Background and Purpose:
Since the onset of the coronavirus disease 2019 (COVID-19) pandemic, doctors and public authorities have demonstrated concern about the reduction in quality of care for other health conditions due to social restrictions and lack of resources. Using a population-based stroke registry, we investigated the impact of the onset of the COVID-19 pandemic in stroke admissions in Joinville, Brazil.
Methods:
Patients admitted after the onset of COVID-19 restrictions in the city (defined as March 17, 2020) were compared with those admitted in 2019. We analyzed differences between stroke incidence, types, severity, reperfusion therapies, and time from stroke onset to admission. Statistical tests were also performed to compare the 30 days before and after COVID-19 to the same period in 2019.
Results:
We observed a decrease in total stroke admissions from an average of 12.9/100 000 per month in 2019 to 8.3 after COVID-19 (
P
=0.0029). When compared with the same period in 2019, there was a 36.4% reduction in stroke admissions. There was no difference in admissions for severe stroke (National Institutes of Health Stroke Scale score >8), intraparenchymal hemorrhage, and subarachnoid hemorrhage.
Conclusions:
The onset of COVID-19 was correlated with a reduction in admissions for transient, mild, and moderate strokes. Given the need to prevent the worsening of symptoms and the occurrence of medical complications in these groups, a reorganization of the stroke-care networks is necessary to reduce collateral damage caused by COVID-19.
Case fatality rate, prognosis and incidence adjusted for stroke subtypes were similar to those found in other population based studies. The prevalence rates of ischaemic heart disease, dyslipidaemia, arterial hypertension and diabetes suggest that Joinville presents a mixed pattern of cardiovascular risk, a pattern seen in developed and developing countries alike.
The second part of these Guidelines covers the topics of antiplatelet, anticoagulant, and statin therapy in acute ischemic stroke, reperfusion therapy, and classification of Stroke Centers. Information on the classes and levels of evidence used in this guideline is provided in Part I. A translated version of the Guidelines is available from the Brazilian Stroke Society website (www.sbdcv.com.br).
Background: Temporal trends on the incidence of stroke and its subtypes could help assess on-going public health policies and point to further targets for action among middle- and low-income countries, where the stroke burden is very high. This study aimed at evaluating longitudinal trends of stroke incidence in Joinville, Brazil. Methods: We ascertained the incidence of all first-ever strokes occurred in 1995, 2005-2006 and 2012-2013, which were extracted from Joinville Stroke Registry, a prospective epidemiological data bank, launched in 1995. Results: From 1995 to 2013, the age-adjusted incidence of all strokes decreased 37% (95% CI 32-42). From 2005 to 2013, the haemorrhagic stroke (HS) incidence decreased 60% (95% CI 13-86), ischemic stroke (IS) incidence decreased 15% (95% CI 1-28), and subarachnoid haemorrhage incidence remained stable. The proportion of IS and HS patients with regularly treated hypertension increased by 60% (p = 0.01) and 33% (p = 0.01), respectively. The proportion of IS and HS patients that quit smoking increased 8% (p = 0.03) and 17% (p = 0.03), respectively. Conclusions: Stroke incidence has been decreasing in Joinville over the last 18 years, more so for HS than IS. Better control of hypertension and tobacco use might explain these findings.
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