摘要 目的 探讨脑小血管病（CSVD）患者中运动认知风险综合征（MCR）与神经影像学标志物之间的关系，并评估MCR相关的影像学标志物及比较其与轻度认知功能障碍（MCI）的影像学标志物是否不同。方法 研究回顾性选取了河北医科大学第三医院自2023年4月—2024年11月收治的187例脑小血管病患者。根据是否诊断MCR及MCI进行分组。收集患者的临床资料和影像学数据，使用单变量和多因素Logistic回归分析探讨CSVD患者MCR的影像学特征。结果 CSVD患者中MCR阳性组在体重指数（BMI）、男性比例、高血压、存在腔隙、严重的脑白质高信号（WMH）、严重的基底节区扩大的血管周围间隙（EPVS）和严重CSVD总负荷方面患者比例比MCR阴性组更高（P<0.05）。多因素Logistic回归分析显示，WMH总体积是CSVD患者MCR的独立危险因素（OR=1.038，95%CI 1.003~1.075，P=0.033）。以MCI、MCR两个指标分组显示，MCI+/MCR+较其他组比较，高血压病比例更高（其中MCI-/MCR+组较MCI+/MCR-组比高血压病比例更高），WMH总体积、严重的脑深部及脑室旁WMH、严重的EPVS比例更高（P<0.05）。其中单纯MCR阳性组（MCI-/MCR+）与单纯MCI阳性组（MCI+/MCR-）比较，脑室旁及深部WMH有更高的分级（2级、3级高于MCI+/MCR-组）及更大的总体积（P<0.05）。CSVD总负荷方面差异无统计学意义（P>0.05）。结论 WMH是CSVD患者合并MCR的独立危险因素。MCR与更大的WMH体积相关。本研究强调了MCR的脑白质异常，运动评估在早期痴呆风险分层中的潜力。 Abstract Objective To investigate the association between motoric cognitive risk syndrome （MCR） and neuroimaging markers in patients with cerebral small vessel disease （CSVD）， to assess the imaging markers associated with MCR， and to compare the differences in imaging markers between MCR and mild cognitive impairment （MCI）. Methods A retrospective study was conducted among 187 patients with CSVD who were admitted to Department of Neurology， Hebei Medical University Third Hospital， from April 2023 to November 2024， and they were divided into groups based on whether they were diagnosed with MCR or MCI. Clinical and imaging data were collected， and the univariate and multivariate logistic regression analyses were used to investigate the imaging features of CSVD patients with MCR. Results Compared with the MCR-negative group， the MCR-positive group had significantly higher BMI， proportion of male patients，and proportion of patients with hypertension， lacunar infarcts， severe white matter hyperintensity （WMH）， severe enlarged perivascular space （EPVS） in the basal ganglia， and high CSVD total burden （P<0.05）. The multivariate logistic regression analysis showed that the total volume of WMH was an independent risk factor for MCR in CSVD patients（OR=1.038，95%CI 1.003‒1.075，P=0.033）. Stratification by MCI，MCR showed that compared with the other groups， the MCI+/MCR+ group had a significantly higher proportion of patients with hypertension （the MCI-/MCR+ group had a higher proportion of patients with hypertension than the MCI+/MCR- group）， a significantly higher total volume of WMH， a significantly higher proportion of patients with severe deep brain and paraventricular WMH， and a significantly higher proportion of patients with severe EPVS（P<0.05）.Compared with the MCI+/MCR-group， the MCI-/MCR+ group had significantly higher grades （a significantly higher proportion of patients with grade 2 or 3 WMH than the MCI+/MCR- group） and total volume of periventricular and deep WMH（P<0.05）. There was no significant difference in CSVD total burden between groups（P>0.05）. Conclusion WMH is an independent risk factor for MCR in patients with CSVD. MCR is associated with a larger volume of WMH.This study highlights white matter abnormalities in MCR and the potential of motor function assessment in early risk stratification for dementia.

