1.Perioperative immune dynamics and clinical outcomes in patients undergoing on-pump cardiac surgery
Zhiyuan CHENG ; Xinyi LIAO ; Juan WU ; Ping YANG ; Tingting WANG ; Qinjuan WU ; Wentong MENG ; Zongcheng TANG ; Jiayi SUN ; Jia TAN ; Jing LIN ; Dan LUO ; Hao WANG ; Chaonan LIU ; Jiyue XIONG ; Liqin LING ; Jing ZHOU ; Lei DU
Chinese Journal of Blood Transfusion 2026;39(1):31-43
Objective: To characterize perioperative dynamic changes in immune-cell phenotypes and inflammatory cytokines in patients undergoing CPB (cardiopulmonary bypass) cardiac surgery, and to explore their associations with postoperative outcomes. Methods: In this prospective cohort study, 120 adult patients who underwent elective cardiac surgery under CPB at West China Hospital from May 2022 to March 2023 were enrolled. Perioperative immune-cell phenotypes and concentrations of 40 inflammation-related cytokines were measured. The primary outcomes were the sequential organ failure assessment (SOFA) score at 24 h after surgery and ΔSOFA (the peak SOFA score within 48 h after surgery minus the preoperative SOFA score). Secondary outcomes included major adverse cardiovascular events (MACE), acute kidney injury (AKI), respiratory failure, severe liver injury, and infection. Results: The mean age of enrolled patients was 57±10 years. Of these, 52% (62/120) were male and 90% (108/120) underwent valve surgery. During the rewarming to the end of CPB, neutrophil counts rapidly increased (7.39×10
/L vs preoperative 3.07×10
/L, P<0.001), with significant upregulation of CD11b (7.30×10
/L vs preoperative 3.05×10
/L, P<0.001) and CD54 (7.15×10
/L vs preoperative 2.99×10
/L, P<0.001). Lymphocyte counts increased at the end of CPB (1.75×10
/L vs preoperative 1.12×10
/L, P<0.001) but decreased significantly at 24 h after surgery (0.59×10
/L vs preoperative 1.12×10
/L, P<0.001). Plasma analysis showed that multiple pro-inflammatory cytokines increased during CPB and remained elevated up to 24 h after surgery; five chemokines and the anti-inflammatory cytokine IL-10 peaked at the end of CPB. The SOFA score increased from 1 (1, 2) preoperatively to 7 (5, 10) at 24 h after surgery, with a ΔSOFA of 6 (4, 8). Within 30 days after surgery, 48 patients (40.0%) developed AKI, 17 (14.2%) developed infection, 4 (3.3%) developed severe liver injury, 3 (2.5%) developed respiratory failure, and 3 (2.5%) experienced MACE. During the 2-year follow-up, 8 patients (6.7%) experienced MACE and 5 (4.2%) died. Conclusion: Multi-organ dysfunction is common after cardiac surgery under CPB (median ΔSOFA, 6), accompanied by perioperative activation of multiple immune-cell subsets and upregulation of pro-inflammatory, anti-inflammatory, and chemotactic mediators. This study provides data-driven evidence and research clues for further investigation of the associations between CPB-related immune perturbations and postoperative organ dysfunction and clinical outcomes.
2.Introduction and enlightenment of the Recommendations and Expert Consensus for Plasma and Platelet Transfusion Strategies in Critically Ill Children Following Severe Trauma, Traumatic Brain Injury, and/or Intracranial Hemorrhage: From the Transfusion and Anemia Expertise Initiative-Control/Avoidance of Bleeding
Zhenzhen JIANG ; Rong GUI ; Rong HUANG ; Junhua ZHANG ; Jiaohui ZENG ; Hao TANG ; Zhi LIN ; Dan WAN ; Mingyi ZHAO ; Minghua YANG ; Lan GU ; Haiting LIU
Chinese Journal of Blood Transfusion 2026;39(2):285-293
Transfusion and Anemia Expertise Initiative-Control/Avoidance of Bleeding developed a strategy for platelet and plasma infusion management in critically ill children based on systematic reviews and consensus meetings of international multidisciplinary experts. One good practice statement and six expert consensus statements were proposed for plasma and platelet transfusions in critically ill children following severe trauma, traumatic brain injury, and/or intracranial hemorrhage. This article introduces the specific methods and basis for the formation of recommendations in this part of the guide.
