ObjectiveTo observe the clinical efficacy and radiographic outcomes of manipulative reduction combined with small splint fixation in the treatment of distal radius fractures. MethodsThe clinical data of 1051 patients with distal radius fractures were retrospectively collected from five hospitals included in the Jiangsu Diagnosis and Treatment Data Platform for Traditional Chinese Medicine（TCM） Dominant Diseases. Propensity score matching at a 1∶4 ratio was applied， resulting in 580 cases selected for final analysis， which comprised 448 patients in the TCM group（manipulative reduction plus small splint fixation） and 132 in the surgical treatment group（open reduction and internal fixation）. Each group was further stratified into type A， B， and C subgroups based on AO fracture classification. Radiographic indicators including palmar tilt， radial inclination， and radial height were compared between groups before treatment and 1 day， 1 week， and 4-6 weeks after treatment， and pain visual analog scale（VAS） scores before treatment and 1 week and 4-6 weeks after treatment were also compared. Wrist joint function was assessed 12 weeks after treatment， using the Dienst wrist function score and the Gartland and Werley（G-W） wrist function score. Additionally， the radiographic indicators at different timepoints and the 12-week wrist function levels were compared between groups across different fracture types. ResultsNo statistically significant difference was observed in radiographic indicators and VAS scores at all timepoints before and after treatment， as well as wrist joint function grades assessed by the Dienst score and the G-W score at 12 weeks after treatment （P＞0.05）. Compared to those before treatment， both groups showed increased palmar tilt， radial inclination， and radial height 1 week and 4-6 weeks after treatment， and decreased VAS scores （P＜0.05）. Compared to those 1 week after treatment， both groups showed a decrease in palmar tilt， an increase in radial inclination and radial height， and a reduction in VAS score 4-6 weeks after treatment（P＜0.05）. In type A and B subgroups， the surgical treatment group had a higher radial inclination than the TCM group 4-6 weeks after treatment， while in the type C subgroup， a higher radial height was shown in the surgical treatment group than in the TCM group 4-6 weeks after treatment（P＜0.05）. In type C subgroup， there was significant difference between groups in the wrist joint function by G-W scores 12 weeks after treatment（P＜0.05）. ConclusionManipulative reduction combined with small splint fixation can maintain fracture alignment and alleviate pain in treating distal radius fractures， which achieves therapeutic outcomes comparable to surgical treatment. It is particularly suitable for type A and B fractures and can be considered an effective treatment option for distal radius fractures.

Objective:To investigate the accuracy and clinical utility of a newly designed acetabular bone defect classification system based on the ischial-gluteal pillar in assessing the severity of acetabular bone defects and guiding hip revision surgery.Methods:A retrospective analysis was conducted on 474 patients who underwent hip revision surgery for prosthetic loosening after total hip arthroplasty at our institution from January 2010 to December 2020, including 296 males and 178 females with a mean age of 70.4±8.9 years (range: 52-86 years). The accuracy of our classification system in guiding surgical procedures was evaluated by comparing preoperative defect classifications with intraoperative findings. Clinical outcomes were evaluated using preoperative and final follow-up Harris hip scores (HHS) and Oxford hip scores (OHS), as well as the incidence of complications.Results:Preoperative classifications included 143 Type I, 192 Type II (Type IIa: 86 cases, Type IIb: 59 cases, Type IIc: 47 cases), 93 Type III (Type IIIa: 54 cases, Type IIIb: 27 cases, Type IIIc: 12 cases), and 46 Type IV cases (Type IVa: 32 cases, Type IVb: 9 cases, Type IVc: 5 cases). Compared with intraoperative findings, classification accuracy was 99.3% for Type I (1 errors), 98.4% for Type II (3 errors), 97.8% for Type III (2 errors), and 97.8% for Type IV (1 misclassified as Type III). The mean follow-up was 5.8±4.4 years (range: 2-12 years). At final follow-up, mean HHS improved from 36.65±10.27 to 91.36±7.53, and mean OHS increased from 11.35±4.36 to 44.6±5.27 with significant difference ( P<0.001). Complications included one Type IV periprosthetic infection, one Type II hip dislocation, one Type I and two Type IV re-revisions (due to femoral loosening or graft resorption), one Type II and one Type III death unrelated to surgery, and one Type I postoperative thigh hematoma. No neurovascular injuries occurred. Conclusions:This novel 3D acetabular bone defect classification system, based on ischial-gluteal pillar integrity, provides accurate preoperative assessment and effectively guides surgical planning. Its application demonstrates favorable mid-term outcomes in hip revision surgery.

