1.Meta-synthesis of qualitative research on the experience of kinesiophobia in patients with cardiac rehabilitation
Jianping LIU ; Weiting GUO ; Wei GAO ; Wenjun WANG ; Yuan SHENG ; Chunmei FAN ; Qi LU ; Deshan LIU
Chinese Journal of Nursing 2024;59(4):474-481
Objective To systematically review and synthesize the psychological experience of kinesiophobia in patients with cardiac rehabilitation.Methods PubMed,Web of science,Journals@Ovid,Embase,CINAHL,PsycINFO,Cochrane Library,CNKI,SinoMed,WanFang Database,Vip Database,American Heart Association,European Society of Cardiology and American Association of Cardiovascular and Pulmonary Rehabilitation were searched to collect qualitative research on the psychological experience of cardiac rehabilitation patients with kinesiophobia.The retrieval time was from the establishment of the databases to Jun 2023.The literature was evaluated using the Australian JBI Quality Evaluation Criteria for Qualitative Research in Evidence-based Health Care Centres(2016),and the results were consolidated using an aggregative integration approach.Results A total of 45 results were extracted from 14 studies.Similar results were summarized into 10 groups,and 3 integrated results were synthesized as followed.Kinesiophobia was influenced by many factors;kinesiophobia affects the life experience of patients;strategies to reduce the level of kinesiophobia.Conclusion Nurses should pay more attention to psychological experience of kinesiophobia,and take the corresponding intervention measures to help patients overcome the psychological barriers of kinesiophobia,perfect personalized exercise programs,and improve the level of physical activity.
2.Efficacy and safety of camrelizumab monoclonal antibody combined with molecular-targeted therapy in elderly patients with advanced hepatocellular carcinoma
Long CHENG ; Yue ZHANG ; Yushen LIU ; Zhaoqing DU ; Zhaoyang GUO ; Yangwei FAN ; Ting LI ; Xu GAO ; Enrui XIE ; Zixuan XING ; Wenhua WU ; Yinying WU ; Mingbo YANG ; Jie LI ; Yu ZHANG ; Wen KANG ; Wenjun WANG ; Fanpu JI ; Jiang GUO ; Ning GAO
Journal of Clinical Hepatology 2024;40(10):2034-2041
Objective To investigate the efficacy and safety of camrelizumab monoclonal antibody combined with molecular-targeted therapy in elderly patients with unresectable or advanced hepatocellular carcinoma(HCC).Methods A retrospective analysis was performed for the patients with unresectable/advanced HCC who attended six hospitals from January 1,2019 to March 31,2021,and all patients received camrelizumab monoclonal antibody treatment,among whom 84.8%also received targeted therapy.According to the age of the patients,they were divided into elderly group(≥65 years)and non-elderly group(<65 years).The two groups were assessed in terms of overall survival(OS),progression-free survival(PFS),objective response rate(ORR),disease control rate(DCR),and immune-related adverse events(irAE).The chi-square test or the Fisher's exact test was used for comparison of categorical data between groups;the independent samples t-test was used for comparison of normally distributed continuous data,and the Mann-Whitney U test was used for comparison of non-normally distributed continuous data between two groups.The Kaplan-Meier method was used for survival analysis,and the log-rank test was used for comparison of survival curves.Univariate and multivariate Cox proportional hazards regression analyses were used to determine the independent influencing factors for PFS and DCR at 6 months.Results A total of 99 HCC patients were enrolled,with 27 in the elderly group and 72 in the non-elderly group.The elderly group had an OS rate of 67.8%,an ORR of 44.4%,and a DCR of 74.1%at 12 months and a median PFS of 6.4(95%confidence interval[CI]:3.0-12.4)months,with no significant differences compared with the non-elderly group(all P>0.05).The median OS was unavailable for the elderly group,while the non-elderly group had an OS of 18.9(95%CI:13.0-24.8)months;there was no significant difference between the two groups(P=0.485).The univariate and multivariate Cox regression analyses showed that major vascular invasion(MVI)was an independent risk factor for PFS(hazard ratio[HR]=2.603,95%CI:1.136-5.964,P=0.024)and DCR(HR=3.963,95%CI:1.671-9.397,P=0.002)at 6 months,while age,sex,etiology of HBV infection,presence of extrahepatic metastasis,Child-Pugh class B,and alpha-fetoprotein>400 ng/mL were not associated with PFS or DCR at 6 months.For the elderly group,the incidence rates of any irAE and grade 3/4 irAE were 51.9%and 25.9%,respectively,with no significant differences compared with the non-elderly group(P>0.05),and skin disease was the most common irAE in both groups(39.4%).Conclusion Camrelizumab monoclonal antibody combined with molecular-targeted therapy has similar efficacy and safety in patients with unresectable/advanced HCC aged≥65 years and those aged<65 years.MVI is associated with suboptimal response to immunotherapy and poor prognosis.