3.A Large-Scale Observational Centralized Monitoring Study on the Clinical Use and Safety of Traditional Chinese Medicine Formula Granules
Chengfeng WU ; Yaqin TANG ; Dan LI ; Jiabao LIAO ; Kaiwei HUANG ; Yanmei WU ; Zhongqi YANG
Journal of Traditional Chinese Medicine 2026;67(20):2187-2194
ObjectiveTo evaluate the safety and clinical utilization of traditional Chinese medicine (TCM) formula granules based on real-world data, and to provide evidence for their rational clinical use. MethodsA multicenter, prospective, open-label, observational centralized monitoring study was conducted. Participants who received TCM formula granules in 293 medical institutions throughout China from February 5th, 2020 to May 20th, 2025 were consecutively enrolled. The year of data collection was used as the stratification factor. Demographic characteristics (including sex, age, and concomitant medication use), information on TCM formula granule use (including mean prescribed dosage and inappropriate use), and adverse event(AE)/adverse drug reaction(ADR) occurrence and related factors were collected and statistically analyzed. ResultsA total of 42 011 participants were included in the safety set (SS), with a mean age of (38.34±22.30) years, including 18 693 males and 23 318 females. Among them, 3519 participants (8.38%) had a history of or concomitant diseases. The three most common comorbidities were hypertension (1189 cases, 33.79%), diabetes mellitus (850 cases, 24.15%), and coronary heart disease (471 cases, 13.38%). The top three diagnostic categories were respiratory, thoracic, and mediastinal diseases (7008 cases, 16.68%), infectious and parasitic diseases (6591 cases, 15.69%), and gastrointestinal diseases (4580 cases, 10.90%).Among 41 961 participants with available concomitant medication data, 3332(7.94%) received concomitant medications, and western medicines were the most commonly used concomitant medications (2819 cases, 6.72%). The mean prescribed dosage of TCM formula granules (expressed as the equivalent dosage of crude herbal pieces) was (158.23±104.86) g in 2020, (131.70±65.84) g in 2021, (130.62±59.96) g in 2022, (86.74±50.61) g in 2023, (118.59±52.01) g in 2024, and (134.38±49.43) g in 2025. The five most frequently prescribed toxic herbs were Kuxingren (Semen Armeniacae Amarum, 2746 cases, 6.54%), Xixin (Radix et Rhizoma Asari, 2193 cases, 5.22%), processed Kuxingren (862 cases, 2.05%), Baiqucai (Herba Chelidonii, 747 cases, 1.78%), and Wuzhuyu (Fructus Evodiae, 645 cases, 1.54%). Prescriptions involving incompatible combinations of the "eighteen antagonisms" and the "nineteen mutual inhibitions" were most frequently observed in 2020 (54 cases, 0.503%), and then decreased markedly, remaining at zero or an extremely low level thereafter. The overall incidence of adverse drug reactions (ADRs) associated with TCM formula granules was 0.057% (24 cases), indicating a rare occurrence. The annual incidence was 0.028% (3 cases) in 2020, 0 in both 2021 and 2022, 0.065% (5 cases) in 2023, 0.158% (15 cases) in 2024, and 0.226% (1 case) in 2025. Among the 24 patients who experienced ADRs, 15 had inappropriate medication use.Five of the 24 patients used toxic herbs, and all five had inappropriate medication. Multivariate logistic regression analysis showed that no history of drug-related adverse reactions [OR=0.053, 95%CI(0.006, 0.465)] and no concomitant medication [OR=0.315, 95%CI(0.109, 0.911)] were associated with a lower risk of ADRs. ConclusionTCM formula granules are widely used in clinical practice and exhibit a favorable overall safety. Greater attention should be paid to people with a history of drug-related adverse reactions and those receiving concomitant medications to further improve medication safety.
