[目的]比较“肩-肩”新型解剖标记定位法与人工智能辅助规划系统(AIHIP系统)规划的全髋关节置换(total hip arthroplasty, THA)中假体置入定位及预防双下肢不等长的准确性。[方法] 2020年8月-2022年12月就诊于本院行初次THA的94例患者,...[目的]比较“肩-肩”新型解剖标记定位法与人工智能辅助规划系统(AIHIP系统)规划的全髋关节置换(total hip arthroplasty, THA)中假体置入定位及预防双下肢不等长的准确性。[方法] 2020年8月-2022年12月就诊于本院行初次THA的94例患者,按照随机数字表法分为两组,47例采用“肩-肩”法(肩-肩组),另外47例采用AIHIP系统规划法(智能组),分别于术前进行规划,比较两组临床和影像结果。[结果]两组患者手术时间、总失血量、术后下地时间的差异均无统计学意义(P>0.05)。影像方面,两组髋臼假体匹配、股骨柄假体匹配、双下肢长度差、联合偏心距的差异均无统计学意义(P>0.05),肩-肩组的尖肩距[(15.9±3.0) mm vs(17.7±3.4) mm, P<0.001]、截骨距[(7.8±2.7) mm vs(9.2±4.1) mm, P=0.003]均显著小于智能组。[结论]“肩-肩”新型解剖标记定位法可以在THA术中准确置入股骨侧假体,并可预防术后双下肢不等长。展开更多
[目的]探讨人工智能(artificial intelligence,AI)在全髋关节置换术(total hip arthroplasty,THA)术前假体测量的准确性。[方法]选取2021年6月—2021年12月收治的24例髋关节残疾患者,按照随机数字表法分为AI组(12例)及常规组(12例)进行...[目的]探讨人工智能(artificial intelligence,AI)在全髋关节置换术(total hip arthroplasty,THA)术前假体测量的准确性。[方法]选取2021年6月—2021年12月收治的24例髋关节残疾患者,按照随机数字表法分为AI组(12例)及常规组(12例)进行假体型号预测,分析AI三维规划的准确性及可行性。[结果]两组手术时间、总失血量、术后住院天数以及住院总费用的差异均无统计学意义(P>0.05)。AI组在髋臼杯一致性[(±0/±1/±2),(91.7%/8.3%/0%)vs(33.3%/41.7%/25.0%),P=0.013]和股骨假体型号一致性的准确度[(±0/±1/±2),(83.3%/8.3%/8.3%)vs(41.7%/33.3%/25.0%),P=0.017]显著高于常规组。随访时间平均(15.2±5.7)个月,与术前相比,末次随访时两组VAS评分均显著降低(P<0.05),髋伸曲ROM和Harris评分显著增加(P<0.05)。相应时间点,两组VAS评分、髋伸曲ROM和Harris评分的差异均无统计学意义(P>0.05)。[结论]AI三维规划较胶片模板测量在THA术前假体型号的选择具有更精准的预测价值。展开更多
Objective Coronavirus disease 2019(COVID-19)can result in fatigue and post-exertional malaise;however,whether severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)infection exacerbates lower urinary tract sympto...Objective Coronavirus disease 2019(COVID-19)can result in fatigue and post-exertional malaise;however,whether severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)infection exacerbates lower urinary tract symptoms(LUTS)is unclear.This study investigated the association between prenatal SARS-CoV-2 infection and postpartum LUTS.Methods A multicenter,retrospective cohort study was conducted at two tertiary hospitals in China from November 1,2022,to November 1,2023.Participants were classified into infected and uninfected groups based on SARS-CoV-2 antigen results.LUTS prevalence and severity were assessed using self-reported symptoms and the Incontinence Impact Questionnaire-Short Form(IIQ-7).Pelvic floor muscle activity was measured using electromyography following the Glazer protocol.Group comparisons were performed to evaluate the association of SARS-CoV-2 infection with LUTS and electromyography parameters,with stratified analyses conducted using SPSS version 26.0.Results Among 3,652 participants(681 infected,2,971 uninfected),no significant differences in LUTS prevalence or IIQ-7 scores were observed.However,SARS-CoV-2 infection was an independent factor influencing the electromyographic activity of the pelvic floor muscles(mean tonic contraction amplitudes),regardless of delivery mode(P=0.001).Conclusion Prenatal SARS-CoV-2 infection was not significantly associated with an increased risk of postpartum LUTS but independently altered pelvic floor muscle electromyographic activity,suggesting potential neuromuscular effects.展开更多
Fos-related antigen 1(Fra-1)is a nuclear transcription factor that regulates cell growth,differentiation,and apoptosis.It is involved in the proliferation,invasion,apoptosis and epithelial mesenchymal transformation o...Fos-related antigen 1(Fra-1)is a nuclear transcription factor that regulates cell growth,differentiation,and apoptosis.It is involved in the proliferation,invasion,apoptosis and epithelial mesenchymal transformation of malignant tumor cells.Fra-1 is highly expressed in gastric cancer(GC),affects the cycle distribution and apoptosis of GC cells,and participates in GC occurrence and development.However,the detailed mechanism of Fra-1 in GC is unclear,such as the identification of Fra-1-interacting proteins and their role in GC pathogenesis.In this study,we identified tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein eta(YWHAH)as a Fra-1-interacting protein in GC cells using co-immunoprecipitation combined with liquid chromatography-tandem mass spectrometry.Experiments showed that YWHAH positively regulated Fra-1 mRNA and protein expression,and affected GC cell proliferation.Whole proteome analysis showed that Fra-1 affected the activity of the high mobility group AT-hook 1(HMGA1)/phosphatidylinositol-4,5-bisphosphate 3-kinase(PI3K)/protein kinase B(AKT)/mechanistic target of rapamycin(mTOR)signaling pathway in GC cells.Western blotting and flow cytometry confirmed that YWHAH activated HMGA1/PI3K/AKT/mTOR signaling pathway by positively regulating Fra-1 to affect GC cell proliferation.These results will help to discover new molecular targets for the early diagnosis,treatment,and prognosis prediction of GC.展开更多
