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.Efficacy of different spectacle lenses in slowing myopia progression among children and adolescents
Lingling LIANG ; Ruihong GUO ; Ya ZHANG ; Ming WANG ; Dongmei GONG ; Junying ZHANG ; Yanhua SUN
International Eye Science 2026;26(10):1831-1837
AIM: To compare the efficacy of highly aspherical lenslets(HAL), defocus incorporated multiple segments(DIMS), and single-vision spectacle lenses(SVL)in slowing myopia progression in children and adolescents.
METHODS: In this retrospective cohort study, myopic children and adolescents aged 6-16 y who were prescribed spectacle lenses at the hospital between January 2023 and June 2023 were included. Participants were divided into the HAL, DIMS, and SVL groups according to the correction modality voluntarily selected by participants and their guardians. The follow-up duration was 12 mo. After 12 mo of wear, changes from baseline in sphere, cylinder, spherical equivalent(SE), axial length(AL), flat corneal curvature(K1), steep corneal curvature(K2), mean corneal curvature, and binocular visual function \〖binocular cross-cylinder(BCC), negative/positive relative accommodation(NRA/PRA)\〗 were compared among the three groups after 12-month spectacle wear. Three groups were further stratified by age into age≤10 y and age>10 y subgroups to explore the effect of age on myopia control efficacy of defocus lenses.
RESULTS: A total of 159 myopic participants(159 eyes; only the right eye was included for each subject)were enrolled. In the HAL group(55 participants), there were 24 males and 31 females, with a mean age of 10.07±2.14 y. The DIMS group consisted of 60 participants(33 males, 27 females), with a mean age of 10.02±1.88 y. The SVL group included 44 participants(21 males, 23 females), with a mean age of 10.59±1.93 y. There were no significant differences in K1, K2, mean corneal curvature, NRA, BCC, and PRA among the three groups after 12-month spectacle wear(all P>0.05). There were statistically significant differences in the changes in sphere, SE, and AL(all P<0.05). The changes in sphere, cylinder, SE, and AL in the HAL and DIMS groups were significantly lower than those in the SVL group(all P<0.0167). The DIMS group showed a significantly smaller cylinder progression than the SVL group(P<0.0167). In participants aged≤10 y, the change in spherical power in the HAL group was significantly smaller than those in the DIMS group and SVL group after 12-month spectacle wear(all P<0.0167). The change in cylindrical power in the DIMS group was smaller than that in the SVL group(all P<0.0167). Among participants aged>10 y, the changes in spherical power, SE, and AL in both the HAL group and DIMS group were significantly smaller than those in the SVL group after 12-month spectacle wear(all P<0.0167).
CONCLUSION: Both HAL and DIMS lenses can effectively slow the progression of refractive error and AL elongation in children and adolescents, without significant adverse effects on binocular visual function. Among children≤10 y, HAL lenses yield superior spherical power control, whereas DIMS lenses provide better astigmatism control than SVL.
3.Clinical Application of Qili Qiangxin Capsules in Prevention and Treatment of Chronic Heart Failure: A Review
Dongmei LI ; Ziyi WANG ; Yuzhi JIA ; Xiaoping ZHENG ; Jia SUN ; Lei WANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(20):306-313
This study systematically dissects the core pathogenesis of chronic heart failure (CHF) featured by internal deficiency and external excess,imbalance of Qi,blood,Yin,and Yang,and intermingling of phlegm,blood stasis,and fluid retention. According to the traditional Chinese medicine (TCM) therapeutic principles of simultaneously treating root cause and symptoms,regulating Yin and Yang,replenishing Qi and activating blood,and promoting urination to relieve edema,this article deeply explores the formula-syndrome correspondence of Qili Qiangxin (QLQX) capsules in the treatment of CHF,providing a solid theoretical basis for the multi-effect characteristics of this drug. CHF is a common critical cardiovascular disease in clinical practice,and its pathological process involves multiple links including myocardial injury,neurohumoral disturbance,and ventricular remodeling. Its TCM pathogenesis is complex and involves multiple Zang-Fu organs,making it difficult for a single therapeutic method to achieve comprehensive coverage. QLQX capsules,formulated based on classical TCM theory,perfectly matches the pathogenic characteristics of CHF. Modern pharmacological studies have confirmed that QLQX capsules possess definite cardiotonic,diuretic,and vasodilatory effects. The active ingredients of QLQX capsules can rapidly and effectively alleviate the core clinical symptoms such as chest tightness,shortness of breath,decreased exercise