1.Survey on the perception and current status of drug risk management in medical institutions
Xuelin SUN ; Mingqing XING ; Zixuan ZHANG ; Wenjing ZHAO ; Dongfang QIAN ; Yan LIANG ; Li XU ; Pengfei JIN ; Yatong ZHANG
China Pharmacy 2025;36(1):7-12
OBJECTIVE To know about the perception and current status of drug risk management among pharmacists in Chinese medical institutions, providing insights and recommendations for enhancing the drug risk management system in medical institutions. METHODS A questionnaire survey was conducted across 28 provinces, cities, and autonomous regions; stratified radom sampling was employed to study the population of medical workers and pharmaceutical professionals in medical institutions nationwide. The survey included information on the survey population, the current status of drug risk management implementation in medical institutions, the cognition, definition and process of drug risk management related concepts, and the content and mode of drug risk management work in medical institutions. Finally, suggestions were collected from various medical institutions on the system construction of drug risk management. Descriptive statistical analysis was adopted to summarize the obtained data. RESULTS A total of 446 questionnaires were collected in this survey, including 420 valid questionnaires and 26 invalid questionnaires. The questionnaire collection rate was 100%,and the effective rate was 94.17%. 51.19% of the respondents No.2020YFC2009001)。 based their understanding of drug risk management on Management Measures for Adverse Drug Reaction Reports and Monitoring, while 87.38% recognized the need for drug risk management throughout the drug use process. 63.33% of the participants stated that their medical institutions had dedicated positions related to drug risk management, with the highest proportion (72.17%) was in third-grade class A medical institutions. 66.43% reported implementing risk management across all drug use stages. Suggestions for the development of drug risk management systems in medical institutions by the research participants focused on enhancing guiding documents, clarifying concepts, establishing information-sharing mechanisms. CONCLUSIONS The overall awareness of drug risk management in China’s medical institutions is high, with practices in place across various stages in multiple forms. However, there remains a need to strengthen institutional documents, management regulations, system development, and information-sharing mechanisms to improve collaborative governance, improve drug management levels, and ensure patient safety.
2.Research progress in small molecule inhibitors of complement factor B
Shuai WEN ; Yao ZHAO ; Yan WANG ; Xing LI ; Yi MOU ; Zheng-yu JIANG
Acta Pharmaceutica Sinica 2025;60(1):37-47
The alternative pathway (AP) of the complement system is a key contributor to the pathogenesis of several diseases including paroxysmal nocturnal hemoglobinuria (PNH), atypical hemolytic uremic syndrome (aHUS), C3 glomerular disease (C3G) and age-related macular degeneration (AMD). Complement factor B (CFB) is a trypsin-like serine protein that circulates in the human bloodstream in a latent form. As a key node of the alternative pathway, it is an important target for the treatment of diseases mediated by the complement system. With the successful launch of iptacopan, the CFB small molecule inhibitors has become a current research hotspot, a number of domestic and foreign pharmaceutical companies are actively developing CFB small molecule inhibitors. In this paper, the research progress of CFB small molecule inhibitors in recent years is systematically summarized, the representative compounds and their activities are introduced according to structural types and design ideas, so as to provide reference and ideas for the subsequent research on CFB small molecule inhibitors.