4.Horticultural Therapy Combined with Intradermal Needling for Patients with Generalized Anxiety Disorder of Liver Depression Transforming into Fire Syndrome Under Transcranial Magnetic Stimulation and Psychological Therapy:Clinical Observation of 60 Cases
Wanyun ZHANG ; Jiayi YAN ; Qingyi QIU ; Yumei PENG ; Xiaoling ZHONG ; Jinwen ZHANG ; Rundong TANG ; Miao WU ; Dan HU ; Guang SU
Journal of Traditional Chinese Medicine 2025;66(1):50-58
ObjectiveTo observe the clinical effectiveness of horticultural therapy involving the planting of Chinese medicinal herbs (mint and lily potted plants) combined with intradermal needling therapy for generalized anxiety disorder (GAD) of liver depression transforming into fire syndrome under transcranial magnetic stimulation and basic psychological therapy, and to explore the possible mechanisms of action. MethodsA total of 180 patients with GAD of liver depression transforming into fire syndrome were randomly divided into three groups, horticultural therapy group, intradermal needling group, and horticultural therapy+intradermal needling group, with 60 patients in each. All groups received basic treatment including basic psychological therapy and transcranial magnetic stimulation. The horticultural therapy group received horticultural therapy in addition to the basic treatment; the intradermal needling group received intradermal needling therapy once a week for 8 weeks in addition to the basic treatment; the horticultural therapy+intradermal needling group received both horticultural therapy and intradermal needling therapy, following the same procedures and duration. Hamilton Anxiety Rating Scale (HAMA), Self-Rating Anxiety Scale (SAS), and Pittsburgh Sleep Quality Index (PSQI) scores were assessed at baseline and after 2, 4, 6, and 8 weeks of treatment. Serum levels of adrenocorticotropic hormone (ACTH) and corticosterone (CORT) were measured before treatment and after 8 weeks of treatment. Motor-evoked potential (MEP) baseline levels were recorded before treatment, and MEP amplitude ratios were compared after 1 week and 8 weeks of treatment. Clinical effectiveness and safety were evaluated after 8 weeks of treatment. Pearson correlation analysis was used to examine the relationships between serum ACTH and CORT levels, MEP amplitude, and anxiety. ResultsIn the horticultural therapy group and intradermal needling group, HAMA, SAS and PSQI scores after 4, 6, and 8 weeks treatment were lower than baseline scores (P<0.05). In the horticultural therapy+intradermal needling group, these scores showed a significant decline starting after 2 weeks treatment and continuing through 8 weeks after treatment (P<0.05). The HAMA, SAS, and PSQI scores in the horticultural therapy+intradermal needling group were significantly lower than those in the other two groups after 2, 4, 6, and 8 weeks treatment (P<0.05). After 8 weeks of treatment, serum CORT and ACTH levels in the horticultural therapy+intradermal needling group were significantly lower than baseline levels (P<0.05) and were also lower than those in the horticultural therapy group and intradermal needling group at the same time point (P<0.01). When comparing the level after 8 weeks treatment to that after 1 week treatment, under PAS10 stimulation, the MEP amplitude ratio in the intradermal needling group decreased at 30 minutes, while in the horticultural therapy+intradermal needling group, the MEP amplitude ratio decreased at all time points (P<0.05 or P<0.001); under PAS25 stimulation, the MEP amplitude ratio in the horticultural therapy group increased at 20 minutes, and in the intradermal needle group at 10 minutes (P<0.05). In the horticultural therapy+intradermal needling group, the MEP amplitude ratio increased significantly at all time points after treatment (P<0.001). The cure rate in the horticultural therapy+intradermal needling group (74.14%, 43/58) was significantly higher than that in the horticultural therapy group (30.00%, 18/60) and the intradermal needling group (48.28%, 28/58, P<0.05). Correlation analysis revealed that serum ACTH and CORT levels were positively correlated with HAMA scores (r = 0.488, P<0.01; r = 0.428, P<0.01). Following PAS10 intervention, the MEP amplitude ratio was positively correlated with HAMA scores (r = 0.458, P<0.01), whereas after PAS25 intervention, the MEP amplitude ratio was negatively correlated with HAMA scores (r = -0.562, P<0.01). ConclusionHorticultural therapy combined with intradermal needling treatment, under transcranial magnetic stimulation and basic psychological therapy, demonstrates significant clinical effectiveness in patients with GAD of liver depression transforming into fire syndrome. Its mechanism of action may be related to the regulation of hyperactivation of the hypothalamic-pituitary-adrenal (HPA) axis and the reduction of cortical excitability.
