2.Value of blood interferon-γ release assay in early adjuvant diagnosis of tuberculous meningitis
Wenqiu DENG ; Hehong ZHAO ; Cejun ZHONG ; Xiaoju LV
Chinese Journal of Infection Control 2017;16(9):837-840
Objective To evaluate the value of peripheral blood Mycobacterium tuberculosis interferon-γ release assay(TB-IGRA )in early adjuvant diagnosis of tuberculous meningitis(TBM).Methods 56 patients with TBM (trial group) and 56 patients with non-TB meningitis (control group) admitted to West China Hospital of Sichuan University in January-December 2015 were analyzed, results of TB-IGRA, cerebrospinal fluid(CSF) Mycobacterium tuberculosis(MT) culture, and CSF TB-DNA testing of two groups of patients were analyzed, the sensitivity and specificity of each diagnostic method were calculated.Results The sensitivity of TB-IGRA, CSF MT culture, and CSF TB-DNA for diagnosis of TBM were 87.5%(49/56), 19.6%(11/56), and 60.7%(34/56) respectively,specificity were 89.3%(50/56), 100.0%(56/56), and 76.8%(43/56)respectively.The sensitivity of TB-IGRA for diagnosing TBM was higher than that of CSF TB-DNA and CSF MT culture, specificity of TB-IGRA was higher than that of CSF TB-DNA(89.3%>76.8%), pairwise comparison showed a significant difference(all P<0.01).Among 11 cases confirmed by CSF culture, 10 (90.9%[10/11])were positive for TB-IGRA;among 45 cases with clinical diagnosis and effective anti-tuberculosis treatment, 39 (86.7%[39/45])were positive for TB-IGRA.Conclusion TB-IGRA is highly sensitive and specific in the early adjuvant diagnosis of TBM, it is convenient, rapid, effective, and worthy to be popularized in clinical practice.
3.Correlation between lower limb alignment and risk factors of patellofemoral pain syndrome in young men
Bing HAN ; Hongbin LIU ; Hehong WANG ; Hanqing ZHAO ; Riguang ZHAO ; Yiyan SUN ; Yu ZHANG
Chinese Journal of Tissue Engineering Research 2024;28(8):1211-1216
BACKGROUND:The risk factors for patellofemoral pain syndrome are still unclear and research on risk factors is gradually becoming a hot topic in order to improve the therapeutic outcome of this disease. OBJECTIVE:To investigate the relationship between lower limb alignment and patellofemoral pain syndrome in young male runners. METHODS:In the same running population,21 patients with bilateral knee pain,29 patients with single knee pain and 20 normal runners were collected from January 2021 to July 2022.Full-length X-ray examination of both lower limbs in standing position was performed in all subjects.The lateral distal femoral angle,medial tibial proximal angle,joint line congruence angle,hip-knee-ankle angle,and knee physical valgus angle were measured and statistically analyzed. RESULTS AND CONCLUSION:There was no significant difference in the parameters between the left and right knees in each group(P>0.05).Compared with the normal group,no significant changes in lateral distal femoral angle,medial tibial proximal angle,joint line congruence angle,and hip-knee-ankle angle were observed in the single knee pain group and double knee pain group,while the knee physical valgus angle was significantly increased in these two groups(P<0.05).To conclude,increased knee physical valgus angle may be a risk factor for patellofemoral pain syndrome.