3.Reference values of carotid intima-media thickness and arterial stiffness in Chinese adults based on ultrasound radio frequency signal: A nationwide, multicenter study
Changyang XING ; Xiujing XIE ; Yu WU ; Lei XU ; Xiangping GUAN ; Fan LI ; Xiaojun ZHAN ; Hengli YANG ; Jinsong LI ; Qi ZHOU ; Yuming MU ; Qing ZHOU ; Yunchuan DING ; Yingli WANG ; Xiangzhu WANG ; Yu ZHENG ; Xiaofeng SUN ; Hua LI ; Chaoxue ZHANG ; Cheng ZHAO ; Shaodong QIU ; Guozhen YAN ; Hong YANG ; Yinjuan MAO ; Weiwei ZHAN ; Chunyan MA ; Ying GU ; Wu CHEN ; Mingxing XIE ; Tianan JIANG ; Lijun YUAN
Chinese Medical Journal 2024;137(15):1802-1810
Background::Carotid intima-media thickness (IMT) and diameter, stiffness, and wave reflections, are independent and important clinical biomarkers and risk predictors for cardiovascular diseases. The purpose of the present study was to establish nationwide reference values of carotid properties for healthy Chinese adults and to explore potential clinical determinants.Methods::A total of 3053 healthy Han Chinese adults (1922 women) aged 18-79 years were enrolled at 28 collaborating tertiary centers throughout China between April 2021 and July 2022. The real-time tracking of common carotid artery walls was achieved by the radio frequency (RF) ultrasound system. The IMT, diameter, compliance coefficient, β stiffness, local pulse wave velocity (PWV), local systolic blood pressure, augmented pressure (AP), and augmentation index (AIx) were then automatically measured and reported. Data were stratified by age groups and sex. The relationships between age and carotid property parameters were analyzed by Jonckheere-Terpstra test and simple linear regressions. The major clinical determinants of carotid properties were identified by Pearson’s correlation, multiple linear regression, and analyses of covariance.Results::All the parameters of carotid properties demonstrated significantly age-related trajectories. Women showed thinner IMT, smaller carotid diameter, larger AP, and AIx than men. The β stiffness and PWV were significantly higher in men than women before forties, but the differences reversed after that. The increase rate of carotid IMT (5.5 μm/year in women and 5.8 μm/year in men) and diameter (0.03 mm/year in both men and women) were similar between men and women. For the stiffness and wave reflections, women showed significantly larger age-related variations than men as demonstrated by steeper regression slopes (all P for age by sex interaction <0.05). The blood pressures, body mass index (BMI), and triglyceride levels were identified as major clinical determinants of carotid properties with adjustment of age and sex. Conclusions::The age- and sex-specific reference values of carotid properties measured by RF ultrasound for healthy Chinese adults were established. The blood pressures, BMI, and triglyceride levels should be considered for clinical application of corresponding reference values.
4.Application of polyetheretherketone rod semi-rigid pedicle screw internal fixation in lumbar non-fusion surgery
Tao LIU ; Xing YU ; Jian-Bin GUAN ; Yong-Dong YANG ; He ZHAO ; Ji-Zhou YANG ; Yi QU ; Feng-Xian WANG ; Ding-Yan ZHAO ; Zi-Yi ZHAO
China Journal of Orthopaedics and Traumatology 2024;37(7):676-683
Objective To investigate the effect of Polyetheretherketone(PEEK)rod semi-rigid pedicle screw fixation sys-tem in lumbar spine non-fusion surgery.Methods A total of 74 patients with tow-level lumbar degenerative diseases who un-derwent surgery from March 2017 to December 2019 were divided into PEEK rod group and titanium rod group.In the PEEK rod group,there were 34 patients,including 13 males and 21 females,aged from 51 to 79 years old with an average of(62.4±6.8)years old;There were 1 patient of L1-L3 segments,7 patients of L2-L4 segments,20 patients of L3-L5 segments and 6 pa-tients of L4-S1 segments.In the titanium rod group,there were 40 patients,including 17 males and 23 females,aged from 52 to 81 years old with an average of(65.2±7.3)years old;There were 3 patient of L1-L3 segments,11 patients of L2-L4 segments,19 patients of L3-L5 segments and 7 patients of L4-S1 segments.The general conditions of operation,such as operation time,intraoperative blood loss,postoperative drainage was recorded.The visual analogue scale(VAS)for low back pain and Os-westry disability index(ODI)were compared in preoperatively and postoperatively(3 months,12 months and last follow-up)between two groups.The change of range of motion(ROM)was observed by flexion and extension x-ray of lumbar Results All patients successfully completed the operation.The follow-up time ranged from 22 to 34 months with an average of(26.8±5.6)months.The operative time(142.2±44.7)min and intraoperative blood loss(166.5±67.4)ml in PEEK group were lower than those in titanium group[(160.7±57.3)min、(212.8±85.4)ml](P<0.05).There was no significant differences in postoperative drainage between the two groups(P>0.05).At the final follow-up visit,in PEEK group and titanium group VAS of low back pain[(0.8±0.4)points vs(1.0±0.5)points],VAS for leg pain[(0.7±0.4)points vs(0.8±0.5)points]and ODI[(9.8±1.6)%vs(12.1±1.5)%]were compared with preoperative[(5.8±1.1)points vs(6.0±1.1)points],[(7.2±1.7)points vs(7.0±1.6)points],[(68.5±8.9)%vs(66.3±8.2)%]were significantly different(P<0.05).There was no significant difference in VAS scores between the two groups at each postoperative time point(P>0.05).At 3 months after surgery,there was no difference in ODI between the two groups(P>0.05).There were significant differences in ODI between PEEK group and titanium rod group at 12 months[(15.5±2.1)%vs(18.4±2.4)%]and at the last follow-up[(9.8±1.6)%vs(12.1±1.5)%](P<0.05).The total range of motion(ROM)of lumbar decreased in both groups after surgery.At 12 months after surgery and the last follow-up,the PEEK group compared with the titanium rod group,the total range of motion of lumbar was statistically significant(P<0.05).The range of motion(ROM)of the fixed segments decreased in both groups after surgery.The ROM of the fixed segments in PEEK group decreased from(9.5±4.6)° to(4.1±1.9)° at the last follow-up(P<0.05),which in the titanium rod group was de-creased from(9.8±4.3)°to(0.9±0.5)° at the last follow-up(P<0.05).The range of motion(ROM)of upper adjacent segment increased in both groups,there was statistical significance in the ROM of upper adjacent segment between the two groups at 12 months after surgery and the last follow-up,(P<0.05).There was no screw loosening and broken rods in both groups during the follow-up period.Conclusion The PEEK rod semi-rigid pedicle screw internal fixation system used in lumbar non-fusion surgery can retain part of the mobility of the fixed segment,showing comparable short-term clinical efficacy to titanium rod fu-sion.PEEK rod semi-rigid pedicle screw internal fixation system is a feasible choice for the treatment of lumbar spine degener-ative diseases,and its long-term efficacy needs further follow-up observation.