3.Pharmacokinetic study of the complication of Ephedra sinica and Prunus armeniaca in bronchial asthma model rats
Linlin CHEN ; Jingen XIE ; Xuecheng FAN ; Qian RAO ; Tianyi YANG ; Jiayu TIAN ; Xiong XIAO ; Wenjun GAO ; Wenhong LI
China Pharmacy 2024;35(13):1588-1593
OBJECTIVE To study the pharmacokinetic changes in the plasma and cerebrospinal fluid of bronchial asthma model rats after the complication of Ephedra sinica and Prunus armeniaca. METHODS SD male rats were randomly divided into blank group, model group, E. sinica group (12 g/kg, calculated by raw drug, similarly hereinafter), P. armeniaca group (6 g/kg) and E. sinica-P. armeniaca drug-pair group (12 g/kg of E. sinica+6 g/kg of P. armeniaca), with 6 rats in each group. Except for the blank group, the bronchial asthma model was induced by spraying rats in each group with an equal volume mixture of 2% acetylcholine chloride and 0.4% histamine phosphate, once a day, for 7 d. One hour before modeling every time, rats in each group were gavaged with the corresponding drug/normal saline, once a day, for 7 d. After the final administration and provocation of asthma, blood and cerebrospinal fluid collection were performed at different time points. The plasma and cerebrospinal fluid samples were pre-treated (with geranylgeranyl as the internal standard), and the mass concentrations of ephedrine/pseudoephedrine, methyl ephedrine and amygdalin in both samples were determined by liquid chromatography-tandem mass spectrometry. DAS 2.0 pharmacokinetic software was used to determine the main pharmacokinetic parameters through the non-atrial chamber model and to compare the changes of the pharmacokinetic parameters before and after the combination of the two drugs. RESULTS Compared with E. sinica group, cmax and AUC0-21.33 h (or AUC0-10.67 h) of ephedrine/pseudoephedrine and methyl ephedrine in the plasma and cerebrospinal fluid of rats were significantly reduced in E. sinica-P. armeniaca drug-pair group, while CLZ/F and VZ/F were significantly increased (P<0.05 or P<0.01); tmax of methyl ephedrine in the cerebrospinal fluid was significantly shortened (P< 0.05).Compared with P. armeniaca group, the t1/2 of amygdalin in the plasma of rats in E. sinica-P. armeniaca drug-pair group was significantly shortened, and CLZ/F was significantly increased (P<0.01); the tmax of bitter amygdalin in the cerebrospinal fluid was significantly shortened, and the AUC0-10.67 h, CLZ/F, and VZ/F were significantly increased (P<0.01). CONCLUSIONS The combination of E. sinica and P. armeniaca accelerates the absorption and elimination of ephedra alkaloids, thus reducing the accumulation of ephedra alkaloids in the bronchial asthma model rats.
