1.Clinical Observation and Mechanism Study of Xu's Shenqi Yizhu Decoction Combined with Chemotherapy in the Treatment of Cancer-related Fatigue of Stagnated-toxin Spleen Deficiency Type in Postoperative Gastric Cancer Patients
Zhixiang SHEN ; Weimin LU ; Chuan SHI ; Mengwei YE ; Mengyuan LEI ; Ziyun LIU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(8):143-151
ObjectiveTo evaluate the clinical efficacy of Xu's Shenqiyizhu (SQYZ) decoction combined with chemotherapy in the treatment of cancer-related fatigue (CRF) of stagnated-toxin spleen deficiency type after gastric cancer surgery and explore its possible mechanism. MethodsFifty postoperative gastric cancer patients with CRF of stagnated-toxin spleen deficiency type were selected and randomly divided into an experimental group and a control group by using a random number table,with 25 cases in each group. The control group was treated with FLOT chemotherapy (50 mg·m-2 docetaxel (iv drip on day 1) + 85 mg·m-2 oxaliplatin (iv drip on day 1) + 200 mg·m-2 calcium folinate (iv drip on day 1) + 2 600 mg·m-2 fluorouracil (iv drip for 24 h on day 1),once every three weeks) and basic and symptomatic supportive treatment. The experimental group was treated with Xu's SQYZ decoction (decocted twice,200 mL taken orally twice a day) in addition to the treatment of the control group. One course of treatment lasted for three weeks,with a total of four courses conducted. Observation was performed on the piper fatigue scale (PFS) scores,karnofsky performance status (KPS) scores,European Organization for Research and Treatment of cancer quality of life questionnaire (EORTC QLQ-C30) scores,traditional Chinese medicine syndrome scores,and serum levels of tumor necrosis factor-α (TNF-α),interferon-γ (IFN-γ),and interleukin-6 (IL-6)detected via enzyme linked immunosorbent assay (ELISA) before and after treatment in the two groups. The safety test results before and after treatment for the two groups of patients,as well as the occurrence of adverse events during treatment, were recorded. Transcriptome sequencing data of peripheral blood samples from gastric adenocarcinoma patients and normal individuals were downloaded from the gene expression omnibus (GEO) database,and differentially expressed genes between the tumor and normal groups were identified. Differential gene enrichment analysis was made based on the Kyoto Encyclopedia of Genes and Genomes (KEGG) and Gene Ontology (GO). The CRF relevance scores of genes were retrieved from the GeneCards database. Results① Compared with that before treatment,the total PFS score in the experimental group was significantly reduced (P<0.05). Compared with the control group after treatment,the experimental group showed significantly reduced total PFS score (P<0.05). ② Compared with that before treatment,the KPS score in the experimental group decreased significantly (P<0.05). Compared with the control group after treatment,the experimental group exhibited a significantly decreased KPS score (P<0.05). The experimental group demonstrated significantly increased functional scores (physical function,role function,emotional function,social function,and overall health) (P<0.05) and significantly reduced symptom scores (fatigue,shortness of breath,loss of appetite,constipation,and diarrhea) of the EORTC QLQ-C30 scale after treatment compared with before treatment. Compared with the control group after treatment,the experimental group presented significantly increased functional scores (physical function,emotional function,social function,and overall health) (P<0.05) and significantly reduced symptom scores (fatigue,nausea and vomiting,shortness of breath,loss of appetite,and diarrhea) of the EORTC QLQ-C30 scale (P<0.05). Compared with those before treatment,the traditional Chinese medicine syndrome scores (eating too little and poor digestion,fatigue and weakness,postprandial bloating,abnormal bowel movements,lassitude and weakness,and total score) in the experimental group were significantly reduced (P<0.05). Compared with the control group after treatment,the experimental group had significantly reduced traditional Chinese medicine syndrome scores (eating too little and poor digestion,fatigue and weakness,nausea and vomiting,and sallow complexion) (P<0.05), which indicated better efficacy in the experimental group than in the control group (χ2=7.996,P<0.05). The serum levels of TNF-α,IL-6,and IFN-γ were significantly correlated with each other (P<0.01). Compared with those before treatment,the levels of serum cytokines TNF-α,IL-6,and IFN-γ in the experimental group were significantly reduced (P<0.05). Compared with the control group after treatment,the experimental group showed significantly reduced serum levels of cytokines TNF-α,IL-6,and IFN-γ (P<0.05). ③ There were no significant intra-group and inter-group differences in the safety test results of the two groups before and after treatment. During the treatment period,there was no significant difference in the incidence of adverse reactions between the two groups of patients. ④ Compared with the normal group,the tumor group exhibited a total of 328 significantly up-regulated genes in the peripheral blood (P<0.05),and KEGG and GO analyses showed that they were significantly enriched in signaling pathways such as TNF (P<0.05). ⑤ TNF,IL6,IFNG, and other cytokine encoding genes may be key pathogenic genes for CRF. ConclusionXu's SQYZ decoction can alleviate symptoms such as fatigue in postoperative chemotherapy patients with gastric cancer and improve their functional status and quality of life. Its mechanism may be related to improving cytokine imbalance.