tolerance,limb edema,palpitations,and fatigue of CHF patients by enhancing myocardial contractility and coronary blood flow,improving renal water excretion function,dilating peripheral blood vessels,and reducing cardiac load,thereby significantly improving patients' quality of life. On the basis of analyzing the symptomatic treatment of CHF with QLQX capsules,this study further expounds that the drug can intervene in ventricular remodeling through multiple pathways and targets,regulate the pathological mechanism of CHF,improve vascular endothelial function,mediate the activation of related signaling pathways,inhibit the transdifferentiation of cardiac fibroblasts,and regulate myocardial energy metabolism,thus delaying disease progression. QLQX capsules exert significant benefits in reducing composite cardiac events,improving New York Heart Association (NYHA) cardiac function classification,left ventricular ejection fraction (LVEF),6-minute walking distance (6MWD),and quality of life,demonstrating favorable clinical value. With the TCM pathogenesis of CHF as the guiding principle and modern pharmacology as the evidence,this study systematically clarifies the core advantage of QLQX capsules in treatment based on syndrome differentiation and multi-target synergy through the in-depth integration of TCM theory and modern pharmacology. It provides academic support with both theoretical depth and practical value for TCM intervention in CHF,and contributes TCM wisdom and schemes to the construction of a chronic disease management system with Chinese characteristics.
4.Clinical Application of Qili Qiangxin Capsules in Prevention and Treatment of Chronic Heart Failure: A Review
Dongmei LI ; Ziyi WANG ; Yuzhi JIA ; Xiaoping ZHENG ; Jia SUN ; Lei WANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(20):306-313
This study systematically dissects the core pathogenesis of chronic heart failure (CHF) featured by internal deficiency and external excess,imbalance of Qi,blood,Yin,and Yang,and intermingling of phlegm,blood stasis,and fluid retention. According to the traditional Chinese medicine (TCM) therapeutic principles of simultaneously treating root cause and symptoms,regulating Yin and Yang,replenishing Qi and activating blood,and promoting urination to relieve edema,this article deeply explores the formula-syndrome correspondence of Qili Qiangxin (QLQX) capsules in the treatment of CHF,providing a solid theoretical basis for the multi-effect characteristics of this drug. CHF is a common critical cardiovascular disease in clinical practice,and its pathological process involves multiple links including myocardial injury,neurohumoral disturbance,and ventricular remodeling. Its TCM pathogenesis is complex and involves multiple Zang-Fu organs,making it difficult for a single therapeutic method to achieve comprehensive coverage. QLQX capsules,formulated based on classical TCM theory,perfectly matches the pathogenic characteristics of CHF. Modern pharmacological studies have confirmed that QLQX capsules possess definite cardiotonic,diuretic,and vasodilatory effects. The active ingredients of QLQX capsules can rapidly and effectively alleviate the core clinical symptoms such as chest tightness,shortness of breath,decreased exercise tolerance,limb edema,palpitations,and fatigue of CHF patients by enhancing myocardial contractility and coronary blood flow,improving renal water excretion function,dilating peripheral blood vessels,and reducing cardiac load,thereby significantly improving patients' quality of life. On the basis of analyzing the symptomatic treatment of CHF with QLQX capsules,this study further expounds that the drug can intervene in ventricular remodeling through multiple pathways and targets,regulate the pathological mechanism of CHF,improve vascular endothelial function,mediate the activation of related signaling pathways,inhibit the transdifferentiation of cardiac fibroblasts,and regulate myocardial energy metabolism,thus delaying disease progression. QLQX capsules exert significant benefits in reducing composite cardiac events,improving New York Heart Association (NYHA) cardiac function classification,left ventricular ejection fraction (LVEF),6-minute walking distance (6MWD),and quality of life,demonstrating favorable clinical value. With the TCM pathogenesis of CHF as the guiding principle and modern pharmacology as the evidence,this study systematically clarifies the core advantage of QLQX capsules in treatment based on syndrome differentiation and multi-target synergy through the in-depth integration of TCM theory and modern pharmacology. It provides academic support with both theoretical depth and practical value for TCM intervention in CHF,and contributes TCM wisdom and schemes to the construction of a chronic disease management system with Chinese characteristics.
