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Borges do Nascimento, Israel Júnior; O’Mathúna, Dónal P.; von Groote, Thilo Caspar; Abdulazeem, Hebatullah Mohamed; Weerasekara, Ishanka; Marusic, Ana; Puljak, Livia; Civile, Vinicius Tassoni; Zakarija-Grkovic, Irena; Pericic, Tina Poklepovic; Atallah, Alvaro Nagib; Filoso, Santino; Bragazzi, Nicola Luigi; Marcolino, Milena Soriano

Coronavirus disease (COVID-19) pandemic: an overview of systematic reviews

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  • Medientyp: E-Artikel
  • Titel: Coronavirus disease (COVID-19) pandemic: an overview of systematic reviews
  • Beteiligte: Borges do Nascimento, Israel Júnior; O’Mathúna, Dónal P.; von Groote, Thilo Caspar; Abdulazeem, Hebatullah Mohamed; Weerasekara, Ishanka; Marusic, Ana; Puljak, Livia; Civile, Vinicius Tassoni; Zakarija-Grkovic, Irena; Pericic, Tina Poklepovic; Atallah, Alvaro Nagib; Filoso, Santino; Bragazzi, Nicola Luigi; Marcolino, Milena Soriano
  • Erschienen: Springer Science and Business Media LLC, 2021
  • Erschienen in: BMC Infectious Diseases, 21 (2021) 1
  • Sprache: Englisch
  • DOI: 10.1186/s12879-021-06214-4
  • ISSN: 1471-2334
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: Abstract Background Navigating the rapidly growing body of scientific literature on the SARS-CoV-2 pandemic is challenging, and ongoing critical appraisal of this output is essential. We aimed to summarize and critically appraise systematic reviews of coronavirus disease (COVID-19) in humans that were available at the beginning of the pandemic. Methods Nine databases (Medline, EMBASE, Cochrane Library, CINAHL, Web of Sciences, PDQ-Evidence, WHO’s Global Research, LILACS, and Epistemonikos) were searched from December 1, 2019, to March 24, 2020. Systematic reviews analyzing primary studies of COVID-19 were included. Two authors independently undertook screening, selection, extraction (data on clinical symptoms, prevalence, pharmacological and non-pharmacological interventions, diagnostic test assessment, laboratory, and radiological findings), and quality assessment (AMSTAR 2). A meta-analysis was performed of the prevalence of clinical outcomes. Results Eighteen systematic reviews were included; one was empty (did not identify any relevant study). Using AMSTAR 2, confidence in the results of all 18 reviews was rated as “critically low”. Identified symptoms of COVID-19 were (range values of point estimates): fever (82–95%), cough with or without sputum (58–72%), dyspnea (26–59%), myalgia or muscle fatigue (29–51%), sore throat (10–13%), headache (8–12%) and gastrointestinal complaints (5–9%). Severe symptoms were more common in men. Elevated C-reactive protein and lactate dehydrogenase, and slightly elevated aspartate and alanine aminotransferase, were commonly described. Thrombocytopenia and elevated levels of procalcitonin and cardiac troponin I were associated with severe disease. A frequent finding on chest imaging was uni- or bilateral multilobar ground-glass opacity. A single review investigated the impact of medication (chloroquine) but found no verifiable clinical data. All-cause mortality ranged from 0.3 to 13.9%. Conclusions In this overview of systematic reviews, we analyzed evidence from the first 18 systematic reviews that were published after the emergence of COVID-19. However, confidence in the results of all reviews was “critically low”. Thus, systematic reviews that were published early on in the pandemic were of questionable usefulness. Even during public health emergencies, studies and systematic reviews should adhere to established methodological standards.
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