Coronavirus disease (COVID-19) pandemic is affecting the world unevenly. One of the highest numbers of cases were recorded in the most polluted regions worldwide. The risk factors for severe COVID-19 include diabetes, cardiovascular, and respiratory diseases. It has been known that the same disease might be worsened by chronic exposure to air pollution. The study aimed to determine whether long-term average exposure to air pollution is associated with an increased risk of COVID-19 cases and deaths in Poland. The cumulative number of COVID-19 cases and deaths for each voivodeship (the main administrative level of jurisdictions) in Poland were collected from March 4, 2020, to May 15, 2020. Based on the official data published by Chief Inspectorate of Environmental Protection voivodeship-level long-term exposure to main air pollution: PM2.5, PM10, NO2, SO2, O3 (averaged from 2013 to 2018) was established. There were statistically significant correlation between COVID-19 cases (per 100,000 population) and annual average concentration of PM2.5 (R2 = 0.367, p = 0.016), PM10 (R2 = 0.415, p = 0.009), SO2 (R2 = 0.489, p = 0.003), and O3 (R2 = 0.537, p = 0.0018). Moreover, COVID-19 deaths (per 100,000 population) were associated with annual average concentration of PM2.5 (R2 = 0.290, p = 0.038), NO2 (R2 = 0.319, p = 0.028), O3 (R2 = 0.452, p = 0.006). The long-term exposure to air pollution, especially PM2.5, PM10, SO2, NO2, O3 seems to play an essential role in COVID-19 prevalence and mortality. Long-term exposure to air pollution might increase the susceptibility to the infection, exacerbates the severity of SARS-CoV-2 infections, and worsens the patients’ prognosis. The study provides generalized and possible universal trends. Detailed analyzes of the phenomenon dedicated to a given region require taking into account data on comorbidities and socioeconomic variables as well as information about the long-term exposure to air pollution and COVID-19 cases and deaths at smaller administrative level of jurisdictions (community or at least district level).
This article has been peer reviewed and published immediately upon acceptance.It is an open access article, which means that it can be downloaded, printed, and distributed freely, provided the work is properly cited. Articles in "Cardiology Journal" are listed in PubMed.
Cardiovascular diseases are the leading cause of hospitalization and mortality across the world. In 2013, the estimated number of deaths from cardiovascular diseases exceeded 17 million, accounting for 31.5% of all deaths globally, i.e. twice the number of all cancer-related deaths The article explores the correlation between selected dermatological diseases and an elevated risk of cardiovascular events. In addition, cutaneous manifestations of cardiovascular diseases which are important in the physician's practice, and therapeutic dilemmas involved in the coexistence of cardiac and dermatological diseases, are discussed. streszczenie Choroby układu sercowo-naczyniowego stanowią główną przyczynę hospitalizacji i zgonów na świecie. W 2013 roku liczbę zgonów z powodu chorób układu krążenia oszacowano na ponad 17 milionów, co stanowiło 31,5% ogółu zgonów na świecie, dwukrotnie przewyższając liczbę zgonów z powodu chorób nowotworowych. W artykule przeanalizowano związek wybranych chorób dermatologicznych ze zwiększonym ryzykiem wystąpienia incydentów sercowo-naczyniowych. Ponadto przedstawiono ważne z praktycznego punktu widzenia skórne objawy chorób układu krążenia oraz dylematy terapeutyczne w przypadku współistnienia chorób kardiologicznych i dermatologicznych.
Background The presence of obstructive sleep apnea (OSA), a novel cardiovascular risk factor, contributes to the development of peripheral arterial diseases (PAD). There is a lack of data showing how often these diseases coexist. Aims The aim of the study was to determine the prevalence of OSA in the population of patients with PAD. Methods Patients previously qualified for the first revascularization due to PAD were included in the study. All patients underwent an overnight sleep study to detect OSA. Diagnosis of OSA was made when the apnea-hypopnea index (AHI) was ≥5 per hour. Results From 141 patients (60% men, age 69.6 ± 9.5 years), OSA was diagnosed in 68 patients (48%). OSA occurred in mild form (5 ≤ AHI < 15/h) in 39 cases (28%), in moderate form (15 ≤ AHI < 30/h) in 21 cases (15%), and in severe form (AHI ≥ 30/h) in 8 cases (6%). Patients without OSA had significantly lower body mass index (BMI; 26.9 ± 5.5 vs. 27.7 ± 5.3 kg/m 2 , p = 0.01) and lower hip circumference (97.4 ± 11.7 vs. 98.7 ± 7.4, p = 0.04). There were no differences in the distribution of other investigated cardiovascular risk factors and diseases between these groups. There were no significant differences in OSA distribution or its severity between patients with lower extremity artery disease and carotid artery disease. Conclusions The prevalence of OSA in patients with PAD is very high, affecting nearly half of the studied population.
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