Aim To explore the mechanism of Jiawei Shaofu Zhuyu decoction in antagonizing endometriosis fibrosis by regulating mitophagy.Methods After the animal model was constructed,the syndrome was evalu-ated by general condition,organ water content and ther-mal imaging.The curative effect was evaluated by the weight of ectopic focus and the degree of adhesion.The pathological changes were compared using HE stai-ning,transmission electron microscopy,Masson and Sir-ius red staining.The expression of PINK1 and Parkin was detected by immunohistochemistry.The expression of mRNA and protein was determined by qPCR and Western blot,and the level of serum ROS was detected by ELISA.Results The autonomic activity of model mice was weakened,the water content of organs rose,and the temperature of limbs and lower abdomen was reduced by thermal imaging.HE staining showed obvi-ous hyperplasia of ectopic epithelium and glands.Transmission electron microscopy showed mitochondrial and endoplasmic reticulum structure damage,and nor-mal autophagy structure disappeared.Masson and Siri-us red staining showed increased collagen deposition;immunohistochemistry showed decreased expression of PINK1 and Parkin in ectopic foci.qPCR and Western blot showed that the expression of PINK1,Parkin,Bec-lin1,LC3 mRNA and protein in ectopic foci of model mice decreased,the expression of p62 mRNA and pro-tein increased,and serum ROS increased.The syn-drome performance of model mice was improved after the intervention of Jiawei Shaofu Zhuyu decoction;the inflammatory infiltration of ectopic foci was relieved,the morphology of mitochondria and endoplasmic retic-ulum was restored,and normal autophagy structure ap-peared.The degree of collagen deposition and fibrosis was reduced;the mRNA and protein expression of PINK1,Parkin,Beclin1 and LC3 increased.The ex-pression of p62 mRNA and protein decreased,and the level of ROS decreased.Conclusions Jiawei Shaofu Zhuyu decoction can improve the fibrosis of ectopic le-sions in mice with endometriosis of cold-dampness sta-sis syndrome,which may be related to the regulation of mitophagy.

Objective This study aims to provide theoretical support for the formulation of thyroid nodule prevention and treatment strategies in Northwest China and to investigate the characteristics of thyroid nodules and their association with metabolic indicators in this population.Methods A cross-sectional survey was conducted by retrospectively enrolling healthy individuals who underwent routine health examinations at our hospital between January 1 and December 31,2023.A total of 38 919 participants were included.The detection rate of thyroid nodules was stratified by age and sex.Univariate and multivariate binary logistic regression analyses were performed to identify risk factors for thyroid nodules.Results Among the 38 919 participants,20 395 were men(52.4%)and 18 524 were women(47.6%).The overall detection rate of thyroid nodules was 47.1%(18 317/38 919),including 40.1%(8 187/20 395)in men and 54.7%(10 130/18 524)in women.Across all age groups,women had a significantly higher detection rate than men(P<0.001).The detection rate increased with age in both sexes(χ2trend=1392.867,P<0.001 in men;χ2trend=1521.215,P<0.001 in women).Significant differences were observed between participants with and without thyroid nodules in age,body mass index(BMI),fasting blood glucose(FBG),glycated hemoglobin(HbA1c),total cholesterol(TC),low-density lipoprotein cholesterol(LDL-C),triiodothyronine(T3),thyroid-stimulating hormone(TSH),and anti-thyroglobulin antibodies(TGAB),anti-thyroid microsomal antibodies,the proportion of hypertension and central obesity(all P<0.05).Multivariate binary logistic regression analysis identified female sex(OR=2.158),older age(OR=1.040),central obesity(OR=1.144),elevated FBG(OR=1.039),hypertension(OR=1.095),elevated TGAB(OR=1.008),and elevated T3(OR=1.154)as independent risk factors for thyroid nodules(all P<0.05).Conclusion Women in Northwest China are at higher risk of developing thyroid nodules.Screening and health management should be prioritized for older individuals,those with central obesity,elevated FBG,hypertension,elevated TGAB,and elevated T3 levels.

