1.Application of magnetic compression anastomosis to colorectal anastomosis and reconstruction
Jing LI ; Guifang LU ; Miaomiao ZHANG ; Shiqi LIU ; Xiaopeng YAN ; Feng MA ; Xiaoyang REN ; Xuejun SUN ; Yi LYU ; Shuixiang HE ; Mudan REN
Chinese Journal of Digestive Endoscopy 2023;40(5):397-400
Clinical cases treated by magnetic compression anastomosis (MCA) for different causes and types of intestinal stenosis/ atresia to successfully achieve intestinal recanalization were reviewed, so as to explore the clinical application of MCA. From May 2019 to August 2022, 4 patients underwent colorectal MCA for intestinal recanalization in the First Affiliated Hospital of Xi'an Jiaotong University and Northwest Women and Children's Hospital. All operations went well, and the intestinal anastomosis was recanalized. The magnetic ring was discharged in 7-15 days, and the postoperative colonoscopy or radiography showed that the anastomosis was intact. MCA can be used to treat different types of colorectal stenosis and atresia due to different reasons, and can also be used to assist intestinal anastomosis in colorectal surgery.
2.Effect of intravenous albumin in patients with liver cirrhosis and nephrotic syndrome
Qian ZHAO ; Mudan REN ; Guifang LU ; Yan YIN ; Shuixiang HE ; Yan ZHAO
Journal of Xi'an Jiaotong University(Medical Sciences) 2023;44(4):571-576
【Objective】 To investigate the outcomes of intravenous injection of human albumin (HA) in patients with both liver cirrhosis and nephrotic syndrome. 【Methods】 We retrospectively studied 101 liver cirrhosis patients with ascites and nephrotic syndrome treated in our hospital from January 2018 to November 2021. All the patients received oral diuretic and intravenous albumin therapy. Their baseline characteristics were collected and the changes in serum albumin and creatinine levels before and after treatment were evaluated. The patients with elevated albumin levels after treatment greater than the median value (1.8 g/L) were defined as response group. The rest of the patients were classified as the non-response group. And Logistic regression analysis was used to evaluate the relevant influencing factors for treatment response. 【Results】 All the patients’ symptoms of abdominal distension related to moderate to great ascites were clinically lessened at the end of treatment, and no case of acute kidney injury occurred during the treatment. Of them, 32 patients had repeated hospitalizations within six months after discharge. The serum albumin level was significantly increased after treatment [(26.5±5.9) g/L vs. (29.9±4.9) g/L, P<0.001] and there was no significant difference in serum creatinine before and after treatment [(111.9±118.4)μmol/L vs. (108.5±87.9)μmol/L, P=0.816]. Fifty-three patients were defined as treatment response group. The differences in characteristics including age, sex, etiology of cirrhosis, and proteinuria were not statistically significant. However, the serum creatinine level was significantly lower in the response group than in the non-response group [(84.1±51.2)μmol/L vs. (142.7±158.4)μmol/L, P=0.017\]. A similar trend of difference was observed with respect to urea nitrogen level \[(8.7±5.1)mmol/L vs. (11.8±9.1)mmol/L, P=0.039\]. Multivariate analyses demonstrated that the serum creatinine level was a risk factor for non-response to treatment (hazard ratio=1.025, 95% CI: 1.010-1.049, P=0.037). In addition, the correlation analysis showed that the baseline albumin levels were negatively correlated with hospital stay time (r=-0.340, P=0.001), daily HA usage (r=-0.546, P<0.001), and baseline proteinuria levels (r=-0.654, P<0.001), respectively. 【Conclusion】 Intravenous injection of HA in cirrhotic patients with nephrotic syndrome was safe and effective for the treatment of ascites. Kidney function affects serum albumin levels and response to treatment.
3.Clinical application of magnetic anchor-guided endoscopic submucosal dissection
Jing LI ; Mudan REN ; Xiaopeng YAN ; Feng MA ; Yin YAN ; Xinlan LU ; Yi LYU ; Shuixiang HE ; Guifang LU
Chinese Journal of Digestive Endoscopy 2023;40(10):788-792
Objective:To evaluate the feasibility and effectiveness of magnetic anchor-guided endoscopic submucosal dissection (MAG-ESD).Methods:A total of 36 patients with gastrointestinal tumors at different sites who underwent MAG-ESD in the First Affiliated Hospital of Xi'an Jiaotong University from March 2020 to October 2022 were enrolled. The anchor success rate, en bloc resection rate, the anchor time, the procedure time, and the complication incidence were observed and analyzed.Results:Among the 36 patients, there were 9 lesions in stomach, 2 in duodenum, 6 in cecum and 19 in colorectum. Thirty-five (97.2%) patients successfully underwent magnetic anchor, and en bloc resection of lesions were completed. No adverse events such as bleeding or perforation occurred. The anchor time and procedure time was 4.0 (2.0-9.5) min and 36 (16-82) min, respectively.Conclusion:MAG-ESD is feasible and effective for gastrointestinal tumors at different sites, with a high anchor success rate and en bloc resection rate, and shorter operation time, especially for difficult submucosal dissection.
