1.Treatment Principles and Paradigm of Diabetic Microvascular Complications Responding Specifically to Traditional Chinese Medicine
Anzhu WANG ; Xing HANG ; Lili ZHANG ; Xiaorong ZHU ; Dantao PENG ; Ying FAN ; Min ZHANG ; Wenliang LYU ; Guoliang ZHANG ; Xiai WU ; Jia MI ; Jiaxing TIAN ; Wei ZHANG ; Han WANG ; Yuan XU ; .LI PINGPING ; Zhenyu WANG ; Ying ZHANG ; Dongmei SUN ; Yi HE ; Mei MO ; Xiaoxiao ZHANG ; Linhua ZHAO
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(5):272-279
To explore the advantages of traditional Chinese medicine (TCM) and integrative TCM-Western medicine approaches in the treatment of diabetic microvascular complications (DMC), refine key pathophysiological insights and treatment principles, and promote academic innovation and strategic research planning in the prevention and treatment of DMC. The 38th session of the Expert Salon on Diseases Responding Specifically to Traditional Chinese Medicine, hosted by the China Association of Chinese Medicine, was held in Beijing, 2024. Experts in TCM, Western medicine, and interdisciplinary fields convened to conduct a systematic discussion on the pathogenesis, diagnostic and treatment challenges, and mechanism research related to DMC, ultimately forming a consensus on key directions. Four major research recommendations were proposed. The first is addressing clinical bottlenecks in the prevention and control of DMC by optimizing TCM-based evidence evaluation systems. The second is refining TCM core pathogenesis across DMC stages and establishing corresponding "disease-pattern-time" framework. The third is innovating mechanism research strategies to facilitate a shift from holistic regulation to targeted intervention in TCM. The fourth is advancing interdisciplinary collaboration to enhance the role of TCM in new drug development, research prioritization, and guideline formulation. TCM and integrative approaches offer distinct advantages in managing DMC. With a focus on the diseases responding specifically to TCM, strengthening evidence-based support and mechanism interpretation and promoting the integration of clinical care and research innovation will provide strong momentum for the modernization of TCM and the advancement of national health strategies.
2.Mechanism of Zuoguiwan in Inhibiting Osteoclast Activation Induced by Breast Cancer via Regulating p38 MAPK/ERK Signaling Pathway
Jianjiang FU ; Yinlong MEI ; Junchao MA ; Xiaocui ZHU ; Wei WANG ; Hong LYU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(1):1-9
ObjectiveTo investigate the effects of Zuoguiwan on osteoclast activation induced by breast cancer and its mechanism. MethodsTo simulate breast cancer-induced osteoclastic bone metastasis, RAW264.7 cells were cultured in conditioned medium containing 50% supernatant of MDA-MB-231 breast cancer cells. The dosages of Zuoguiwan used in the experiment were sera containing 5% and 10% Zuoguiwan. Tartrate-resistant acid phosphatase (TRAP) staining was used to detect osteoclast activation. Enzyme-linked immunosorbent assay (ELISA) was used to measure Cathepsin K secretion from RAW264.7 cells. Real-time quantitative polymerase chain reaction (PCR) was used to detect the mRNA expression levels of osteocalcin (OCN) and bone sialoprotein (BSP). Immunoprecipitation was employed to detect the interaction between Runt-related transcription factor 2 (Runx2) and core binding factor β subunit (CBF-β). Western blot was used to assess the protein expression of Runx2, phosphorylated Runx2 (p-Runx2), extracellular signal-regulated kinases 1/2 (ERK1/2), p-ERK1/2, p38 mitogen-activated protein kinase (MAPK), p-p38 MAPK, and CBF-β. ResultsCompared with the blank group, the MDA-MB-231 cell supernatant group showed a significant increase in TRAP-positive cell counts and Cathepsin K secretion. Meanwhile, the expression levels of p-Runx2, Runx2-CBF-β interaction, BSP and OCN mRNA, p-p38 MAPK, and p-ERK1/2 proteins were significantly decreased (P<0.01). Compared with the MDA-MB-231 cell supernatant group, Zuoguiwan-containing sera significantly reduced TRAP-positive cell counts and Cathepsin K secretion (P<0.01), significantly increased p-Runx2, BSP and OCN mRNA expression, as well as p-p38 MAPK and p-ERK1/2 protein levels, and promoted the interaction between Runx2 and CBF-β (P<0.01). No significant change in Runx2 expression was observed. Compared to the blank group, the BVD-523 group showed significantly lower expression of p-p38 MAPK and p-ERK1/2 proteins (P<0.01). Compared with the BVD-523 group, both low and high concentration Zuoguiwan-containing sera groups showed significantly higher p-p38 MAPK expression (P<0.01), and the high concentration Zuoguiwan group also exhibited a significant increase in p-ERK1/2 expression (P<0.01), while no statistical difference was found in the low-dose group. ConclusionZuoguiwan inhibits osteoclast activation by inducing phosphorylation of the key transcriptional regulator Runx2 in intra-osteoclast bone formation, and this process is closely associated with the activation of the p38 MAPK/ERK signaling pathway.