5.Transcriptome sequencing reveals molecular mechanism of seed dormancy release of Zanthoxylum nitidum.
Chang-Qian QUAN ; Dan-Feng TANG ; Jian-Ping JIANG ; Yan-Xia ZHU
China Journal of Chinese Materia Medica 2025;50(1):102-110
The transcriptome sequencing based on Illumina Novaseq 6000 Platform was performed with the untreated seed embryo(DS), stratified seed embryo(SS), and germinated seed embryo(GS) of Zanthoxylum nitidum, aiming to explore the molecular mechanism regulating the seed dormancy and germination of Z. nitidum and uncover key differentially expressed genes(DEGs). A total of 61.41 Gb clean data was obtained, and 86 386 unigenes with an average length of 773.49 bp were assembled. A total of 29 290 DEGs were screened from three comparison groups(SS vs DS, GS vs SS, and GS vs DS), and these genes were annotated on 134 Kyoto Encyclopedia of Genes and Genomes(KEGG) pathways. KEGG enrichment analysis revealed that the plant hormone signal transduction pathway is the richest pathway, containing 226 DEGs. Among all DEGs, 894 transcription factors were identified, which were distributed across 34 transcription factor families. These transcription factors were also mainly concentrated in plant hormone signal transduction and mitogen-activated protein kinase(MAPK) signaling pathways. Further real-time quantitative polymerase chain reaction(RT-qPCR) validation of 12 DEGs showed that the transcriptome data is reliable. During the process of seed dormancy release and germination, a large number of DEGs involved in polysaccharide degradation, protein synthesis, lipid metabolism, and hormone signal transduction were expressed. These genes were involved in multiple metabolic pathways, forming a complex regulatory network for dormancy and germination. This study lays a solid foundation for analyzing the molecular mechanisms of seed dormancy and germination of Z. nitidum.