2.Changes in coordination of departments for major epidemic prevention and control in China before and after the outbreak of COVID-19: an analysis on official documents
Zhonghui HE ; Peiwu SHI ; Qunhong SHEN ; Zheng CHEN ; Chuan PU ; Lingzhong XU ; Zhi HU ; Anning MA ; Tianqiang XU ; Panshi WANG ; Hua WANG ; Qingyu ZHOU ; Chengyue LI ; Mo HAO
Shanghai Journal of Preventive Medicine 2025;37(5):446-450
ObjectiveTo analyze the changes in the degree of coordination of China's major epidemic prevention and control efforts before and after the outbreak of the Corona Virus Disease 2019 (COVID-19), so as to explore the impact of epidemic prevention and control measures on coordination dynamics. MethodsA total of 3 864 policy documents related to epidemic prevention and control from January 2000 to December 2020 across 31 provinces (autonomous regions, and municipalities) in China were systematically collected. Contents specific to collaborative and cooperative efforts were extracted, and the extent of interdepartmental coordination were quantified to assess the effectiveness of epidemic prevention and control efforts. Wilcoxon signed-rank test was adopted to statistically analyze the differences between the indicators before and after the epidemic. ResultsThe average overall coordination level for major epidemic prevention and control in 31 provinces (autonomous regions, and municipalities) increased from 43.06% to 97.62%, and the average coordination levels in the eastern, central, and western China soared from 42.29%, 37.50%, and 47.46%, to 98.81%, 96.20%, and 97.46%, respectively, with statistically significant differences (all P<0.05). In terms of department categorization, coordination levels in the professional departments and the key support departments peaked at 100.00%, while other support departments rose to 95.43%, with an increase of 77.15%, 181.85%, and 139.89%, respectively, exhibiting noteworthy statistically significant differences (all P<0.001). ConclusionThe scope of coordination departments of China’s major epidemic prevention and control exists a remarkable surge following the COVID-19 outbreak, notable heightened coordination is particularly observed among the key support departments. Future endeavors should prioritize the roles played by diverse departments in epidemic prevention and control, enhancing both the clarity of departmental responsibilities and the effectiveness of interdepartmental coordination.
3.A systematic evaluation of the public health governance capacity of 40 cities in Jiangsu, Zhejiang, and Anhui Provinces
Huayi ZHANG ; Qingyu ZHOU ; Huihui HUANGFU ; Peiwu SHI ; Qunhong SHEN ; Chaoyang ZHANG ; Zheng CHEN ; Chuan PU ; Lingzhong XU ; Anning MA ; Zhaohui GONG ; Tianqiang XU ; Panshi WANG ; Hua WANG ; Chao HAO ; Zhi HU ; Chengyue LI ; Mo HAO
Shanghai Journal of Preventive Medicine 2025;37(5):451-457
ObjectiveTo systematically evaluate the public health governance capacity of 40 cities in Jiangsu, Zhejiang, and Anhui Provinces, providing a scientific evaluation basis for building a "Healthy Yangtze River Delta". MethodsA comprehensive collection of policy documents, public information reports, and research literature related to public health governance capacity in Jiangsu, Zhejiang, and Anhui Provinces was conducted, totaling 6 920 policy documents, 1 720 information reports, and 1 200 literature pieces. Based on the evaluation standards for an appropriate public health system established by the research team, the basic status of public health governance capacity was assessed to identify the strengths and weaknesses of the 40 cities. ResultsIn 2022, the public health governance capacity score for the 40 cities in Jiangsu, Zhejiang, and Anhui Provinces was (562.5±38.0) points. In terms of specific areas, the emergency response field received the highest score of (791.4±49.7) points, while the chronic disease prevention and control field received the lowest score of (368.2±29.6) points. The Jiangsu-Zhejiang-Anhui region has largely achieved the strategic priority of health, gradually improved public health legal regulations, and established a basic organizational framework with a solid foundation for information and data infrastructure. However, challenges still need to be addressed, such as unstable government funding for public health, unclear departmental responsibilities, and barriers to information interoperability. ConclusionThe public health governance capacity of the 40 cities in Jiangsu, Zhejiang, and Anhui Province has been at a moderate level, but disparities have still existed across regions and fields. In the future, while continuing to deepen existing advantages, it is essential to accurately identify the causes of problems, establish a long-term and stable investment mechanism, enhance information connectivity mechanisms, further clarify departmental responsibilities, and promote the achievement of the "Healthy Yangtze River Delta" goal.
