1.Expert Consensus on Clinical Application of Qidong Yixin Oral Liquid
Changkuan FU ; Xiaochang MA ; Mingjun ZHU ; Yue DENG ; Hongxu LIU ; Mingxue ZHANG ; Ying CHEN ; Yan ZHOU ; Ling ZHANG ; Jianhua FU ; Wei YANG ; Yu'er HU ; Ming CHEN ; Yanming XIE ; Yuanyuan LI
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(4):147-158
The prescription of Qidong Yixin oral liquid is derived from the experience of national medical master Ren Jixue in treating viral myocarditis (VMC). It has the functions of tonifying Qi, nourishing the heart,calming the mind, and relieving palpitations. It is used to treat VMC and angina pectoris of coronary heart disease caused by deficiency of both Qi and Yin. However,the understanding of its efficacy evidence, advantageous aspects, dosage and administration, and medication safety remains insufficient in clinical practice. Therefore,the development of the Expert Consensus on the Clinical Application of Qidong Yixin Oral Liquid (hereinafter referred to as consensus) was initiated. Consensus strictly followed the process and methods of the expert consensus on the clinical application of Chinese patent medicines of the China Association of Chinese Medicine,successively completing multiple tasks such as the consensus project initiation,determination of clinical problems,evidence search and evaluation,formation of recommendation opinions and consensus suggestions,solicitation of opinions,peer review, submission for review and release, and so on. Consensus formed a total of 10 recommendation opinions and 12 consensus suggestions,clarifying the clinical positioning,efficacy advantages,syndrome differentiation,dosage and administration,combination therapy,timing of medication,adverse reactions,contraindications, and precautions of Qidong Yixin oral liquid,indicating that it has good clinical advantages and safety in the treatment of VMC and angina pectoris of coronary heart disease,providing norms and references for physicians to safely and rationally apply Qidong Yixin oral liquid. Consensus was reviewed and approved for release by the Standardization Office of the China Association of Chinese Medicine on December 23, 2024. Standard number:GSCACM-376-2024.
2.Xuefu Zhuyutang Ameliorates Metabolic-associated Fatty Liver Disease via AMPK Signaling Pathway
Ming HAN ; Ying ZHANG ; Lingya KONG ; Jun DAI ; Ting ZHANG ; Zhihong MA
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(11):1-12
ObjectiveTo investigate the therapeutic mechanism of Xuefu Zhuyutang (XFZYT) for metabolic-associated fatty liver disease (MAFLD) through integrated network pharmacology and animal experiments. MethodsNetwork pharmacology was utilized to predict the core components, key therapeutic targets, and signaling pathways of XFZYT in the treatment of MAFLD. For animal experiments, a rat model of MAFLD was established by feeding a high-cholesterol diet for 4 weeks. Intervention was then administered with low-dose (2 g·kg-1) and high-dose (4 g·kg-1) XFZYT for 2 weeks. Biochemical assays were performed to measure the serum levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT), total cholesterol (TC), triglycerides (TG), high-density lipoprotein (HDL), and low-density lipoprotein (LDL). In addition, the activities of superoxide dismutase (SOD) and catalase (CAT) and levels of malondialdehyde (MDA) and glutathione (GSH) in the serum were measured. The same way was adopted to measure the levels of TC and TG in the liver tissue. Enzyme-linked immunosorbent assay (ELISA) was employed to quantify the serum levels of interleukin (IL)-6, IL-1β, and tumor necrosis factor-alpha (TNF-α). Histopathological