5.Mast Cell Activation Promotes Myocardial Remodeling in Alcoholic Cardiomyopathy
Qinglang LI ; Dongmei XIE ; Xiuren GAO
Journal of Sun Yat-sen University(Medical Sciences) 2026;47(3):451-458
ObjectiveTo investigate the role and related mechanisms of mast cells (MCs) in alcoholic cardiomyopathy (ACM). MethodsAn ACM model was established in C57BL/6 mice by feeding them with alcohol liquid diet, and some model mice were intervened with cromolyn sodium, a mast cell stabilizer. Cardiac function, myocardial remodeling and the expression of related proteins were evaluated by echocardiography, tissue staining and Western blot. In vitro, neonatal rat ventricular cardiomyocytes (NRVCs) were stimulated with mast cell granules (MCGs) and/or alcohol, and pathway inhibitors were used to explore the underlying mechanisms. ResultsLong-term alcohol feeding caused significant cardiac dysfunction and mast cells activation in mice, accompanied by increased expressions of chymase, NOX2, NOX4 and apoptosis-related protein cleaved Caspase-3 (c-Caspase3) in myocardial tissues (P<0.05). Pretreatment with cromolyn sodium improved cardiac function, inhibited mast cell activation, and reduced the expressions of the above proteins. In vitro experiments showed that treatment with MCGs or alcohol alone up-regulated the expressions of c-Caspase3, NOX2, NOX4 and phosphorylated PKCβ1 (p-PKCβ1) in cardiomyocytes, and the combined stimulation of the two had a synergistic effect. Protease-activated receptor 2 (PAR2) inhibitor down-regulated the MCG-induced expressions of the above proteins. PKCβ1 inhibitor also inhibited the MCG-induced expressions of c-Caspase3, NOX2 and NOX4. Chymase inhibitor exerted a partial inhibitory effect on MCG-induced cardiomyocyte apoptosis. ConclusionDuring the development of ACM, mast cells are activated, and the released MCGs may promote cardiomyocyte apoptosis through the PAR2-PKCβ1-NOX2/NOX4 signaling pathway, in which chymase plays an important role.
6.Research on the goals and strategies of effective doctor-patient communication from the perspective of information ecology theory
Huayang SUN ; Dongmei ZHAO ; Sujuan REN
Chinese Medical Ethics 2025;38(1):109-115
Doctor-patient communication not only depends on the medical group but is also affected by the patient group and the specific situation. Effective doctor-patient communication requires the doctors to improve their communication skills, the patients to have relevant knowledge regarding a certain symptom or disease, and mutual trust between the doctor and patient. The information ecology theory mainly analyzes the relationships between various ecological elements and the ecological development mechanisms in the process of information activities from the perspective of the ecosystem, as well as attaches importance to the mutual influences and roles of information subjects and objects, information contents, information environment, and information technology within the system, which is consistent with the influencing factors of doctor-patient communication. Based on the information ecology theory, this paper analyzed the new problems faced by doctor-patient communication under the information technology environment from the four dimensions, including information subjects and objects, information itself, information context, and information technology. It was proposed that effective doctor-patient communication required to re-examine the influencing factors of doctor-patient communication, as well as construct a doctor-patient community, including a community of knowledge, communication, emotion, and interest, so that the four factors of doctor-patient communication can form a new balance in the dynamic development, with a view to providing practical guidance for doctor-patient trust and effective doctor-patient communication.
