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Uric acid-lowering activity and mechanisms of Chinese medicines with medicine-food homology: a systematic study 药食同源中药降尿酸活性及其机制的系统研究
Q3 Medicine Pub Date : 2024-12-01 Epub Date: 2025-02-26 DOI: 10.1016/j.dcmed.2025.01.004
Qin Fengyi , Zhu Yishuo , Zhao Lewei , Chen Siyu , Qing Zhixing

Objective

To summarize the uric acid-lowering effects and mechanisms of Chinese medicines with medicine-food homology, aiming to provide novel perspectives for the development of new anti-hyperuricemia (HUA) drugs.

Methods

Papers on the research of HUA prevention and treatment with medicine-food homology from December 15, 2002 to August 10, 2024 were screened and collected through China National Knowledge Infrastructure (CNKI), PubMed, ScienceDirect, and Google Scholar. Subsequently, the impact of these medications and their extracts, as well as the active compounds on HUA were assessed.

Results

A total of 148 relevant papers were collected, including 43 kinds of Chinese medicines and 61 active compounds, all of which have anti-HUA activity. Among them, 41 kinds of Chinese medicines could inhibit the activity of xanthine oxidase, thus leading to the inhibition of uric acid production; and 22 kinds of Chinese medicines could facilitate uric acid excretion, while 15 kinds of Chinese medicines could reduce the inflammation levels in the body and promoting renal protection. Notably, polyphenols and flavonoids are the key active components for the uric acid-lowering effects.

