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Objective To identify the potential prognostic biomarkers of the immune-related genes signature for patients with hepatocellular carcinoma (HCC). Methods Original HCC data were downloaded from TCGA, and the immune activity of each sample was calculated by ssGSEA. HCC samples were divided into high and low immune cell infiltration groups by "GSVA" package and "hclust" package. The ESTIMATE algorithm scored the tumor microenvironment in each HCC sample. The "limma" package and Venn diagram identified effective immune-related genes. Univariate Cox, Lasso regression and multivariate Cox regression analyses were used to explore key genes. The "rms" package was used to create nomograms and draw calibration curves. Results Compared with the high immune cell infiltration group, the tumor purity of the samples in the low immune cell infiltration group was higher, the immune score, ESTIMATE score and stromal score were lower. In the high immune cell infiltration group, the immune components were more abundant, and the expression levels of TIGIT, PD-L1, PD-1, LAG3, TIM-3, CTLA4 and HLA family were higher. Multivariate Cox regression analysis showed that four immune-related genes (S100A9, HMOX1, IL18RAP and FCER1G) were used to construct the prognosis model. Compared with other clinical features, the risk score of this prognostic model was recognized as an independent prognostic factor. Conclusion This study identified the immune-related core genes which may be used in targeted therapy and immunotherapy of HCC.
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Objective:To study the clinical characteristics of patients with severe abdominal infection and the epidemiological characteristics of pathogenic bacteria in a hospital, to provide a basis for rational use of antibiotics and reduce the drug resistance rate of pathogens.Methods:A retrospective analysis was performed on 237 patients with abdominal disease as the primary disease admitted to the surgical intensive care unit (ICU) of the First Affiliated Hospital of Guangxi Medical University from January 1st, 2017 to December 31st, 2019. They were divided into two groups according to whether abdominal infection occurred or not. The clinical features of patients in both groups were analyzed, including gender, age, acute physiology and chronic health evaluation Ⅱ (APACHE Ⅱ) score, chronic underlying diseases, primary abdominal site, abdominal trauma or bleeding, multiple organ dysfunction syndrome (MODS) involving organs and surgical treatment. At the same time, the bacterial origin, bacterial distribution and antibiotics sensitivity test results of patients with abdominal infection were recorded.Results:Abdominal infection occurred in 141 of the 237 patients and did not occur in the remaining 96 patients. There were no statistically significant differences between the abdominal infection group and the non-abdominal infection group in terms of gender, age, chronic underlying diseases, etiology and trauma. The APACHE Ⅱ score in the abdominal infection group was obviously higher than that of the non-abdominal infection group (24.0±8.1 vs. 17.1±5.8, P < 0.01). Incidences of abdominal bleeding, MODS involving four or more organs, surgery and the times of surgery ≥ 3 in the abdominal infection group were significantly higher than those in the non-abdominal infection group (36.2% vs. 17.7%, 20.6% vs. 1.0%, 84.4% vs. 21.9%, 9.3% vs. 0%, all P < 0.05). Among the 141 patients with abdominal infection, 107 obtained positive microbial culture results, and a total of 133 pathogenic strains were detected, including 115 strains of bacteria (86.5%) and 18 strains of fungi (13.5%). The main source of bacteria was abdominal drainage (46.1% of non-bloody specimens and 13.9% of bloody specimens). Among the 115 bacteria, Gram-negative (G -) bacteria were the most common (72.2%) and Gram-positive (G +) bacteria accounted for 27.8%. Escherichia coli and Acinetobacter baumannii were the top two G - bacteria (40.9% and 13.9%, respectively), and enterococcus faecalis accounted for the largest proportion of G + bacteria (7.8%). The pathogenic bacteria of abdominal infection were sensitive to tigacycline. Conclusions:The patients with abdominal infection in our hospital had high APACHE Ⅱ score, more organs failure and were easily complicated with intraperitoneal hemorrhage and required surgical intervention and even repeated surgery. The pathogenic bacteria in patients with abdominal infection in ICU were mainly G - bacteria, and the rate of multi-drug resistance of Acinetobacter baumannii was high. Empirical anti-infective treatment should be started as soon as possible according to the microbial spectrum of the region until the pathogenic bacteria results are obtained. Broad-spectrum antimicrobial therapy and combined antimicrobial therapy are recommended for the healthcare acquired abdominal infection in hospital.