4.Mechanism of sinomenine in regulating M2 macrophage polarization induced by gastric cancer cells
Yifei CHEN ; Mudan REN ; Xinlan LU ; Guifang LU ; Dan ZHANG ; Yan ZHAO ; Yarui LI ; Dan GUO ; Shuixiang HE
Journal of Xi'an Jiaotong University(Medical Sciences) 2022;43(3):436-443
【Objective】 To study the role and mechanism of sinomenine in the macrophage polarization induced by gastric cancer cells. 【Methods】 Sinomenine was added to gastric cancer cells BGC-823 and MKN-45, cell viability was measured by CCK-8, cell proliferation was measured by colony formation experiment, Co-culture and Transwell cell migration experiments were used to evaluate the recruitment and polarization of macrophages by sinomenine, flow cytometry was used to evaluate the polarization of macrophages, and qRT-PCR and Western blot were used to detect the expression of gene RNA and protein levels. 【Results】 Sinomenine could inhibit the proliferation of gastric cancer cells and the recruitment of gastric cancer cells to macrophages, thus promoting macrophage M2 polarization. It simultaneously inhibited the expression of STAT6 as well as the expression and phosphorylation of C/EBPβ. When STAT6 is overexpressed, it could reduce these inhibitory effects of sinomenine on gastric cancer cells. Further research found that STAT6 mediated the secretion of IL-6 by gastric cancer cells, which was the cause of sinomenine-mediated macrophage recruitment and M2 polarization. 【Conclusion】 The natural drug sinomenine has a good tumor-suppressing ability against gastric cancer, directly inhibits the survival and migration of gastric cancer cells, and inhibits the expression of IL-6 and the M2 phenotype in the tumor microenvironment, reshapes the tumor environment, and reduces the risk of M2 type macrophages for gastric cancer tumors.
5.Analysis of inpatient satisfaction and influencing factors in 33 tertiary cancer hospitals in China
Meicen LIU ; Zhongshi JIANG ; Zixuan FAN ; Mudan YAN ; Jing SUN ; Jing MA ; Linlin HU ; Yuanli LIU
Chinese Journal of Hospital Administration 2021;37(6):477-482
Objective:To investigate the patient satisfaction at tertiary cancer hospitals in China, and explore its determinants.Methods:Based on the fifth third-party evaluation of China Healthcare Improvement Initiative, an inpatient satisfaction survey was conducted from January 2021 to March 2021 in 33 tertiary cancer hospitals in China. Inpatient satisfaction was analyzed, and Chi-square test and binary multivariate logistic regression were run, using the level of overall inpatient satisfaction as a dependent variable.Results:A total of 5 417 inpatients in tertiary cancer hospitals was recruited with 49.8% men. The inpatient at the age of 35-59 accounted for 56.0%, and they were 52.8±13.9 years old. The level of overall inpatient satisfaction was 98.90%. The inpatient satisfaction rates of meal service, waiting time for admission and psychological counseling service provided by hospital were relatively poor, which were 78.75%, 92.40% and 94.11%, respectively. The regression showed that level of overall inpatient satisfaction in the central and western regions(compared with eastern area), with urban and rural residents basic medical insurance or other type(compared with urban employee basic medical insurance), of breast cancer patients(compared with other disease), with unsured postoperative metastasis(compared with non-postoperative metastasis), with low self-rated health score(compared with the score of between 81 and 100)was lower.Conclusions:The inpatients in tertiary cancer hospitals in China is highly satisfied with the care provided. In the future, more attention should be paid to the dimension of lower patient satisfaction, such as diet and psychological counseling.