5.Species identification of hard ticks and molecular survey of Ana plasma in partial areas of Anhui Province
Xue ZHAO ; Khakhane LERATO ; Wan-Qing LU ; Xin-Yun WU ; Fang-Fei SONG ; Yu XIN ; Ying-Ying ZHANG ; Chen XING ; Ke-Han XU ; Mao-Zhang HE ; Yan LIU
Chinese Journal of Zoonoses 2024;40(4):302-307
The distribution of Ixodes and Ana plasma carried by Ixodes ticks in Anhui Province was clarified as reference for prevention and control of anaplasmosis.In total,630 hard ticks were collected from Jinzhai County,Hanshan County,Jing-de County and Chaohu City in Anhui Province from April to August 2023.Ticks were identified by morphological analysis and 16S rRNA sequencing.Nested PCR with Anaplasma species-specific primers were used to detect 16S rRNA of Anaplasma spe-cies carried by ticks.A phylogenetic tree was constructed using MEGA11.0 software.Of the identified ticks,18.8%(18/96)were Rhipicephalus microplus and 81.2%(78/96)were Haemaphysalis longicorni in Jinzhai County of Anhui Province,all were H.longicorni in Hanshan County and Chaohu City,while the main species in Jingde County was R.microplus.The posi-tive rate of Anaplasma carried by H.longicornis was 30.9%(102/330),which included A.bovis at 1.8%(6/330),A.phagocytophilum at 21.8%(72/330)and uncultured Anaplasma species at 7.3%(24/330).R.microplus was positively cor-related to A.bovis(13.6%,18/132).The uncultured Anaplasma species was mainly detected in host-free ticks.A.phagocy-tophilum was detected in 24.4%of parasitic ticks and 15.8%of host-free ticks.The positive rates of host-free and parasitic ticks were 19.9%and 17.8%,respectively.These results show that H.longicornis and R.microplus were the dominant ticks in several counties of Anhui Province.H.longicornis and R.microplus as well as free and parasitic ticks all carried Anaplas-ma.
6.Porcine SIRT5 promotes replication of foot and mouth disease virus type O in PK-15 cells
Guo-Hui CHEN ; Xi-Juan SHI ; Xin-Tian BIE ; Xing YANG ; Si-Yue ZHAO ; Da-Jun ZHANG ; Deng-Shuai ZHAO ; Wen-Qian YAN ; Ling-Ling CHEN ; Mei-Yu ZHAO ; Lu HE ; Hai-Xue ZHENG ; Xia LIU ; Ke-Shan ZHANG
Chinese Journal of Zoonoses 2024;40(5):421-429
The effect of porcine SIRT5 on replication of foot and mouth disease virus type O(FMDV-O)and the underlying regulatory mechanism were investigated.Western blot and RT-qPCR analyses were employed to monitor expression of endoge-nous SIRT5 in PK-15 cells infected with FMDV-O.Three pairs of SIRT5-specific siRNAs were synthesized.Changes to SIRT5 and FMDV-O protein and transcript levels,in addition to virus copy numbers,were measured by western blot and RT-qPCR analyses.PK-15 cells were transfected with a eukaryotic SIRT5 expression plasmid.Western blot and RT-qPCR analyses were used to explore the impact of SIRT5 overexpression on FMDV-O replication.Meanwhile,RT-qPCR analysis was used to detect the effect of SIRT5 overexpression on the mRNA expression levels of type I interferon-stimulated genes induced by SeV and FMDV-O.The results showed that expression of SIRT5 was up-regulated in PK-15 cells infected with FMDV-O and siRNA interfered with SIRT5 to inhibit FMDV-O replication.SIRT5 overexpression promoted FMDV-O replication.SIRT5 over-expression decreased mRNA expression levels of interferon-stimulated genes induced by SeV and FMDV-O.These results suggest that FMDV-O infection stimulated expression of SIRT5 in PK-15 cells,while SIRT5 promoted FMDV-O rep-lication by inhibiting production of type I interferon-stimula-ted genes.These findings provide a reference to further ex-plore the mechanism underlying the ability of porcine SIRT5 to promote FMDV-O replication.