Conclusion

This study systematically summarized and analyzed the uric acid-lowering effects and mechanisms of Chinese medicines with medicine-food homology, laying a foundation for their development as HUA agents.
目的总结药食同源中药的降尿酸作用及其机制,为开发抗高尿酸血症(HUA)药物提供新思路。方法通过中国知网(CNKI)、PubMed、ScienceDirect、谷歌Scholar等网站筛选收集2002年12月15日至2024年8月10日关于药食同源性防治HUA的研究论文。随后,评估了这些药物及其提取物以及活性化合物对HUA的影响。结果共收集相关文献148篇,其中中药43种,活性化合物61种,均具有抗hua活性。其中,41种中药能抑制黄嘌呤氧化酶活性,从而抑制尿酸生成;22种中药能促进尿酸排泄,15种中药能降低体内炎症水平,促进肾脏保护。值得注意的是,多酚和类黄酮是降尿酸作用的关键活性成分。结论本研究系统总结和分析了药食同源中药的降尿酸作用及其机制,为其作为HUA药的开发奠定基础。
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引用次数: 0
Research progress in Fangjiomics: methodologies, applications, and perspectives 方济组学的研究进展:方法、应用与展望
Q3 Medicine Pub Date : 2024-12-01 Epub Date: 2025-02-26 DOI: 10.1016/j.dcmed.2025.01.001
Bing Li , Yuwen Zhao , Qikai Niu , Zhong Wang
Fangjiomics is a promising paradigm that enhances research on multi-omics-based pharmacological mechanisms of Fangji from holistic and systematic perspective. We reviewed recent advances in Fangjiomics, focusing on database and analysis platform development, methodological innovations, and translational applications. Through the integration of Fangji and multi-omics data, multi-level system analysis approaches were developed, encompassing single-target analysis, signaling pathways, multi-targeted network and modules. Fangjiomics has emerged as a key strategy in various areas of Fangji research. To support the high quality development of Fangjiomics, we propose principles and perspectives from the integrated, macro-level, and practical viewpoints.
防己组学是一个很有前景的研究范式,它从整体和系统的角度加强了基于多组学的防己药理机制研究。我们回顾了方组学的最新进展,重点是数据库和分析平台的开发、方法创新和转化应用。通过方济与多组学数据的整合,形成了包括单靶点分析、信号通路、多靶点网络和模块在内的多层次系统分析方法。方济学已成为方济研究各个领域的关键策略。为支持方济学的高质量发展,我们从整体、宏观和实践的角度提出原则和观点。
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引用次数: 0
Integrating proteomics and targeted metabolomics to reveal the material basis of liver-gallbladder damp-heat syndrome in chronic hepatitis B 结合蛋白质组学和靶向代谢组学揭示慢性乙型肝炎肝胆湿热证的物质基础
Q3 Medicine Pub Date : 2024-12-01 Epub Date: 2025-02-26 DOI: 10.1016/j.dcmed.2025.01.005
Ni’ao Li , Yuefeng Gong , Jia Wang , Qingqing Chen , Shibing Su , Hua Zhang , Yiyu Lu
<div><h3>Objective</h3><div>To elucidate the biological basis of liver-gallbladder damp-heat syndrome (LGDHS) within the framework of traditional Chinese medicine (TCM) as a complementary diagnostic and therapeutic approach in chronic hepatitis B (CHB).</div></div><div><h3>Methods</h3><div>CHB patients and healthy volunteers were enrolled from Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine between August 21, 2018 and December 31, 2020. They were divided into three groups: healthy group, LGDHS group, and latent syndrome (LP) group. Proteomic analysis using isobaric tags for relative and absolute quantitation (iTRAQ) was performed to identify differentially expressed proteins (DEPs). Metabolomic profiling via ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) was applied to serum samples to detect differentially regulated metabolites (DMs). Kyoto Encyclopedia of Genes and Genomes (KEGG) and Gene Ontology (GO) enrichment were employed to explore dysregulated pathways. Principal component analysis (PCA) and orthogonal partial least squares discriminant analysis (OPLS-DA) were utilized to visualize group separation and identify key metabolites and proteins contributing to LGDHS differentiation. Receiver operating characteristic (ROC) curve analysis evaluated the diagnostic performance of key biomarkers, while logistic regression models assessed their predictive accuracy. <em>P</em> values were corrected for multiple tests using the Benjamini-Hochberg method to control the false discovery rate (FDR). Validation of potential biomarkers was conducted using independent microarray data and real-time quantitative polymerase chain reaction (RT-qPCR).</div></div><div><h3>Results</h3><div>A total of 150 participants were enrolled, including healthy group (<em>n</em> = 45), LGDHS group (<em>n</em> = 60), and LP group (<em>n</em> = 45). 254 DEPs from proteomics data and 72 DMs from metabolomic profiling were identified by PCA and OPLS-DA. DEPs were mainly enriched in immune and complement pathways, while DMs involved in amino acid and energy metabolism. The integrated analysis identified seven key biomarkers: <em>α</em>1-acid glycoprotein (<em>ORM1</em>), asparagine synthetase (<em>ASNS</em>), solute carrier family 27 member 5 (<em>SLC27A5</em>), glucosidase II alpha subunit (<em>GANAB</em>), hexokinase 2 (<em>HK2</em>), 5-methyltetrahydrofolate-homocysteine methyltransferase (<em>MTR</em>), and maltase-glucoamylase (<em>MGAM</em>). Microarray validation confirmed the diagnostic potential of these genes, with area under the curve (AUC) values for ROC analysis ranging from 0.536 to 0.759. Among these, <em>ORM1</em>, <em>ASNS</em>, and <em>SLC27A5</em> showed significant differential ability in differentiating LGDHS patients (<em>P</em> = 0.016, <em>P</em> = 0.035, and <em>P</em> < 0.001, respectively), with corresponding AUC of 0.749, 0.743, and 0.759, respectively. A logistic regression model inc
目的探讨肝胆湿热证(LGDHS)在中医框架下作为慢性乙型肝炎(CHB)辅助诊疗手段的生物学基础。方法于2018年8月21日至2020年12月31日在上海中医药大学附属曙光医院招募乙型肝炎患者和健康志愿者。患者分为三组:健康组、LGDHS组和潜伏综合征(LP)组。使用等压标签进行相对和绝对定量(iTRAQ)的蛋白质组学分析来鉴定差异表达蛋白(DEPs)。采用超高效液相色谱-串联质谱(UPLC-MS/MS)对血清样品进行代谢组学分析,检测差异调节代谢物(DMs)。使用京都基因与基因组百科全书(KEGG)和基因本体(GO)富集来探索失调的途径。利用主成分分析(PCA)和正交偏最小二乘判别分析(OPLS-DA)可视化分组分离,鉴定促进LGDHS分化的关键代谢物和蛋白质。受试者工作特征(ROC)曲线分析评估关键生物标志物的诊断性能,而逻辑回归模型评估其预测准确性。使用Benjamini-Hochberg方法对多个测试的P值进行校正,以控制错误发现率(FDR)。利用独立的微阵列数据和实时定量聚合酶链反应(RT-qPCR)对潜在的生物标志物进行验证。结果共纳入150例受试者,其中健康组(n = 45)、LGDHS组(n = 60)和LP组(n = 45)。通过PCA和OPLS-DA鉴定了来自蛋白质组学数据的254个dep和来自代谢组学分析的72个dm。dep主要富集于免疫和补体途径,而DMs则参与氨基酸和能量代谢。综合分析确定了7个关键生物标志物:α1-酸性糖蛋白(ORM1)、天冬酰胺合成酶(ASNS)、溶质载体家族27成员5 (SLC27A5)、葡萄糖苷酶II α亚基(GANAB)、己糖激酶2 (HK2)、5-甲基四氢叶酸-同型半胱氨酸甲基转移酶(MTR)和麦芽糖淀化酶(MGAM)。微阵列验证证实了这些基因的诊断潜力,ROC分析的曲线下面积(AUC)值在0.536 ~ 0.759之间。其中,ORM1、ASNS、SLC27A5对LGDHS患者的鉴别能力有显著差异(P = 0.016、P = 0.035、P < 0.001),对应的AUC分别为0.749、0.743、0.759。纳入这三个基因的logistic回归模型显示AUC为0.939,表明LGDHS具有较高的判别能力。RT-qPCR进一步验证了ORM1和SLC27A5在LGDHS组和LP组之间的差异表达(P = 0.011和P = 0.034),与ASNS组表达趋势一致(P = 0.928)。结论本研究结合多组学方法揭示慢性乙型肝炎中LGDHS的分子机制。ORM1、ASNS和SLC27A5生物标志物的鉴定为LGDHS的客观诊断提供了坚实的基础,有助于中医诊断实践的标准化和现代化。
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引用次数: 0
TCMLLM-PR: evaluation of large language models for prescription recommendation in traditional Chinese medicine TCMLLM-PR:中药处方推荐的大语言模型评价
Q3 Medicine Pub Date : 2024-12-01 Epub Date: 2025-02-26 DOI: 10.1016/j.dcmed.2025.01.007
Tian Haoyu , Yang Kuo , Dong Xin , Zhao Chenxi , Ye Mingwei , Wang Hongyan , Liu Yiming , Hu Minjie , Zhu Qiang , Yu Jian , Zhang Lei , Zhou Xuezhong

