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find Author "YANG Yu" 10 results
  • Research progress in clinical diagnosis and treatment strategies of combined hepatocellular-cholangiocarcinoma

    ObjectiveTo summarize the diagnosis and treatment progress of combined hepatocellular-cholangiocarcinoma (cHCC-CCA) in recent years, in order to provide a reference for clinical diagnosis and treatment decision-making. MethodThe recent literature related to the diagnosis and treatment of cHCC-CCA was reviewed. ResultsThere was no specific guideline or consensus on the diagnosis and management of cHCC-CCA. The diagnosis of the cHCC-CCA was challenging by imaging alone, and the tumor markers such as alpha fetoprotein and carbohydrate antigen 19-9 were of particular value in clinical diagnosis, but it was ultimately relied on the pathological examination results. For the patients with early cHCC-CCA, the radical surgery was recommended to undergo if possible, but there was some controversy regarding the efficacy of liver transplantation and the mode of recurrence and metastasis. For the patients with advanced cHCC-CCA, the systemic therapy was being explored further, and some retrospective analyses of small samples suggested that the gemcitabine and platinum-containing chemotherapy regimens might be beneficial. With the better success of immunotherapy and targeted therapies in hepatocellular carcinoma and cholangiocarcinoma, it might provide some experiences for treatment selection of cHCC-CCA. ConclusionscHCC-CCA has a lower incidence rate and stronger heterogeneity. Its diagnosis mainly relies on surgical pathology, and treatment strategy is lack of high-level evidence-based medical evidence and rigorously designed clinical studies are still needed to explore its efficacy and safety in the future.

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  • Thoracoscopy-assisted radiofrequency ablation and/or left atrial appendage exclusion for atrial fibrillation

    ObjectiveTo investigate the short-term efficacy and safety of thoracoscopy-assisted epicardial radiofrequency ablation for atrial fibrillation (AF) and/or left atrial appendage exclusion (LAAE).MethodsThe clinical data of 12 patients with solitary AF admitted to Beijing Tiantan Hospital from November 2018 to August 2020 were retrospectively analyzed, including 7 males and 5 females, with an average age of 65.2±5.3 years. Of them, 2 had paroxysmal AF, 1 had persistent AF and 9 had permanent AF.ResultsNo patient died during hospitalization, 5 patients underwent radiofrequency ablation for AF and LAAE, and 6 received LAAE alone. The operation time was 293±70 min in radiofrequency ablation for AF+LAAE patients and 71±14 min in LAAE patients. Two patients restored sinus rhythm, two restored after electric cardioversion, and one remained AF in AF+LAAE patients. Postoperatively, 1 patient had pleural effusion and 1 had subcutaneous emphysema. No stroke was observed.ConclusionThoracoscopy-assisted radiofrequency ablation for AF and/or LAAE reduce the risk of procedure, and provide alternative approach to treat AF-associated diseases. However, large sample size studies using prospective cohort designs are required to corroborate the present findings.

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  • Effects of Oridonin on the Progress of Apoptosis in Acute Lymphoblastic Leukemia Molt-4 Cells and Its Mechanism

    目的 探讨冬凌草甲素(Ori)对白血病Molt-4细胞致凋亡作用及其可能的机制。 方法 将不同浓度的Ori(2.5、5、10、20、40 μmol/L)作用于Molt-4细胞。采用甲基噻唑基四唑(MTT)法检测细胞增殖,流式细胞术检测细胞凋亡,电子显微镜观察细胞凋亡超微结构的变化,Western blot方法分析凋亡相关蛋白及Caspase-3表达的变化。 结果 Ori可抑制Molt-4细胞的生长及诱导凋亡,并有时间-剂量依赖性;Ori可时间依赖性的下调抗凋亡蛋白Bcl-2的表达,上调促凋亡蛋白Bax和Bim表达以及活化Caspase-3。 结论 Ori可诱导Molt-4细胞凋亡,其机制可能与调节Bcl-2家族蛋白及活化Caspase-3有关。

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  • Use of patient-sharing techniques to study healthcare provider networks: a scoping review