Zanthoxylum/metabolism*
;
Plant Dormancy/genetics*
;
Seeds/metabolism*
;
Gene Expression Regulation, Plant
;
Plant Proteins/metabolism*
;
Transcriptome
;
Gene Expression Profiling
;
Germination
;
Transcription Factors/metabolism*
;
Plant Growth Regulators/genetics*
;
Signal Transduction
6.Study on component analysis,fingerprint establishment and anti-inflammatory spectrum-effect relationship of Yao ethnic medicine Pittosporum pauciflorum
Dan QIN ; Peng FU ; Jiajie CAO ; Qingchen TANG ; Jie GAO
China Pharmacy 2025;36(18):2244-2249
OBJECTIVE To analyze chemical components of Yao ethnic medicine Pittosporum pauciflorum, establish its fingerprint and investigate the spectrum-effect relationship of its anti-inflammatory effect. METHODS UHPLC-Q-Orbitrap-MS technology was used to analyze the chemical components of P. pauciflorum (batch S6). The fingerprints for 10 batches of P. pauciflorum from different producing areas in Guangxi Province (batches S1-S10) were established by HPLC, and similarity assessment and chemometric pattern recognition analysis were conducted. RAW264.7 inflammatory cell model was induced by lipopolysaccharide, and the anti-inflammatory activity of P. pauciflorum was investigated. Using inhibition rates of nitric oxide (NO), tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6) and IL-1β as efficacy indicators, grey relational analysis and partial least squares regression analysis were adopted to evaluate the spectrum-effect relationship of the anti-inflammatory effect of P. pauciflorum. RESULTS There were 60 chemical components, including flavonoids, phenolic acids, lipids, etc., identified in P. pauciflorum. The fingerprints for 10 batches of P. pauciflorum showed 14 common peaks,with similarity values ranging from 0.883 to 0.991. Three common peaks were assigned neochlorogenic acid (peak 5), chlorogenic acid (peak 7), and syringaldehyde (peak 10). The classification results of the systematic clustering analysis and the principal component analysis were basically consistent. Batches S1 to S10 of P. pauciflorum significantly reduced the levels of NO, TNF-α, IL-6 (except for batch S5) and IL-1β in the cell supernatant (P<0.05 or P<0.01). Inhibition rates of above inflammatory indexes were 10.26%-39.96%, 14.96%-31.36%, 1.38%-21.27%, 18.54%-28.00%, respectively. The contents of neochlorogenic acid, syringaldehyde, as well as the components corresponding to peaks 1, 3, 9, 12 and 14,exhibited a strong correlation with the anti-inflammatory effects of P. pauciflorum. CONCLUSIONS The present study has analyzed the chemical components of P. pauciflorum and established HPLC fingerprints for 10 batches of P. pauciflorum. Each batch of medicinal herbs demonstrates certain anti- inflammatory activities, among which neochlorogenic acid, syringaldehyde, and the components corresponding to peaks 1, 3, 9, 12 and 14 are likely to be the active anti-inflammatory components.
7.Exploring Quality Makers of Xiaoqinglong Granules in Treating Bronchial Asthma Based on Analytic Hierarchy Process-entropy Weight Method, Network Pharmacology and Molecular Docking
Huijuan XIE ; Zhuqian TANG ; Dan HU ; Yingbi XU ; Li HAN ; Bin YANG ; Hua LI
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(22):192-200
ObjectiveTo investigate the quality markers of Xiaoqinglong granules(XQLG) for treating bronchial asthma using the analytic hierarchy process(AHP)-entropy weight method(EWM), network pharmacology and high performance liquid chromatography(HPLC) content determination. MethodsEffectiveness, testability and peculiarity component data of XQLG in treating bronchial asthma were constructed through database retrieval, literature review, and network pharmacology. Subsequently, AHP-EWM was used to quantitatively identify and weight the control layer and element layer, the relevant compounds were selected as candidate quality markers based on comprehensive scores. Further comparison of reference substances and establishment of HPLC content determination method were used to determine the potential quality markers of XQLG, which were verified by molecular docking with disease targets. ResultsA total of 13 components, including glycyrrhizic acid, paeoniflorin, schisandrol A, isoliquiritigenin, 6-gingerol, ephedrine, liquiritin, albiflorin, liquiritigenin, 6-shogaol, pseudoephedrine, cinnamic acid and cinnamaldehyde, were identified as potential quality markers of XQLG by AHP-EWM. Quantitative analysis indicated that all aforementioned quality markers could be detected in 13 batches of XQLG, indicating that it had stable testability as a quality marker. Among these 13 batches of samples, ephedrine and paeoniflorin exhibited good consistency in content, while pseudoephedrine and cinnamaldehyde showed poor consistency. Molecular docking analysis revealed that the 13 compounds exhibited binding energies with the core targets -2.11 kcal·mol-1, indicating that the 13 compounds could spontaneously bind to the disease targets, which may be the material basis for the treatment of bronchial asthma with XQLG. ConclusionIn this study, 13 compounds were screened by AHP-EWM combined with network pharmacology and HPLC as quality markers for the treatment of bronchial asthma by XQLG, laying the foundation for enhancing the quality standards of this preparation.