Objective

To develop and evaluate a fine-tuned large language model (LLM) for traditional Chinese medicine (TCM) prescription recommendation named TCMLLM-PR.

Methods

First, we constructed an instruction-tuning dataset containing <styled-content style-type="number">68654</styled-content> samples (approximately 10 million tokens) by integrating data from eight sources, including four TCM textbooks, Pharmacopoeia of the People’s Republic of China 2020 (CHP), Chinese Medicine Clinical Cases (CMCC), and hospital clinical records covering lung disease, liver disease, stroke, diabetes, and splenic-stomach disease. Then, we trained TCMLLM-PR using ChatGLM-6B with P-Tuning v2 technology. The evaluation consisted of three aspects: (i) comparison with traditional prescription recommendation models (PTM, TCMPR, and PresRecST); (ii) comparison with TCM-specific LLMs (ShenNong, Huatuo, and HuatuoGPT) and general-domain ChatGPT; (iii) assessment of model migration capability across different disease datasets. We employed precision, recall, and F1 score as evaluation metrics.

Results

The experiments showed that TCMLLM-PR significantly outperformed baseline models on TCM textbooks and CHP datasets, with F1@10 improvements of 31.80% and 59.48%, respectively. In cross-dataset validation, the model performed best when migrating from TCM textbooks to liver disease dataset, achieving an F1@10 of 0.155 1. Analysis of real-world cases demonstrated that TCMLLM-PR's prescription recommendations most closely matched actual doctors’ prescriptions.

Conclusion

This study integrated LLMs into TCM prescription recommendations, leveraging a tailored instruction-tuning dataset and developing TCMLLM-PR. This study will publicly release the best model parameters of TCMLLM-PR to promote the development of the decision-making process in TCM practices (<ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://github.com/2020MEAI/TCMLLM">https://github.com/2020MEAI/TCMLLM</ext-link>).
目的建立中药处方推荐的大语言模型(LLM),并对其进行评价。方法首先,通过整合4本中医教材、《中华人民共和国药典2020》(CHP)、《中医临床病例》(CMCC)和医院临床记录等8个来源的数据,构建了包含“style- content style-type="number">68654</style -content>;”样本(约1000万个标记)的指令调优数据集,涵盖肺部疾病、肝脏疾病、中风、糖尿病和脾胃疾病。评价包括三个方面:(1)与传统处方推荐模型(PTM、TCMPR和PresRecST)的比较;(ii)中医专用法学硕士(神农法学硕士、华佗法学硕士、华佗法学硕士)与通用域法学硕士的比较;(三)评估跨不同疾病数据集的模型迁移能力。我们采用精度、召回率和F1分数作为评价指标。结果TCMLLM-PR在中医教科书和CHP数据集上的性能显著优于基线模型,分别提高F1@10 31.80%和59.48%。在跨数据集验证中,当从中医教科书迁移到肝病数据集时,模型表现最佳,达到F1@10为0.155 1。对实际案例的分析表明,TCMLLM-PR的处方建议与实际医生的处方最接近。本研究将llm整合到中药处方推荐中,利用量身定制的指令调优数据集,开发了TCM - llm - pr。本研究将公开发布TCM - llm - pr的最佳模型参数,以促进中医实践决策过程的发展(<ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://github.com/2020MEAI/TCMLLM">https://github.com/2020MEAI/TCMLLM</ext-link>)。
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引用次数: 0
Classification of cold and hot medicinal properties of Chinese herbal medicines based on graph convolutional network 基于图卷积网络的中草药寒热药性分类
Q3 Medicine Pub Date : 2024-12-01 Epub Date: 2025-02-26 DOI: 10.1016/j.dcmed.2025.01.008
Mengling Yang, Wei Liu

Objective

To develop a model based on a graph convolutional network (GCN) to achieve efficient classification of the cold and hot medicinal properties of Chinese herbal medicines (CHMs).