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Objective:To investigate the application value of three-dimensional visualization technology in management of middle hepatic vein (MHV) processing in associating liver partition and portal vein ligation for staged hepatectomy(ALPPS).Methods:The retrospective and descriptive study was conducted. The clinical data of 40 patients with right massive liver cancer or multiple right liver lesions who underwent ALPPS in the First Affiliated Hospital of Guangxi Medical University from November 2017 to August 2019 were collected. There were 34 males and 6 females, aged (44±9)years, with a range from 26 to 64 years. All patients underwent multi-slice computed tomography (CT) plain and enhanced scan of superior abdominal region before operation, and the data were transmitted to the liver visualization analysis software IQQA system with 1.5 mm thin-layer images to complete the three-dimensional reconstruction of the liver and its blood vessels. Patients were performed ALPPS based on results of three-dimensional reconstruction and intraoperative findings. Observation indicators: (1) results of preoperative three-dimensional reconstruction; (2) surgical situations; (3) follow-up. Follow-up was conducted using outpatient examinations and telephone interview to detect postopeartive survival of patients up to March 2020. Measurement data with normal distribution were represented as Mean± SD, and measurement data with skewed distribution were described as M (range). Count data were represented as absolute numbers. Results:(1) Results of preoperative three-dimensional reconstruction: 40 patients underwent three-dimensional reconstruction successfully, of which 37 clearly showed MHV, tumor location and relationship between them, 3 patients showed unclearly MHV and were classified based on two-dimensional images. Of the 40 patients, 12 had MHV classified as type A, 13 as type B, 9 as type C, and 6 as type D. Three-dimensional reconstruction of vessels showed 22 with umbilical veins and 9 with anterior veins. Of the 40 patients, 35 were predicted to preserve MHV, and 5 were predicted to resect MHV. Total estimated liver volume, tumor volume, and reserved liver volume were (1 012±119)cm 3, 600 cm 3(8-2 055 cm 3), (346±80)cm 3. The ratio of future liver remnant to standard liver volume was 34%±8%. (2) Surgical situations : 40 patients underwent the first-stage ALPPS, including 35 with preservation of MHV and 5 with resection of MHV, which was accorded with preoperative prediction. Thirty-four patients underwent the second-stage ALPPS, and 6 patients had failure to receive the second-stage ALPPS due to undificiency future liver remnant. The operation time and volume of intraoperative blood loss for 40 patients undergoing first-stage ALPPS were (350±79)minutes and 300 mL(range, 100-2 600 mL). Three patients received blood transfusion and no perioperative death occurred. There were 24 patients with grade A heptic insufficiency according to criteria of International StudyGroup of Liver Surgery (ISGLS) and 16 patients with grade B heptic insufficiency after the first-stage ALPPS. Twenty-eight patients had grade Ⅰ complications of Clavien-Dindo classification, including 17 with a small pleural effusion, 10 with a small pleural and abdominal effusion, 1 with hypoproteinemia; 8 patients had grade Ⅱ complications of Clavien-Dindo classification, including 5 with pneumonia, 1 with pneumonia combined with pleural and abdominal effusion, 1 with coagulation disorders, 1 with biliary fistula; 3 patients had grade Ⅲ complications of Clavien-Dindo classification, including 2 with pneumothorax and pneumonia, 1 with pneumothorax, pneumonia and coagulation disorders; 1 patient had grade Ⅳ complications of Clavien-Dindo classification as systemic inflammatory response syndrome. All patients with complications were improved after symptomatic treatment, anti infection, transfusion of fresh frozen plasma or drainage. For the 34 patients undergoing the second-stage ALPPS, the operation time and volume of intraoperative blood loss were (320±83)minutes and 500 mL(range, 200-6 000 mL). Twelve patients received blood transfusion. There were 12 patients with grade A heptic insufficiency according to criteria of ISGLS and 22 with grade B heptic insufficiency after the second-stage ALPPS. Eighteen patients had grade Ⅰ complications of Clavien-Dindo classification, including 11 with a small pleural effusion, 7 with a small pleural and abdominal effusion; 12 patients had grade Ⅱ complications of Clavien-Dindo classification, including 4 with pneumonia, 4 with coagulation disorders, 3 with massive abdominal effusion, 1 with biliary fistula; 3 patients had grade Ⅲ complications of Clavien-Dindo classification, including 1 with pneumothorax and pneumonia, 1 with massive pleural effusion, 1 with obstructive jaundice; 1 patient had grade Ⅳ complications of Clavien-Dindo classification as pneumonia and anemia. All patients with complications were improved after symptomatic treatment, anti infection, transfusion of fresh frozen plasma or drainage. (3) Follow-up: 40 patients were followed up for 2-35 months, with a median follow-up time of 17 months. The 6-month, 1-, and 2-year survival cases were 35, 26, 21 cases. Conclusion:Three-dimensional visualization technology can clearly show the MHV classification and its relationship with tumor location, which has an important guiding significance in the decision-making of MHV management in ALPPS.
