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2.
Drug Safety ; 44(12):1414, 2021.
Article in English | ProQuest Central | ID: covidwho-1543504

ABSTRACT

Background/Introduction: Ibuprofen is a non-steroidal anti-inflammatory drug (NSAID);it is considered as relatively safe and is widely used in the world. However, at the beginning of the COVID-19 pandemic, ibuprofen was associated with an increase in severity or mortality of the infection [1-4]. Objective/Aim: To conduct a meta-analysis of the association between ibuprofen use and SARS-CoV-2 infection severity or mortality. Methods: We searched PubMed, EMBASE, Google Scholar and the Cochrane Database of Systematic Reviews for observational studies published between January 2020 and May 2021. Studies were included if they contained data on ibuprofen use and SARS-CoV-2 infection severity or mortality. Information upon study design, location, year of publication, number of participants, sex, age at baseline, outcome and exposure definitions was gathered. The quality of studies included was assessed with the Newcastle-Ottawa Scale (NOS). The analysis was performed based on a random-effects model;the summary effect and its confidence interval were calculated. Results: Eight observational studies comprising a total of 1785.730 participants were identified for inclusion (cohort, 5;case-control, 2;cross-sectional, 1). Mean age was 54.4 (SD 12.6) years-old and 50.2% were men. The mean NOS score of included studies was 7.7 (range 7-9). The studies were from Austria, Denmark (2), Israel, Saudi Arabia, UK (2) and USA. Patients exposed to ibuprofen while infected with SARS-CoV-2 had not higher severity or mortality;summary odds ratios were 0.81 (95% CI 0.58-1.12, p = 0.14) and 0.95 (95% CI 0.79-1.14, p = 0.42), respectively. Conclusion: At present, the available evidence does not support the hypothesis of an increased SARS-CoV-2 risk associated with ibuprofen. However, more evidence needs to accumulate before this controversy can be resolved.

3.
Biointerface Research in Applied Chemistry ; 11(4):11116-11121, 2021.
Article in English | Scopus | ID: covidwho-1013643

ABSTRACT

The objective of our study is, therefore, to verify whether the trend of the pandemic regarding the lethality of the virus is similar in Argentina and Chile to that which emerged in the temperate countries of Europe and Oceania. The CFRs were derived from the John Hopkins University database. To check the trend of the Case Fatality Ratio and Argentina, Chile we calculated this index on the same dates in which it was calculated for comparison in European countries and in Australia and New Zealand: i.e., May 6th and from May 6th to the September 21st. We continued comparing the other countries of the southern hemisphere, recalculating the CFR as of 11th November. For comparing a period of year homogeneous, late spring, we calculate the change if CFR from 20th March to 15th April in the North Hemisphere. Our study's results seem to confirm in Latin America a possible influence of the climate and the changing of the seasons in the lethality of the virus. For the same exceptions, it is evident that the study shows that this factor is not the only one nor probably the most important. The obvious exception concerns Argentina, which does not show any summer improvement of the CFR, unfortunately;for this, nation-specific data are not available to verify if the trend is homogeneous in the different climates that the vast territory presents. Other very important factors come into play, among which the diffusivity of the virus also seems to play a role. © 2020 by the authors.

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