6.Infection control measures and practice in gastrointestinal endoscopy departments during the novel coronavirus infection period
Xu ZHANG ; Qian ZHAO ; Xiaona KANG ; Xinlan LU ; Mudan REN ; Juan ZHANG ; Li REN ; Suhong ZHANG ; Zhiyong ZHANG ; Yan YIN ; Junwang XU ; Shuixiang HE ; Guifang LU
Journal of Xi'an Jiaotong University(Medical Sciences) 2021;42(1):128-131,151
【Objective】 To explore and evaluate infection control measures of preventing cross-contamination of novel coronavirus during gastrointestinal endoscopy treatment. 【Methods】 According to the hospital’s infection control requirements and related documents, infection control measures were formulated and implemented by combining with our actual clinical situation, including the management of the endoscope room, management and protection of patients and endoscopists. Then, we evaluated the effect of these measures. 【Results】 From January 25 to March 10, 2020, a total of 71 patients (53 males and 18 females) completed gastrointestinal endoscopy treatment, with an average age of 54 years (28-81 years). There were 36 (50.7%) cases of emergency treatment. All patients had been kept in quarantine for about 14 days (24±13), and no cross-contamination of novel coronavirus occurred. 【Conclusion】 During the novel coronavirus infection epidemic period, reasonable and effective measures should be taken to minimize the risk of infection in doctors and patients. The endoscope center should strengthen preoperative screening and management of patients, master indications of endoscopic procedures, complete endoscopists’ management and protection work, strictly follow the specifications of sterilizing gastrointestinal endoscopes, and construct the layout of "three zones and two passages".
7. Magnetic tracer technique in laparoscopic localization for gastrointestinal lesions
Mudan REN ; Feng MA ; Xuejun SUN ; Xiaopeng YAN ; Wei ZHAO ; Jianbao ZHENG ; Wenhui MA ; Xinlan LU ; Shuixiang HE ; Guifang LU
Chinese Journal of Digestive Endoscopy 2019;36(11):821-825
Objective:
To evaluate the feasibility and safety of magnetic tracer technique for preoperative endoscopic marking in laparoscopic surgery.
Methods:
In the preliminary study, a total of 8 patients with gastric (n=3) or colorectal (n=5) tumors underwent endoscopic magnetic marking before laparoscopic surgery from April to June in 2019. First, a magnet was attached to the lesion by 2 titanium clips under the endoscope. Second, during the subsequent laparoscopic operations, the other magnet was sent to the vicinity of the lesion through the laparoscopic tunnel. The magnet in the abdominal cavity was quickly attracted to the one in the gastrointestinal tract to successfully locate the lesions. Data of preoperative marking and operations of 8 patients were reviewed.
Results:
All 8 lesions were marked successfully, rapid and accurate intraoperative positioning was achieved. The mean time of endoscopic marking was 5.75±2.45 minutes, and the mean time of intraoperative localization was 1.94±0.56 minutes. All patients underwent laparoscopic tumor resections with accurate localization. The mean proximal and distal resection margins of colorectal tumors were 105 mm and 74 mm respectively. No complications occurred.
Conclusion
Magnetic tracer technique for laparoscopic localization, simple, safe and accurate for gastrointestinal lesions, can be performed without additional equipment or endoscopic procedures involved.
8.Effects of health management platform on self-management in patients with chronic kidney disease
Chunyan YAN ; Mudan WANG ; Qingling CHEN ; Yuting WANG ; Qin YANG
Chinese Journal of Modern Nursing 2019;25(6):677-681
Objective? To explore the effects of health management platform on self-management in patients with chronic kidney disease (CKD). Methods? Totally 72 CKD patients discharged from the First Hospital Affiliated to Army Medical University between January and March 2018 were selected using convenient sampling and divided into the observation group and the control group according to the random number table. Patients in the control group received conventional health management, while patients in the observation group received health management through the online health management platform for 6 months. The CKD Self-Management Scale was used to compare the difference in self-management ability between the two groups before and after the intervention. During the follow-up, 3 patients were excluded from the observation group and 6 from the control group. Totally 32 patients were included into the observation group and 31 into the control group. Results? The observation group's self-management ability totaled (96.22±7.39), while that of the control group totaled (86.10±8.74) 3 months after the intervention; The observation group's self-management ability totaled (102.16±6.80), while that of the control group totaled (92.03±6.45) 6 months after the intervention. Repeated measurement variance analysis showed that there was statistically significant difference in self-management ability between the two groups (FTime=226.374; FGroups=10.931; Fmutual=14.318; P<0.01). Conclusions? The health management platform can improve the self-management ability of CKD patients, which may be an effective pathway for CKD self-management.
