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Keywords = Ganderia

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18 pages, 567 KB  
Article
Management of Children Admitted to Hospitals across Bangladesh with Suspected or Confirmed COVID-19 and the Implications for the Future: A Nationwide Cross-Sectional Study
by Kona Chowdhury, Mainul Haque, Nadia Nusrat, Nihad Adnan, Salequl Islam, Afzalunnessa Binte Lutfor, Dilara Begum, Arif Rabbany, Enamul Karim, Abdul Malek, Nasim Jahan, Jesmine Akter, Sumala Ashraf, Mohammad Nazmul Hasan, Mahmuda Hassan, Najnin Akhter, Monika Mazumder, Nazmus Sihan, Nurun Naher, Shaheen Akter, Sifat Uz Zaman, Tanjina Chowdhury, Jebun Nesa, Susmita Biswas, Mohammod Didarul Islam, Al Mamun Hossain, Habibur Rahman, Palash Kumar Biswas, Mohammed Shaheen, Farah Chowdhury, Santosh Kumar, Amanj Kurdi, Zia Ul Mustafa, Natalie Schellack, Marshall Gowere, Johanna C. Meyer, Sylvia Opanga and Brian Godmanadd Show full author list remove Hide full author list
Antibiotics 2022, 11(1), 105; https://doi.org/10.3390/antibiotics11010105 - 14 Jan 2022
Cited by 29 | Viewed by 6354
Abstract
There is an increasing focus on researching children admitted to hospital with new variants of COVID-19, combined with concerns with hyperinflammatory syndromes and the overuse of antimicrobials. Paediatric guidelines have been produced in Bangladesh to improve their care. Consequently, the objective is to [...] Read more.
There is an increasing focus on researching children admitted to hospital with new variants of COVID-19, combined with concerns with hyperinflammatory syndromes and the overuse of antimicrobials. Paediatric guidelines have been produced in Bangladesh to improve their care. Consequently, the objective is to document the management of children with COVID-19 among 24 hospitals in Bangladesh. Key outcome measures included the percentage prescribed different antimicrobials, adherence to paediatric guidelines and mortality rates using purposely developed report forms. The majority of 146 admitted children were aged 5 years or under (62.3%) and were boys (58.9%). Reasons for admission included fever, respiratory distress and coughing; 86.3% were prescribed antibiotics, typically parenterally, on the WHO ‘Watch’ list, and empirically (98.4%). There were no differences in antibiotic use whether hospitals followed paediatric guidance or not. There was no prescribing of antimalarials and limited prescribing of antivirals (5.5% of children) and antiparasitic medicines (0.7%). The majority of children (92.5%) made a full recovery. It was encouraging to see the low hospitalisation rates and limited use of antimalarials, antivirals and antiparasitic medicines. However, the high empiric use of antibiotics, alongside limited switching to oral formulations, is a concern that can be addressed by instigating the appropriate programmes. Full article
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13 pages, 5057 KB  
Article
Petrogenesis of the Nashwaak Granite, West-Central New Brunswick, Canada: Evidence from Trace Elements, O and Hf Isotopes of Zircon, and O Isotopes of Quartz
by Wei Zhang, David R. Lentz and Kathleen G. Thorne
Minerals 2020, 10(7), 614; https://doi.org/10.3390/min10070614 - 9 Jul 2020
Cited by 7 | Viewed by 3727
Abstract
The petrogenesis of the Pridoli to Early Lochkovian granites in the Miramichi Highlands of New Brunswick, Canada, is controversial. This study focuses on the Pridoli Nashwaak Granite (biotite granite and two-mica granite). In situ trace elements and O and Hf isotopes in zircon, [...] Read more.
The petrogenesis of the Pridoli to Early Lochkovian granites in the Miramichi Highlands of New Brunswick, Canada, is controversial. This study focuses on the Pridoli Nashwaak Granite (biotite granite and two-mica granite). In situ trace elements and O and Hf isotopes in zircon, coupled with O isotopes in quartz, are used to reveal its magmatic sources and evolution processes. In the biotite granite, inherited zircon cores have broadly homogenous δ18OZrc ranging from +6.7‰ to 7.4‰, whereas magmatic zircon rims have δ18OZrc of +6.3‰ to 7.2‰ and εHf(t) of −0.39 to −5.10. The Hf and Yb/Gd increase with decreasing Th/U. Quartz is isotopically equilibrated with magmatic zircon rims. The biotite granite is interpreted to be solely derived by partial melting of old basement rocks of Ganderia and fractionally crystallized at the fO2 of 10−21 to 10−10 bars. The two-mica granite has heterogeneous inherited zircon cores (δ18OZrc of +5.2‰ to 9.9‰) and rims (δ18OZrc of +6.2‰ to 8.7‰), and εHf(t) of −11.7 to −1.01. The two-mica granite was derived from the same basement, but with supracrustal contamination. This open-system process is also recorded by Yb/Gd and Th/U ratios in zircon and isotopic disequilibrium between magmatic zircon rims and quartz (+10.3 ± 0.2‰). Full article
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