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Objective:To evaluate the quality of information about bronchial asthma in Chinese Internet Site.Methods:According to the traffic ranking of Alexa website, three Chinese keywords of “bronchial asthma”, “asthma” and “asthma treatment” were searched in two most common Chinese search engines: Baidu and Sohu, and the information quality was evaluated by DISCERN tool. The completeness and accuracy of the information were evaluated according to the “2019 Global Strategy For Asthma Management And Prevention”.Results:A total of 25 websites were obtained. The DISCERN evaluation showed that none of the evaluations had an average score of more than 3.40 points. More than 50% of the information on the websites was incomplete or incorrect, and 4% of the websites contained incorrect information. The website content scores were graded, and the grading results were: excellent 12%, good 40%, fair 36%, poor 12%. The website was evaluated according to the attributes of the owner. Professional websites had better accuracy and comprehensive websites had better comprehensiveness. Pearson correlation analysis showed that the content score was positively correlated with the reliability score, detail score, and total score in DISCERN score ( r=0.58, 0.63, 0.61, all P<0.001). Conclusion:The quality of asthma information on Chinese Internet Site is generally poor.
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OBJECTIVE@#To assess the diagnostic value of salivary gland ultrasonography (SGUS) for IgG4-related sialadenitis.@*METHODS@#Ultrasonography examination of major salivary glands was conducted for 48 IgG4-related sialadenitis patients and 50 Sjögren's syndrome patients, whose ages and disease duration were matched. The imaging features were graded using two different scoring systems (0-16 and 0-48, respectively) obtained from the grades of bilateral parotid and submandibular glands. The scores were used to further evaluate the features of salivary gland ultrasonography in IgG4-related sialadenitis and to compare them with Sjögren's syndrome patients. The association of SGUS scores of IgG4-related sialadenitis group with serological tests was analyzed.@*RESULTS@#The mean age of IgG4-related sialadenitis group and Sjögren's syndrome group was 49.23 years and 50.44 years, respectively. The serum IgG4 level of the patients in the IgG4-related sialadenitis group was increased, with an average (9.60±6.43) g/L. And the serum IgE level was at a median of 251.5 (123.4-543.6) IU/mL. In the 0-16 system, the scores of submandibular glands of the patients in IgG4-related sialadenitis and Sjögren's syndrome were 6.0 (6.0-8.0) and 4.0 (2.0-8.0), and the scores of the total four glands were 10.0 (8.0-14.0) and 8.0 (4.0-12.0) respectively. In the 0-48 system, the scores of submandibular glands with IgG4-related sialadenitis and Sjögren's syndrome were 18.0 (14.5-20.0) and 11.0 (7.0-14.0), and the scores of the total four glands were 26.0 (18.5-34.0) and 21.5 (15.0-26.3) respectively. It suggested that in the 0-16 system and the 0-48 system, scores of submandibular glands and the total of four glands of IgG4-related sialadenitis were higher than those of Sjögren's syndrome. Meanwhile, the association analysis of 0-48 system showed a positive correlation of SGUS scores with serum IgG4, which also showed a positive correlation of SGUS scores with serum IgE in 0-16 system.@*CONCLUSION@#Semi-quantitative ultrasonography scoring systems can evaluate and quantify the lesions of salivary glands, which can be helpful in the diagnosis and differential diagnosis of IgG4-related sialadenitis combined with the clinical manifestations, serological indicators and/or histopathological manifestations. Ultrasonography can also assess the activity of IgG4-related sialadenitis preliminarily.