7.Icariin pretreatment enhances effect of human periodontal stem cells on M1-type macrophages
Ting YU ; Dongmei LYU ; Hao DENG ; Tao SUN ; Qian CHENG
Chinese Journal of Tissue Engineering Research 2025;29(7):1328-1335
BACKGROUND:Human periodontal stem cells have a certain inhibitory effect on the pro-inflammatory function of M1-type macrophages,and it is not clear whether icariin,which has anti-inflammatory and other pharmacological activities,can enhance the inhibitory effect of human periodontal stem cells on M1-type macrophages. OBJECTIVE:To investigate the effect of icariin on M1 macrophages after pretreatment of human periodontal stem cells. METHODS:Primary human periodontal stem cells were isolated,cultured and characterized.THP-1 was induced and M1-type macrophages were identified by immunofluorescence staining and PCR.Human periodontal stem cells were cultured with α-MEM complete medium containing concentrations of 10-7,10-6,10-5,and 10-4 mol/L icariin,and the cytotoxicity of Icariin on human periodontal stem cells was detected by the CCK-8 assay at 1,3,5,and 7 days,respectively.α-MEM complete medium,untreated α-MEM conditioned medium for human periodontal stem cells and α-MEM conditioned medium for human periodontal stem cells pretreated with icariin for 24 hours were conditioned with RPMI-1640 complete medium in a 1:1 ratio for M1-type macrophages in the control,untreated,and pretreated groups,and 24 hours later,the mRNA expression of inflammatory factors in M1 macrophages was detected by RT-PCR.The protein expression of inflammatory factors in M1 macrophages was detected by ELISA.The expression of surface markers and nuclear factor-κB pathway-related proteins in M1/M2 macrophages was detected by western blot assay. RESULTS AND CONCLUSION:(1)CCK-8 assay results showed that 10-7,10-6,10-5,10-4 mol/L icariin was not cytotoxic to the human periodontal stem cells,and from day 5 onwards,all the concentrations increased the cell viability,and promoted the cell proliferation.10-4 mol/L icariin was selected for follow-up experiment.(2)RT-PCR and ELISA results showed that compared with the control group,the untreated group and the pretreated group both decreased the expression and secretion of interleukin-1β,interleukin-6,and tumor necrosis factor-α of M1-type macrophages(P<0.05),and the pretreated group was lower than the untreated group(P<0.05).(3)Western blot assay results showed that compared with the untreated group,the expression of CD86 was significantly lower in the pretreated group(P<0.05);compared with the control group,the expression of CD206,a surface marker of M2-type macrophages,was elevated in both the untreated and pretreated groups(P<0.01),and it was significantly higher in the pretreated group than in the untreated group(P<0.01).In M1-type macrophages after 24 hours of conditioned culture,compared with the control group,the expression of nuclear factor-κB/P65 was decreased in the untreated group and the pretreated group(P<0.01),and the expression of p-IκBα was decreased only in the pretreated group(P<0.01);the expression of both nuclear factor-κB/P65 and p-IκBα was significantly reduced in the pretreated group compared with the untreated group(P<0.05),while the difference of IκBα in the three groups was not statistically significant.(4)These results indicated that icariin enhanced the inhibitory effect of human periodontal stem cells on M1-type macrophages,and this effect may be related to the inhibition of the nuclear factor-κB signaling pathway of macrophages.
8.Color Space Method Combined with Chemometrics to Determine Processing Degree of Angelicae Sinensis Radix Carbonisata
Liuying QIN ; Yao HUANG ; Lifan GAN ; Yuanjun LIU ; Congyou DENG ; Dongmei SUN ; Lijin LIANG ; Lin ZHOU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(9):201-210
ObjectiveTo study the changing law of appearance color and physicochemical properties of Angelicae Sinensis Radix Carbonisata(ASRC) during the processing by color space method combined with statistical analysis, so as to provide reference for determining the processing endpoint and evaluating the quality of the decoction pieces. MethodsTaking processing time(4, 8, 12, 16 min) and temperature(180, 200, 220, 240 ℃) as factors, ASRC decoction pieces with different processing degrees were prepared in a completely randomized design. Then, the brightness value(L*), red-green value(a*), yellow-blue value(b*), and total chromaticity value (E*ab) of the decoction pieces were determined by spectrophotometer, the color difference value(ΔE) was calculated, and the data of colorimetric values were analyzed by discriminant analysis. At the same time, the pH, charcoal adsorption, and contents of tannins, 5-hydroxymethylfurfural(5-HMF), tryptophan, chlorogenic acid, ferulic acid, senkyunolide I, senkyunolide H and ligustilide of ASRC with different processing degrees were determined by pH meter, ultraviolet and visible spectrophotometry and ultra-high performance liquid chromatography(UPLC). Principal component analysis(PCA) was used to analyze the data of physicochemical indexes, after determining the processing technology of ASRC, the canonical discriminant function was established to distinguish the decoction pieces with different processing degrees, and leave-one-out cross validation was conducted. Finally, Pearson