evaluations included hematoxylin and eosin (HE) staining for liver tissue morphology, Oil Red O staining for lipid deposition, and dihydroethidium (DHE) probe staining for reactive oxygen species (ROS) levels. Western blot analysis was conducted to assess the protein levels of AMP-activated protein kinase (AMPK), phosphorylated (p)-AMPK, nuclear factor erythroid 2-related factor 2 (Nrf2), heme oxygenase-1 (HO-1), nuclear factor-kappa B (NF-κB), and p-NF-κB in the liver tissue. Untargeted metabolomics analysis of the serum was performed by liquid chromatography-tandem mass spectrometry (LC-MS/MS). ResultsNetwork pharmacology analysis predicted 155 potential targets of XFZYT for MAFLD treatment, with core targets including signal transducer and activator of transcription 3 (STAT3), protein kinase B1 (Akt1), TNF, and IL-6. Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment primarily implicated the AMPK signaling pathway. Animal experiments demonstrated that compared with the normal group, the model group exhibited dyslipidemia, hepatic function impairment, pronounced hepatic lipid deposition, and inflammatory manifestations, with elevated serum levels of AST, ALT, TC, TG, LDL, and MDA (P<0.05), reduced HDL and GSH levels plus decreased SOD and CAT activities (P<0.05), downregulated protein levels of Nrf2, HO-1, and p-AMPK (P<0.05), and upregulated protein level of p-NF-κB (P<0.05) in the liver tissue. Compared with the model group, XFZYT intervention groups showed significant amelioration of dyslipidemia and hepatic function impairment, markedly reduced hepatic lipid deposition and inflammatory cell infiltration, decreased serum levels of AST, ALT, TC, TG, LDL, and MDA (P<0.05), increased HDL and GSH levels plus enhanced SOD and CAT activities (P<0.05), upregulated protein levels of Nrf2, HO-1, and p-AMPK (P<0.05), and downregulated protein level of p-NF-κB (P<0.05). Serum metabolomics revealed 511 differentially expressed metabolites (231 upregulated and 280 downregulated) between normal and model groups, while XFZYT groups versus model group showed 94 differential metabolites (51 upregulated and 43 downregulated). Among them, 11 metabolites displayed the most significant alterations, with enriched pathways including glycerolipid metabolism, cholesterol metabolism, and insulin resistance, multiple of which demonstrated AMPK association. ConclusionXFZYT alleviates MAFLD by regulating the AMPK signaling pathway and associated metabolic networks.
3.Treatment of hypertensive nephropathy based on"five viscera in one"view
Hong WANG ; Lu-fan SHEN ; Rui-ling MA ; Ming-shuang HOU ; Hong-ying LÜ ; Guan-jun JIA ; Lin YI
The Chinese Journal of Clinical Pharmacology 2025;41(1):121-126
Hypertensive nephropathy is one of the common chronic kidney diseases in China,the morbidity and mortality are increasing year by year,which seriously endangers the physical and mental health of patients.Traditional Chinese medicine believes that human is an organic whole,the five viscera and six organs are closely related in physiology and pathology,based on the theory of"holistic concept",the application of Chinese medicine in the treatment of hypertensive nephropathy can effectively improve kidney function and reduce the occurrence of adverse reactions.Therefore,based on the theory of"five viscera in one",this paper summarizes the etiology and pathogenesis of hypertensive nephropathy and the treatment of hypertensive nephropathy from the five aspects of liver,heart,spleen,lung and kidney,aiming to provide new ideas for the prevention and treatment of kidney disease by traditional Chinese medicine.