9.Synthesis and biological evaluation of 18F-AlF-NOTA-c (CGRRAGGSC)
Jilai XIE ; Donghui PAN ; Min YANG ; Yuping XU ; Yu CHEN ; Mudan LU ; Ting ZHANG ; Yan XIE ; Lu LIU ; Jiajun WANG ; Daozhen CHEN
Chinese Journal of Nuclear Medicine and Molecular Imaging 2018;38(2):108-112
Objective To synthesize 18F-AlF-1,4,7-triazacyclononane-l,4,7-triacetic acid (NOTA)-c (CGRRAGGSC),which could specifically bind to the α chain of interleukin (IL)-11 receptor (IL-11 R),and evaluate its targeting potential to IL-11 R-positive tumors.Methods Polypeptide c (CGRRAGGSC) was first coupled with NOTA and then labeled with 18F by AlF labeling method.The radiochemical purity and radiochemical yield of 18F-AlF-NOTA-c(CGRRAGGSC) were analyzed by high performance liquid chromatography,and the stability in vitro was evaluated.The tracer biodistribution in tumor-bearing mice (cell line SKOV3) was evaluated by the dynamic imaging with microPET 30 min,1 h,2 h after injection of 18F-AlF-NOTA-c (CGRRAGGSC).The tracer kinetics was performed in normal mice.Pharmacokinetics parameters were calculated using DAS2.0 software.Results The radiochemical purity of 18F-AlF-NOTA-c(CGRRAGGSC) was higher than 95% and the radiochemical yield was (30.0±7.4)%.It could be stably maintained in phosphatebuffered solution and plasma for at least 2 h.MicroPET imaging showed that 18F-AlF-NOTA-c(CGRRAGGSC)had a good affinity to SKOV3 tumor.The tumor/muscle ratios at 30 min,1 h,2 h after the injection of 18F-AlF-NOTA-c(CGRRAGGSC) were 6.26±2.98,7.19±3.63 and 9.05±4.30,respectively.The tracer was cleared rapidly in blood and mainly excreted by the liver and kidneys.The T1/2α and T1/2β were (0.38±0.14) h and (2.64±0.28) h,respectively.Conclusions 18F-AlF-NOTA-c(CGRRAGGSC) is easy to be synthesized and has a good affinity to IL-11R-positive tumors.It will be a potential IL-11R-targeting imaging agent.
10.Differential expression of C/EBP beta in human normal liver cells and hepatocellular carcinoma cell lines and its correlation with cell death related to endoplasmic reticulum stress
Xinlan LU ; Guifang LU ; Xin WANG ; Jun ZHANG ; Dan ZHANG ; Yan ZHAO ; Honglin YAN ; Mudan REN ; Shuixiang HE
Journal of Xi'an Jiaotong University(Medical Sciences) 2017;38(4):487-491
Objective To detect the expression profile of transcription factor C/EBPβ in human immortalized normal hepatic cell lines and hepatocellular carcinoma cell lines so as to determine the correlation between C/EBP3 with cell death mediated by endoplasmic reticulum stress in hepatocellular cells.Methods We cultured the human immortalized normal hepatic cells lines HHL5 and HL7702 and hepatocellular carcinoma cell lines SMMC7721;Bel7402,HepG2 and Hep3B.Hep3B cells were used as the cell model in tunicamycin-induced endoplasmic reticulum stress.Cellular morphology was observed under an inverted optical microscope.MTT assay was used to assess the inhibition of cell growth.To detect cell apoptosis,the cells were dyed with Hoechst 33258 and observed using a fluorescence microscope.RToPCR and Western blotting were used to detect the expression of at mRNA and protein levels,respectively.Results We found that normally the mRNA and protein isoform of C/EBPβ,C/EBPβ-1,were both expressed in all of the four hepatocellular cell lines and the two immortalized normal hepatic cell lines,while C/EBPβ protein isoform C/EBPβ-3 was only expressed in the two immortalized normal hepatic cell lines.Tunicamycin increased the expressions of both mRNA and protein of C/EBPβ in Hep3B cells and the increase of protein isoform C/EBPβ-3 was the most remarkable.In Hep3B cells,cell death was induced by tunicamycin through endoplasmic reticulum stress activity.Apoptosis as well as paraptosis was observed in tunicamycin-induced cell death.Conclusion C/EBPβ-3,one of the protein isoforms of C/EBPβ,is only expressed in normal hepatic cell lines,but not in hepatocellular cell lines.C/EBPβ is involved in cell death mediated by endoplasmic reticulum stress activity in hepatocellular carcinoma cells.

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