4.Construction and evaluation of a "disease-syndrome combination" prediction model for pulmonary nodules based on oral microbiomics
Yifeng REN ; Shiyan TAN ; Qiong MA ; Qian WANG ; Liting YOU ; Wei SHI ; Chuan ZHENG ; Jiawei HE ; Fengming YOU
Chinese Journal of Clinical Thoracic and Cardiovascular Surgery 2025;32(08):1105-1114
Objective To construct a "disease-syndrome combination" mathematical representation model for pulmonary nodules based on oral microbiome data, utilizing a multimodal data algorithm framework centered on dynamic systems theory. Furthermore, to compare predictive models under various algorithmic frameworks and validate the efficacy of the optimal model in predicting the presence of pulmonary nodules. Methods A total of 213 subjects were prospectively enrolled from July 2022 to March 2023 at the Hospital of Chengdu University of Traditional Chinese Medicine, Sichuan Cancer Hospital, and the Chengdu Integrated Traditional Chinese and Western Medicine Hospital. This cohort included 173 patients with pulmonary nodules and 40 healthy subjects. A novel multimodal data algorithm framework centered on dynamic systems theory, termed VAEGANTF (Variational Auto Encoder-Generative Adversarial Network-Transformer), was proposed. Subsequently, based on a multi-dimensional integrated dataset of “clinical features-syndrome elements-microorganisms”, all subjects were divided into training (70%) and testing (30%) sets for model construction and efficacy testing, respectively. Using pulmonary nodules as dependent variables, and combining candidate markers such as clinical features, lesion location, disease nature, and microbial genera, the independent variables were screened based on variable importance ranking after identifying and addressing multicollinearity. Missing values were then imputed, and data were standardized. Eight machine learning algorithms were then employed to construct pulmonary nodule risk prediction models: random forest, least absolute shrinkage and selection operator (LASSO) regression, support vector machine, multilayer perceptron, eXtreme Gradient Boosting (XGBoost), VAE-ViT (Vision Transformer), GAN-ViT, and VAEGANTF. K-fold cross-validation was used for model parameter tuning and optimization. The efficacy of the eight predictive models was evaluated using confusion matrices and receiver operating characteristic (ROC) curves, and the optimal model was selected. Finally, goodness-of-fit testing and decision curve analysis (DCA) were performed to evaluate the optimal model. Results There were no statistically significant differences between the two groups in demographic characteristics such as age and sex. The 213 subjects were randomly divided into training and testing sets (7 : 3), and prediction models were constructed using the eight machine learning algorithms. After excluding potential problems such as multicollinearity, a total of 301 clinical feature information, syndrome elements, and microbial genera markers were included for model construction. The area under the curve (AUC) values of the random forest, LASSO regression, support vector machine, multilayer perceptron, and VAE-ViT models did not reach 0.85, indicating poor efficacy. The AUC values of the XGBoost, GAN-ViT, and VAEGANTF models all reached above 0.85, with the VAEGANTF model exhibiting the highest AUC value (AUC=0.923). Goodness-of-fit testing indicated good calibration ability of the VAEGANTF model, and decision curve analysis showed a high degree of clinical benefit. The nomogram results showed that age, sex, heart, lung, Qixu, blood stasis, dampness, Porphyromonas genus, Granulicatella genus, Neisseria genus, Haemophilus genus, and Actinobacillus genus could be used as predictors. Conclusion The “disease-syndrome combination” risk prediction model for pulmonary nodules based on the VAEGANTF algorithm framework, which incorporates multi-dimensional data features of “clinical features-syndrome elements-microorganisms”, demonstrates better performance compared to other machine learning algorithms and has certain reference value for early non-invasive diagnosis of pulmonary nodules.
