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Asian Pacific Journal of Tropical Medicine ; 15(9):400-409, 2022.
Article in English | EMBASE | ID: covidwho-2080621

ABSTRACT

Objective: To evaluate long-term effects of COVID-19, and to determine the risk factors in long-COVID in a cohort of the Turkish Thoracic Society (TTS)-TURCOVID multicenter registry. Method(s): Thirteen centers participated with 831 patients;504 patients were enrolled after exclusions. The study was designed in three-steps: (1) Phone questionnaire;(2) retrospective evaluation of the medical records;(3) face-to-face visit. Result(s): In the first step, 93.5% of the patients were hospitalized;61.7% had a history of pneumonia at the time of diagnosis. A total of 27.1% reported clinical symptoms at the end of the first year. Dyspnea (17.00%), fatigue (6.30%), and weakness (5.00%) were the most prevalent long-term symptoms. The incidence of long-term symptoms was increased by 2.91 fold (95% CI 1.04-8.13, P=0.041) in the presence of chronic obstructive pulmonary disease and by 1.84 fold (95% CI 1.10-3.10, P=0.021) in the presence of pneumonia at initial diagnosis, 3.92 fold (95% Cl 2.29-6.72, P=0.001) of dyspnea and 1.69 fold (95% Cl 1.02-2.80, P=0.040) fatigue persists in the early-post-treatment period and 2.88 fold (95% Cl 1.52-5.46, P=0.001) in the presence of emergency service admission in the post COVID period. In step 2, retrospective analysis of 231 patients revealed that 1.4% of the chest X-rays had not significantly improved at the end of the first year, while computed tomography (CT) scan detected fibrosis in 3.4%. In step 3, 138 (27.4%) patients admitted to face-to-face visit at the end of first year;at least one symptom persisted in 49.27% patients. The most common symptoms were dyspnea (27.60%), psychiatric symptoms (18.10%), and fatigue (17.40%). Thorax CT revealed fibrosis in 2.4% patients. Conclusion(s): COVID-19 symptoms can last for extended lengths of time, and severity of the disease as well as the presence of comorbidities might contribute to increased risk. Long-term clinical issues should be regularly evaluated after COVID-19. Copyright © 2022 Asian Pacific Journal of Tropical Medicine Produced by Wolters Kluwer Medknow.

4.
American Journal of Respiratory and Critical Care Medicine ; 203(9), 2021.
Article in English | EMBASE | ID: covidwho-1277489

ABSTRACT

RATIONALE: Coronavirus disease 2019 (COVID-19), which is caused by the SARS-CoV-2, has been affecting the world since the end of 2019. Turkey is severely affected with the first case being reported on March 11th 2020. Several studies suggest an association between air pollution and the spread of the infection, and that ambient particulate matters (PM) can present a potential, as virus carriers. The aim of the present study was to investigate the presence of SARS-CoV-2 RNA on ambient PM. METHODS: Ambient PM samples in various size ranges were collected from 13 sites including urban, urban background locations and hospital gardens in 10 cities including Istanbul, Ankara, Izmir, Zonguldak, Tekirdag, Eskisehir, Bolu, Bursa, Konya, and Antalya across Turkey, between 13th of May and 14th of June, 2020. The nucleocapsid (N) 1 gene and RNA dependent RNA polymerase (RdRP) gene expressions were analyzed in PM samples for the presence of SARS-CoV-2 by applying quantitative real time-polymerase chain reaction (qRT-PCR) and three dimensional (3D)-digital PCR methods. RESULTS: A total of 155 daily samples (Total Suspended Particulate [TSP], n=80;PM2.5, n=33;PM2.5-10, n=23;PM10, n=19;and 6 size segregated, n=48) were collected using various samplers in the each city. According to RT-PCR and 3D-RT-PCR analysis, dual RdRP and N1 gene positivity were detected in 20 of the samples (9.8 %). The highest percentage of virus detection on PM samples was from hospital gardens in Tekirda Zonguldak, and Istanbul, especially in PM2.5 mode. Samples collected from two urban sites, Ankara and Eskisehir, were also positive. CONCLUSIONS: These findings suggest that SARS-CoV-2 may be transported by ambient particles, especially at sites close to the infection hot-spots such as hospital gardens. Whether this has an impact on the spread of the virus infection remains to be determined.

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