Objectives:
Are gastrointestinal symptoms among COVID-19 patients associated with the severity?
Study design:
This review article included a total of 21 observational studies with 5,285 COVID-19 patients.
Objectives:
Do melatonin supplements improve sleep quality as assessed by the Pittsburgh Sleep Quality Index (PSQI) in adults with various diseases?
Study design:
This review article included a total of 23 RCTs.
Results and conclusions:
The investigators found that melatonin supplements had significant effects on sleep quality as assessed by the Pittsburgh Sleep Quality Index (PSQI) [WMD = -1.24, 95% CI = -1.77 to -0.71, p = 0.000, I2 = 80.7%, p = 0.000].
Objectives:
What are the clinical features and laboratory findings in COVID-19 children?
Study design:
This review article included a total of 32 articles.
Out of the 32 publications, 3 were performed in Iran, the United States and Spain and the other 29 studies were conducted by Chinese researchers.
The total sample size consisted of 759 children, of whom 399 were male.
Results and conclusions:
Objectives:
Is fish or omega-3 fatty acids consumption associated with a lower risk of venous thromboembolism (VTE)?
Study design:
This review article included 8 prospective cohort studies.
The follow-up duration ranged from 0.5 to 19 years.
The sample size ranged from 595 to 80,263.
The fish and omega-3 fatty acids consumption was assessed by food-frequency questionnaire (FFQ) in all studies.
Objectives:
Do COVID-19 patients benefit from the treatment with remdesivir?
Study design:
This review article included 3 RCTs with a total of 1,691 COVID-19 patients.
Results and conclusions:
The investigators found the odds for mechanical ventilation (MV) or extracorporeal membrane oxygenation (ECMO) following treatment was significantly lower in the remdesivir group compared to the control group [OR = 0.48, 95% CI = 0.34 to 0.69, p 0.001].
Objectives:
Taurine plays a pivotal role in regulating glucose and lipid metabolism, blood pressure homeostasis and obesity largely due to its cytoprotective, antioxidant and anti-inflammatory actions. Despite promising data from animal studies in this scenario, the efficacy of taurine supplementation in human studies has been inconsistent. Therefore, this review article has been conducted.
Does taurine supplementation lower blood pressure and improve the lipid profile in patients with liver dysregulation?
Objectives:
Is hypocalcemia associated with poor outcome in COVID-19 patients?
Study design:
This review article included 7 studies with 2,032 COVID-19 patients.
Results and conclusions:
The investigators found the prevalence of hypocalcemia in the included studies was 55% [95% CI = 23 to 87%]. The incidence of poor outcome in this review article was 26%.
Objectives:
Does type 1 diabetes mellitus (T1DM) decrease bone mineral density (BMD) in children and adolescents?
Study design:
This review article included 9 cross-sectional studies with a total of 1,522 children and adolescents.
Funnel plot and the Egger test did not reveal significant publication bias.
Objectives:
Nasopharyngeal (NP) swabs are considered the highest-yield sample for diagnostic testing for respiratory viruses, including SARS-CoV-2. The need to increase capacity for SARS-CoV-2 testing in a variety of settings, combined with shortages of sample collection supplies, have motivated a search for alternative sample types with high sensitivity. Therefore, this review article has been conducted.
Scientific studies (review articles) on the relationship between diet/nutrients and osteoporosis prevention:
One swallow does not make a summer. A famous Dutch saying that could not be any more obvious. Just because one single scientific study about a certain topic makes certain claims, it does not necessarily mean it is true. On the other hand, a review article (a collection of scientific studies on a certain topic) of randomized, placebo-controlled double blind clinical trials (RCTs) will answer the following question:
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