8.Distribution of traditional Chinese medicine syndromes in intrahepatic cholestasis of pregnancy and its association with perinatal outcomes
Jin CHEN ; Dan YANG ; Qianrong LI ; Yan SANG ; Zhi YU ; Jiao XU ; Xuemei WANG ; Heying HUANG ; Xue TANG ; Lin ZHUANG ; Xiaoyin WANG
Journal of Clinical Hepatology 2025;41(11):2343-2350
ObjectiveTo investigate the distribution of traditional Chinese medicine (TCM) syndromes in intrahepatic cholestasis of pregnancy (ICP) and its association with perinatal outcomes, and to provide a basis for precise treatment based on TCM syndrome differentiation. MethodsA cross-sectional study was conducted among 275 patients with ICP who were admitted to The Affiliated Hospital of Chengdu University of Traditional Chinese Medicine from April 2023 to April 2025. A hierarchical cluster analysis was used to summarize TCM syndromes. The Kruskal-Wallis H test was used for comparison of non-normally distributed continuous data between groups, and the chi-square test was used for comparison of categorical data between groups. A multivariate Logistic regression analysis was used to identify the clinical features significantly associated with TCM syndrome. ResultsThe cluster analysis identified three core TCM syndromes among the 275 patients with ICP, i.e., liver-gallbladder damp-heat syndrome (45.8%), syndrome of blood deficiency generating wind (30.9%), and liver depression and spleen deficiency syndrome (23.3%). There was a significant difference in the distribution of TCM syndromes between different groups stratified by maternal age at delivery, parity, history of ICP recurrence, gestational weeks at disease onset, total bile acid (TBA), alanine aminotransferase (ALT), and comorbidity with gestational diabetes mellitus (GDM) (all P<0.05). The multivariate Logistic regression analysis showed that<34 gestational weeks at disease onset was significantly associated with all three syndromes (damp-heat: odds ratio [OR]=3.769, P<0.001; blood deficiency: OR=4.031, P<0.001; liver stagnation: OR=3.552, P<0.001). Liver-gallbladder damp-heat syndrome was associated with maternal age ≥35 years at disease onset (OR=2.048, P=0.014), parity ≥2 times (OR=1.921, P=0.034), history of ICP recurrence (OR=2.404, P=0.030), ALT ≥200 U/L (OR=2.051, P=0.018), comorbidity with GDM (OR=1.944, P=0.029), and TBA ≥40 μmol/L (OR=2.542, P=0.024). The syndrome of blood deficiency generating wind syndrome was associated with maternal age ≥35 years (OR=2.939, P=0.003), parity ≥2 time (OR=3.222, P=0.003), history of ICP recurrence (OR=3.809, P=0.010), ALT ≥200 U/L (OR=2.889, P=0.006), comorbidity with GDM (OR=3.711, P=0.001), and comorbidity with hypertensive disorders of pregnancy (OR=4.472, P=0.011). Liver depression and spleen deficiency syndrome was associated with TBA ≥40 μmol/L (OR=2.995, P=0.044). The analysis of perinatal outcomes showed that there were significant differences in mode of delivery, gestational weeks at the time of delivery, postpartum blood loss, and neonatal birth weight between the three groups with different TCM syndromes (all P<0.05). ConclusionLiver-gallbladder damp-heat syndrome, syndrome of blood deficiency generating wind, and liver depression and spleen deficiency syndrome are the main TCM syndrome types in ICP, and the distribution of TCM syndromes is closely associated with clinical factors and perinatal outcomes, which provides a basis for precise TCM syndrome differentiation and individualized treatment.