文摘[目的]比较“肩-肩”新型解剖标记定位法与人工智能辅助规划系统(AIHIP系统)规划的全髋关节置换(total hip arthroplasty, THA)中假体置入定位及预防双下肢不等长的准确性。[方法] 2020年8月-2022年12月就诊于本院行初次THA的94例患者,按照随机数字表法分为两组,47例采用“肩-肩”法(肩-肩组),另外47例采用AIHIP系统规划法(智能组),分别于术前进行规划,比较两组临床和影像结果。[结果]两组患者手术时间、总失血量、术后下地时间的差异均无统计学意义(P>0.05)。影像方面,两组髋臼假体匹配、股骨柄假体匹配、双下肢长度差、联合偏心距的差异均无统计学意义(P>0.05),肩-肩组的尖肩距[(15.9±3.0) mm vs(17.7±3.4) mm, P<0.001]、截骨距[(7.8±2.7) mm vs(9.2±4.1) mm, P=0.003]均显著小于智能组。[结论]“肩-肩”新型解剖标记定位法可以在THA术中准确置入股骨侧假体,并可预防术后双下肢不等长。
文摘[目的]探讨人工智能(artificial intelligence,AI)在全髋关节置换术(total hip arthroplasty,THA)术前假体测量的准确性。[方法]选取2021年6月—2021年12月收治的24例髋关节残疾患者,按照随机数字表法分为AI组(12例)及常规组(12例)进行假体型号预测,分析AI三维规划的准确性及可行性。[结果]两组手术时间、总失血量、术后住院天数以及住院总费用的差异均无统计学意义(P>0.05)。AI组在髋臼杯一致性[(±0/±1/±2),(91.7%/8.3%/0%)vs(33.3%/41.7%/25.0%),P=0.013]和股骨假体型号一致性的准确度[(±0/±1/±2),(83.3%/8.3%/8.3%)vs(41.7%/33.3%/25.0%),P=0.017]显著高于常规组。随访时间平均(15.2±5.7)个月,与术前相比,末次随访时两组VAS评分均显著降低(P<0.05),髋伸曲ROM和Harris评分显著增加(P<0.05)。相应时间点,两组VAS评分、髋伸曲ROM和Harris评分的差异均无统计学意义(P>0.05)。[结论]AI三维规划较胶片模板测量在THA术前假体型号的选择具有更精准的预测价值。
基金supported by National High Level Hospital Clinical Research Funding[BJ-2023-112,BJ-2018-204]Central Government Guidance Fund for Local Science and Technology Development[202407AB110013].
文摘Objective Coronavirus disease 2019(COVID-19)can result in fatigue and post-exertional malaise;however,whether severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)infection exacerbates lower urinary tract symptoms(LUTS)is unclear.This study investigated the association between prenatal SARS-CoV-2 infection and postpartum LUTS.Methods A multicenter,retrospective cohort study was conducted at two tertiary hospitals in China from November 1,2022,to November 1,2023.Participants were classified into infected and uninfected groups based on SARS-CoV-2 antigen results.LUTS prevalence and severity were assessed using self-reported symptoms and the Incontinence Impact Questionnaire-Short Form(IIQ-7).Pelvic floor muscle activity was measured using electromyography following the Glazer protocol.Group comparisons were performed to evaluate the association of SARS-CoV-2 infection with LUTS and electromyography parameters,with stratified analyses conducted using SPSS version 26.0.Results Among 3,652 participants(681 infected,2,971 uninfected),no significant differences in LUTS prevalence or IIQ-7 scores were observed.However,SARS-CoV-2 infection was an independent factor influencing the electromyographic activity of the pelvic floor muscles(mean tonic contraction amplitudes),regardless of delivery mode(P=0.001).Conclusion Prenatal SARS-CoV-2 infection was not significantly associated with an increased risk of postpartum LUTS but independently altered pelvic floor muscle electromyographic activity,suggesting potential neuromuscular effects.
基金This work was supported by the Hunan Provincial Natural Science Foundation(2021JJ30915).
文摘Fos-related antigen 1(Fra-1)is a nuclear transcription factor that regulates cell growth,differentiation,and apoptosis.It is involved in the proliferation,invasion,apoptosis and epithelial mesenchymal transformation of malignant tumor cells.Fra-1 is highly expressed in gastric cancer(GC),affects the cycle distribution and apoptosis of GC cells,and participates in GC occurrence and development.However,the detailed mechanism of Fra-1 in GC is unclear,such as the identification of Fra-1-interacting proteins and their role in GC pathogenesis.In this study,we identified tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein eta(YWHAH)as a Fra-1-interacting protein in GC cells using co-immunoprecipitation combined with liquid chromatography-tandem mass spectrometry.Experiments showed that YWHAH positively regulated Fra-1 mRNA and protein expression,and affected GC cell proliferation.Whole proteome analysis showed that Fra-1 affected the activity of the high mobility group AT-hook 1(HMGA1)/phosphatidylinositol-4,5-bisphosphate 3-kinase(PI3K)/protein kinase B(AKT)/mechanistic target of rapamycin(mTOR)signaling pathway in GC cells.Western blotting and flow cytometry confirmed that YWHAH activated HMGA1/PI3K/AKT/mTOR signaling pathway by positively regulating Fra-1 to affect GC cell proliferation.These results will help to discover new molecular targets for the early diagnosis,treatment,and prognosis prediction of GC.