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Objective To investigate the clinical efficacy of hepatic artery ringed and restriction operation-associating liver partition and portal vein ligation for staged hepatectomy (HARO-ALPPS) in the treatment of giant hepatocellular carcinoma.Methods The retrospective and descriptive study was conducted.Clinical data of a 45-year-old male patient with giant hepatocellular carcinoma who was admitted to the First Affiliated Hospital of Guangxi Medical University in July 2018 were collected.In the first stage operation,right portal vein ligation+ in situ liver partition + right hepatic artery ringed operation was performed on the patient.In the second stage operation,right hemihepatectomy was performed on the patient.Observation indicators:(1) surgical and postoperative situations of the first stage operation;(2) surgical and postoperative situations of the second stage operation;(3) postoperative pathological examination;(4) changes in future liver remnant (FLR) and tumor volume;(5) perioperative hemodynamic changes of right hepatic artery,proper hepatic artery and left hepatic artery;(6) perioperative hemodynamic changes of left-portal vein and main portal vein;(7) follow-up.Follow-up using outpatient examination was performed to detect the prognosis of patients up to February 2019.Count data were described as absolute number.Results (1) Surgical and postoperative situations of the first stage operation:the patient underwent right portal vein ligation+ in situ liver partition+ right hepatic artery ringed operation successfully.The operation time and volume of intraoperative blood loss were 376 minutes and 400 mL.Inflammatory indicators including body temperature,white blood cells (WBC),C-reactive protein,procalcitonin,and liver function indices including total bilirubin (TBil),albumin (Alb),alanine aminotransferase (ALT),aspartate aminotransferase (AST),ascites,indocyanine green retention rate at15 min (ICG R15),score of model for end-stage liver disease (MELD) before the second stage operation were improved after symptomatic supportive treatment.Prothrombin time (PT) was in the normal range after the first stage operation.There was no complication of Clavien-Dindo classification Ⅱ or above.(2) Surgical and postoperative situations of the second stage operation:the patient underwent right hemihepatectomy successfully.The operation time and volume of intraoperative blood loss were 322 minutes and 900 mL.The patient received 300 mL of fresh frozen plasma infusion.Inflammatory indicators including body temperature,C-reactive protein,and liver function indices including Alb,ALT,AST,ascites,were recoved to normal level after symptomatic supportive treatment.WBC,procalcitonin,TBil,and PT were in the normal range.There was no complication of Clavien-Dindo classification Ⅱ or above.(3) Postoperative pathological examination:① Ⅱ stage hepatocellular carcinoma was confirmed,mass-like type,with tissue necrosis and microvascluar invasion.There was no distal metastasis and tumor did not invade liver capsule or surgical margin.Ishak score of surrounding tissues was 3 in the inflammation and 2 in the fibrosis.② Chronic inflammation was detected in the gallbladder mucosa.③ Reactive hyperplasia was found in the 2 lymph nodes of the group 8.④ One in the group 12 lymph nodes showed reactive hyperplasia.Immunohistochemistry showed positive Glypican-3,Hepatocyte,Arginase-1,NM23,weakly positive vascular endothelial growth factor,and negative Ki-67,vascular endothelial cell marker CD34,biliary epithelial marker CK19 and CK 7,tumor suppressor gene P21 and P23.(4) Changes in FLR and tumor volume:FLR was 565 mL and 580 mL at the 5th and 14th day after the first stage operation respectively,accounting for 54％ and 57％ of total liver volume.The FLR to body weight ratio was 0.96 and 0.98,and the growth rate of FLR was 194％ and 202％.Tumor volume was 1 210 mL and 1 297 mL at the 5th and 14th day after the first stage operation respectively.Tumor necrosis volume was 635 mL and 500 mL at the 5th and 14th day after the first stage operation respectively.At the 5th and 14th day after the first stage operation,the liver CT examination showed that HARO was successfully underwent and the blood supply of remnant liver was good.Preoperative CT aothgraphy (CTA) examination showed that the right hepatic tumor had rich arterial blood supply.At the 5th day after the first stage operation,the CTA examination confirmed the ringed site of right hepatic artery,and the blood supply of the tumor gradually decreased.At the 14th day after the first stage operation,CTA examination showed significant decrease in the blood supply of liver tumors.Liver CT examination showed rich supply of the remnant liver and the liver volume of 829 mL at the 7th day after the second stage operation.