4.Risk prevention and control and quality efficiency improvement of medical equipment procurement
Quan-quan LI ; Ming QIU ; Shu-ying LI ; Xin-yi HUANG ; Yu ZHENG ; Zhi-ling WANG ; Ke MA
Chinese Medical Equipment Journal 2025;46(3):81-85
Objective To investigate the impact of risk prevention and control on the quality efficiency of medical equipment procurement.Methods The medical equipment procurement projects with enhanced risk prevention measures during 2023(119 items)were assigned to an observation group,while those without strengthened risk control during 2022(118 items)were enrolled into a control group.The two groups were compared in terms of bid failure/rejection rates,procurement completion cycles(including procurement execution cycle and total procurement cycle)and procurement satisfaction.Statistical analysis was performed using SPSS 20.0 software.Results The observation group demonstrated significantly lower bid failure/rejection rates when compared with the control group(≥2 occurrences:5.88%vs.15.25%,P<0.05).The procurement execution cycle was notably shorter in the observation group((69.16±78.65)d vs.(97.67±49.84)d,P<0.05),though no significant difference was observed in total procurement cycle(P>0.05).The observation group behaved better significantly than the control group in procurement efficiency,equipment performance,procedural compliance and post-purchase service satisfaction(all P<0.05).Conclusion Risk prevention and control measures in medical equipment procurement effectively reduce bid failure/rejection risks while enhancing procurement quality efficiency.[Chinese Medical Equipment Journal,2025,46(3):81-85]
5.Expression and Clinical Significance of CaMKIIγ in Patients with Acute Myeloid Leukemia.
Ming-Kai LIU ; Xu DAI ; Xiao-Ying ZHAO ; Wei-Wei ZHENG ; Ya-Jing MA
Journal of Experimental Hematology 2025;33(3):726-732
OBJECTIVE:
To investigate the expression and potential mechanism of calcium/calmodulin-dependent protein kinase II gamma (CaMKIIγ) in patients with acute myeloid leukemia (AML).
METHODS:
Peripheral blood samples were collected from 90 AML patients, and mononuclear cells were isolated. The expression of CaMKIIγ was measured using real-time quantitative PCR and Western blot. The diagnostic value of CaMKIIγ for AML was assessed, and its correlation with clinical characteristics was analyzed using the clinical data of patients. Additionally, the molecular mechanisms of CaMKIIγ were preliminarily explored.
RESULTS:
Compared with the control group, the expression of CaMKIIγ was significantly upregulated in AML patients. Receiver operating characteristic (ROC) curve analysis showed that CaMKIIγ could serve as a promising biomarker for distinguishing AML patients from healthy individuals. Furthermore, CaMKIIγ was significantly correlated with white blood cell (WBC) count and FLT3-ITD mutation. CaMKIIγ was highly expressed in both newly diagnosed and relapsed AML patients, while decreased during remission. In AML cell lines, the expression levels of CaMKIIγ were all elevated. Inhibition of phosphorylated CaMKIIγ by berbamine led to a decrease in pAKT and pSTAT5 expression.
CONCLUSION
CaMKIIγ is significantly upregulated in AML patients, and is associated with poor clinicopathological features and unfavorable prognosis. It may serve as a prognostic marker and potential therapeutic target in AML. Its expression may be related to the activation of pAKT and pSTAT5, suggesting that CaMKIIγ may contribute to the development and progression of AML through the activation of the AKT/STAT5 signaling pathway.
Humans
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Leukemia, Myeloid, Acute/metabolism*
;
Calcium-Calmodulin-Dependent Protein Kinase Type 2/metabolism*
;
STAT5 Transcription Factor/metabolism*
;
Male
;
Female
;
Proto-Oncogene Proteins c-akt/metabolism*
;
Mutation
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Middle Aged
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Adult
;
Clinical Relevance
6.Analgesic Effect of Dehydrocorydaline on Chronic Constriction Injury-Induced Neuropathic Pain via Alleviating Neuroinflammation.
Bai-Ling HOU ; Chen-Chen WANG ; Ying LIANG ; Ming JIANG ; Yu-E SUN ; Yu-Lin HUANG ; Zheng-Liang MA
Chinese journal of integrative medicine 2025;31(6):499-505
OBJECTIVE:
To illustrate the role of dehydrocorydaline (DHC) in chronic constriction injury (CCI)-induced neuropathic pain and the underlying mechanism.
