Objective To investigate the association between body roundness index (BRI) and urge urinary incontinence (UUI) in a nationally representative U.S.population, so as to provide a new indicator for the prevention and management of UUI. Methods A total of 17226 participants from the 2015—2023 National Health and Nutrition Examination Survey (NHANES) were included in the study. The association between BRI and UUI was assessed with weighted multivariable logistic regression, and the nonlinear relationship was analyzed with weighted restricted cubic spline (RCS). Subgroup analyses were conducted based on demographic and clinical characteristics to explore potential heterogeneity in the association. Receiver operating characteristic (ROC) curves were plotted to compare the predictive performance of BRI with body mass index (BMI) and waist circumference for UUI, and the area under the curve (AUC) was calculated. Results A total of 4879 UUI patients (28.32%, UUI group) and 12347 non UUI participants (71.68%, NUUI group) were included in the 17226 participants. Significant differences were observed between the UUI and NUUI groups in terms of age, sex, race, marital status, BIM, height, waist circumference, poverty income ratio (PIR), diabetes, alcohol consumption and smoking (P<0.001). The participants in the UUI group had significantly higher BRI than that in the NUUI group [ (6.53±2.63) vs. (5.47±2.34), P<0.001]. As BRI increased from Q2 to Q4, the incidence of UUI also rose (P_(trend)<0.0001). After the confounding factors were fully adjusted, participants in the Q4 group had a 104% increased risk of UUI compared to the Q1 group (OR=2.04, 95% CI:1.81-2.30, P<0.0001). There was a significant positive nonlinear trend in the dose-response relationship between UUI and BRI (P_(overall trend)<0.001, P_(nonlinear association)=0.886). Subgroup analysis showed that the association between UUI and BRI was more significant in diabetic patients, different racial and BMI stratifications (P<0.05).ROC curve analysis showed that, compared with BMI (AUC=0.59) and waist circumference (AUC=0.59), BRI demonstrated superior predictive accuracy (AUC=0.63, P<0.001). Conclusion Based on US 2015—2023 NHANES, the study shows that increased BRI is independently associated with an increased risk of UUI, and its predictive performance is superior to traditional obesity metrics.BRI has the potential to serve as a risk stratification tool for UUI.

Three-dimensional (3D) printing technology is a method that utilizes imaging data to fabricate precise models of both visual and tangible tissue organs using corresponding materials.With the advance in imaging equipment, materials, and printing techniques, the utilization of 3D printing in surgery is becoming increasingly prevalent.Presently, 3D printing is extensively employed in the planning of surgery to remove urological calculi, preoperative simulation, professional training, and doctor-patient communication.Due to its capacity to furnish comprehensive and precise anatomical information, 3D printing significantly enhances the efficacy and safety of ureteroscopy and percutaneous nephrolithotomy, reduces medical students and young doctors' learning curve of surgical procedures, and amplifies the effectiveness of doctor-patient interaction.This article provides an overview of the current application status and research advance of 3D printing in urinary calculi surgery.

Objective To investigate the correlation of Wnt5a expression and vasculogenic mimicry (VM) in prostate cancer tissues, and analyze their relationships with cancer stem cells (CSCs) characteristics and epithelial–mesenchymal transition (EMT). Methods Immunohistochemistry was conducted to detect the expression of Wnt5a in 50 prostate cancer tissues and 50 benign prostatic hyperplasia tissues. The expression levels of CD133, vimentin, and E-cadherin were detected in the prostate cancer tissues, and CD34/PAS double staining was used to detect VM structures. We analyzed the difference in Wnt5a level between prostate cancer and benign prostatic hyperplasia tissues, the clinical significance of Wnt5a and VM, the relationship of Wnt5a expression and VM, and the relationships of Wnt5a expression and VM with CD133, Vimentin, E-cadherin. Results The expression of Wnt5a was significantly higher in prostate cancer tissues than in benign prostatic hyperplasia (P < 0.05). A positive correlation was observed between Wnt5a expression and VM (P < 0.05). The expression levels of Wnt5a and VM were positively correlated with those of CD133 and vimentin (P < 0.05). Wnt5a expression and VM were positively correlated with Gleason score, vas deferens invasion and lymphatic metastasis (P < 0.05) of prostate cancer, and VM was also positively correlated with T stage of prostate cancer (P < 0.05). Conclusion The expression level of Wnt5a in prostate cancer tissues is elevated and positively related with VM formation. Wnt5a expression and VM are correlated with cancer stem cells characteristics and the expression of epithelial–mesenchymal transition marker proteins.