Methods

After screening the dataset provided in the published literature, this study included 495 CHMs and their 8 075 compounds. Three molecular descriptors were used to represent the compounds: the molecular access system (MACCS), extended connectivity fingerprint (ECFP), and two-dimensional (2D) molecular descriptors computed by the RDKit open-source toolkit (RDKit_2D). A homogeneous graph with CHMs as nodes was constructed and a classification model for the cold and hot medicinal properties of CHMs was developed based on a GCN using the molecular descriptor information of the compounds as node features. Finally, using accuracy and F1 score to evaluate model performance, the GCN model was experimentally compared with the traditional machine learning approaches, including decision tree (DT), random forest (RF), k-nearest neighbor (KNN), Naïve Bayes classifier (NBC), and support vector machine (SVM). MACCS, ECFP, and RDKit_2D molecular descriptors were also adopted as features for comparison.

Results

The experimental results show that the GCN achieved better performance than the traditional machine learning approach when using MACCS as features, with the accuracy and F1 score reaching 0.836 4 and 0.845 3, respectively. The accuracy and F1 score have increased by <styled-content style-type="number">0.8690</styled-content> and <styled-content style-type="number">0.8120</styled-content>, respectively, compared with the lowest performing feature combination OMER (only the combination of MACCS, ECFP, and RDKit_2D). The accuracy and F1 score of DT, RF, KNN, NBC, and SVM are 0.505 1 and 0.501 8, 0.616 2 and 0.601 5, 0.676 8 and 0.624 3, 0.616 2 and 0.607 1, 0.636 4 and 0.622 5, respectively.

Conclusion

In this study, by introducing molecular descriptors as features, it is verified that molecular descriptors and fingerprints play a key role in classifying the cold and hot medicinal properties of CHMs. Meanwhile, excellent classification performance was achieved using the GCN model, providing an important algorithmic basis for the in-depth study of the “structure-property” relationship of CHMs.
目的建立基于图卷积网络(GCN)的中草药冷热药性分类模型,实现中草药冷热药性的高效分类。方法筛选已发表文献的数据集,纳入495种中药及其8075种化合物。使用三个分子描述符来表示化合物:分子访问系统(MACCS)、扩展连接指纹(ECFP)和由RDKit开源工具包(RDKit_2D)计算的二维(2D)分子描述符。构建了以中药材为节点的齐次图,并以化合物的分子描述符信息为节点特征,建立了基于GCN的中药材冷热药性分类模型。最后,利用准确率和F1分数评价模型性能,实验比较了GCN模型与传统机器学习方法,包括决策树(DT)、随机森林(RF)、k近邻(KNN)、Naïve贝叶斯分类器(NBC)和支持向量机(SVM)。还采用MACCS、ECFP和RDKit_2D分子描述符作为特征进行比较。结果实验结果表明,采用MACCS作为特征时,GCN取得了比传统机器学习方法更好的性能,准确率达到0.836 4,F1分数达到0.845 3。与性能最低的特征组合OMER(仅MACCS、ECFP和RDKit_2D的组合)相比,准确率和F1分数分别提高了<;style -content style-type="number">0.8690</style -content>;和<;style -content style-type="number">0.8120</style -content>;。DT、RF、KNN、NBC和SVM的准确率和F1得分分别为0.505 1和0.501 8、0.616 2和0.601 5、0.676 8和0.624 3、0.616 2和0.607 1、0.636 4和0.622 5。结论本研究通过引入分子描述符作为特征,验证了分子描述符和指纹图谱在中药冷热药性分类中的关键作用。同时,利用GCN模型取得了优异的分类性能,为深入研究chm的“构-性”关系提供了重要的算法基础。
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引用次数: 0
Risk assessment of coronary artery occlusion based on integrated Chinese and western medicine data 基于中西医结合资料的冠状动脉闭塞风险评估
Q3 Medicine Pub Date : 2024-12-01 Epub Date: 2025-02-26 DOI: 10.1016/j.dcmed.2025.01.009
Jiyu Zhang, Jiatuo Xu, Liping Tu, Yu Wang

Objective

To develop an integrated risk model for coronary artery occlusion based on data of both traditional Chinese medicine (TCM) and western medicine data, and to evaluate the contribution of TCM-specific indicators to conventional coronary heart disease (CHD) risk prediction.

Methods

Data of TCM indicators (tongue, facial, and pulse diagnostics) and clinical parameters from patients diagnosed with CHD at the Cardiology Department of Shanghai Baoshan Hospital of Integrated Traditional Chinese and Western Medicine, from October 3, 2023 to March 15, 2024, were collected. Important variables were identified using importance screening and correlation analysis with CHD risk factors and laboratory markers. Six machine learning models including logistic regression (LR), decision tree (DT), support vector machine (SVM), k-nearest neighbors (KNN), random forest (RF), and gradient boosting (GB), were applied to evaluate the risk of coronary artery obstruction by combining clinical and TCM data of CHD. Model performance was assessed using metrics such as accuracy, precision, and recall, with reliability validated through ten-fold cross-validation.