METHODS:
C57BL/6J mice were randomly divided into 3 groups by using a random number table, including sham group (sham operation), CCI group [intrathecal injection of 10% dimethyl sulfoxide (DMSO)], and CCI+DHC group (intrathecal injection of DHC), 8 mice in each group. A CCI mouse model was conducted to induce neuropathic pain through ligating the right common sciatic nerve. On day 14 after CCI modeling or sham operation, mice were intrathecal injected with 5 µL of 10% DMSO or 10 mg/kg DHC (5 µL) into the 5th to 6th lumbar intervertebral space (L5-L6). Pregnant ICR mice were sacrificed for isolating primary spinal neurons on day 14 of embryo development for in vitro experiment. Pain behaviors were evaluated by measuring the paw withdrawal mechanical threshold (PWMT) of mice. Immunofluorescence was used to observe the activation of astrocytes and microglia in mouse spinal cord. Protein expressions of inducible nitric oxide synthase (iNOS), tumor necrosis factor alpha (TNF-α), interleukin 6 (IL-6), phosphorylation of N-methyl-D-aspartate receptor subunit 2B (p-NR2B), and NR2B in the spinal cord or primary spinal neurons were detected by Western blot.
RESULTS:
In CCI-induced neuropathic pain model, mice presented significantly decreased PWMT, activation of glial cells, overexpressions of iNOS, TNF-α, IL-6, and higher p-NR2B/NR2B ratio in the spinal cord (P<0.05 or P<0.01), which were all reversed by a single intrathecal injection of DHC (P<0.05 or P<0.01). The p-NR2B/NR2B ratio in primary spinal neurons were also inhibited after DHC treatment (P<0.05).
CONCLUSION
An intrathecal injection of DHC relieved CCI-induced neuropathic pain in mice by inhibiting the neuroinflammation and neuron hyperactivity.
Animals
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Neuralgia/etiology*
;
Mice, Inbred C57BL
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Analgesics/pharmacology*
;
Neuroinflammatory Diseases/pathology*
;
Constriction
;
Male
;
Receptors, N-Methyl-D-Aspartate/metabolism*
;
Nitric Oxide Synthase Type II/metabolism*
;
Mice, Inbred ICR
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Microglia/pathology*
;
Spinal Cord/drug effects*
;
Female
;
Mice
;
Tumor Necrosis Factor-alpha/metabolism*
;
Disease Models, Animal
;
Constriction, Pathologic/complications*
;
Interleukin-6/metabolism*
;
Astrocytes/metabolism*
;
Chronic Disease
;
Neurons/metabolism*
7.Glucocorticoid Discontinuation in Patients with Rheumatoid Arthritis under Background of Chinese Medicine: Challenges and Potentials Coexist.
Chuan-Hui YAO ; Chi ZHANG ; Meng-Ge SONG ; Cong-Min XIA ; Tian CHANG ; Xie-Li MA ; Wei-Xiang LIU ; Zi-Xia LIU ; Jia-Meng LIU ; Xiao-Po TANG ; Ying LIU ; Jian LIU ; Jiang-Yun PENG ; Dong-Yi HE ; Qing-Chun HUANG ; Ming-Li GAO ; Jian-Ping YU ; Wei LIU ; Jian-Yong ZHANG ; Yue-Lan ZHU ; Xiu-Juan HOU ; Hai-Dong WANG ; Yong-Fei FANG ; Yue WANG ; Yin SU ; Xin-Ping TIAN ; Ai-Ping LYU ; Xun GONG ; Quan JIANG
Chinese journal of integrative medicine 2025;31(7):581-589
OBJECTIVE:
To evaluate the dynamic changes of glucocorticoid (GC) dose and the feasibility of GC discontinuation in rheumatoid arthritis (RA) patients under the background of Chinese medicine (CM).