3.Efficacy of Guanxinning Tablets as an adjunctive treatment for coronary heart disease complicated by insomnia in older adult patients
Na HUANG ; Xiongsheng LYU ; Jianhua MEI
Chinese Journal of Primary Medicine and Pharmacy 2025;32(2):172-176
Objective:To investigate the efficacy of Guanxinning Tablets as an adjunctive treatment for coronary heart disease complicated by insomnia in older adult patients. Methods:A total of 80 patients with coronary heart disease complicated by insomnia, admitted to The Second People's Hospital of Lishui between December 2021 and December 2023, were selected for this study. A randomized, controlled trial design was used, with patients randomly assigned to either the control group or the observation group ( n = 40/group). The control group received conventional treatment along with basic sleep-promoting interventions, while the observation group received Guanxinning Tablets in addition to the treatment provided to the control group. The treatment duration for both groups was 8 weeks. The therapeutic effects, frequency and duration of angina attacks, Pittsburgh Sleep Quality Index score, Seattle Angina Questionnaire score, serum levels of interleukin-6, tumor necrosis factor-alpha, vascular endothelial growth factor, and the incidence of adverse reactions were compared between the two groups. Results:The clinical efficacy of the observation group was significantly better than that of the control group ( Z = 2.07, P < 0.05). After treatment, the frequency and duration of angina attacks in the observation group were (1.02 ± 0.31) times/d and (1.35 ± 0.27) min, both of which were significantly lower and shorter than those in the control group [(1.54 ± 0.40) times/d, (1.71 ± 0.36) min, t = -6.50, -5.06, both P < 0.05]. The Pittsburgh Sleep Quality Index score in the observation group was (5.93 ± 1.28), which was significantly lower than that in the control group [(7.33 ± 2.05), t = -3.66, P < 0.05]. The Seattle Angina Questionnaire scores for all dimensions in the observation group were higher than those in the control group ( t = 2.81, 2.30, 2.97, 4.76, 4.24, all P < 0.05). The levels of interleukin-6 and tumor necrosis factor-alpha in the observation group were (13.48 ± 3.60) mg/L and (15.53 ± 3.83) μg/L, respectively, both of which were significantly lower than those in the control group [(16.26 ± 4.51) mg/L, (20.38 ± 3.92) μg/L, t = -3.05, -5.60, both P < 0.05]. The vascular endothelial growth factor level in the observation group was (128.26 ± 16.67) ng/L, which was significantly higher than that in the control group [(105.78 ± 14.35) ng/L, t = 6.46, P < 0.05]. There was no significant difference in the incidence of adverse reactions between the two groups ( P > 0.05). Conclusions:Guanxinning Tablets, as an adjunctive treatment for coronary heart disease complicated by insomnia, can significantly improve outcomes in older adults by alleviating angina symptoms, enhancing sleep quality, and reducing inflammatory responses, without increasing the incidence of drug-related adverse reactions.