Surgical robot is the national strategic diagnostic and therapeutic equipment research focus,get a number of scientific research institutes,colleges and universities and enterprises pay extensive attention to the design and development of a variety of surgical robots,and registration declaration.This article explores the critical technologies of surgical robots and key areas for optimizing their performance,including kinematic positioning errors,pose errors,feedback model errors,image recognition positioning errors,path planning,and safety aspects.The findings not only provide a scientific basis for future standardization research on surgical robots but also offer significant theoretical and practical references for the research,manufacturing,and registration processes in the medical robotics industry.

Objective:To evaluate the application value of dual-source CT in detecting the components of urinary calculi in children.Methods:A retrospective analysis of 433 children treated for urinary calculi in the Urological Center, People′s Hospital of Xinjiang Uygur Autonomous Region from March 2018 to January 2021 was performed in parallel with dual-source CT examination. The data was processed by the post-processing workstation and the stone composition was analyzed. The analysis results were compared with the results of infrared spectroscopy, and the accuracy of dual-source CT analysis of stones and the predictive value of dual-source CT various measurement indexes for the types of stones were compared. The measurement data were expressed as mean±standard deviation ( Mean± SD), and the comparison of the measurement indexes of each stone type [average CT value, dual energy difference, dual energy ratio and dual energy index (DEI)] were compared by One-way Anova analysis of variance. Draw receiver operator characteristic curve and calculate the area under the curve (AVC), then evaluate the diagnostic efficacy of each index. Results:Dual-source CT detected 282 calcium oxalate stones, 238 calcium phosphate stones, 39 uric acid stones and 7 cystine stones. Compared with the results of infrared spectroscopy, the accuracy rates of dual-source for calcium oxalate stones and hydroxyapatite stones were 84.2% and 81.8%, respectively. Both uric acid stones and cystine stones were accurately detected. In addition, dual energy difference, dual energy ratio, and DEI have reliable predictive value for calcium oxalate stones and calcium phosphate stones, especially dual energy ratio and DEI, both AUC>0.75.Conclusion:Using advanced post-processing analysis methods, dual-source CT can reliably analyze the components of children′s urinary tract stones, and provide a reference for choosing personalized treatment plans.

To study the regulation of androgen receptor (AR) expression in human prostate cancer LNCaP cells by triptolide (TP) and the possible mechanism, by using qRT-PCR and Western blot, the AR mRNA and protein levels in TP treated LNCaP cells were detected, and the AR protein level in TP and NF-κB inhibitor treated LNCaP cells was also detected; a series of pGL3-AR promoter reporter gene vectors were built using restriction-free cloning method, and the vectors were employed to investigate the effects of TP on the transcriptional activity of AR promoter in LNCaP cells; the upstream proteins which may play regulatory roles were detected using western blot assay. After treated LNCaP cells with TP for 48 h, AR mRNA and protein expressions decreased with increasing TP concentration. The expression of AR target gene PART1 and prostate specific antigen (PSA) was also downregulated by TP treatment; a series of pGL3-AR promoter reporter vectors were constructed and validated by sequencing and luciferase activity; the results of dual luciferase reporter assay showed that TP downregulated AR at the transcriptional level; PI3K/AKT/NF-κB pathway which is associated with AR promoter activity was drowregulated by TP. In conclusion, our results demonstrated that the transcriptional activity of AR in LNCAP cells was downregulated by TP, and PI3K/AKT/NF-κB pathway may be involved in the regulation mechanism.

Objective To investigate the effct of continuous blood purification(CBP)on endotoxin receptor and signal transduction of patients with multiple organ dysfunction syndrome(MODS).Methods Thirty patients with MODS were selected and treated with low volume and high volume haemofiltration.Plasma level of TNF-?、IL-6 were messured before and after CBP at 6h,1d,3d.Express of PMN CD14mRNA,CD14 protein and activity of NF-?B were also observed.Results CBP had no effect on TNF-?,and plasma IL-6 decreased significantly(P