4.Efficacy comparison of different guidelines recommending the dosage of paricalcitol in treatment of maintenance hemodialysis complicated with secondary hyperparathyroidism
Ting BAI ; Fan HE ; Wenjun YANG
Chinese Journal of Postgraduates of Medicine 2024;47(11):961-966
Objective:To compare the clinical efficacy of different guidelines recommending the dosage of paricalcitol in the treatment of maintenance hemodialysis (MHD) with secondary hyperparathyroidism (SHPT).Methods:The clinical data of 150 patients with MHD combined with SHPT in the First Affiliated Hospital of Xinjiang Medical University from January 2021 to January 2022 were retrospectively analyzed. Among them, 75 patients were treated with the recommended dose of paricalcitol according to European guidelines (European guidelines group), and the starting dose was blood intact parathyroid hormone (iPTH) (ng/L)/80 μg; 75 patients were treated with the recommended dose of paricalcitol according to American guidelines (American guidelines group), and the starting dose was 0.04 μg/kg. The blood calcium, blood phosphorus, creatinine and urea nitrogen before treatment and 1, 3 months after treatment were measured, and the calcium phosphorus product was calculated. The serum alkaline phosphatase (ALP) and iPTH before treatment and 3, 6 months after treatment were measured. The adverse reactions (nausea, vomiting and gastrointestinal discomfort) during the treatment were recorded.Results:There were no statistical difference in the indexes before treatment between two groups ( P>0.05). The blood calcium, blood phosphorus and calcium phosphorus product 1 and 3 months after treatment in American guidelines group were significantly lower than those in European guidelines group, 1 month after treatment: (2.40 ± 0.15) mmol/L vs. (2.53 ± 0.23) mmol/L, (1.70 ± 0.15) mmol/L vs. (2.00 ± 0.30) mmol/L and (4.08 ± 0.42) mmol 2/L 2 vs. (5.06 ± 0.47) mmol 2/L 2, 3 months after treatment: (2.37 ± 0.14) mmol/L vs. (2.50 ± 0.25) mmol/L, (1.65 ± 0.13) mmol/L vs. (1.98 ± 0.27) mmol/L and (3.91 ± 0.40) mmol 2/L 2 vs. (4.95 ± 0.45) mmol 2/L 2, and there were statistical differences ( P<0.01). There were no statistical difference in creatinine and urea nitrogen 1 and 3 months after treatment between two groups ( P>0.05). There was no statistical difference in ALP 3 and 6 months after treatment between two groups ( P>0.05); the iPTH 3 and 6 months after treatment in American guidelines group was significantly lower than that in European guidelines group: (348.20 ± 21.50) ng/L vs. (451.65 ± 28.48) ng/L and (252.64 ± 21.64) ng/L vs. (340.48 ± 19.85) ng/L, and there were statistical differences ( P<0.01). There was no statistical difference in incidence of adverse reactions between two groups ( P>0.05). Conclusions:For patients with MHD combined with SHPT, the recommended dosage of paricalcitol in the American guidelines can significantly improve calcium and phosphorus levels and parathyroid function, without affecting renal function or increasing the incidence of adverse reactions.
5.Effects of three different blood purification modes on nutritional status and insulin resistance in patients with end-stage diabetes nephropathy
Ye ZHANG ; Wenjun YANG ; Fan HE ; Shun WANG
Chinese Journal of Postgraduates of Medicine 2024;47(12):1072-1076
Objective:To observe the effects of three different blood purification modes on nutritional status and insulin resistance in patients with end-stage diabetes nephropathy (DN).Methods:From January 2019 to January 2022, 150 patients with end-stage DN admitted to the First Affiliated Hospital of Xinjiang Medical University were retrospectively selected. All patients were divided into three groups according the treatment methods, the group A was treated with high-throughput hemodialysis, the group B was treated with sequential hemodialysis, the group C was treated with hemodialysis combined with hemoperfusion, with 50 patients in each group. After 3 months of treatment with different blood purification modes, the nutritional status, insulin resistance, inflammatory factors and adverse reactions of the patients in the three groups were evaluated.Results:After treatment, the levels of serum prealbumin (PA) and albumin (ALB) in the group C were higher than those in the group A and group B: (328.19 ± 34.82) mg/L vs. (241.87 ± 23.75), (246.35 ± 24.06) mg/L; (36.82 ± 9.51) g/L vs. (30.07 ± 8.73), (29.54 ± 8.14) g/L, there were statistical differences ( P<0.05). After treatment, the levels of fasting insulin (FINS), fasting blood glucose (FBG) and homeostatic model assessment insulin resistance index (HOMA-IR) in the group C were lower than those in the group A and group B: (6.82 ± 1.46) mU/L vs. (8.79 ± 1.1), (8.34 ± 1.08) mU/L; (7.57 ± 1.13) mmol/L vs. (9.51 ± 1.25), (9.28 ± 1.21) mmol/L; 2.29 ± 0.75 vs. 4.11 ± 0.84, 3.81 ± 0.79, there were statistical differences ( P<0.05). After treatment, the levels of interleukin-6 (IL-6) and high-sensitivity C-reactive protein (hs-CRP) in the group C were lower than those in the group A and group B: (9.28 ± 2.96) μg/L vs. (16.34 ± 3.13), (17.52 ± 4.08) μg/L; (5.17 ± 1.1) mg/L vs. (7.81 ± 1.25), (7.36 ± 1.21)mg/L; (36.06 ± 4.7) ng/L vs. (42.07 ± 5.84), (43.23 ± 5.79) ng/L, there were statistical differences ( P<0.05). After treatment, the rate of adverse reactions in the group A, group B and group C was 20.00%(10/50), 16.00%(8/50), 4.00%(2/50), there was statistical difference ( χ2 = 6.31, P = 0.043). Conclusions:Compared with high-throughput hemodialysis and sequential hemodialysis, hemodialysis combined with hemoperfusion can effectively improve the nutritional status of patients, reduce their blood sugar level and insulin resistance, reduce their micro inflammatory state, and reduce adverse reactions.