4.Mechanism of horizontal transfer of linezolid resistance gene optrA media-ted by plasmids in Enterococcus faecalis
Peini YANG ; Li CHEN ; Wei HE ; Xiuwei ZHAI ; Mei LYU ; Qing WANG ; Xu YANG
Chinese Journal of Infection Control 2025;24(1):67-76
Objective To study the horizontal transfer mechanism of optrA gene-carrying linezolid-resistant En-terococcus faecalis(LREf)among clinical Enterococcus faecalis mediated by plasmids.Methods Non-repeated LREf from a tertiary first-class hospital in Kunming City from August 2022 to August 2023 were collected and iden-tified by matrix-assisted laser desorption/ionisation-time of flight mass spectrometry(MALDI-TOF MS).Antimi-crobial susceptibility testing was performed by VITEK 2 Compact,disc diffusion method and microbroth dilution method,optrA gene was detected by polymerase chain reaction(PCR),molecular biology characteristics of LREf was analyzed by whole-genome sequencing(WGS),LREf as the donor strain and clinically isolated Enterococcus faecalis as the recipient strain for conjugation test.Results A total of 17 LREf strains were collected,optrA gene was detected from plasmids of 12 LREf strains.Multiple resistance genes and virulence genes were detected.12 LREf strains were mainly ST16 type(50.0%).Among the 24 transconjugates in the conjugation test,8 were suc-cessfully conjugated,with a conjugation rate of 33.3%.Further analysis revealed that IS1216E insertion sequences presented at upstream and downstream of the optrA gene on the plasmid before and after conjugation of strains,and formed IS1216E-fexA-optrA-erm(A)-IS1216E-like transposon units.Conclusion The optrA gene can be horizon-tally transferred among clinical Enterococcus faecalis by mediating of plasmid of genes carrying both erm(A)and fexA,and the insertion sequence IS1216E plays an important role in its horizontal transfer process.
5.Efficacy of Guanxinning Tablets as an adjunctive treatment for coronary heart disease complicated by insomnia in older adult patients
Na HUANG ; Xiongsheng LYU ; Jianhua MEI
Chinese Journal of Primary Medicine and Pharmacy 2025;32(2):172-176
Objective:To investigate the efficacy of Guanxinning Tablets as an adjunctive treatment for coronary heart disease complicated by insomnia in older adult patients. Methods:A total of 80 patients with coronary heart disease complicated by insomnia, admitted to The Second People's Hospital of Lishui between December 2021 and December 2023, were selected for this study. A randomized, controlled trial design was used, with patients randomly assigned to either the control group or the observation group ( n = 40/group). The control group received conventional treatment along with basic sleep-promoting interventions, while the observation group received Guanxinning Tablets in addition to the treatment provided to the control group. The treatment duration for both groups was 8 weeks. The therapeutic effects, frequency and duration of angina attacks, Pittsburgh Sleep Quality Index score, Seattle Angina Questionnaire score, serum levels of interleukin-6, tumor necrosis factor-alpha, vascular endothelial growth factor, and the incidence of adverse reactions were compared between the two groups. Results:The clinical efficacy of the observation group was significantly better than that of the control group ( Z = 2.07, P < 0.05). After treatment, the frequency and duration of angina attacks in the observation group were (1.02 ± 0.31) times/d and (1.35 ± 0.27) min, both of which were significantly lower and shorter than those in the control group [(1.54 ± 0.40) times/d, (1.71 ± 0.36) min, t = -6.50, -5.06, both P < 0.05]. The Pittsburgh Sleep Quality Index score in the observation group was (5.93 ± 1.28), which was significantly lower than that in the control group [(7.33 ± 2.05), t = -3.66, P < 0.05]. The Seattle Angina Questionnaire scores for all dimensions in the observation group were higher than those in the control group ( t = 2.81, 2.30, 2.97, 4.76, 4.24, all P < 0.05). The levels of interleukin-6 and tumor necrosis factor-alpha in the observation group were (13.48 ± 3.60) mg/L and (15.53 ± 3.83) μg/L, respectively, both of which were significantly lower than those in the control group [(16.26 ± 4.51) mg/L, (20.38 ± 3.92) μg/L, t = -3.05, -5.60, both P < 0.05]. The vascular endothelial growth factor level in the observation group was (128.26 ± 16.67) ng/L, which was significantly higher than that in the control group [(105.78 ± 14.35) ng/L, t = 6.46, P < 0.05]. There was no significant difference in the incidence of adverse reactions between the two groups ( P > 0.05). Conclusions:Guanxinning Tablets, as an adjunctive treatment for coronary heart disease complicated by insomnia, can significantly improve outcomes in older adults by alleviating angina symptoms, enhancing sleep quality, and reducing inflammatory responses, without increasing the incidence of drug-related adverse reactions.