Objective:The purpose of this study was to develop a dynamic prediction model for patients with gastric signet ring cell cancer (GSRCC)following laparoscopic radical gastrectomy in order to improve the precision and usefulness of prognoses prediction for overall survival and disease-free survival.Methods:From 2011 to 2018, 914 National Cancer Center patients participated in the study. To find independent prognostic indicators and create a prognostic nomogram model, univariate and multivariate regression analyses were performed. Calibration curves, receiver operating characteristic curves, and consistency indices were used to assess the model's performance. To make clinical application more convenient, two web-based prediction tools were created.Results:A training set of 639 cases and a validation set of 275 instances were randomly selected from among the patients. Important predictive variables such as age, tumor size, location, pN and pT staging, and postoperative chemotherapy were all incorporated in the model (all P<0.05). The model's consistency index and area under the receiver operating characteristic curves were both higher than 0.7, and the calibration curves demonstrated a good fit between the expected and actual values, indicating high accuracy and consistency in postoperative survival prediction for patients with gastric signet ring cell carcinoma. Conclusion:We successfully developed two dynamic prediction models in this study, which improved its clinical practicability using web-based tools and is anticipated to be crucial to clinical practice going forward.

ObjectiveTo investigate the awareness and clinical practice of guidelines for the prevention and treatment of chronic hepatitis B （2022 edition） among clinicians. MethodsFrom July 19 to December 31， 2024， a self-designed electronic questionnaire was distributed via the WeChat mini program to collect related data from 1 588 clinicians nationwide， including their awareness and practice based on 18 questions regarding testing and referral， diagnosis and treatment， and follow-up. ResultsAmong all respondents， only 350 clinicians correctly understood all the updated key points of antiviral indications and treatment for special populations in the 2022 edition of guidelines for the prevention and treatment of chronic hepatitis B， with an overall awareness rate of 22.0%. Only 20% ‍—‍ ‍40% of the patients with positive HBV DNA and an age of >30 years receive antiviral therapy， while 80% ‍—‍ ‍100% of the patients with positive HBV DNA and a family history of hepatitis B cirrhosis or hepatocellular carcinoma receive antiviral therapy. The median follow-up rates at 1 year， 3 years， and 5 years were 67.5% 57.5% and 47.5%，respectively， showing a trend of gradual reduction， which might be associated with the influencing factors such as insufficient time for follow-up management by clinicians， insufficient awareness of the disease among patients， and poor adherence to follow-up. ConclusionThere is a gap between the awareness and practice of guidelines for the prevention and treatment of chronic hepatitis B （2022 edition） among clinicians. It is recommended to further strengthen training and focus on the whole process of “detection， diagnosis， treatment， and management” for patients with chronic hepatitis B in healthcare institutions， in order to promote the implementation of the guidelines.

The emergence of antimicrobial resistance(AMR)of bacteria leads to a decrease or even failure in the effectiveness of antimicrobial treatment,poses a huge challenge to clinical anti-infective treatment,and seriously threatens human life.Therefore,coping with AMR of bacteria has become a major challenge and research hot spot in the field of global public health.Due to the wide sources and diverse biological activities,natural compounds play an important role in the practice of"reduction of antimicrobial agents,replacement for antimicrobial agents,and free of antimicrobial agents"in the breeding industry.In recent years,studies have discovered that a variety of natural compounds can serve as enhancer for antimicrobial agents,and the combined use of natural compounds with antimi-crobial agents can restore the antimicrobial sensitivity of antimicrobial-resistant bacteria and enhance antimicrobial effects.This indicates that natural compounds have the potential to serve as new strategies in coping with AMR of bacteria.This paper reviews the synergistic antibacterial mechanism of natural compounds combined with antimicro-bial agents based on the main resistance mechanisms of bacteria,and looks forward to their application prospects and challenges,in the hope of providing new ideas and strategies for coping with the crisis of bacteria AMR.