7.The efficacy and safety of computed tomography-guided percutaneous cryoablation for malignant liver tumors at high-risk sites
Weihao ZHANG ; Xiaohui ZHAO ; Yan WANG ; Haipeng YU ; Wenge XING ; Tongguo SI
Chinese Journal of Internal Medicine 2024;63(8):762-768
Objective:To assess the efficacy and safety of computed tomography (CT)-guided percutaneous cryoablation in treating malignant liver tumors located explicitly at high-risk sites.Methods:Data were collected retrospectively from patients with malignant liver tumors undergoing percutaneous cryoablation at Tianjin Medical University Cancer Hospital between January 2018 and December 2021. In all, 46 patients with malignant liver tumors at non-high-risk sites were matched 1∶1 according to the maximum tumor diameter. Technical success rate, complete ablation rate, and complications at 12 and 24 months post-surgery were evaluated. A statistical analysis of the ablation effect difference between the high-risk site and non-high-risk site groups was conducted. Univariate and multivariate logistic regression analyses were performed to identify risk factors.Results:Both groups demonstrated a 100% intraoperative technical success rate, and no major complications related to cryoablation were observed. The complete ablation rate was 82.6% (38/46) and 71.7% (33/46) in the high-risk group and 84.8% (39/46) and 73.9% (34/46) in the non-high-risk group at 12 and 24 months, respectively. There was no significant difference in complete ablation rates between the two groups ( P>0.05). Multivariate analysis identified the distance between the tumor edge and high-risk site ≤5 mm and preoperative trans-arterial chemoembolization (TACE) treatment as independent risk factors for cryoablation effect. Conclusion:CT-guided percutaneous cryoablation is a safe and effective approach for patients with malignant liver tumor at high-risk sites. Our results emphasize the importance of proper preoperative planning and intraoperative manipulation.
8.Clinical effects of Buyang Huanwu Decoction combined with Erlong Xizhu Acupuncture Method on elderly patients with stroke
Yang SUN ; Meng-Qian YIN ; Yun-Fang DONG ; Yan ZHAO ; Guang-Xing MA ; Li-Li SUN
Chinese Traditional Patent Medicine 2024;46(7):2225-2229
AIM To investigate the clinical effects of Buyang Huanwu Decoction combined with Erlong Xizhu Acupuncture Method on elderly patients with stroke.METHODS Ninety-six patients were randomly assigned into control group(48 cases)for 1-month intervention of Erlong Xizhu Acupuncture Method,and observation group(48 cases)for 1-month intervention of both Buyang Huanwu Decoction and Erlong Xizhu Acupuncture Method.The changes in neurological function indices(NIHSS score,NDS score),Hcy,CysC,vascular endothelial function indices(ET-1,NO,vWF),intracranial hemodynamic indices(Vmean,R,DR),hemorheological indices(WBLSV,WBHSV,FIB,HCT,EAI)and prognosis assessment indices(mRS score,BI score)were detected.RESULTS After the treatment,the two groups displayed decreased neurological function indices,Hcy,CysC,ET-1,vWF,R,DR,hemorheological indices,mRS score(P<0.05),and increased NO,Vmean,BI score(P<0.05),especially for the observation group(P<0.05).CONCLUSION For the elderly patients with stroke,Buyang Huanwu Decoction combined with Erlong Xizhu Acupuncture Method can reduce serum Hcy,CysC levels,and improve vascular endothelial functions,intracranial hemodynamics,hemorheological indices,thus improve neurological functions and promote prognosis.
