Context: Coronavirus Disease 2019 (COVID-19) pandemic has caused irreparable damage to society. The pediatric population may be asymptomatic but has positive viral nucleic acid test results and plays an important role in spreading the infection in populations. However, there is a substantial information gap on the epidemiology, pathology, and clinical presentations of COVID-19 in pediatric patients. Evidence Acquisition: English research articles published before April 18, 2020, were reviewed to understand the clinical characteristics of SARS coronavirus 2, Severe Acute Respiratory Syndrome, and Middle East Respiratory Syndrome in children. The WHO (https://www.who. int/) and CDC (Centers for Disease Control and Prevention, https://www.cdc.gov/) websites were also reviewed to find eligible studies, besides articles extracted from PubMed, Scopus, and Google Scholar. Results: In comparison with SARS and MERS, COVID-19 seems to have wider clinical symptoms and routes of transmission. Multisystem inflammatory syndrome is a unique clinical feature of this novel virus. The low prevalence of COVID-19 in children may be due to lower contacts or incomplete identification rather than resistance to the virus. Conclusions: As this virus is novel, we believe that lessons learned from SARS and MERS outbreaks are very valuable in handling the current pandemic. The aim of this paper was to provide the updated summary of clinical manifestation, diagnostic, molecular, and genetic aspects of the novel coronavirus in comparison with SARS and MERS coronaviruses in children.
The coronavirus disease 2019 (COVID-19) outbreak has caused a public health crisis worldwide. However, data regarding the protective factors of the disease is limited. Consequently, preventive health measures that can decrease the risk of infection, progression, and severity are dreadfully required. It is well-documented that people with immunodeficiency, such as the elderly, people who already have comorbidities (e.g., diabetes mellitus, hypertension, respiratory and cardiovascular disorders), and underrepresented minorities, are placed in a group with a higher risk of getting infected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). A diet rich in vitamins, minerals, and antioxidants plays an essential role in strengthening the immune system and fighting against invading pathogens. The present comprehensive review has discussed published literature regarding the potential role of vitamins in strengthening the immune system and managing viral infections, particularly SARS-CoV-2 infection. Although there are controversial data regarding the plasma level of vitamin D and the severity of the disease, according to the limited evidence, vitamin D may lower the mortality rate. Moreover, vitamin C could reduce the development of inflammatory response; however, the results of ongoing clinical trials are required to confirm these primary findings.
Background: Combined immunodeficiency (CID) is characterized by profound defects in the development and function of both B and T cells. We aimed to investigate clinical and immunological phenotype in CID patients with and without pulmonary complications.Methods: This retrospective study was performed on patients with established diagnosis of CID registered between 2009 and 2020, who had available thoracic computed tomography scan in their medical records. Patients were divided into two groups based on the development of pulmonary complications, and their demographic, clinical, and laboratory characteristics were compared. All data were analyzed by SPSS software, and a P-value < 0.05 was considered as a significant difference.Results: 53 patients [56.6% male and 43.4% females] were enrolled in the study and divided into two groups of patients with (n = 43) and without (n = 10) pulmonary abnormality in the HRCT. In patients with pulmonary complications, skin lesions, failure to thrive, and autoimmunity, were three top high provenances, and anemia was significantly presented in patients with complicated HRCT. Findings of thoracic high resolution computed topographies (HRCTs) included pneumonia (n = 15, 28.3%), bronchiectasis (n = 10, 18.9%), pulmonary nodules (n = 1, 1.9%), atelectasis (n = 2, 3.8%), interstitial lung disease (n = 2, 3.8%). Dead patients had significantly lower level of platelet (183000 cell/µL, P-value = 0.031), IgG (501 mg/dl, P-value = 0.037) and IgE (1.5 IU/ml, P-value = 0.046) compare to alive patients. The mortality rate was higher in patients with pulmonary complications compared to the other group (18.9% vs. 1.9%, p = 0.667).Conclusion: Respiratory disorders in CID are common and require early periodic monitoring by respiratory tests and HRCT to avoid irreversible injuries.
Purpose: Combined immunodeficiency (CID) is characterized by profound defects in the development and function of both B and T cells. We aimed to investigate clinical and immunological phenotype in CID patients with and without pulmonary complications.Methods: This retrospective study was performed on patients with established diagnosis of CID registered between 2009 and 2020. Patients were divided into two groups based on the development of pulmonary complications, and their demographic, clinical, and laboratory characteristics were compared. All data were analyzed by SPSS software, and a P-value <0.05 was considered as a significant difference.Results: 146 patients [56.8% male and 43.2% females] were enrolled in the study and divided into two groups of patients with (n=88) and without (n=58) pulmonary complications. In patients with pulmonary complications, oral candidiasis, failure to thrive, and otitis media, while in the other group, anemia, autoimmunity, rheumatologic disorders, and skin lesions had higher frequency, although not significant. Thoracic high resolution computed tomographies (HRCTs), available in 54.5% of patients with pulmonary complications, were compatible with pneumonia (39.8%), bronchiectasis (12.5%), pulmonary nodules (3.4%), atelectasis (1.1%), interstitial lung disease (1.1%), and pneumothorax (1.1%). Patients with pulmonary complications had lower number of T CD4+ but higher levels of CD8+ cells compared to patients without pulmonary complications (p=0.012 and p=0.005, respectively). The mortality rate was higher in patients with pulmonary complications compared to the other group (11.4% vs. 6.9%, p=0.597).Conclusion: Respiratory disorders in CID are common and require early periodic monitoring by respiratory tests and HRCT to avoid irreversible injuries.
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