6.Diagnostic value of cardiac color Doppler ultrasound for left ventricular hypertrophy complicated left heart failure
Qun-xing LYU ; Song-mei ZHANG ; Peng-sheng LIN ; Tan-shou CHEN
Chinese Journal of cardiovascular Rehabilitation Medicine 2025;34(2):184-189
Objective:To explore the diagnostic value of cardiac color Doppler ultrasonography for left ventricular hypertrophy(LVH)complicated left heart failure(LHF).Methods:A total of 117 LVH patients complicated LHF admitted in Ningde City Hospital Affiliated to Ningde Normal College between January 2019 and January 2023(heart failure group)and 100 healthy people(control group)who underwent general physical examination in our hospital simultaneously were selected for the study.Left ventricular ejection fraction(LVEF),left atrial diameter(LAD),left ventricular end-diastolic diameter(LVEDd),early diastolic peak flow velocity/late diastolic peak flow velocity(E/A)were measured by cardiac color Doppler ultrasound in two groups.Receiver operating charac-teristic(ROC)curve was used to analyze the diagnostic value of cardiac color Doppler ultrasound indexes for LVH complicated LHF.In addition,the 117 patients with LVH and LHF were divided into mild group(n=54)and moderate to severe group(n=63)according to cardiac function class.Spearman correlation analysis was used to an-alyze the associationof cardiac color ultrasound parameters with cardiac function class.Results:Compared with par-ticipants in control group,those in heart failure group had significant lower LVEF[(47.88±4.75)% vs.(69.81±5.64)%],and significant higher LAD[(44.03±4.88)mm vs.(27.56±2.76)mm vs.],LVEDd[(55.68±5.04)mm vs.(42.19±1.38)mm],E/A[(13.04±3.58)vs.(6.60±1.67)](P<0.001 all).ROC analysis indicated that the area under the curve(AUC)of the combination of various parameters of cardiac ultrasound for diagnosing LVH with LHF was significantly higher than those of the single tests(Combined detection:AUC=0.901,95%CI 0.853~0.937 vs LVEF:AUC=0.644,95%CI 0.577~0.708,LAD:AUC=0.703,95%CI 0.637~0.763,LVEDd:AUC=0.633,95%CI 0.565~0.697,E/A:AUC=0.748,95%CI 0.685~0.804,Z=7.062,5.764,7.292,4.864,P<0.001 all).Compared with patients in mild group,those in moderate to severe group had signifi-cant lower LVEF[(45.67±3.37)% vs.(50.47±4.86)%],and significant higher LAD[(46.31±4.42)mm vs.(41.36±3.98)mm],LVEDd[(60.09±1.75)mm vs.(50.53±1.41)mm]and E/A[(13.99±2.96)vs.(11.93±3.92)](P<0.01 all).Spearman correlation analysis indicated that LVEF was negatively correlated with cardiac function class(r=-0.474),while LAD(r=0.511),LVEDd(r=0.863),E/A(r=0.269)were positively corre-lated with cardiac function class(P<0.01 all).Conclusion:Cardiac color Doppler ultrasound could better diagnose LVH complicated LHF,and also could effectively predict the cardiac function of patients with LVH and LHF.
7.Clinical evaluation of extracorporeal cardiopulmonary resuscitation in acute myocardial infarction with in-hospital cardiac arrest
Huazhong ZHANG ; Zhongman ZHANG ; Yong MEI ; Jinru LYU ; Deliang HU ; Feng SUN ; Wei LI ; Gang ZHANG ; Xufeng CHEN
Chinese Journal of Emergency Medicine 2025;34(11):1554-1559
Objective:To summarize the experience and effect of extracorporeal cardiopulmonary resuscitation (ECPR) in acute myocardial infarction (AMI) with in-hospital cardiac arrest (IHCA).Methods:The data of 70 patients with AMI-IHCA-ECPR in extracorporeal life support center of the first affiliated hospital of Nanjing medical university from January 2017 to December 2024 were retrospectively analyzed. The patients were grouped by Survival/death at 90 days, with/without combined intra-aortic balloon pump (IABP). Age, sex, Charlson comorbidity index, initial rhythm, Gensini score, ECPR initial blood gas pH and lactate value, no-flow time, time from cardiac arrest to extracorporeal membrane oxygenation (ECMO) initiation (CA-Pump On time), ECMO treatment time, 90-day survival rate were analyzed.Results:Among the 70 patients with AMI-IHCA-ECPR, 22 (31.4%) patients survived at 90 days, of whom 19 (86.4%) patients had good neurological outcomes. About 50% of AMI-IHCA-ECPR patients had severe multi-vessel coronary artery lesions, and there was no significant difference in survival outcomes among different vascular lesions. In the IABP group, the success rate of ECMO withdrawal was low, the duration of ECMO treatment was long, and the combination of IABP did not reduce the mortality. Compared with the death group, the 90-day survival group had a lower Gensini score, a higher ECPR initial blood gas pH and a lower lactic acid value.Conclusions:AMI-IHCA-ECPR combined with IABP did not show significant survival benefits, and about 50% of patients had severe lesions of multiple coronary arteries. It is difficult to evaluate the prognosis based on a single offender vessel. It is recommended to evaluate the outcome of patients by quantification of the severity of coronary artery lesions by Gensini score.