(5) Perioperative hemodynamic changes of the right hepatic artery,proper hepatic artery and left hepatic artery.① Blood flow of right hepatic artery was 224.3,574.7,827.5,222.7,153.0,282.5,279.1,247.9 and 150.2 mL/min before the first stage operation,before right portal vein ligation,after right portal vein ligation and before right hepatic artery ringed and restriction,after right portal vein ligation and right hepatic artery ringed and restriction,at the 1st,3th,5th and 7th day after the first stage operation.Blood flow of right hepatic artery in the second stage operation was 505.0 mL/min.② Blood flow of proper hepatic artery was 399.7,793.5,830.5,1 075.4,784.7.5,821.2,722.8,467.4 and 555.4 mL/min before the first stage operation,before right portal vein ligation,after right portal vein ligation and before right hepatic artery ringed and restriction,after right portal vein ligation and right hepatic artery ringed and restriction,at the 1st,3th,5th and 7th day after the first stage operation.Blood flow of proper hepatic artery was 505.0,473.3,158.5,627.0,103.8 and 139.8 mL/min before right hepatectomy in the second stage operation,after right hepatectomy,at the 1st,3th and 5th day after the second operation,respectively.③ Blood flow of left hepatic artery was 147.5,13.8,19.4,16.2,62.1,93.9,67.1,30.8 and 106.1 mL/min before the first stage operation,before right portal vein ligation,after right portal vein ligation and before right hepatic artery ringed and restriction,after right portal vein ligation and right hepatic artery ringed and restriction,at the 1st,3th,5th,7th and 10th day after the first stage operation.Blood flow ot left hepatic artery was 52.0,43.2,112.4,103.6,80.7 and 56.1 mL/min before right hepatectomy in the second stage operation,after right hepatectomy,at the 1st,3th and 5th day after the second operation,respectively.(6) Perioperative hemodynamic changes of left-portal vein and main portal vein.① Blood flow of left portal vein was 552.6,181.2,412.2,320.0,1 777.7,1 284.7,749.5 and 484.2 mL/min before the first stage operation,before right portal vein ligation,after right portal vein ligation and right hepatic artery ringed and restriction,at the 1st,3th,5th,7th and 10th day after the first stage operation,respectively.Blood flow of left portal vein was 793.3,979.0,485.2,1 042.5,803.5 and 548.3 mL/min before right hepatectomy in the second stage operation,after right hepatectomy,at the 1st,3th,5th and 7th day after the second operation respectively.② Blood flow of main portal vein was 1 186.0,696.7,833.7,431.7,1 319.1,668.4,890.7,550.8 mL/min before the first stage operation,before right portal vein ligation,after right portal vein ligation and right hepatic artery ringed and restriction,at the 1st,3th,5th,7th and 10th day after the first stage operation,respectively.Blood flow of main portal vein was 846.4,937.4,891.2,1 671.0,2 697.8,and 1 230.0 mL/min before right hepatotectomy in the second stage operation,after right hepatectomy,at the 1st,3th,5th and 7th day after the second stage operation,respectively.(7) Follow up:the patient was followed up for 6 months and survived well,with Child A of liver function and normal alpha fetoprotein level.Liver contrast CT examination showed increase in the remnant liver,good blood supply,and no tumor recurrence.The FLR was 727 mL at the 2 months after operation.Conclusion For patients with giant hepatocellular carcinoma,HARO-ALPPS can be performed to decrease blood supply of tumor,increase tumor necrosis area,and reduce the incidence of intrahepatic arteriovenous fistula,which ensure blood supply of remnant liver hyperplasia.