5.Research Progress on Mechanism of NAD+ Metabolic Remodeling in Occurrence and Development of Glioblastoma Multiforme
Jiajia CHE ; Jinyuan DU ; Junhao BAO ; Xiting PAN ; Chengwen WANG ; Chuan XU ; Ying SHI
Cancer Research on Prevention and Treatment 2025;52(10):861-868
Gliomas, especially high-grade gliomas such as glioblastoma multiforme (GBM), are primary malignant tumors of the central nervous system, characterized by high proliferative capacity, invasiveness, and therapeutic resistance. The development of GBM relies heavily on continuous metabolic reprogramming to adapt to the unique intracranial microenvironment, with nicotinamide adenine dinucleotide (NAD+) metabolic remodeling playing a pivotal role. Dysregulation of NAD+ and its associated metabolic pathways sustains increased intracellular NAD+ levels, which drive the malignant proliferation and invasive potential of GBM, correlating with worsened patient prognosis. This review systematically summarizes the current research landscape of NAD+ metabolic remodeling in GBM, elucidates the mechanisms by which NAD+ contributes to GBM pathogenesis and progression, and explores the clinical potential of NAD+-targeted diagnostic and therapeutic strategies to provide novel insights and directions for the clinical management of GBM.
6.Effect of LAG3 molecule on B lymphocyte subsets and its function in the liver of mice infected with Echinococcus multilocularis
Xu-Ran ZHENG ; Bing-Qing DENG ; Xue-Jiao KANG ; Yin-Shi LI ; Ainiwaer ABIDAN ; Qian YU ; Rousu ZIBIGU ; Duolikun ADILAI ; Mao-Lin WANG ; Hui WANG ; Chuan-Shan ZHANG ; Jing LI
Chinese Journal of Zoonoses 2024;40(6):529-536
This study was aimed at investigating the effect of lymphocyte activation gene-3(LAG3)on liver B lymphocyte subsets and their functions in WT and LAG3-KO mice infected with Echinococcus multilocularis(E.multilocularis).In a mouse model of E.multilocularis infection,the expression and localization of CD19 and α-SMA in liver were detected by immu nohistochemistry.CD80,CD86 and MHC-Ⅱ molecules expressed on B cells and their subsets in mice liver were detected by flow cytometry.After 12 weeks of infection,the area and percentage of CD19 in LAG3-KO group was slightly higher than that in WT group,but the difference was not statistically(t=-1.241、-1.237,P>0.05).The area and percentage of a-SMA in LAG3-KO group was higher than that in WT group(t=-3.224、-3.227,P<0.05).The proportion of CD80 and MHC-Ⅱ molecules expressed on liver B cells in LAG3-KO group was up-regulated(t=-2.379,-3.321,P<0.05).The percentage of liver B2 cells in LAG3-KO group was higher than that in WT group(t=-2.695,P<0.05).The expression of CD80 on Blb cells in LAG3-KO group was significantly up-regulated(t=-5.315,P<0.001).The proportion of CD80 of B2 cells in LAG3-KO group was lower than that in WT group(t=2.806,P<0.05).The expression of MHC-Ⅱ molecule in B2 cells in LAG3-KO group was up-regulated(t=-4.227,P<0.01).It is suggested that LAG3 molecules affected the B cell subsets and func-tion of mouse liver in the middle stage of E.multilocularis infection,especially B2 lymphocytes.LAG3 molecule exerted an in-hibitory effect on the activation of B cells and the expression of MHC-class Ⅱ molecules,suggesting that it may be involved in B cell exhaustion caused by E.multilocularis.