Results

A total of 288 patients were included in the study. Fifteen clinical risk factors, including body mass index (BMI), myoglobin, and alcohol consumption history, were incorporated into the diagnostic models. The KNN model showed good performance when combining clinical data with tongue and facial data. The SVM model performed well when clinical data was combined with pulse data. Among all the models, the KNN model with 10-fold cross-validation, which integrates the three types of TCM diagnostic data (tongue, face, and pulse) with clinical data, performs the best (accuracy: 0.837, precision: 0.814, and recall: 0.809).

Conclusion

Incorporating TCM diagnostic data can enhance the accuracy of coronary artery obstruction risk assessment. The KNN prediction model that integrate tongue, facial, and pulse data performs the best and can be recommended as a clinical decision support tool.
目的建立基于中西医结合数据的冠状动脉闭塞风险综合模型,评价中医特异性指标对传统冠心病风险预测的贡献。方法收集上海宝山中西医结合医院心内科2023年10月3日至2024年3月15日诊断为冠心病患者的中医指标(舌诊、面诊、脉诊)及临床参数。通过重要性筛选和与冠心病危险因素及实验室标志物的相关性分析确定重要变量。采用logistic回归(LR)、决策树(DT)、支持向量机(SVM)、k近邻(KNN)、随机森林(RF)、梯度增强(GB)等6种机器学习模型,结合冠心病的临床和中医数据,对冠心病的冠状动脉梗阻风险进行评估。使用准确度、精密度和召回率等指标评估模型性能,并通过十倍交叉验证验证可靠性。结果共纳入288例患者。15个临床危险因素,包括身体质量指数(BMI)、肌红蛋白和饮酒史,被纳入诊断模型。KNN模型在结合临床数据和舌面数据时表现出良好的性能。当临床数据与脉搏数据相结合时,SVM模型表现良好。其中,结合舌、面、脉三种中医诊断数据与临床数据进行交叉验证的10倍交叉验证的KNN模型表现最好,准确率为0.837,精密度为0.814,召回率为0.809。结论结合中医诊断资料可提高冠状动脉阻塞风险评估的准确性。结合舌头、面部和脉搏数据的KNN预测模型表现最好,可以推荐作为临床决策支持工具。
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引用次数: 0
Study on the facial spectrum and color characteristics of patients with essential hypertension 原发性高血压患者面部光谱及颜色特征的研究
Q3 Medicine Pub Date : 2024-12-01 Epub Date: 2025-02-26 DOI: 10.1016/j.dcmed.2025.01.010
Fu Hongyuan , Chun Yi , Jiao Wen , Shi Yulin , Tu Liping , Li Yongzhi , Xu Jiatuo
<div><h3>Objective</h3><div>To investigate the facial spectrum and color characteristics of patients with essential hypertension post administering antihypertensive drugs, establish a classification and evaluation model based on the facial colors of the enrolled patients, and perform in-depth analysis on the important characteristics of their facial spectrum.</div></div><div><h3>Methods</h3><div>From September 3, 2018, to March 23, 2024, participants with essential hypertension (receiving antihypertensive medication treatment, hypertension group) and normal blood pressure (control group) were recruited from the Cardiology Department of Shanghai Hospital of Traditional Chinese Medicine, the Coronary Care Unit of Shanghai Tenth People's Hospital, the Physical Examination Center of Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, and the Gaohang Community Health Service Center. This study employed the propensity score matching (PSM) method to reduce study participants selection bias. Spectral information in the facial visible light spectrum of the subjects was collected using a flame spectrometer, and the spectral chromaticity values were calculated using the equal-interval wavelength method. The study analyzed the differences in spectral reflectance across various facial regions, including the entire face, forehead, glabella, nose, jaw, left and right zygomatic regions, left and right cheek regions as well as differences in parameters within the Lab color space between the two subject groups. Feature selection was conducted using least absolute shrinkage and selection operator (LASSO) regression, followed by the application of various machine learning algorithms, including logistic regression (LR), support vector machine (SVM), random forest (RF), Naïve Bayes (NB), and eXtreme Gradient Boosting (XGB). The reduced-dimensional dataset was split in a 7 : 3 ratio to establish a classification and assessment model for facial coloration related to primary hypertension. Additionally, model fusion techniques were applied to enhance the predictive power. The performance of the models was evaluated using metrics including the area under the curve (AUC) and accuracy. Shapley Additive exPlanations (SHAP) was used to interpret the outcomes of the models.</div></div><div><h3>Results</h3><div>A total of 114 participants were included in both hypertension and control groups. Reflectance analysis across the entire face and eight predefined areas revealed that the hypertensive group exhibited significantly higher reflectance of corresponding color light in the blue-violet region (<em>P</em> < 0.05) and a lower reflectance in the red region (<em>P</em> < 0.05) compared with control group. Analysis of Lab color space parameters across the entire face and eight predefined areas showed that hypertensive group had significantly lower a and b values than control group (<em>P</em> < 0.05). LASSO regression analysis identified a
目的调查原发性高血压患者服用降压药后的面部特征及颜色特征,建立基于患者面部颜色的分类评价模型,并对其面部特征的重要特征进行深入分析。方法2018年9月3日至2024年3月23日,在上海市中医医院心内科、上海市第十人民医院冠状动脉监护室、上海中医药大学附属曙光医院体检中心,招募原发性高血压患者(接受降压药治疗,高血压组)和血压正常患者(对照组)。高航社区卫生服务中心。本研究采用倾向得分匹配(PSM)方法来减少研究对象的选择偏倚。采用火焰光谱仪采集被试面部可见光光谱中的光谱信息,采用等间隔波长法计算光谱色度值。研究分析了两组受试者面部不同区域的光谱反射率差异,包括整个面部、前额、眉间、鼻子、下巴、左右颧骨区域、左右脸颊区域以及Lab色彩空间内参数的差异。使用最小绝对收缩和选择算子(LASSO)回归进行特征选择,然后应用各种机器学习算法,包括逻辑回归(LR)、支持向量机(SVM)、随机森林(RF)、Naïve贝叶斯(NB)和极限梯度增强(XGB)。将降维数据集按7:3的比例进行分割,建立与原发性高血压相关的面部颜色分类和评估模型。此外,采用模型融合技术提高预测能力。使用包括曲线下面积(AUC)和精度在内的指标来评估模型的性能。采用Shapley加性解释(SHAP)来解释模型的结果。结果高血压组和对照组共114例。对整个面部和8个预定区域的反射率分析显示,高血压组的相应色光在蓝紫色区域的反射率明显高于对照组(P < 0.05),在红色区域的反射率明显低于对照组(P < 0.05)。对整个面部和8个预设区域的Lab色彩空间参数分析显示,高血压组的a、b值显著低于对照组(P < 0.05)。LASSO回归分析共发现18个与高血压高度相关的面部颜色特征,包括下巴和右脸颊的a值,前额380 nm和780 nm的反射率。多模型分类结果表明,射频分类模型最有效,AUC为0.74,准确率为0.77。RF + LR + SVM组合模型的分类性能优于单一模型,AUC为0.80,准确率为0.76。SHAP模型可视化结果表明,基于面部光谱特征的理想预测结果的前三位贡献者是整个面部和鼻子在380 nm处的反射率以及下巴的a值。结论同一年龄组原发性高血压患者在服用降压药后,面部颜色和面部光谱反射参数均有明显而有规律的变化。此外,面部反射率指标,如380 nm处的总反射率和下巴的a值,可以为临床评估原发性高血压患者的药物疗效和健康状况提供有价值的参考。
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引用次数: 0
Effects of needling at Sanyinjiao (SP6) acupuncture point on blood glucose levels and cardiovascular functions in patients with type 2 diabetes mellitus: a randomized placebo-controlled study 针刺三阴交穴对2型糖尿病患者血糖水平和心血管功能的影响:一项随机安慰剂对照研究
Q3 Medicine Pub Date : 2024-09-01 Epub Date: 2024-12-30 DOI: 10.1016/j.dcmed.2024.12.002
S. Priyadharshini , A. Mooventhan , Venkatalakshmi Saravanan , N. Mangaiarkarasi