Objective:To investigate the distribution of CGG repeat numbers in the FMR1 gene among reproductive-age women in China, providing data reference for carrier screening and genetic counseling of Fragile X syndrome. Methods:This cross-sectional study recruited 16 610 reproductive-age women from 12 medical institutions between July 2022 and October 2023. Peripheral venous blood samples (3 mL) were collected, and genomic DNA was extracted. The number of CGG repeats in the FMR1 gene was determined using the triplet-primed polymerase chain reaction (TP-PCR) combined with capillary electrophoresis technology. Statistical analyses were performed to assess the prevalence and distribution of CGG repeat expansions. Results:Among 16 610 women of childbearing age, 5 684 (34.220%) women had the same number of CGG repeats in the two alleles of FMR1 gene, and 10 926 (65.780%) women had different numbers of repeats in the two alleles. Among the 33 220 FMR1 alleles in 16 610 women of reproductive age, the most common CGG repeat numbers were 29 [48.645% (16 160/33 220)] and 30 [26.276% (8 729/33 220)], while the most frequent CGG genotype was CGG 29/29 [24.726% (4 107/16 610)]. The CGG repeat numbers of FMR1 gene were normal in 16 498 women (99.326%). Among the 112 women (0.674%) with CGG repeat abnormities, 96 (0.578%) women were classified as intermediate carriers, 15 (0.090%) as premutation carriers, and 1 (0.006%) as a full mutation carrier, whose CGG genotype was (36, >200). Conclusion:In the general reproductive-age female population in China, the normal CGG repeat numbers of the FMR1 gene account for 99.326%, while the intermediate carrier rate is 0.578%, and the combined carrier rate of the premutation and full mutation types is 0.096%.

Objective:To explore the learning patterns of resident physicians in anesthesiology when performing tracheal intubation guided by Shikani laryngoscope, and provide a reference for the skill training of clinical anesthesiologists.Methods:From August 2023 to December 2024, a total of 19 resident physicians specializing in anesthesiology participated in this study at Peking University Third Hospital. All resident physicians received standardized training on clinical skills. None of them had received specialized training in Shikani laryngoscope-guided tracheal intubation. The relevant theoretical teaching and practical guidance were provided by the same senior attending physician throughout the study. A flipped-classroom teaching model was adopted, and each student was instructed by the teaching physician to perform the procedure on 15 cases in chronological order, resulting in a total of 285 cases. The cumulative sum (CUSUM) value for each tracheal intubation was calculated, and the learning curve was plotted using R software. A fourth-order polynomial nonlinear regression model was used to fit the curve and estimate the 95% confidence interval of the learning curve. The first-order derivative function of the regression model was further analyzed to reveal the dynamic changes in proficiency with the number of training sessions. The CUSUM curve was segmented using the maximum statistics test to identify the optimal breakpoint.Results:The maximum selection test revealed that the breakpoint for the increase in CUSUM level was at the eighth attempt.Conclusions:Resident physicians in anesthesiology can master Shikani laryngoscope-guided tracheal intubation after eight standardized training sessions. Moreover, the participants showed high satisfaction with the flipped-classroom teaching model.

Endometriosis(EMs)is a common estrogen-depend-ent clinical disease with the pathological characteristics of malig-nant tumors,which has great impact on women's physical and mental health.In recent years,experimental exploration has re-vealed that ectopic foci are in a hypoxic environment outside the uterine cavity,and mitochondria,as the"functional factories"of the cells,play an important role in the process of planting and in-vasion,and the mitochondrial quality control system,which in-cludes mitochondrial oxidative stress,kinetics,autophagy,bio-genesis and calcium homeostasis,is a key mechanism for the e-quilibrium of the mitochondrial function.The mitochondrial quality control system,including mitochondrial oxidative stress kinetics,autophagy,biogenesis and calcium homeostasis,is a key mechanism for mitochondrial functional balance.Therefore,to clarify the role of the mitochondrial quality control system in the development of EMs with the help of rational and rigorous experi-mental and clinical studies can not only help to clarify the patho-genesis of the disease,but also explore the key targets in the prevention and treatment of the disease.Therefore,this article summarizes the research progress of mitochondrial quality control system in endometriosis,with a view to providing reference and theoretical basis for the etiology,pathogenesis and prevention strategies of EMs.