METHODS:
This multicenter retrospective cohort study included 1,196 RA patients enrolled in the China Rheumatoid Arthritis Registry of Patients with Chinese Medicine (CERTAIN) from September 1, 2019 to December 4, 2023, who initiated GC therapy. Participants were divided into the Western medicine (WM) and integrative medicine (IM, combination of CM and WM) groups based on medication regimen. Follow-up was performed at least every 3 months to assess dynamic changes in GC dose. Changes in GC dose were analyzed by generalized estimator equation, the probability of GC discontinuation was assessed using Kaplan-Meier curve, and predictors of GC discontinuation were analyzed by Cox regression. Patients with <12 months of follow-up were excluded for the sensitivity analysis.
RESULTS:
Among 1,196 patients (85.4% female; median age 56.4 years), 880 (73.6%) received IM. Over a median 12-month follow-up, 34.3% (410 cases) discontinued GC, with significantly higher rates in the IM group (40.8% vs. 16.1% in WM; P<0.05). GC dose declined progressively, with IM patients demonstrating faster reductions (median 3.75 mg vs. 5.00 mg in WM at 12 months; P<0.05). Multivariate Cox analysis identified age <60 years [P<0.001, hazard ratios (HR)=2.142, 95% confidence interval (CI): 1.523-3.012], IM therapy (P=0.001, HR=2.175, 95% CI: 1.369-3.456), baseline GC dose ⩽7.5 mg (P=0.003, HR=1.637, 95% CI: 1.177-2.275), and absence of non-steroidal anti-inflammatory drugs use (P=0.001, HR=2.546, 95% CI: 1.432-4.527) as significant predictors of GC discontinuation. Sensitivity analysis (545 cases) confirmed these findings.
CONCLUSIONS
RA patients receiving CM face difficulties in following guideline-recommended GC discontinuation protocols. IM can promote GC discontinuation and is a promising strategy to reduce GC dependency in RA management. (Trial registration: ClinicalTrials.gov, No. NCT05219214).
Adult
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Aged
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Female
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Humans
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Male
;
Middle Aged
;
Arthritis, Rheumatoid/drug therapy*
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Glucocorticoids/therapeutic use*
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Medicine, Chinese Traditional
;
Retrospective Studies
8.Three-dimensional kinematic analysis can improve the efficacy of acupoint selection for post-stroke patients with upper limb spastic paresis: A randomized controlled trial.
Xin-Yun HUANG ; Ou-Ping LIAO ; Shu-Yun JIANG ; Ji-Ming TAO ; Yang LI ; Xiao-Ying LU ; Yi-Ying LI ; Ci WANG ; Jing LI ; Xiao-Peng MA
Journal of Integrative Medicine 2025;23(1):15-24
BACKGROUND:
China is seeing a growing demand for rehabilitation treatments for post-stroke upper limb spastic paresis (PSSP-UL). Although acupuncture is known to be effective for PSSP-UL, there is room to enhance its efficacy.
OBJECTIVE:
This study explored a semi-personalized acupuncture approach for PSSP-UL that used three-dimensional kinematic analysis (3DKA) results to select additional acupoints, and investigated the feasibility, efficacy and safety of this approach.
DESIGN, SETTING, PARTICIPANTS AND INTERVENTIONS:
This single-blind, single-center, randomized, controlled trial involved 74 participants who experienced a first-ever ischemic or hemorrhagic stroke with spastic upper limb paresis. The participants were then randomly assigned to the intervention group or the control group in a 1:1 ratio. Both groups received conventional treatments and acupuncture treatment 5 days a week for 4 weeks. The main acupoints in both groups were the same, while participants in the intervention group received additional acupoints selected on the basis of 3DKA results. Follow-up assessments were conducted for 8 weeks after the treatment.
MAIN OUTCOME MEASURES:
The primary outcome was the Fugl-Meyer Assessment for Upper Extremity (FMA-UE) response rate (≥ 6-point change) at week 4. Secondary outcomes included changes in motor function (FMA-UE), Brunnstrom recovery stage (BRS), manual muscle test (MMT), spasticity (Modified Ashworth Scale, MAS), and activities of daily life (Modified Barthel Index, MBI) at week 4 and week 12.