Objective:The purpose of this study was to develop a dynamic prediction model for patients with gastric signet ring cell cancer (GSRCC)following laparoscopic radical gastrectomy in order to improve the precision and usefulness of prognoses prediction for overall survival and disease-free survival.Methods:From 2011 to 2018, 914 National Cancer Center patients participated in the study. To find independent prognostic indicators and create a prognostic nomogram model, univariate and multivariate regression analyses were performed. Calibration curves, receiver operating characteristic curves, and consistency indices were used to assess the model's performance. To make clinical application more convenient, two web-based prediction tools were created.Results:A training set of 639 cases and a validation set of 275 instances were randomly selected from among the patients. Important predictive variables such as age, tumor size, location, pN and pT staging, and postoperative chemotherapy were all incorporated in the model (all P<0.05). The model's consistency index and area under the receiver operating characteristic curves were both higher than 0.7, and the calibration curves demonstrated a good fit between the expected and actual values, indicating high accuracy and consistency in postoperative survival prediction for patients with gastric signet ring cell carcinoma. Conclusion:We successfully developed two dynamic prediction models in this study, which improved its clinical practicability using web-based tools and is anticipated to be crucial to clinical practice going forward.

The emergence of antimicrobial resistance(AMR)of bacteria leads to a decrease or even failure in the effectiveness of antimicrobial treatment,poses a huge challenge to clinical anti-infective treatment,and seriously threatens human life.Therefore,coping with AMR of bacteria has become a major challenge and research hot spot in the field of global public health.Due to the wide sources and diverse biological activities,natural compounds play an important role in the practice of"reduction of antimicrobial agents,replacement for antimicrobial agents,and free of antimicrobial agents"in the breeding industry.In recent years,studies have discovered that a variety of natural compounds can serve as enhancer for antimicrobial agents,and the combined use of natural compounds with antimi-crobial agents can restore the antimicrobial sensitivity of antimicrobial-resistant bacteria and enhance antimicrobial effects.This indicates that natural compounds have the potential to serve as new strategies in coping with AMR of bacteria.This paper reviews the synergistic antibacterial mechanism of natural compounds combined with antimicro-bial agents based on the main resistance mechanisms of bacteria,and looks forward to their application prospects and challenges,in the hope of providing new ideas and strategies for coping with the crisis of bacteria AMR.

OBJECTIVE To study the effects of disodium cantharidinate on the pharmacokinetic behavior of capecitabine in rats. METHODS Rats were randomly divided into two control groups and two experimental groups with 6 rats in each group. Two control groups were intraperitoneally injected with normal saline， and two experimental groups were intraperitoneally injected with Disodium cantharidinate injection of 0.5 mL/kg， for 7 consecutive days. Eight days after medication， control group 1 and experimental group 1 were given capecitabine 5 mg/kg intragastrically， while control group 2 and experimental group 2 were given capecitabine 5 mg/kg intravenously. Blood samples were collected at different time points after administration. After extraction with ethyl acetate， the concentration of capecitabine in rat plasma was determined by UPLC-MS/MS method using tolbutamide as the internal standard. The pharmacokinetic parameters were calculated by DAS 2.0 software. RESULTS Compared with control group 1， MRT0－∞， cmax， AUC0－30 h， AUC0－∞ and F of experimental group 1 were increased significantly， while CLz/F was decreased significantly （P＜0.01）. Compared with control group 2， t1/2， MRT0－30 h， MRT0-∞， AUC0－30 h and AUC0－∞ of experimental group 2 were increased significantly （P＜0.01）. CONCLUSIONS Disodium cantharidinate can increase the plasma exposure of capecitabine in rats， improve its oral bioavailability， prolong the average residence time， and reduce its clearance rate.