Objective

To determine the effect of needling at Sanyinjiao (SP6) on random blood glucose (RBG) levels and cardiovascular function in patients with type 2 diabetes mellitus (T2DM).

Methods

In this randomized placebo-controlled study, T2DM patients (aged 35 – 65 years) were recruited from the Government Yoga and Naturopathy Medical College and Hospital, Chennai, India, between January 5, 2022 and March 15, 2023. Participants were randomly assigned to either acupuncture group or sham acupuncture group. The acupuncture group received bilateral needling at Sanyinjiao (SP6) while sham acupuncture group received needling at a non-acupuncture point [1.5 cun lateral to Sanyinjiao (SP6)] for 30 min. Primary outcome was RBG, and secondary outcomes included systolic blood pressure (SBP), diastolic blood pressure (DBP), pulse rate (PR), pulse pressure (PP), mean arterial pressure (MAP), rate pressure product (RPP), and double product (Do-P). All parameters were assessed immediately before and after intervention.

Results

A total of 100 patients with T2DM were enrolled in the study, and blinded to acupuncture group (n = 50) and sham acupuncture group (n = 50). Intergroup analysis showed that significant reductions in RBG (P < 0.001), SBP (P = 0.035), DBP (P = 0.008), and MAP (P = 0.009) were found in acupuncture group compared with sham acupuncture group. Within-group analysis showed significant reductions in RBG (P < 0.001), SBP (P < 0.001), DBP (P = 0.008), PP (P = 0.023), MAP (P < 0.001), RPP (P < 0.001), and Do-P (P = 0.002) in acupuncture group, whereas sham acupuncture group showed a significant decrease in PR (P = 0.023) only in the post-test assessment compared with pre-test assessment.