    ObjectiveTo provide a scoping review of the healthcare provider patient-sharing network. MethodsPubMed, EMbase, Scopus, ProQuest, Web of Science Core Collection, ScienceDirect, SAGE, Wiley Online Library, Google Scholar, CNKI and WanFang Data databases were electronically searched to collect studies on patient-sharing network of healthcare providers from inception to July 31, 2021. Two reviewers independently screened literature, extracted data and then Arksey and O 'Malley's scoping review method was used to analyze the study. ResultsA total of 110 studies were included. In which, 70.0% were published in 2016 and later, 78.2% were carried out in the United States, 96.4% used secondary data, and 45.5% adopted social network analysis methods such as exponential random graph model. In terms of network characteristics, 43.6% of the studies adopted the theoretical framework of social network theory, and the network node type was mainly 1-mode, accounting for 87.3%. When constructing the physician patient-sharing networks, 64.5% of the studies had a threshold of 1 patient. We also synthesized existing studies on patient-sharing networks of healthcare providers in the light of factors of networks and related outcomes. ConclusionThe studies of healthcare provider patient-sharing network have potentials to improve clinical practice and health policies. Further studies should consider adopting longitudinal design to validate evidence of study, expanding the scope of study subjects except physicians and enriching the evidence of the relationship between network and health-related outcomes.

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  • Correlation analysis and predictive value of stress hyperglycemia ratio for clinical prognosis of acute ischemic stroke

    Objective To investigate the correlation between stress hyperglycemia ratio (SHR) and acute ischemic stroke (AIS) 1-year prognosis, to provide more clinical basis to improve the prognosis of AIS patients and to target and control the influencing factors. MethodsThe patients with AIS diagnosed for the first time and received treatment at the Shijiazhuang Fifth Hospital between May 2019 and January 2022 were retrospectively and continuously included. According to the Modified Rankin Scale score 1-year after the onset of the disease, the patients were divided into a good prognosis group and a poor prognosis group. Also the patients were divided into 2 groups based on the median of SHR. The correlation between SHR and stress blood glucose was analyzed, and the factors affecting the prognosis of AIS patients were identified. The predictive value of SHR and stress blood glucose on the prognosis of AIS patients was compared using receiver operating characteristic. Results A total of 206 patients were included. Among them, there were 125 cases (60.7%) in the good prognosis group and 81 cases (39.3%) in the poor prognosis group. The median SHR (lower quartile, upper quartile) is 1.20 (1.08, 1.33). There were statistically significant differences between the two groups in the scores of the National Institutes of Health Stroke Scale, diabetes history, hypertension history, low-density lipoprotein cholesterol, stress blood glucose, age, SHR and SHR classification (P<0.05). There was no statistically significant difference in the other indicators compared between the two groups (P>0.05). Stress blood glucose was positively correlated with SHR (7.95±1.78 vs. 1.21±0.19; r=0.294, P<0.001). Multivariate logistic analysis showed that stress blood glucose and SHR were independent factors influencing the 1-year prognosis of AIS patients (P<0.05), and the interaction between SHR and diabetes was not significant (P>0.05) After adjusting for confounding factors, the area under the receiver operating characteristic curve of SHR for the prognosis of AIS patients was higher than that of stress blood glucose [0.682 (0.614, 0.745) vs .0.585 (0.515, 0.653); Z=2.042, P=0.041]. Conclusions SHR and stress blood glucose are independent risk factors for 1-year prognosis in AIS patients. However, SHR has a better predictive value for 1-year prognosis in AIS patients than stress blood glucose. Whether the patient has diabetes or not, the impact of SHR on the prognosis of AIS patients is consistent.

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  • Effect of retrosternal versus posterior mediastinum approach for tubular stomach reconstruction on early surgical complications and short-term quality of life in patients with McKeown esophagectomy: A case control study