6.Effect of continuous renal replacement therapy by series double tank connection on serum sTfR,MCP-1 levels and survival quality in uremic patients with chronic renal failure
Zukelaayi·Muyibula ; Fan HE ; Wenjun YANG
China Medical Equipment 2024;21(5):112-117
Objective:To investigate the effect of continuous renal replacement therapy(CRRT)by series double tank on serum soluble transferrin receptor(sTfR),human macrophage chemotactic protein-1(MCP-1)level and survival quality in uremic patients with chronic renal failure.Methods:A total of 96 uremia patients with chronic renal failure underwent hemodialysis in the First Affiliated Hospital of Xinjiang Medical University from April 2022 to April 2023 were selected,and they were randomly divided into single tank group(single tank of CRRT continuous blood purification)and series double tank group(series double tank of CRRT continuous blood purification),with 48 patients in each group.The serum sTfR and MCP-1 levels of patients in two groups were measured before treatment,and 2 months,half a year and 1 year after treatment,and the relieved degree of skin pruritus after treatment was judged.The white blood cell(WBC)levels and the scores of acute physiological and chronic health evaluation II(APACHEII)scale of two groups were recorded before and 72h after treatment,respectively.The Chinese version of the European Five Dimension Scale(CEQ-5D-3L)was used to assess the quality of life of patients before and after treatment.Results:There was no significant difference in serum sTfR levels between the two groups(P>0.05).At 2 months,half a year and 1 year after treatment,the serum sTfR levels in the series double tank group were respectively lower than those of the single tank group,with statistically significant differences(t=5.089,18.410,41.306,P<0.05).There was no significant difference in serum MCP-1 level before treatment between two groups(P>0.05).At 2 months,half a year and 1 year after treatment,the MCP-1 levels in the series double tank group were respectively lower those in the single tank group,with statistically significant differences(t=8.554,8.019,10.744,P<0.05).The degree of existing skin pruritus of two groups were improved after treatment,however,the relieved degree of the single tank group was significantly lower than that of the series double tank group,with statistically significant difference(x2=8.540,P<0.05).The differences of WBC and APACHEII scores before treatment between the two groups were not statistically significant(P>0.05).At 72h after treatment,the WBC and APACHEII scores of two groups decreased,and the improvement degrees of them of the series double tank group were better than those of the single tank group,with statistically significant differences(t=5.549,14.781,P<0.05).The difference of serum CEQ-5D-3L scores before treatment between the two groups was not significant(P>0.05).At each time point of 2 months,half a year and 1 year after treatment,the total scores of the health description system standard of the series double tank group were significantly lower than those of the single tank group,and the visual analogue scale(VAS)scores of the series double tank group were significantly higher than those of the single tank group(t the total score of t he health description system standard=4.744,5.103,9.418,t VAS score=3.375,2.866,3.126,P<0.05),respectively.Conclusion:The series double tank CRRT can effectively reduce the serum sTfR and MCP-1 levels in uremia patients with chronic renal failure,and relieve the skin pruritus,and improve the survival quality,and effectively reduce the WBC level,and improve APACHEII score and blood routine.