9.Chinese expert consensus on blood support mode and blood transfusion strategies for emergency treatment of severe trauma patients (version 2024)
Yao LU ; Yang LI ; Leiying ZHANG ; Hao TANG ; Huidan JING ; Yaoli WANG ; Xiangzhi JIA ; Li BA ; Maohong BIAN ; Dan CAI ; Hui CAI ; Xiaohong CAI ; Zhanshan ZHA ; Bingyu CHEN ; Daqing CHEN ; Feng CHEN ; Guoan CHEN ; Haiming CHEN ; Jing CHEN ; Min CHEN ; Qing CHEN ; Shu CHEN ; Xi CHEN ; Jinfeng CHENG ; Xiaoling CHU ; Hongwang CUI ; Xin CUI ; Zhen DA ; Ying DAI ; Surong DENG ; Weiqun DONG ; Weimin FAN ; Ke FENG ; Danhui FU ; Yongshui FU ; Qi FU ; Xuemei FU ; Jia GAN ; Xinyu GAN ; Wei GAO ; Huaizheng GONG ; Rong GUI ; Geng GUO ; Ning HAN ; Yiwen HAO ; Wubing HE ; Qiang HONG ; Ruiqin HOU ; Wei HOU ; Jie HU ; Peiyang HU ; Xi HU ; Xiaoyu HU ; Guangbin HUANG ; Jie HUANG ; Xiangyan HUANG ; Yuanshuai HUANG ; Shouyong HUN ; Xuebing JIANG ; Ping JIN ; Dong LAI ; Aiping LE ; Hongmei LI ; Bijuan LI ; Cuiying LI ; Daihong LI ; Haihong LI ; He LI ; Hui LI ; Jianping LI ; Ning LI ; Xiying LI ; Xiangmin LI ; Xiaofei LI ; Xiaojuan LI ; Zhiqiang LI ; Zhongjun LI ; Zunyan LI ; Huaqin LIANG ; Xiaohua LIANG ; Dongfa LIAO ; Qun LIAO ; Yan LIAO ; Jiajin LIN ; Chunxia LIU ; Fenghua LIU ; Peixian LIU ; Tiemei LIU ; Xiaoxin LIU ; Zhiwei LIU ; Zhongdi LIU ; Hua LU ; Jianfeng LUAN ; Jianjun LUO ; Qun LUO ; Dingfeng LYU ; Qi LYU ; Xianping LYU ; Aijun MA ; Liqiang MA ; Shuxuan MA ; Xainjun MA ; Xiaogang MA ; Xiaoli MA ; Guoqing MAO ; Shijie MU ; Shaolin NIE ; Shujuan OUYANG ; Xilin OUYANG ; Chunqiu PAN ; Jian PAN ; Xiaohua PAN ; Lei PENG ; Tao PENG ; Baohua QIAN ; Shu QIAO ; Li QIN ; Ying REN ; Zhaoqi REN ; Ruiming RONG ; Changshan SU ; Mingwei SUN ; Wenwu SUN ; Zhenwei SUN ; Haiping TANG ; Xiaofeng TANG ; Changjiu TANG ; Cuihua TAO ; Zhibin TIAN ; Juan WANG ; Baoyan WANG ; Chunyan WANG ; Gefei WANG ; Haiyan WANG ; Hongjie WANG ; Peng WANG ; Pengli WANG ; Qiushi WANG ; Xiaoning WANG ; Xinhua WANG ; Xuefeng WANG ; Yong WANG ; Yongjun WANG ; Yuanjie WANG ; Zhihua WANG ; Shaojun WEI ; Yaming WEI ; Jianbo WEN ; Jun WEN ; Jiang WU ; Jufeng WU ; Aijun XIA ; Fei XIA ; Rong XIA ; Jue XIE ; Yanchao XING ; Yan XIONG ; Feng XU ; Yongzhu XU ; Yongan XU ; Yonghe YAN ; Beizhan YAN ; Jiang YANG ; Jiangcun YANG ; Jun YANG ; Xinwen YANG ; Yongyi YANG ; Chunyan YAO ; Mingliang YE ; Changlin YIN ; Ming YIN ; Wen YIN ; Lianling YU ; Shuhong YU ; Zebo YU ; Yigang YU ; Anyong YU ; Hong YUAN ; Yi YUAN ; Chan ZHANG ; Jinjun ZHANG ; Jun ZHANG ; Kai ZHANG ; Leibing ZHANG ; Quan ZHANG ; Rongjiang ZHANG ; Sanming ZHANG ; Shengji ZHANG ; Shuo ZHANG ; Wei ZHANG ; Weidong ZHANG ; Xi ZHANG ; Xingwen ZHANG ; Guixi ZHANG ; Xiaojun ZHANG ; Guoqing ZHAO ; Jianpeng ZHAO ; Shuming ZHAO ; Beibei ZHENG ; Shangen ZHENG ; Huayou ZHOU ; Jicheng ZHOU ; Lihong ZHOU ; Mou ZHOU ; Xiaoyu ZHOU ; Xuelian ZHOU ; Yuan ZHOU ; Zheng ZHOU ; Zuhuang ZHOU ; Haiyan ZHU ; Peiyuan ZHU ; Changju ZHU ; Lili ZHU ; Zhengguo WANG ; Jianxin JIANG ; Deqing WANG ; Jiongcai LAN ; Quanli WANG ; Yang YU ; Lianyang ZHANG ; Aiqing WEN
Chinese Journal of Trauma 2024;40(10):865-881
Patients with severe trauma require an extremely timely treatment and transfusion plays an irreplaceable role in the emergency treatment of such patients. An increasing number of evidence-based medicinal evidences and clinical practices suggest that patients with severe traumatic bleeding benefit from early transfusion of low-titer group O whole blood or hemostatic resuscitation with red blood cells, plasma and platelet of a balanced ratio. However, the current domestic mode of blood supply cannot fully meet the requirements of timely and effective blood