8.Diagnostic value of cardiac color Doppler ultrasound for left ventricular hypertrophy complicated left heart failure
Qun-xing LYU ; Song-mei ZHANG ; Peng-sheng LIN ; Tan-shou CHEN
Chinese Journal of cardiovascular Rehabilitation Medicine 2025;34(2):184-189
Objective:To explore the diagnostic value of cardiac color Doppler ultrasonography for left ventricular hypertrophy(LVH)complicated left heart failure(LHF).Methods:A total of 117 LVH patients complicated LHF admitted in Ningde City Hospital Affiliated to Ningde Normal College between January 2019 and January 2023(heart failure group)and 100 healthy people(control group)who underwent general physical examination in our hospital simultaneously were selected for the study.Left ventricular ejection fraction(LVEF),left atrial diameter(LAD),left ventricular end-diastolic diameter(LVEDd),early diastolic peak flow velocity/late diastolic peak flow velocity(E/A)were measured by cardiac color Doppler ultrasound in two groups.Receiver operating charac-teristic(ROC)curve was used to analyze the diagnostic value of cardiac color Doppler ultrasound indexes for LVH complicated LHF.In addition,the 117 patients with LVH and LHF were divided into mild group(n=54)and moderate to severe group(n=63)according to cardiac function class.Spearman correlation analysis was used to an-alyze the associationof cardiac color ultrasound parameters with cardiac function class.Results:Compared with par-ticipants in control group,those in heart failure group had significant lower LVEF[(47.88±4.75)% vs.(69.81±5.64)%],and significant higher LAD[(44.03±4.88)mm vs.(27.56±2.76)mm vs.],LVEDd[(55.68±5.04)mm vs.(42.19±1.38)mm],E/A[(13.04±3.58)vs.(6.60±1.67)](P<0.001 all).ROC analysis indicated that the area under the curve(AUC)of the combination of various parameters of cardiac ultrasound for diagnosing LVH with LHF was significantly higher than those of the single tests(Combined detection:AUC=0.901,95%CI 0.853~0.937 vs LVEF:AUC=0.644,95%CI 0.577~0.708,LAD:AUC=0.703,95%CI 0.637~0.763,LVEDd:AUC=0.633,95%CI 0.565~0.697,E/A:AUC=0.748,95%CI 0.685~0.804,Z=7.062,5.764,7.292,4.864,P<0.001 all).Compared with patients in mild group,those in moderate to severe group had signifi-cant lower LVEF[(45.67±3.37)% vs.(50.47±4.86)%],and significant higher LAD[(46.31±4.42)mm vs.(41.36±3.98)mm],LVEDd[(60.09±1.75)mm vs.(50.53±1.41)mm]and E/A[(13.99±2.96)vs.(11.93±3.92)](P<0.01 all).Spearman correlation analysis indicated that LVEF was negatively correlated with cardiac function class(r=-0.474),while LAD(r=0.511),LVEDd(r=0.863),E/A(r=0.269)were positively corre-lated with cardiac function class(P<0.01 all).Conclusion:Cardiac color Doppler ultrasound could better diagnose LVH complicated LHF,and also could effectively predict the cardiac function of patients with LVH and LHF.
9.Conserved translational control in cardiac hypertrophy revealed by ribosome profiling.