correlation analysis was used to explore the correlation between various physicochemical indexes and chromaticity values. ResultsWith the prolongation of the processing time, L*, a*, b* and E*ab all showed a decreasing trend, and the established discriminant model based on color parameters was able to distinguish ASRC with different processing degrees. The pH showed an increasing trend with the prolongation of processing time, and the charcoal adsorption, and the contents of tannins, 5-HMF, and tryptophan all showed an increasing and then decreasing trend. Among them, the charcoal adsorption, contents of tannin and 5-HMF reached their maximum values successively after processing for 8-12 min. While the contents of chlorogenic acid, ferulic acid, senkyunolide I, senkyunolide H and ligustilide decreased with the increase of processing time, with a decrease of 60%-80% at 8 min of processing. Therefore, the optimal processing time should be determined to be 8-12 min. PCA could clearly distinguish ASRC with different processing degrees, while temperature had no significant effect on the processing degree. The 12 batches of process validation results(10 min, 180-240 ℃) showed that except for 3 batches identified as class Ⅱ light charcoal, all other batches were identified as class Ⅲ standard charcoal, and the chromaticity values of each batch of ASRC were within the reference range of class Ⅱ-Ⅲ sample chromaticity values. The correlation analysis showed that the chromaticity values were negatively correlated with pH and charcoal adsorption, and positively correlated with contents of tryptophan, chlorogenic acid, ferulic acid, senkyunolide I, senkyunolide H, and ligustilide. And both pH and charcoal adsorption were negatively correlated with the contents of the above components, but the charcoal adsorption was positively correlated with the content of 5-HMF. ConclusionThe chromaticity values and the contents of various physicochemical indicators of ASRC undergo significant changes with the prolongation of processing time, and there is a general correlation between chromaticity values and various physicochemical indicators. Based on the changes in color and physicochemical indicators, the optimal processing time for ASRC is determined to be 8-12 min. This study reveals the dynamic changes of the relevant indexes in the processing of ASRC, which can provide a reference for the discrimination of the processing degree and the quantitative study of the processing endpoint.
9.Expert consensus on intraoperative repositioning for patients with spine fracture and dislocation (version 2025)
Dongmei BIAN ; Ke SUN ; Ningbo CHEN ; Caixia BAI ; Miao WANG ; Yafeng QIAO ; Fei WANG ; Hong WANG ; Feng TIAN ; Mei YAN ; Meng BAI ; Linjuan ZHANG ; Liyan ZHAO ; Yaqing CUI ; Xue JIANG ; Leling FENG ; Ning NING ; Junqin DING ; Lan WEI ; Yonghua ZHAI ; Yu ZENG ; Zengmei ZHANG ; Jiqun HE ; Fenggui BIE ; Hong CHEN ; Zengyan WANG ; Li LI ; Li ZHANG ; Yaying ZHOU ; Bing SHAO ; Ying WANG ; Caixia XIE ; Yanfeng YAO ; Jingjing AN ; Wen SHI ; Xiongtao LIU ; Xiaoyan AN ; Ning NAN ; Lan LI ; Xiaohui GOU ; Qiaomei LI ; Xiuting WU ; Yuqin ZHANG ; Jing LIU ; Fusen XIANG ; Xu XU ; Na MEI ; Jiao ZHOU ; Shan FAN ; Qian WANG ; Shuixia LI
Chinese Journal of Trauma 2025;41(2):138-147
Spine fracture and dislocation are common traumatic spinal conditions that often require surgical intervention due to compromised spinal stability. Surgical approaches include anterior, posterior, and combined anterior-posterior spinal procedures. According to the specific surgical requirements, patients may be placed in the prone position or repositioned between prone and supine positions during surgery. Intraoperative repositioning has become an essential step in patient positioning. However, during repositioning, patients with spinal fracture and dislocation are at increased risk for complications such as hemodynamic instability, nerve injury, and pressure injuries to the skin and soft tissue. Notably, due to the instability of the spinal cord, even minor manipulations can further exacerbate the damage, potentially leading to severe outcomes like paraplegia. Although the current clinical guidelines provide instructive recommendations for standard position, there remains no specific protocols for intraoperative repositioning in patients with spine fracture and dislocation. With a concern for the lack of clinical studies on positioning techniques, risk prevention, and operational norms for special patients, no applicable guidelines or standards are available. A consensus was required to provide clinical reference, meet the requirements of surgical treatment, and minimize the safety risks of patients caused by improper placement of positions. Professional Committee of Operating Room Nursing of Shaanxi Nursing Association organized experts in nursing management and operating room nursing from major hospitals across China to formulate Expert consensus on intraoperative repositioning for patients with spinal fracture and dislocation ( version 2025). The consensus provides 11 recommendations covering pre-repositioning preparation, intraoperative maneuvers, and post-repositioning observation, aiming to provide references for clinical standardization of the intraoperative repositioning process and protection of patients′ safety.
