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    Tytuł:
    COVID-19: A spectio-temporal analysis of air quality status in coking coalfields of India due to nationwide lockdown in India
    Autorzy:
    Singh, Amarjeet
    Singh, Gurdeep
    Powiązania:
    https://bibliotekanauki.pl/articles/1839037.pdf
    Data publikacji:
    2020
    Wydawca:
    Główny Instytut Górnictwa
    Tematy:
    air pollution
    air quality index
    AQI
    coal mining
    COVID-19
    lockdown
    zanieczyszczenie powietrza
    indeks jakości powietrza
    wydobycie węgla
    Opis:
    A novel infectious corona virus disease (COVID-19) was identified in the month of December 2019. It has now been announced as a worldwide pandemic by the World Health Organization. COVID-19 pandemic has positive impacts on the environmental pollutants. In present work, Coalfield areas of Jharia Coalfields (JCF), India have been taken as a case study to evaluate the effect of the lockdown on air quality at 10 locations. This study had been selected to estimate the reduction in concentration of pollutants likePM10, PM2.5, SO2, and NOx during 3 Seasons (summer, Post-Monsoon and winter season) in the year 2019 in comparison to the concentration during the lockdown period i.e. from April 2020 to June 2020. The study areas selected was as fire affected and non-fire affected areas of Jharia Coalfield to identify the contribution of pollutants in the mining area to establish the baseline concentration of Business as usual (BAU) vs. the lockdown condition. The average reduction in concentration of PM10, PM2.5, SO2 and NOx was observed as 18%, 14%, 22% and 26% respectively during the lockdown period in comparison with the annual average concentration. As observed, the AQI value at the selected monitoring sites in JCF was 1.5 times higher in comparison to the lockdown period. This study will provide the confidence to the regulatory body for strict implementation of the applicable air quality standard/policies in the mining areas. The study will also provide confidence to the regulatory body in making emission control strategies for improvement of environmental conditions and human health.
    Źródło:
    Journal of Sustainable Mining; 2020, 19, 4; 243-253
    2300-1364
    2300-3960
    Pojawia się w:
    Journal of Sustainable Mining
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    CO2 narcosis in a COVID-19 patient in prone position due to twisting of reservoir bag of a non-rebreathing mask: a case report
    Autorzy:
    Kumar, Neeraj
    Kumar, Amarjeet
    Singh, Prabhat Kumar
    Kumar, Sanjeev
    Powiązania:
    https://bibliotekanauki.pl/articles/29432106.pdf
    Data publikacji:
    2020
    Wydawca:
    Towarzystwo Pomocy Doraźnej
    Tematy:
    COVID-19
    Non rebreathing face mask
    Twisting
    Prone position
    Opis:
    We know that oxygen therapy plays one of the important role for treating hypoxemia and it is widely used across a whole range of specialties and it involves administration of oxygen at concentrations greater than that in ambient air. We are reporting the first case of twisting of reservoir bag on using non-rebreathing face mask for providing supplemental oxygen in awake prone position in a 60 year old male tested COVID-19 positive. To prevent this twisting we recommend if a manufacturer do slight modification in making of these non-breathing face mask by adding a 1-2 cm L- shaped Plastic connector to the neck end of the oxygen reservoir bag. The sudden deflation of these reservoir bag not only increase the dead space, decrease alveolar ventilation but substantially compromised the gas exchange. So any twisting of these non-rebreathing face mask should be avoided. This twisting may compromise the patient condition due to rapid increase in PaCO2 and detrimental in patients with restrictive airway disease. On keeping the patient in prone position the twisting of the reservoir bag frequently occurs and this simple and useful modification may be beneficial for supplementation of oxygen therapy to COVID-19 patients requiring high fractional inspired oxygen concentration.
    Źródło:
    Critical Care Innovations; 2020, 3, 4; 30-34
    2545-2533
    Pojawia się w:
    Critical Care Innovations
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Physiological mechanism of resistant hypoxemia during dialysis of COVID 19 patient: a case report.
    Autorzy:
    Kumar, Amarjeet
    Kumar, Ajeet
    Kumar, Abhyuday
    Sinha, Chandni
    Kumari, Poonam
    Kumar Singh, Prabhat
    Powiązania:
    https://bibliotekanauki.pl/articles/1918249.pdf
    Data publikacji:
    2021-09-30
    Wydawca:
    Towarzystwo Pomocy Doraźnej
    Tematy:
    COVID-19
    chronic kidney disease
    haemodialysis
    non-invasive ventilation
    case report
    Opis:
    Chronic kidney disease (CKD) is characterized by loss of kidney function and generally it is associated with several alterations in pulmonary functions, including restriction, obstruction, and impaired diffusion capacity. It became challenging to maintain oxygenation in a CKD patient associated with COVID 19 on non-invasive ventilation (NIV). In patients with end stage renal disease (ESRD), several factors likes, fluid overload, anaemia, immune suppression, extraosseous calcification, malnutrition, electrolyte imbalance, and acid-base disorder affecting the lungs indirectly. Here we are reporting NIV failure in two COVID 19 patients during dialysis. Both patients were stable on NIV before starting dialysis and underwent oxygen desaturation and shifted to invasive mechanical ventilation during hemodialysis. The possible mechanism of the oxygen desaturation is alveolar hypoventilation in the absence of hypercapnia, which may be due to the removal of CO2 from the body by some route (dialysate) other than the lungs.
    Źródło:
    Critical Care Innovations; 2021, 4, 3; 15-19
    2545-2533
    Pojawia się w:
    Critical Care Innovations
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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