Conclusion

A period of 30 min of needling at the Sanyinjiao (SP6) acupuncture point reduces RBG and promotes cardiovascular function in patients with T2DM as compared with needling at non-acupuncture points. Sanyinjiao (SP6) acupuncture may offer an immediate, non-pharmacological intervention to strengthen glycemic control management and cardiovascular health in T2DM patients.
目的探讨针刺三阴角(SP6)对2型糖尿病(T2DM)患者随机血糖(RBG)水平及心血管功能的影响。方法在这项随机安慰剂对照研究中,于2022年1月5日至2023年3月15日从印度金奈政府瑜伽和自然疗法医学院和医院招募T2DM患者(年龄35 - 65岁)。受试者随机分为针刺组和假针刺组。针刺组双侧针刺三阴交(SP6),假针组非针刺三阴交(SP6)外侧1.5寸处,针刺30 min。主要指标为RBG,次要指标为收缩压(SBP)、舒张压(DBP)、脉率(PR)、脉压(PP)、平均动脉压(MAP)、率压差(RPP)、双压差(Do-P)。在干预前后立即评估所有参数。结果共纳入100例T2DM患者,分为针刺组(n = 50)和假针组(n = 50)。组间分析显示RBG显著降低(P <;针刺组与假针组比较,收缩压(P = 0.035)、舒张压(P = 0.008)、MAP (P = 0.009)明显降低。组内分析显示RBG显著降低(P <;0.001),收缩压(P <;0.001),菲律宾(P = 0.008), PP (P = 0.023),地图(P & lt;0.001), RPP (P <;0.001), Do-P (P = 0.002),而假针灸组仅在测试后评估中PR较测试前评估有显著降低(P = 0.023)。结论与非穴位针刺相比,针刺三阴交穴30 min可降低T2DM患者RBG,促进心血管功能。三阴角(SP6)针刺可以为T2DM患者提供一种即时的、非药物干预,以加强血糖控制管理和心血管健康。
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引用次数: 0
The gas discharge visualization (GDV) order parameter model based on the principle of mastering both permanence and change 基于恒变兼备原则的气体放电可视化(GDV)序参量模型
Q3 Medicine Pub Date : 2024-09-01 Epub Date: 2024-12-30 DOI: 10.1016/j.dcmed.2024.12.003
Yu Xin , Lei Zhang , Qiancheng Zhao , Yurong She , Zhensu She , Shuna Song

Objective

To investigate the human body’s complex system, and classify and characterize the human body’s health states with “a comprehensive integrated method from qualitative to quantitative”.

Methods

This paper introduces the concept of “order parameters” and proposes a method for establishing an order parameter model of gas discharge visualization (GDV) based on the principle of “mastering both permanence and change (MBPC)”. The method involved the following three steps. First, average luminous intensity (I¯) and average area (S¯) of the GDV images were calculated to construct the phase space, and the score of the health questionnaire was calculated as the health deviation index (H). Second, the k-means++ clustering method was employed to identify subclasses with the same health characteristics based on the data samples, and to statistically determine the symptom-specific frequencies of the subclasses. Third, the distance (d)<italic/> between each sample and the “ideal health state”, which determined in the phase space of each subclass, was calculated as an order parameter describing the health imbalance, and a linear mapping was established between the d and the H. Further, the health implications of GDV signals were explored by analyzing subclass symptom profiles. We also compare the mean square error (MSE) with classification methods based on age, gender, and body mass index (BMI) indices to verify that the phase space possesses the ability to portray the health status of the human body.

Results

This study preliminarily tested the reliability of the order parameter model on data samples provided by 20 participants. Based on the discovered linear law, the current model can use d calculated by measuring the GDV signal to predict H (R2 > 0.77). Combined with the symptom profiles of the subclasses, we explain the classification basis of the phase space based on the pattern identification. Compared with common classification methods based on age, gender, BMI, etc., the MSE of phase space-based classification was reduced by an order of magnitude.