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Objective To evaluate the use of intercostal trocars (ICS) and transthoracic trocars in laparoscopic resection of liver segments 7 and 8.Method From November 2015 to June 2017,20 patients who underwent laparoscopic S7 or 8 segmentectomy for liver tumors in the Department of Hepatobiliary Surgery,the First Affiliated Hospital,Guangxi Medical University were analyzed retrospectively.Results Ports were inserted at the 8th or 9th ICS,respectively,in addition to the conventional abdominal ports.The mean operation time was 225.0 min (110.0 ～ 486.0 min).Anatomical resection was completed in 1 patient,and non-anatomical resection in 19 patients.The conversion rate was 0％.Pringle's maneuver was used in 9 patients.The mean blood loss was 85.0 (25.0 ～410.0) ml,and the mean length of hospital stay was 7.0 (5.0 ～ 12.0) days.The complication rate was 10.0％.Pathologic findings revealed that 17,2,1 patient(s) had HCC,hemangioma,and inflammatory nodule,respectively.The mean tumor size and tumor free margin were 33.8 (15.0 ～ 74.0) mm;and 15.0 (1.0 ～ 30.0) mm,respectively.There was no HCC recurrence on follow-up,expect for one patient who developed tumor recurrence at 20 months after laparoscopic liver resection.Conclusions In selected patients,laparoscopic liver resection using intercostal trocars was useful and safe for tumors located in liver segments 7 and 8.The long-term oncologic outcomes need to be further evaluated.
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Objective To investigate the correlation between interleukin-6 (IL-6) and future liver remnant (FLR) growth after associating liver partition and portal vein ligation for staged hepatectomy (ALPPS).Methods The retrospective cross-sectional study was conducted.The clinicopathological data of 15 patients who underwent ALPPS at the First Affiliated Hospital of Guangxi Medical University between March 2017 and May 2018 were collected.Observation indicators:(1) intraoperative situations in the first staged ALPPS and the second staged ALPPS;(2) postoperative situations:① postoperative complications and duration of hospital stay,② results of pathological examination;(3) IL-6 concentration in the peripheral blood before and after operation;(4)follow-up situations.Follow-up using outpatient examination,telephone interview and internet was performed to detect life quality and survival of patients.Imaging examination was done to detect tumor recurrence and metastasis.Follow-up was done up to May 2018.Measurement data with normal distribution or similar normal distribution were represented as (x)±s.Measurement data with skewed distribution were described as M (range).Repeated measures data were analyzed by the repeated measures ANOVA.Correlation comparison was done using Pearson bivariate correlation test.Results (1) Intraoperative situations.① The first staged ALPPS:15 patients had liver parenchymal transection via anterior approach combined with selective hepatic vascular exclusion,without allogenic blood transfusion.The operation time,volume of intraoperative blood loss,FLR at postoperative 16 days,interval time to the second staged ALPPS,growth rate of liver volume,ratio of FLR and standard liver volume (SLV) were respectively 324 minutes (range,240-387 minutes),356 mL (range,200-600 mL),(582± 134) cm3,24 days (range,9-34 days),35％±20％ and 53％±7％.② The second staged ALPPS:of 15 patients,13 underwent the second staged ALPPS successfully including 11 undergoing middle hepatic vein preserved right hepatectomy and 2 undergoing expanded right hemihepatectomy or right trisegmentectomy,1 underwent transcatheter arterial chemoembolization (TACE) due to FLR/SLV =31％,1 was detected yellow-white nodules at left lobe and confirmed as hepatocellular carcinoma by frozen section pathological examination,and then improved and discharged after 5-FU abdominal local chemotherapy combined with postoperative TACE.The operation time,volume of intraoperative blood loss of 13 patients undergoing the second staged ALPPS were 324 minutes (range,140-515 minutes) and 639 mL(range,100-1 400 mL).Two patients had blood transfusion including 1 with 800 mL of fresh frozen plasma and 4.0 U of red cells and 1 with 600 mL of plasma and 9.5 U of de-leucocytes and red cells.(2) Postoperative situations.