Bao-Sen WANG ; Jian LYU ; Hong-Chao ZHAN ; Yu FANG ; Qiu-Xiao GUO ; Jun-Mei WANG ; Jia-Jie LI ; An-Qi XU ; Xiao MA ; Ning-Ning GUO ; Hong LI ; Zhi-Hua WANG
Acta Physiologica Sinica 2025;77(5):757-774
A primary hallmark of pathological cardiac hypertrophy is excess protein synthesis due to enhanced translational activity. However, regulatory mechanisms at the translational level under cardiac stress remain poorly understood. Here we examined the translational regulations in a mouse cardiac hypertrophy model induced by transaortic constriction (TAC) and explored the conservative networks versus the translatome pattern in human dilated cardiomyopathy (DCM). The results showed that the heart weight to body weight ratio was significantly elevated, and the ejection fraction and fractional shortening significantly decreased 8 weeks after TAC. Puromycin incorporation assay showed that TAC significantly increased protein synthesis rate in the left ventricle. RNA-seq revealed 1,632 differentially expressed genes showing functional enrichment in pathways including extracellular matrix remodeling, metabolic processes, and signaling cascades associated with pathological cardiomyocyte growth. When combined with ribosome profiling analysis, we revealed that translation efficiency (TE) of 1,495 genes was enhanced, while the TE of 933 genes was inhibited following TAC. In DCM patients, 1,354 genes were upregulated versus 1,213 genes were downregulated at the translation level. Although the majority of the genes were not shared between mouse and human, we identified 93 genes, including Nos3, Kcnj8, Adcy4, Itpr1, Fasn, Scd1, etc., with highly conserved translational regulations. These genes were remarkably associated with myocardial function, signal transduction, and energy metabolism, particularly related to cGMP-PKG signaling and fatty acid metabolism. Motif analysis revealed enriched regulatory elements in the 5' untranslated regions (5'UTRs) of transcripts with differential TE, which exhibited strong cross-species sequence conservation. Our study revealed novel regulatory mechanisms at the translational level in cardiac hypertrophy and identified conserved translation-sensitive targets with potential applications to treat cardiac hypertrophy and heart failure in the clinic.
Animals
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Humans
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Cardiomegaly/physiopathology*
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Ribosomes/physiology*
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Protein Biosynthesis/physiology*
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Mice
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Cardiomyopathy, Dilated/genetics*
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Ribosome Profiling
10.Influenza vaccination on preventing the respiratory tract infection in preschool children
Mei LYU ; Zhen WANG ; Yu' ; e WANG ; Liyun FANG ; Yang YANG
Journal of Public Health and Preventive Medicine 2025;36(4):73-76
Objective To explore the effect of influenza vaccination on the prevention of respiratory tract infection in preschool children. Methods The clinical data of 400 preschool children (1-6 years old) who were diagnosed with respiratory tract infection for the first time in department of pediatrics of Xi'an Third Hospital and second department of respiratory medicine of Xi'an Children's Hospital were retrospectively analyzed from January 2023 to December 2023, including acute bronchitis, upper respiratory tract infection and pneumonia. According to the actual influenza vaccination status, the patients were divided into vaccination group (n=210) and non-vaccination group (n=190). The incidence of respiratory tract infection was compared between both groups. The fever duration, average course of disease, hospitalization rate, clinical symptoms scores (fever, cough, nasal congestion, sore throat), inflammation indicators [C-reactive protein (CRP), white blood cell count (WBC), neutrophil percentage (NE%)] and recurrence rate after 6 months of follow-up were compared. Results The incidence of respiratory tract infection in the vaccination group was significantly lower than that in the non-vaccination group (21.43% vs 43.16%, P<0.05), and the hospitalization rate was significantly lower compared with that in the non-vaccination group (P<0.05). The scores of fever, cough, nasal congestion and sore throat were lower in the vaccination group than those in the non-vaccination group (P<0.05), and the CRP, WBC and NE% were significantly lower compared to the non-vaccination group (P<0.05). After 6 months of follow-up, the recurrence rate in the vaccination group was 11.11% (5/45), which was significantly lower than 26.83% (22/82) in the non-vaccination group (χ2=0.038, P=4.288<0.05). Conclusion Influenza vaccination can effectively reduce the incidence of respiratory tract infection in preschool children, relieve the symptoms and shorten the disease course after infection. Its preventive effect on influenza is particularly significant, suggesting the importance of strengthening influenza vaccination in preschool children.


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