7.Clinical characteristics of 15 cases of renal transplantation with pre-exsiting donor-specific antibody
Hongzhao FAN ; Jia LIU ; Jiajia SUN ; Junxiang WANG ; Xinlu PANG ; Wenjun SHANG ; Guiwen FENG ; Jinfeng LI
Journal of Central South University(Medical Sciences) 2023;48(10):1583-1591
Objective:Currently,patients with pre-exsiting donor-specific antibody(DSA)are prone to antibody-mediated rejection(AMR)after surgery and are at a relatively high risk of postoperative complications and graft failure.The risk of postoperative complications and graft failure is relatively high.This study aims to discuss the clinical outcome of DSA-positive kidney transplantation and analyze the role and safety of preoperative pretreatment in DSA-positive kidney transplantation,providing single-center treatment experience for DSA-positive kidney transplantation. Methods:We retrospectively analyzed the clinical data of 15 DSA-positive kidney transplants in the Department of Renal Transplantation of First Affiliated Hospital of Zhengzhou University from August 2017 to July 2022.Eight cases were organ donation after citizen's death(DCD)kidney transplant recipients,of which 3 cases in the early stage were not treated with preoperative desensitisation therapy(DCD untreated group,n=3),and 5 recipients were treated with preoperative rituximab desensitisation(DCD preprocessing group,n=5).The remaining 7 cases were living related donors recipients(LRD)who received preoperative desensitisation treatment with rituximab and plasma exchange(LRD preprocessing group,n=7).We observed and recorded the incidence of complications with changes in renal function and DSA levels in the recipients and the survival of the recipients and transplanted kidneys at 1,3 and 5 years,and to compare the differences in recovery and postoperative complications between 3 groups. Results:All 15 recipients were positive for preoperative panel reactive antibody(PRA)and DSA and were treated with methylprednisolone+rabbit anti-human thymocyte immunoglobulin induction before kidney transplantation.DCD untreated group all suffered from DSA level rebound,delayed renal graft function(DGF)and rejection reaction after surgery.After the combined treatment,DSA level was reduced and the graft renal function returned to normal.The DCD preprocessing group were all without antibody rebound,1 recipient developed DGF and the renal function returned to normal after plasmapheresis,and the remaining 4 recipients recovered their renal function to normal within 2 weeks after the operation.In the LRD preprocessing group,2 cases had antibody rebound and 1 case had rejection,but all of them recovered to normal after treatment,and DSA was maintained at a low level or even disappeared.The incidence of DGF and rejection in the DCD untreated group were significantly higher than that in the DCD preprocessing group and the LRD preprocessing group;and there were no significant difference in the incidence of postoperative haematuria,proteinuria,bacterial and fungal infections,and BK virus infection between the 3 groups(all P>0.05).A total of 11 of the 15 recipients were followed up for more than 1 year,6 for more than 3 years,and 1 for more than 5 years,and the survival rates of both the recipients and the transplanted kidneys were 100%. Conclusion:Effective preoperative pretreatment with desensitization therapy can effectively prevent antibody rebound in DSA-positive kidney transplantation and reduce perioperative complications.
8.Berberine targets the electron transport chain complex I and reveals the landscape of OXPHOS dependency in acute myeloid leukemia with IDH1 mutation.
Zhe HUANG ; Yunfu SHEN ; Wenjun LIU ; Yan YANG ; Ling GUO ; Qin YAN ; Chengming WEI ; Qulian GUO ; Xianming FAN ; Wenzhe MA
Chinese Journal of Natural Medicines (English Ed.) 2023;21(2):136-145
Metabolic reprogramming, a newly recognized trait of tumor biology, is an intensively studied prospect for oncology medicines. For numerous tumors and cancer cell subpopulations, oxidative phosphorylation (OXPHOS) is essential for their biosynthetic and bioenergetic functions. Cancer cells with mutations in isocitrate dehydrogenase 1 (IDH1) exhibit differentiation arrest, epigenetic and transcriptional reprogramming, and sensitivity to mitochondrial OXPHOS inhibitors. In this study, we report that berberine, which is widely used in China to treat intestinal infections, acted solely at the mitochondrial electron transport chain (ETC) complex I, and that its association with IDH1 mutant inhibitor (IDH1mi) AG-120 decreased mitochondrial activity and enhanced antileukemic effect in vitro andin vivo. Our study gives a scientific rationale for the therapy of IDH1 mutant acute myeloid leukemia (AML) patients using combinatory mitochondrial targeted medicines, particularly those who are resistant to or relapsing from IDH1mi.
Humans
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Oxidative Phosphorylation
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Berberine
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Electron Transport
;
Mitochondria
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Leukemia, Myeloid, Acute
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Isocitrate Dehydrogenase
9.The I226R protein of African swine fever virus inhibits the cGAS-STING-mediated innate immune response.