10.Clinical characteristics of juvenile dermatomyositis in anti-nuclear matrix protein 2 antibody-positive patients and risk factors for severity: a national multicenter retrospective study
Huiyuan YANG ; Wanzhen GUAN ; Ling2 YANG ; Haimei LIU ; Xiaoqing3 LI ; Haiguo YU ; Meiping LU ; Jun YANG ; Xiaohui LIU ; Hongxia ZHANG ; Wei ZHANG ; Jihong XIAO ; Xiaozhong LI ; Guomin LI ; Hong CHANG ; Sheng HAO ; Yue DU ; Daliang XU ; Ling WU ; Wenjie ZHENG ; Li LIU ; Xinhui JIANG ; Shaohui ZHU ; Dongmei ZHAO ; Xuemei TANG ; Li SUN
Chinese Journal of Pediatrics 2025;63(12):1299-1305
Objective:To investigate the clinical characteristics and independent risk factors of severe disease in patients with anti-nuclear matrix protein (NXP) 2 antibody-positive juvenile dermatomyositis (JDM).Methods:A retrospective cohort study was conducted, including 219 anti-NXP2 antibody-positive JDM patients admitted to 23 children′s hospitals across China from July 2011 to July 2023. Patients were classified into severe and non-severe groups based on classification criteria for severe dermatomyositis. Demographic characteristics, clinical manifestations, and laboratory parameters were compared between the 2 groups using independent sample t-test, Mann-Whitney U test, or χ2 test. Univariate and multivariate Logistic regression analyses were performed to identify risk factors for severe disease. The receiver operating characteristic curve was employed to calculate optimal cut-off values. Results:Among the 219 patients, 108 were male and 111 were female, with an age at onset of 6.3 (3.5, 9.4) years. The severe group comprised 69 patients, and the non-severe group 150 patients. The severe group had significantly higher rates of fever, heliotrope rash, subcutaneous edema, periorbital edema, anti-Ro52 antibody positivity, as well as elevated levels of ferritin-to-albumin ratio (FAR), creatine kinase (CK), aspartate aminotransferase (AST), and lactate dehydrogenase (LDH) (all P<0.05). Multivariate analysis identified anti-Ro52 antibody positivity ( OR=13.26, 95% CI 1.37-128.29) and elevated FAR ( OR=1.90, 95% CI 1.09-2.31) as independent risk factors for severe anti-NXP2 antibody-positive JDM (both P<0.05). Receiver operating characteristic curve analysis revealed that a FAR cutoff value of 6.82 predicted severe disease with an area under the curve of 0.87 (95% CI 0.81-0.94, P<0.001), sensitivity of 0.85, and specificity of 0.70. All patients received glucocorticoid therapy, and the severe group received higher proportions of steroid pulse therapy, cyclophosphamide, mycophenolate mofetil, intravenous immunoglobulin, biologics, and adjuvant treatments compared to the non-severe group (all P<0.05). In terms of outcomes, 2 patients (2.9%) in the severe group died (due to neurological involvement and intestinal perforation, respectively), while the remaining patients achieved complete clinical response or remission. All patients in the non-severe group achieved remission. Conclusions:The primary clinical features of anti-NXP2 antibody-positive JDM included fever, heliotrope rash, subcutaneous edema, periorbital edema, anti-Ro52 antibody positivity, and elevated levels of CK, AST, LDH, and FAR. Furthermore, anti-Ro52 antibody positivity and a FAR>6.82 were identified as independent risk factors.

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