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Frontiers of Medicine ; (4): 776-785, 2020.
Article in English | WPRIM | ID: wpr-880963


Coronavirus disease 2019 (COVID-19), which is caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), has spread around the world. However, approaches to distinguish COVID-19 from pneumonia caused by other pathogens have not yet been reported. We retrospectively analyzed the clinical data of 97 children with probable COVID-19. A total of 13 (13.4%) patients were confirmed positive for SARS-CoV-2 infection by nucleic acid RT-PCR testing, and 41 (42.3%) patients were found to be infected with other pathogens. Notably, no pathogen was detected in 43 (44.3%) patients. Among all patients, 25 (25.8%) had familial cluster exposure history, and 52 (53.6%) had one or more coexisting conditions. Fifteen (15.5%) patients were admitted or transferred to the PICU. In the 11 confirmed COVID-19 cases, 5 (45.5%) and 7 (63.6%) were positive for IgM and IgG against SARS-CoV-2, respectively. In 22 patients with suspected COVID-19, 1 (4.5%) was positive for IgG but negative for IgM. The most frequently detected pathogen was Mycoplasma pneumonia (29, 29.9%). One patient with confirmed COVID-19 died. Our results strongly indicated that the detection of asymptomatic COVID-19 or coexisting conditions must be strengthened in pediatric patients. These cases may be difficult to diagnose as COVID-19 unless etiologic analysis is conducted. A serologic test can be a useful adjunctive diagnostic tool in cases where SARS-CoV-2 infection is highly suspected but the nucleic acid test is negative.

Age Factors , COVID-19/diagnosis , COVID-19 Testing , Child , Child, Preschool , China , Female , Hospitalization , Humans , Infant , Male , Retrospective Studies , SARS-CoV-2/isolation & purification , Symptom Assessment
Article in Chinese | WPRIM | ID: wpr-434535


Objective To explore the clinical value of the detection of ankle-brachial index(ABI) combined with high-sensitivity C-reactive protein (hs-CRP) for evaluation coronary artery lesions in diabetic patients.Methods According to the diagnostic results of 256 layer speed CT,238 diabetic patients were divided into the group without coronary artery lesions(52 cases),the group with mild coronary artery lesions(103 cases) and the group with severe coronary artery lesions (83 cases).The ABI and hs-CRP were detected.The relationship between ABI,hs-CRP and cartotid artery intima-media thickness(IMT) were analyzed.Results The ABI and hs-CRP of the group with mild coronary artery lesions or with severe coronary artery lesions were lower than that of the group without coronary artery lesions(P <0.05 or P <0.01).The ABI and hs-CRP of the group with mild coronary artery lesions were lower than that of the group with severe coronary artery lesions(all P < 0.05).The IMT was (1.37 ± 0.29) mm in the group with coronary artery lesions,which had a negative correlation with A BI (r =-0.2195,P < 0.05) and a positive correlation with hs-CRP(r =0.3946,P < 0.05).Conclusion The detection of ABI combined with hs-CRP can be used to evaluate diabetic patients with coronary artery disease.

Chinese Journal of Dermatology ; (12): 251-253, 2008.
Article in Chinese | WPRIM | ID: wpr-401172


Objective To report a three-generation Chinese family with freckle and to make a genetic linkage analysis in this family.MethodsGenetic linkage analysis was carried out in this family using microsatellite markers distributed over chromosome 4q and 1.Two-point logarithm of odds(LOD)scores were calculated using the Linkage program package(version 5.1),and haplotype was analyzed with Cyrillic version 2.01 software.Results Freckle was inherited in an autosomal dominant pattern with a penetrance of99.9% in this family;linkage to chromosome 4q was ruled out however,supportive evidence was obtained for linkage to microsatellite markers D1S2635 and D1S2844 in chromosome 1q with a maximum LOD score of 1.50.Haplotype analysis in this family localized the locus of freckle to a 12 Mb region flanked by D1S2624 and D1S2799.Conclusions Freckle is a genetically heterogeneous disorder.The causative gene may be located in a 21.2 cM region on chromosome 1q22-24.

Article in Chinese | WPRIM | ID: wpr-673997


0.8). Conclusions This DNA chip combined with multiplex PCR is a rapid diagnostic assay with high specificity and sensitivity for the detection of Neisseria gonorrhoeae, Chlamydia trachomatis and Ureaplasma Urealyticum and their drug-resistance, and may be applied in the diagnosis of urogenital infections.