7.Cornus officinalis with high pressure wine steaming enhanced anti-hepatic fibrosis:Possible through SIRT3-AMPK axis
Han XIN ; Ning YAN ; Dou XINYUE ; Wang YIWEN ; Shan QIYUAN ; Shi KAO ; Wang ZEPING ; Ding CHUAN ; Hao MIN ; Wang KUILONG ; Peng MENGYUN ; Kuang HAODAN ; Yang QIAO ; Sang XIANAN ; Cao GANG
Journal of Pharmaceutical Analysis 2024;14(5):758-771
Cornus officinalis,a medicinal and edible plant known for its liver-nourishing properties,has shown promise in inhibiting the activation of hepatic stellate cells(HSCs),crucial indicators of hepatic fibrosis,especially when processed by high pressure wine steaming(HPWS).Herein,this study aims to investigate the regulatory effects of cornus officinalis,both in its raw and HPWS forms,on inflammation and apoptosis in liver fibrosis and their underlying mechanisms.In vivo liver fibrosis models were established by subcutaneous injection of CCl4,while in vitro HSCs were exposed to transforming growth factor-β(TGF-β).These findings demonstrated that cornus officinalis with HPWS conspicuously ameliorated his-topathological injury,reduced the release of proinflammatory factors,and decreased collagen deposition in CCl4-induced rats compared to its raw form.Utilizing ultra-high-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometer(UHPLC-QTOF-MS)combined with network analysis,we identified that the pharmacological effects of the changed components of cornus officinalis before and after HPWS,primarily centered on the adenosine phosphate(AMP)-activated protein kinase(AMPK)pathway.Of note,cornus officinalis activated AMPK and sirtuin 3(SIRT3),promoting the apoptosis of activated HSCs through the caspase cascade by regulating caspase3,caspase6 and caspase9.small interfering RNA(siRNA)experiments showed that cornus officinalis could regulate AMPK activity and its mediated-apoptosis through SIRT3.In conclusion,cornus officinalis exhibited the ability to reduce inflammation and apoptosis,with the SIRT3-AMPK signaling pathway identified as a potential mecha-nism underlying the synergistic effect of cornus officinalis with HPWS on anti-liver fibrosis.
8.A multicenter study of neonatal stroke in Shenzhen,China
Li-Xiu SHI ; Jin-Xing FENG ; Yan-Fang WEI ; Xin-Ru LU ; Yu-Xi ZHANG ; Lin-Ying YANG ; Sheng-Nan HE ; Pei-Juan CHEN ; Jing HAN ; Cheng CHEN ; Hui-Ying TU ; Zhang-Bin YU ; Jin-Jie HUANG ; Shu-Juan ZENG ; Wan-Ling CHEN ; Ying LIU ; Yan-Ping GUO ; Jiao-Yu MAO ; Xiao-Dong LI ; Qian-Shen ZHANG ; Zhi-Li XIE ; Mei-Ying HUANG ; Kun-Shan YAN ; Er-Ya YING ; Jun CHEN ; Yan-Rong WANG ; Ya-Ping LIU ; Bo SONG ; Hua-Yan LIU ; Xiao-Dong XIAO ; Hong TANG ; Yu-Na WANG ; Yin-Sha CAI ; Qi LONG ; Han-Qiang XU ; Hui-Zhan WANG ; Qian SUN ; Fang HAN ; Rui-Biao ZHANG ; Chuan-Zhong YANG ; Lei DOU ; Hui-Ju SHI ; Rui WANG ; Ping JIANG ; Shenzhen Neonatal Data Network
Chinese Journal of Contemporary Pediatrics 2024;26(5):450-455
Objective To investigate the incidence rate,clinical characteristics,and prognosis of neonatal stroke in Shenzhen,China.Methods Led by Shenzhen Children's Hospital,the Shenzhen Neonatal Data Collaboration Network organized 21 institutions to collect 36 cases of neonatal stroke from January 2020 to December 2022.The incidence,clinical characteristics,treatment,and prognosis of neonatal stroke in Shenzhen were analyzed.Results The incidence rate of neonatal stroke in 21 hospitals from 2020 to 2022 was 1/15 137,1/6 060,and 1/7 704,respectively.Ischemic stroke accounted for 75%(27/36);boys accounted for 64%(23/36).Among the 36 neonates,31(86%)had disease onset within 3 days after birth,and 19(53%)had convulsion as the initial presentation.Cerebral MRI showed that 22 neonates(61%)had left cerebral infarction and 13(36%)had basal ganglia infarction.Magnetic resonance angiography was performed for 12 neonates,among whom 9(75%)had involvement of the middle cerebral artery.Electroencephalography was performed for 29 neonates,with sharp waves in 21 neonates(72%)and seizures in 10 neonates(34%).Symptomatic/supportive treatment varied across different hospitals.Neonatal Behavioral Neurological Assessment was performed for 12 neonates(33%,12/36),with a mean score of(32±4)points.The prognosis of 27 neonates was followed up to around 12 months of age,with 44%(12/27)of the neonates having a good prognosis.Conclusions Ischemic stroke is the main type of neonatal stroke,often with convulsions as the initial presentation,involvement of the middle cerebral artery,sharp waves on electroencephalography,and a relatively low neurodevelopment score.Symptomatic/supportive treatment is the main treatment method,and some neonates tend to have a poor prognosis.