Objective:To investigate the association between serum 25-hydroxyvitamin D [25(OH)D] levels and 24-h urinary calcium excretion (24-h UCaE) and hypercalciuria in Chinese adults.Methods:This cross-sectional study was conducted from March 2022 to March 2023 in nine cities in China and included 1 239 residents. Demographic characteristics were collected through questionnaires and physical examinations, fasting blood samples were assessed for bone metabolism indicators, and 24-h urine samples were used to determine the 24-h UCaE. Multiple linear regression analysis was used to explore the relationship between serum 25(OH)D and 24-h UCaE and bone metabolism indexes. The relationship between serum 25(OH)D and hypercalciuria was analyzed using a multiple logistic regression model combined with restricted cubic spline modeling.Results:The mean participant age was (47.9±18.1) years, of which 453 (36.6%) were male. The percentages of vitamin D sufficiency, insufficiency, and deficiency were 7.6% (94/1 239), 29.0% (359/1 239), and 63.4% (786/1 239), respectively. The multiple linear regression model showed that after adjusting for the covariates the 24-h UCaE gradually increased with higher levels of 25(OH)D ( P overall <0.001, P nonlinear <0.001). The logistic regression analysis revealed that compared with the vitamin D deficient group, the OR for the prevalence of hypercalciuria in the vitamin D sufficient and vitamin D insufficient groups were 3.290 (95% CI 1.745 to 6.202) and 3.742 (95% CI 2.458 to 5.697), respectively. The results of the restricted cubic spline modeling showed a positive nonlinear relationship between 25(OH)D and the prevalence of hypercalciuria ( P overall <0.001, P nonlinear <0.001). The prevalence of hypercalciuria increased when 25(OH)D was >17.00 μg/L and peaked at 26.71 μg/L, after which there was a decreasing trend in the prevalence of hypercalciuria with increasing 25(OH)D. Conclusion:Associations between serum 25(OH)D levels and urinary calcium excretion and the prevalence of hypercalciuria were observed in the Chinese adult population.

Objective To explore the time cross-lagged effect between carotid intima-media thickness(CIMT)and bone mineral density(BMD)and to assess whether CIMT can be used as an early predictor of osteoporosis.Methods Based on the retrospective cohort study involved,people who underwent health checkups at The First Affiliated Hospital of Xi'an Jiaotong University from January 2019 to December 2023 were selected,and data related to CIMT and BMD were collected.The time-series relationship between CIMT and BMD was explored by cross-lagged modeling.Meanwhile,the effects of CIMT on BMD and its dose-response relationship were assessed using multiple linear regression and restricted cubic spline regression models.Results Analysis of 2 453 study subjects revealed a significant negative relationship between prior physical examination CIMT and subsequent BMD,and this relationship remained significant after controlling for confounders.For every 1-unit increase in CIMT,there was a mean decrease in second-stage BMD T-values of 0.113.Restricted cubic spline regression analysis showed a maximum decrease in BMD T-values of 0.121 for every 1.00 mm increase in CIMT.Conclusion The present study found that there was a significant negative cross-lag effect between CIMT and BMD,and that there was a dose-response between an increase in CIMT and a decrease in BMD.CIMT,as an easy-to-measure indicator,may be a potential marker for early prediction of osteoporosis,especially in the elderly population.

Objective This study aims to provide theoretical support for the formulation of thyroid nodule prevention and treatment strategies in Northwest China and to investigate the characteristics of thyroid nodules and their association with metabolic indicators in this population.Methods A cross-sectional survey was conducted by retrospectively enrolling healthy individuals who underwent routine health examinations at our hospital between January 1 and December 31,2023.A total of 38 919 participants were included.The detection rate of thyroid nodules was stratified by age and sex.Univariate and multivariate binary logistic regression analyses were performed to identify risk factors for thyroid nodules.Results Among the 38 919 participants,20 395 were men(52.4%)and 18 524 were women(47.6%).The overall detection rate of thyroid nodules was 47.1%(18 317/38 919),including 40.1%(8 187/20 395)in men and 54.7%(10 130/18 524)in women.Across all age groups,women had a significantly higher detection rate than men(P<0.001).The detection rate increased with age in both sexes(χ2trend=1392.867,P<0.001 in men;χ2trend=1521.215,P<0.001 in women).Significant differences were observed between participants with and without thyroid nodules in age,body mass index(BMI),fasting blood glucose(FBG),glycated hemoglobin(HbA1c),total cholesterol(TC),low-density lipoprotein cholesterol(LDL-C),triiodothyronine(T3),thyroid-stimulating hormone(TSH),and anti-thyroglobulin antibodies(TGAB),anti-thyroid microsomal antibodies,the proportion of hypertension and central obesity(all P<0.05).Multivariate binary logistic regression analysis identified female sex(OR=2.158),older age(OR=1.040),central obesity(OR=1.144),elevated FBG(OR=1.039),hypertension(OR=1.095),elevated TGAB(OR=1.008),and elevated T3(OR=1.154)as independent risk factors for thyroid nodules(all P<0.05).Conclusion Women in Northwest China are at higher risk of developing thyroid nodules.Screening and health management should be prioritized for older individuals,those with central obesity,elevated FBG,hypertension,elevated TGAB,and elevated T3 levels.