RESULTS:
Sixty-four participants completed the trial and underwent analyses. Compared with control group, the intervention group exhibited a significantly higher FMA-UE response rate at week 4 (χ2 = 5.479, P = 0.019) and greater improvements in FMA-UE at both week 4 and week 12 (both P < 0.001). The intervention group also showed bigger improvements from baseline in the MMT grades for shoulder adduction and elbow flexion at weeks 4 and 12 as well as thumb adduction at week 4 (P = 0.007, P = 0.049, P = 0.019, P = 0.008, P = 0.029, respectively). The intervention group showed a better change in the MBI at both week 4 and week 12 (P = 0.004 and P = 0.010, respectively). Although the intervention group had a higher BRS for the hand at week 12 (P = 0.041), no intergroup differences were observed at week 4 (all P > 0.05). The two groups showed no differences in MAS grades as well as in BRS for the arm at weeks 4 and 12 (all P > 0.05).
CONCLUSION:
Semi-personalized acupuncture prescription based on 3DKA results significantly improved motor function, muscle strength, and activities of daily living in patients with PSSP-UL.
TRIAL REGISTRATION
Chinese Clinical Trial Registry ChiCTR2200056216. Please cite this article as: Huang XY, Liao OP, Jiang SY, Tao JM, Li Y, Lu XY, Li YY, Wang C, Li J, Ma XP. Three-dimensional kinematic analysis can improve the efficacy of acupoint selection for post-stroke patients with upper limb spastic paresis: A randomized controlled trial. J Integr Med. 2025; 23(1): 15-24.
Humans
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Male
;
Female
;
Middle Aged
;
Acupuncture Points
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Upper Extremity/physiopathology*
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Biomechanical Phenomena
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Single-Blind Method
;
Aged
;
Stroke/therapy*
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Acupuncture Therapy/methods*
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Stroke Rehabilitation/methods*
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Adult
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Muscle Spasticity/therapy*
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Paresis/physiopathology*
;
Treatment Outcome
9.Molecular Characterization of New Recombinant Human Adenoviruses Detected in Children with Acute Respiratory Tract Infections in Beijing, China, 2022-2023.
Yi Nan GUO ; Ri DE ; Fang Ming WANG ; Zhen Zhi HAN ; Li Ying LIU ; Yu SUN ; Yao YAO ; Xiao Lin MA ; Shuang LIU ; Chunmei ZHU ; Dong QU ; Lin Qing ZHAO
Biomedical and Environmental Sciences 2025;38(9):1071-1081
OBJECTIVE:
Recombination events are common and serve as the primary driving force of diverse human adenovirus (HAdV), particularly in children with acute respiratory tract infections (ARIs). Therefore, continual monitoring of these events is essential for effective viral surveillance and control.
METHODS:
Respiratory specimens were collected from children with ARIs between January 2022 and December 2023. The penton base, hexon, and fiber genes were amplified from HAdV-positive specimens and sequenced to determine the virus type. In cases with inconsistent typing results, genes were cloned into the pGEM-T vector to detect recombination events. Metagenomic next-generation sequencing (mNGS) was performed to characterize the recombinant HAdV genomes.
RESULTS:
Among 6,771 specimens, 277 (4.09%, 277/6,771) were positvie for HAdV, of which 157 (56.68%, 157/277) were successfully typed, with HAdV-B3 being the dominant type (91.08%, 143/157), and 14 (5.05%, 14/277) exhibited inconsistent typing results, six of which belonged to species B. The penton base genes of these six specimens were classified as HAdV-B7, whereas their hexon and fiber genes were classified as HAdV-B3, resulting in a recombinant genotype designated P7H3F3, which closely resembled HAdV-B114. Additionally, a partial gene encoding L1 52/55 kD was identified, which originated from HAdV-B16.