transfusion for emergency treatment of patients with severe trauma in clinical practice. In order to solve the key problems in blood supply and blood transfusion strategies for emergency treatment of severe trauma, Branch of Clinical Transfusion Medicine of Chinese Medical Association, Group for Trauma Emergency Care and Multiple Injuries of Trauma Branch of Chinese Medical Association, Young Scholar Group of Disaster Medicine Branch of Chinese Medical Association organized domestic experts of blood transfusion medicine and trauma treatment to jointly formulate Chinese expert consensus on blood support mode and blood transfusion strategies for emergency treatment of severe trauma patients ( version 2024). Based on the evidence-based medical evidence and Delphi method of expert consultation and voting, 10 recommendations were put forward from two aspects of blood support mode and transfusion strategies, aiming to provide a reference for transfusion resuscitation in the emergency treatment of severe trauma and further improve the success rate of treatment of patients with severe trauma.
10.Predictive activity of pulmonary cystic echinococcosis based on CT radiomic classifier model
Yaohui YU ; Yuan ZHAO ; Yan LI ; Xuehong LU ; Yang JING ; Yan XING
Chinese Journal of Radiology 2024;58(10):1050-1055
Objective:To explore the value of the classifier model based on CT radiomic characteristics in predicting the activity of pulmonary cystic echinococcosis (CE).Methods:The study was designed as cross-sectional. A retrospective analysis was performed on 81 patients diagnosed with pulmonary CE in the First Affiliated Hospital of Xinjiang Medical University from January 2010 to October 2020. The Python function divided 17 cases into an internal verification group and 64 cases into a training group with a ratio of 2∶8. In addition, 16 patients diagnosed with pulmonary CE from the Fourth Affiliated Hospital of Xinjiang Medical University from October 2020 to 2024 were included in the external validation group. All patients underwent CT examination, and radiomics features were extracted using Radcloud platform of Huimedi Huiying. The intraclass correlation coefficient was performed on the features, then feature screening was performed using the SelectKBest method, variance thresholding method, and least absolute shrinkage and selection operator. Finally, three classifiers (including support vector machine (SVM), K-neighborhood (KNN), and logistic regression (LR)) were used to build the models. The receiver operating characteristic curve and area under the curve (AUC) were used to evaluate the model′s efficiency.Results:Among 81 patients with lung CE, 58 were male, and 23 were female. twenty-eight lesions were active and 53 were inactive. A total of 11 optimal features were selected. Based on the selected features, the SVM classifier model, KNN classifier model, and LR classifier model were established. The KNN classifier model in the training group had the highest AUC value (0.93) and the highest specificity (0.98) in predicting lung CE activity. In the internal validation group, the SVM classifier model had the highest AUC value (0.92) and the highest specificity (0.91) in predicting lung CE activity. The LR classifier model performed best with the highest AUC of 0.85 for predicting lung CE activity in the external validation group, and the specificity of the three models was 0.92.Conclusion:The classifier model established based on CT radiomic features has a certain value in predicting lung CE activity, and may be helpful in clinical decision-making.

Result Analysis
Print
Save
E-mail