options allowed to reduce the rate of systemic inflammation response (of which CRP is a hallmark) and granted a better outcome during the second of the two time-lapses considered.
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