Yabo LI ; Huicong LOU ; Yuna ZHAO ; Wenhui FAN ; Pengtao JIAO ; Lei SUN ; Tingrong LUO ; Wenjun LIU
Chinese Journal of Biotechnology 2023;39(12):4796-4808
This study aimed to explore the mechanism of how African swine fever virus (ASFV) I226R protein inhibits the cGAS-STING signaling pathway. We observed that I226R protein (pI226R) significantly inhibited the cGAS-STING-mediated type Ⅰ interferons and the interferon-stimulated genes production by dual-luciferase reporter assay system and real-time quantitative PCR. The results of co-immunoprecipitation assay and confocal microscopy showed that pI226R interacted with cGAS. Furthermore, pI226R promoted cGAS degradation through autophagy-lysosome pathway. Moreover, we found that pI226R decreased the binding of cGAS to E3 ligase tripartite motif protein 56 (TRIM56), resulting in the weakened monoubiquitination of cGAS, thus inhibiting the activation of cGAS and cGAS-STING signaling. In conclusion, ASFV pI226R suppresses the antiviral innate immune response by antagonizing cGAS, which contributes to an in-depth understanding of the immune escape mechanism of ASFV and provides a theoretical basis for the development of vaccines.
Animals
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Swine
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African Swine Fever Virus/metabolism*
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Membrane Proteins/metabolism*
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Immunity, Innate
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Nucleotidyltransferases/metabolism*
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Signal Transduction/genetics*
10.Construction of a prediction model for lung cancer combined with chronic obstructive pulmonary disease by combining CT imaging features with clinical features and evaluation of its efficacy
Taohu ZHOU ; Wenting TU ; Xiuxiu ZHOU ; Wenjun HUANG ; Tian LIU ; Yan FENG ; Hanxiao ZHANG ; Yun WANG ; Yu GUAN ; Xin′ang JIANG ; Peng DONG ; Shiyuan LIU ; Li FAN
Chinese Journal of Radiology 2023;57(8):889-896
Objective:To assess the effectiveness of a model created using clinical features and preoperative chest CT imaging features in predicting the chronic obstructive pulmonary disease (COPD) among patients diagnosed with lung cancer.Methods:A retrospective analysis was conducted on clinical (age, gender, smoking history, smoking index, etc.) and imaging (lesion size, location, density, lobulation sign, etc.) data from 444 lung cancer patients confirmed by pathology at the Second Affiliated Hospital of Naval Medical University between June 2014 and March 2021. These patients were randomly divided into a training set (310 patients) and an internal test set (134 patients) using a 7∶3 ratio through the random function in Python. Based on the results of pulmonary function tests, the patients were further categorized into two groups: lung cancer combined with COPD and lung cancer non-COPD. Initially, univariate analysis was performed to identify statistically significant differences in clinical characteristics between the two groups. The variables showing significance were then included in the logistic regression analysis to determine the independent factors predicting lung cancer combined with COPD, thereby constructing the clinical model. The image features underwent a filtering process using the minimum absolute value convergence and selection operator. The reliability of these features was assessed through leave-P groups-out cross-validation repeated five times. Subsequently, a radiological model was developed. Finally, a combined model was established by combining the radiological signature with the clinical features. Receiver operating characteristic (ROC) curves and decision curve analysis (DCA) curves were plotted to evaluate the predictive capability and clinical applicability of the model. The area under the curve (AUC) for each model in predicting lung cancer combined with COPD was compared using the DeLong test.Results:In the training set, there were 182 cases in the lung cancer combined with COPD group and 128 cases in the lung cancer non-COPD group. The combined model demonstrated an AUC of 0.89 for predicting lung cancer combined with COPD, while the clinical model achieved an AUC of 0.82 and the radiological model had an AUC of 0.85. In the test set, there were 78 cases in the lung cancer combined with COPD group and 56 cases in the lung cancer non-COPD group. The combined model yielded an AUC of 0.85 for predicting lung cancer combined with COPD, compared to 0.77 for the clinical model and 0.83 for the radiological model. The difference in AUC between the radiological model and the clinical model was not statistically significant ( Z=1.40, P=0.163). However, there were statistically significant differences in the AUC values between the combined model and the clinical model ( Z=-4.01, P=0.010), as well as between the combined model and the radiological model ( Z=-2.57, P<0.001). DCA showed the maximum net benifit of the combined model. Conclusion:The developed synthetic diagnostic combined model, incorporating both radiological signature and clinical features, demonstrates the ability to predict COPD in patients with lung cancer.

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