Objective: To examine the impact of physical intelligence teaching on the function of children s sensory integration, so as to provide reference for promoting the development of sensory integration system. Methods: From February to May 2023, the intervention was implemented for 12 weeks among 136 children aged 4-5 (68 in the intervention group and 68 in the control group). The intervention group received situational and game based physical intelligence teaching, the control group received sports game teaching according to the original curriculum objectives of the kindergarten. Intervention was administered 3 times a week for 40 minutes each time. The sensory integration ability of the intervention group and the control group were evaluated before and after the intervention with Chi square test and t test. Results: The vestibular sensation, proprioception and tactile sensation of between boys and girls in the intervention group were significantly improved compared with before intervention (boys：44.14±11.52 vs. 53.34± 9.49 ，44.57±12.76 vs. 50.54±11.86，49.31±12.18 vs. 55.00±10.24,girls：46.00±11.01 vs. 54.58±10.06，48.79±13.17 vs. 53.64±11.97，52.67±11.67 vs. 56.91±10.42, t =-3.24，-2.49，-2.09，-5.24，-12.94，-2.56， P <0.05). There was no significant difference in vestibular sensation between boys and girls in the control group (boys：45.91±11.66 vs. 46.31± 11.20，girls：48.27±13.56 vs. 48.45 ±13.54, t =-0.87，-0.07， P >0.05), but there was a significant improvement in proprioception and tactile sensation in both boys and girls (boys：46.63±11.76 vs. 48.06±11.69，51.63±11.98 vs. 52.40±12.18，girls：50.45±12.16 vs. 51.67± 12.03 ，53.36±12.48 vs. 54.39±12.57， t =-3.36，-2.08，-4.66，-2.86， P <0.05). After the intervention, compared with the control group, the vestibular sensation of both boys and girls significantly improved ( t=2.83, 2.08, P <0.05), with exception of proprioception and tactile sensation ( t =0.88,0.67,0.97,0.88, P >0.05). In the experimental group, the number of normal boys increased from 12 to 24, while the number of dysfunctional boys decreased from 23 to 11, with a statistically significant difference ( χ 2=11.53, P <0.01). There was no statistically significant difference in sensory integration in boys of the control group before and after the experiment ( χ 2= 1.10 , P >0.05). After intervention,the number of normal girls in the experimental group increased from 15 to 27, while the number of dysfunctional girls decreased from 18 to 6, with a statistically significant difference ( χ 2=10.39, P < 0.05 ). There was no statistically significant difference in sensory integration in girls from the control group before and after the experiment ( χ 2=2.08, P > 0.05 ). Conclusion Physical intelligence teaching can effectively improve children s sensory integration ability, especially for vestibular function.

OBJECTIVE: To explore the clinical characteristics and genetic etiology of a child with Aicardi-Goutières syndrome 3 (AGS3). METHODS: Trio whole exome sequencing was carried out for the child and his parents, and candidate variants were verified by Sanger sequencing. To further clarify their pathogenicity, the crystal structure of the variants was simulated and analyzed, and the plasmid of variants was expressed in vitro. A literature search was also carried out to summarize the phenotypic and genetic characteristics of AGS3. RESULTS: The child was found to harbor novel compound heterozygous variants of the RNASEH2C gene, namely c.434G>T (p.Arg145Leu) and c.494G>C (p.Ter165Ser), which were inherited from his mother and father, respectively. Analysis of protein crystal structure suggested that the c.434G>T (p.Arg145Leu) variant may affect the stability of local structure, and in vitro experiments showed that this variant can lead to protein degradation. The c.494G>C (p.Ter165Ser) variant has destroyed the stop codon, resulting in prolonged variant. CONCLUSION The novel compound heterozygous variants of the RNASEH2C gene probably underlay the AGS3 in this child, which has enriched the phenotypic and mutational spectrum of this disorder.
Humans ; Child ; Mutation ; Autoimmune Diseases of the Nervous System/genetics* ; Nervous System Malformations/genetics*

Objective:To observe any effect of repeated transcranial magnetic stimulation (rTMS) in the treatment of diabetic peripheral neuropathic pain (DPNP).Methods:Eighty-six persons with type 2 diabetes mellitus and DPNP were randomly divided into an observation group and a control group, each of 43. Both groups were given basic treatment to control plasma glucose and blood pressure, while the observation group was additionally provided with daily 10Hz rTMS of the primary motor cortex (M1 area) of the non-dominant hand 5 days a week for 4 weeks. Before and after the treatment, pain in both groups was evaluated using a visual analog scale (VAS) and the Patient′s Global Impression Change scale (PGIC). The motor conduction velocity (MCV) and sensory conduction velocity of the median and the common peroneal nerves were also tested.Results:After treatment, the average VAS pain rating and PGIC score of the observation group were significantly lower than the control group′s averages and those before treatment. The observation group′s treatment effectiveness rate (79.07%) was then much better than that of the control group (23.26%). After the treatment, the average MCV of the median and common peroneal nerves of the observation group (47.65±1.94 m/s and 46.98±3.26 m/s, respectively) were significantly faster than before treatment, and those of the control group.Conclusions:rTMS based on routine intervention can significantly relieve DPNP and promote the recovery of injured nerves, bettering diabetics′ physical condition and life quality.