Conclusion

In this study, the GDV order parameter model based on MBPC can identify subclasses and characterize individual health levels, and explore the TCM health meanings of the GDV signals by using subjective-objective methods, which holds significance for establishing mathematical models from TCM diagnosis principles to interpret human body signals.
目的研究人体的复杂系统,用“从定性到定量的综合综合方法”对人体健康状态进行分类和表征。方法引入了“序参量”的概念,提出了基于“把握恒变”原则建立气体放电可视化(GDV)序参量模型的方法。该方法包括以下三个步骤。首先,计算GDV图像的平均发光强度(I¯)和平均面积(S¯),构建相空间,并计算健康问卷得分作为健康偏差指数(H)。其次,采用k-means++聚类方法,根据数据样本识别具有相同健康特征的亚类,并统计确定亚类的症状特异性频率。第三,距离(d)<;斜体/>;将每个样本与每个子类相空间中确定的“理想健康状态”之间的差值作为描述健康失衡的阶参量进行计算,并建立了d与h之间的线性映射关系。进一步,通过分析子类症状谱,探讨了GDV信号对健康的影响。我们还将均方误差(MSE)与基于年龄、性别和身体质量指数(BMI)的分类方法进行了比较,以验证相空间具有描绘人体健康状况的能力。结果本研究在20个参与者提供的数据样本上初步检验了序参数模型的信度。基于发现的线性规律,现有模型可以利用测量GDV信号计算的d来预测H (R2 >;0.77)。结合子类的症状特征,解释了基于模式识别的相空间的分类基础。与常用的基于年龄、性别、BMI等的分类方法相比,相空间分类的MSE降低了一个数量级。结论本研究基于MBPC的GDV序参量模型能够识别子类并表征个体健康水平,并采用主客观结合的方法探索GDV信号的中医健康意义,对于从中医诊断原理出发建立数学模型解释人体信号具有重要意义。
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引用次数: 0
Lightweight and polarized self-attention mechanism for abnormal morphology classification algorithm during traditional Chinese medicine inspection 中药检验中异常形态分类算法的轻量极化自关注机制
Q3 Medicine Pub Date : 2024-09-01 Epub Date: 2024-12-30 DOI: 10.1016/j.dcmed.2024.12.005
Zhang Qi , Hu Kongfa , Wang Tianshu , Yang Tao

Objective

To propose a Light-Atten-Pose-based algorithm for classifying abnormal morphology in traditional Chinese medicine (TCM) inspection to solve the problem of relying on manual labor or expensive equipment with personal subjectivity or high cost.

Methods

First, this paper establishes a dataset of abnormal morphology for Chinese medicine diagnosis, with images from public resources and labeled with category labels by several Chinese medicine experts, including three categories: normal, shoulder abnormality, and leg abnormality. Second, the key points of human body are extracted by Light-Atten-Pose algorithm. Light-Atten-Pose algorithm uses lightweight EfficientNet network and polarized self-attention (PSA) mechanism on the basis of AlphaPose, which reduces the computation amount by using EfficientNet network, and the data is finely processed by using PSA mechanism in spatial and channel dimensions. Finally, according to the theory of TCM inspection, the abnormal morphology standard based on the joint angle difference is defined, and the classification of abnormal morphology of Chinese medical diagnosis is realized by calculating the angle between key points. Accuracy, frames per second (FPS), model size, parameter set (Params), and giga floating-point operations per second (GFLOPs) are chosen as the evaluation indexes for lightweighting.

Results

Validation of the Light-Atten-Pose algorithm on the dataset showed a classification accuracy of 96.23%, which is close to the original AlphaPose model. However, the FPS of the improved model reaches 41.6 fps from 16.5 fps, the model size is reduced from 155.11 MB to 33.67 MB, the Params decreases from 40.5 M to 8.6 M, and the GFLOPs reduces from 11.93 to 2.10.

Conclusion

The Light-Atten-Pose algorithm achieves lightweight while maintaining high robustness, resulting in lower complexity and resource consumption and higher classification accuracy, and the experiments prove that the Light-Atten-Pose algorithm has a better overall performance and has practical application in the pose estimation task.
目的提出一种基于light - attente - pose的中医检查异常形态分类算法,解决中医检查异常形态分类依赖人工或设备昂贵、个人主观性强、成本高的问题。方法首先,利用来自公共资源的图像,并由多位中医专家进行分类标注,建立用于中医诊断的异常形态学数据集,包括正常、肩部异常和腿部异常三大类;其次,采用Light-Atten-Pose算法提取人体关键点;Light-Atten-Pose算法在AlphaPose的基础上采用轻量级的高效网络和极化自注意(PSA)机制,利用高效网络减少了计算量,并在空间和通道维度上利用极化自注意机制对数据进行精细处理。最后,根据中医检验理论,定义基于关节角度差的异常形态标准,通过计算关键点之间的角度实现中医诊断异常形态的分类。选择精度、帧数/秒(FPS)、模型大小、参数集(Params)和千兆浮点运算/秒(GFLOPs)作为轻量化的评价指标。结果light - attent - pose算法在数据集上的验证表明,分类准确率为96.23%,与原始AlphaPose模型接近。然而,改进后的模型的FPS从16.5 FPS提高到41.6 FPS,模型大小从155.11 MB降低到33.67 MB,参数从40.5 M降低到8.6 M, GFLOPs从11.93降低到2.10。结论Light-Atten-Pose算法在保持高鲁棒性的同时实现了轻量化,降低了复杂度和资源消耗,提高了分类精度,实验证明Light-Atten-Pose算法具有较好的综合性能,在姿态估计任务中具有实际应用价值。
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引用次数: 0
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Digital Chinese Medicine
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