9.Introduction and enlightenment of the Recommendations and Expert Consensus for What Laboratory Tests and Physiologic Triggers Should Guide the Decision to Administer a Platelet or Plasma Transfusion in Critically ill Children and What Product Attributes Are Optimal to Guide Specific Product Selection? From the Transfusion and Anemia Expertise Initiative-Control/Avoidance of Bleeding
Xionghui ZHOU ; Jiaohui ZENG ; Hao TANG ; Lan GU ; Zhi LIN ; Dan WANG ; Mingyi ZHAO ; Minghua YANG ; Rong GUI ; Rong HUANG ; Junhua ZHANG
Chinese Journal of Blood Transfusion 2025;38(11):1641-1649
Based on systematic review and consensus meetings of international multidisciplinary experts, the Transfusion and Anemia Expert Initiative—Control/Avoidance of Bleeding (TAXI-CAB) project team developed management strategies for platelet and plasma transfusion in critically ill children. This consensus presents five expert consensus statements and two recommendations addressing two key questions: 1) What Laboratory Tests and Physiologic Triggers Should Guide the Decision to Administer a Platelet or Plasma Transfusion in Critically ill Children? 2) What Product Attributes Are Optimal to Guide Specific Product Selection? This consensus provides guidance for decision-making regarding plasma and platelet transfusion in critically ill children in two aspects: relevant laboratory testing indicators and additional special properties of blood components. This article explains the rationale behind the recommendations in this part of the guideline, aiming to emphasize the need for clinicians to develop transfusion strategies based on multidimensional assessment, while calling for enhanced interdisciplinary collaboration and evidence-based research to optimize blood management in critically ill children, reducing the risk of over-transfusion and improving treatment outcomes. Furthermore, there remains an urgent need for further research to explore laboratory indicators associated with bleeding risk to guide transfusion therapy.
10.Influencing factors for dysphagia in the elderly and establishment of a predictive model
Peng PENG ; Xinrui CHEN ; Yilin ZHOU ; Xiaoqin TIAN ; Yuqin TANG ; Dan DENG
Journal of Chongqing Medical University 2025;50(4):501-510
Objective:To investigate the influencing factors for dysphagia in the elderly,to construct a predictive model for dysphagia,and to provide a theoretical basis for clinical practice.Methods:In this case-control study,the patients with dysphagia who attended Department of Geriatrics in the first affiliated hospital of Chongqing Medical University from March 2016 to June 2023 were enrolled as case group,and the patients without dysphagia who attended the same department during the same period of time were enrolled as con-trol group.The correlation analysis,least absolute shrinkage and selection operator(LASSO)regression,and multivariate logistic re-gression analysis were used to investigate the influencing factors for dysphagia;the 10-fold cross-validation Extreme Gradient Boosting(XGBoost)model was used to predict dysphagia,and the SHapley additive exPlanations(SHAP)method was used for model visualiza-tion.Results:There were 1009 cases in the case group and 2125 cases in the control group.The correlation analysis and LASSO re-gression analysis identified 12 factors for the multivariate logistic re-gression analysis,and the results showed that sarcopenia,increasing age,children or caretakers as caregivers,frail health,poor oral health,poor self-care ability,depression,and cognitive impairment were risk factors for dysphagia(odds ratio[OR]>1,P<0.05),and fe-male sex and participation in community activities were protective factors against dysphagia(OR<1,P<0.05).The XGBoost model had a good predictive efficacy,with an accuracy rate of 0.795,a preci-sion rate of 0.711,a sensitivity of 0.613,a specificity of 0.881,an F1 value of 0.661,and an area under the ROC curve of 0.855.The SHAP plot showed that the top five important characteristics were caregiver,oral score,frail health condition,activities of daily living,and cognitive function.Conclusion:There are various influencing factors for dysphagia in the elderly,and the elderly patients with poor oral health,frailty,dependence on others for daily life,and cognitive impairment should be taken seriously in clinical practice.The XGBoost model has a good performance in predicting dysphagia in the elderly,which can provide a reference for clinical practice.

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