9.Meta-analysis on the incidence of healthcare-associated infection in adult cases with intestinal carbapenem-resistant Enterobacterales colonization
Yin-Mei LIU ; Xin WANG ; Hui-Ying YANG ; Ju-Mei SHI ; Ying-Chuan LI
Chinese Journal of Infection Control 2024;23(5):592-599
Objective To systematically evaluate the incidence of healthcare-associated infection(HAI)in adult cases with carbapenem-resistant Enterobacterales(CRE)colonization in intestine,and provide referential basis for the prevention and control of HAI in cases colonized with CRE intestinally.Methods Literatures on the incidence of HAI in cases with intestinal CRE colonization were retrieved from 8 databases,including Embase,Cochrane,PubMed,Web of Science,CNKI,Wanfang,VIP,and China Biomedical Literature Database(CBM),dating back from the establishment of the databases to June 2023.Meta-analysis was conducted by Stata 17.0 software.Stabili-ty of the research results was evaluated by sensitivity analysis,and publication bias was evaluated by Egger's test.Results A total of 16 articles were included in the study,with in total 2 151 cases from 5 Chinese articles and 11 English articles.Meta-analysis results showed that the incidence of HAI in adult cases with intestinal CRE coloniza-tion was 23.1%(95%CI:14.8%-32.5%).Subgroup analysis was conducted based on grouping factors,such as different research design types,publication years,as well as research regions,departments,and infection sites.The differences in the combined effects among subgroups were not statistically significant(all P>0.05).Among the CRE developed from colonization to HAI,the proportion of carpabenem-resistant Klebsiella pneumoniae(CRKP)was 96.0%(95%CI:86.8%-100%),and the incidence of bloodstream infection in colonized cases was 18.2%(95%CI:10.3%-27.6%).The 30-day mortality of CRE colonized cases was 32.6%(95%CI:20.5%-45.9%),and the 30-day mortality of CRE infected cases was 36.9%(95%CI:16.0%-60.2%).Conclusion In recent years,the incidence of HAI in cases with CRE colonization is high,it is necessary to actively screen and focus on intervention in high-risk departments,so as to decrease the incidence of HAI in CRE colonized cases.
10.Application Effect of A New Modified 3D PSI in Total Knee Arthroplasty for Knee Osteoarthritis
Qing HU ; Chuan LI ; Chong SHI ; Mo RUAN ; Jingze YANG
Journal of Kunming Medical University 2024;45(3):84-91
Objective To explore the application effect of new improved 3D printing individualized guidance(3D psi)in total knee arthroplasty(TKA)for knee osteoarthritis(KOA).Methods A total of 100 patients with KOA in 920th Hospital of Joint Logistics Support Force,PLA from January 2021 to January 2022 were selected,and were divided into 2 groups of 50 patients each using the randomized numerical table method.The control group was treated with conventional TKA,and the study group was treated with new improved 3D psi assisted TKA.The operation conditions,postoperative rehabilitation,complications,prosthesis component position deviation,knee range of motion(ROM),lower limb force line parameters[coronal distal femoral mechanical axis lateral angle(mldfa),lower limb mechanical axis angle(HKA)],gait parameters(percentage of support time,stride,pace),knee function(HSS score),quality of life(AIMS2 score)were observed.Results Com-pared with control group,the amount of intraoperative and postoperative blood loss and drainage volume 2 days after operation were less in the study group,and the operation time and hospital stay were shorter(P<0.05).The deviations of LTC Angle,FFC Angle,HKA Angle,LFC Angle and FTC Angle in the study group were smaller than those in the control group(P<0.05).At 3 months,6 months and 12 months after surgery,the percentage of knee ROM,supporting time,stride length and walking speed of the research group were higher than those of the control group,while the coronal-position mLDFA and HKA were lower than those of the control group(P<0.05).The proportion of WBC and PMN in joint fluid at 3 months,6 months and 12 months after surgery was lower than that in control group(P<0.05).The HSS score of the study group was higher than that of the control group at 3 months,6 months and 12 months after operation,and the AIMS2 score was lower than that of the control group(P<0.05).There was no statistically significant difference in the incidence of complications between the study group and the control group(P>0.05).Conclusion The new improved 3D PSI-assisted TKA treatment of KOA can optimize the surgical situation,improve operating accuracy,improve the patient's lower limb alignment,promote limb function recovery,help improve the quality of life,and has high safety.

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