① Postoperative complications and duration of hospital stay:15 patients had no perioperative death,9 and 6 were detected grade A and grade B liver failure respectively,15 had grade Ⅰ complications of Clavien-Dindo classification and no patient had grade Ⅱ and above complications,10 had pleural effusion including 1 with volume of effusion ＞500 mL.Of 13 patients undergoing the second staged ALPPS,4 and 9 were detected grade A and grade B liver failure respectively,8 and 5 had grade Ⅰ and Ⅱ complications of Clavien-Dindo classification and no patient had grade Ⅲ and above complications,11 had few pleural effusion with volume of effusion ＜500 mL.Patients with grade B liver failure and grade Ⅱ complications were recovered and discharged after treatments of liver protection,gastric protection,reinforced dressing change,continuous use of Alb,fresh frozen plasma transfusion.The patient with volume of pleural effusion ＞ 500 mL was improved after closed thoracic drainage and other patients with pleural effusion were improved after symptomatic and supportive treatment.Duration of total hospital stay was 31 days (range,22-49 days) in 15 patients.② Results of pathological examination:13 patients undergoing complete ALPPS were diagnosed as hepaticocellular carcinoma with R0 resection and without cancer cells involving surgical margin,including 7 with grade Ⅱ portal vein tumor thrombus.Ishak score for postoperative pathological fibrosis and liver cirrhosis was 7.7±1.4 in 15 patients,including 1 case of 5,1 case of 6,2 case of 7,6 case of 8,5 case of 9.(3) IL-6 concentration in the peripheral blood before and after operation:IL-6 concentration in the peripheral blood before surgery was (8±3)ng/L in 15 patients,and (207±150)ng/L,(104±65)ng/L,(45±38)ng/L,(26±9)ng/L,(18±10)ng/L at 1,3,5,7,10 days after the first staged ALPPS,showing a statistically significant difference in changing trend before and after surgery (F=25.877,P＜0.05) and statistically significant differences in paired comparison between 1,3,5,7,10 days after the first staged ALPPS and before surgery respectively (P＜0.05).There was correlation between IL-6 concentration in the peripheral blood at 1,3 days after the first staged ALPPS and growth of FLR (r=0.766,0.881,P＜0.05),and also between IL-6 concentration in the peripheral blood at 1,3 days after the first staged ALPPS and growth rate of FLR (r =0.810,0.879,P＜ 0.05).(4) Follow-up:15 patients were followed up for 1-14 months with a median time of 7 months.Of the 15 patients,1 without the second staged ALPPS died of multiple organ dysfunction syndrome at 7 months after the first staged ALPPS,14 survived and took care of theirselves in daily life during follow-up with improved life quality,including 1 detected multiple lung metastases at 12 months after complete ALPPS with mild increased AFP and 13 undetected new lesions in the remnant liver on contrast-enhanced CT and liver contrast-enhanced ultrasonography with normal AFP.Conclusion The peak of IL-6 concentration in peripheral blood at 1,3 days after the first staged ALPPS is significantly correlated with the hyperplasia of FLR,which may be used to predict the hyperplasia of FLR.
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Objective To investigate the risk factors and treatment efficiency for lung cancer patients with venous thromboembolism (VTE). Methods Total 282 cases of lung cancer patients with VTE were enrolled into two groups , including the VTE group and the non-VTE group , for comparation analysis based on a series of clinical data. Results The occupation rate of adenocarcinoma and Ⅳ period were 65.28% and 87.50% in VTE group, respectively, higher than those of 51.43% and 75.71% in the non-VTE group. The increased rate of blood viscosity and d-dimer respectively were 65.28% and 70.83%, higher than those of 51.43% and 56.67% in the non-VTE group, with significant differences (P < 0.05, respectively). Result of logistic regression analysis showed that tumor stage , d-dimer levels , smoking , age , and blood viscosity levels were highly correlated with venous thrombosis in patients with lung cancer, and the OR value among them was 3.802, 2.339, 5.814, 3.875 and 6.404, respectively, with significant differencees (P < 0.05, respectively). Conclusions Lung adenocarcinoma with stage Ⅳ, smoking , age and increase of blood viscosity and d-dimer were the important risk factors for VTE in patients with lung cancer chemotherapy. Timely assessment of risk factors and early anticoagulation therapy in lung cancer patients with venous thromboembolism associated with VTE can improve the treatment efficacy and reduce the complications.