CONCLUSION
A novel recombinant, P7H3F3, was identified, containing sequences derived from HAdV-B3 and HAdV-B7, which is similar to HAdV-B114, along with additional sequences from HAdV-B16.
Humans
;
Adenoviruses, Human/isolation & purification*
;
Respiratory Tract Infections/epidemiology*
;
Child, Preschool
;
Child
;
Recombination, Genetic
;
Male
;
Beijing/epidemiology*
;
Infant
;
Female
;
Phylogeny
;
Adenovirus Infections, Human/epidemiology*
;
Acute Disease
;
Genome, Viral
10.Analysis of factors influencing frequent episodes in children with moderate-to-severe atopic dermatitis: a national multicenter cross-sectional study
Jing TIAN ; Yifeng GUO ; Xiaoyan LUO ; Yuan LIANG ; Ping LI ; Jinping CHEN ; Yao LU ; Jianping TANG ; Yunsheng LIANG ; Ying GAO ; Qiufang QIAN ; Hong SHU ; Hongxiang CHEN ; Pingshen FAN ; Xiuping HAN ; Hua QIAN ; Qinfeng LI ; Ming LI ; Shengchun WANG ; Ying LIU ; Hua WANG ; Lin MA
Chinese Journal of Dermatology 2025;58(10):943-951
Objective:To investigate factors influencing frequent episodes (≥ 4 episodes within 1 year) in children with moderate-to-severe atopic dermatitis (AD) in China.Methods:A national multicenter cross-sectional study was conducted. Patients under the age of 18 years diagnosed with moderate-to-severe AD were enrolled at dermatology clinics in 18 medical institutions across 12 provinces and municipalities in China between June 12 and August 8, 2023. At the time of the visit, their guardians completed a structured questionnaire covering demographic characteristics, clinical features of AD, personal and family history, factors associated with frequent episodes of moderate-to-severe AD, compliance with treatment, and disease awareness. Statistical analyses included t tests, one-way analysis of variance, rank-sum tests, and chi-square tests, with multiple-response analysis applied for multiple-choice questions. Results:A total of 965 valid questionnaires were collected, and 965 children with moderate-to-severe AD were included. Among them, there were 531 males and 434 females, 678 (70.3%) were aged 2 - < 12 years, 837 (86.7%) were from urban areas, the age at onset was 2.47 ± 3.03 years, and the median frequency of AD episodes in the past year was 4 times. These children were divided into 2 groups based on the median episode frequency: < 4-episode group (439 cases, 45.5%) and ≥ 4-episode group (526 cases, 54.5%). Compared with the < 4-episode group, children in the ≥ 4-episode group showed younger ages at onset (2.22 ± 2.98 years vs. 2.76 ± 3.06 years, P = 0.006) and higher proportions of patients with comorbid allergic diseases in both the children themselves (82.9% [436/526] vs. 69.7% [306/439], χ2 = 23.42, P < 0.001) and their relatives (66.0% [347/526] vs. 57.4% [252/439], χ2 = 7.46, P = 0.006). Children in the ≥ 4- episode group also had higher monthly usage of moisturizers (150 [30, 300] g vs. 60 [6, 200] g) and daily frequency of moisturizer use, greater disease awareness, but more severe fear of medication use (all P < 0.05). The region and the human development index level were both significantly associated with the episode frequency (both P < 0.001), with the highest proportion of children from South China in the ≥ 4- episode group (36.3%, 191/526). Children in the ≥ 4-episode group also had a longer duration of topical glucocorticoid use than those in the < 4-episode group ( Z = -2.21, P = 0.027). External triggers associated with AD episodes mainly included heat exposure (50.36%, 486/965), hot water bathing (40.73%, 393/965), seafood (23.52%, 227/965), and dust mites (33.37%, 322/965) . Conclusion:In children with moderate-to-severe AD in China, factors influencing frequent episodes may include residence in southern or economically developed regions, earlier age at onset, having a personal or family history of allergic diseases, and fear of medication use.

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