    Objective To compare short-term quality of life and postoperative complications in esophageal squamous cell carcinoma patients with different routes reconstruction after McKeown esophagectomy. Methods The clinical data of 144 patients with esophageal squamous cell carcinoma who received McKeown esophagectomy in Shanghai Chest Hospital from January 2016 to October 2016 were retrospectively reviewed. Among them 93 patients accepted retrosternal approach (a RR group, 71 males and 22 females at an average age of 63.5±7.7 years) and 51 patients accepted posterior mediastinal approach (a PR group, 39 males and 12 females at an average age of 62.3±8.0 years). Short-term surgical outcomes were compared and a Quality of Life Questionnaire of Patients Underwent Esophagectomy 1.0 was performed at postoperative 1st and 3rd month. Results There was no difference in two groups in sex, age, Body Mass Index (BMI), and location and clinical stage of tumors (P>0.05). The neoadjuvant therapy was more performed in the RR group (16.1%vs. 5.9%, P=0.075). There were more robot-assisted esophagecctomy operations performed in the PR group (52.9% vs. 45.2%, P=0.020). No significant difference was noted in operation duration, intraoperative blood loss or length of ICU stay between the RR and PR groups (251.3±59.1 min vs. 253.1±27.7 min, P=0.862; 223.7±75.1 ml vs. 240.0±75.1 ml, P=0.276; 3.7±6.6 d vs. 2.3±2.1 d, P=0.139). The patients in the PR group had more lymph nodes dissected and shorter hospital stay (P<0.001). Rate of R1/2 resection was higher in the RR group (12.9%vs. 5.9%, P=0.187). No surgery-related mortality was observed in both groups. The anastomotic leak and the anastomotic stricture was higher in the RR group than that in the PR group (25.8% vs. 5.9%, P=0.003). No significant difference was found between the two groups in the quality of life at postoperative 1st and 3rd month. However, the quality of life at postoperative 3rd month significantly improved in both groups (P<0.001). Compared with the PR group, the dysphagia was more severe in the RR group at postoperative 1st month (3.3±1.5 vs. 2.6±1.1, P=0.007), while the reflux symptom was lighter at postoperative 3rd month (3.0±1.8 vs. 3.6±1.6, P=0.045). Conclusion The two different routes reconstruction after McKeown esophagectomy are both safe and feasible. The anterior mediastinal approach increases the risk of anastomotic leak, but with low incidence of reflux symptom.

    Release date:2018-01-31 02:46 Export PDF Favorites Scan
  • Feasibility of neoadjuvant therapy followed by minimally invasive esophagectomy for locally advanced esophageal cancer: A case control study

    Objective To evaluate the safety and efficacy of neoadjuvant therapy followed by minimally invasive esophagectomy (MIE) for locally advanced esophageal cancer. Methods We retrospectively analyzed clinical data of 56 consecutive patients with locally advanced esophageal cancer treated by neoadjuvant therapy followed by surgery in our hospital between January 2015 and December 2016. There were 51 males and 5 females. The patients were divided into 2 groups. Neoadjuvant therapy followed by open surgery esophagectomy group was as an OE group with 25 patients aged 61 (50-73) years. And neoadjuvant therapy followed by MIE was as a MIE group with 31 patients aged 60 (55-79) years. Results The pathologic complete response (pCR) rate of 28 patients with neoadjuvant concurrent chemoradiotherapy was significantly higher than that of 28 patients with neoadjuvant chemotherapy (21.4% vs. 10.7%, P<0.05). The operation time, intraoperative blood loss, R2 rate and the number of lymph nodes dissection in the MIE group were obviously better than those of the OE group with statistical differences (P<0.05). However, there was no significant difference in the number of resected lymph nodes along the bilateral recurrent laryngeal nerves and lymph node metastasis rate (P>0.05) between the two groups. The incidence of postoperative respiratory complications in the MIE group was lower than that of the OE group (P=0.041). There was no significant difference between the two groups in the incidence of other complications, re-operation, re-entry to ICU, median length of stay or perioperative deaths (P>0.05). There was only one patient with neoadjuvant concurrent chemoradiotherapy in the OE group died due to gastric fluid asphyxia caused by trachea-esophageal fistula. Conclusion Neoadjuvant therapy followed by MIE for locally advanced esophageal cancer is safe and feasible. The oncological outcomes seem comparable regardless of OE.

    Release date:2018-03-05 03:32 Export PDF Favorites Scan
  • Experimental study on the effect of desferrioxamine on targeted homing and angiogenesis of bone marrow mesenchymal stem cells

    ObjectiveTo investigate whether desferrioxamine (DFO) can enhance the homing of bone marrow mesenchymal stem cells (BMSCs) and improve neovascularization in random flaps of rats.MethodsBMSCs and fibroblasts (FB) of luciferase transgenic Lewis rats were isolated and cultured. Forty 4-week-old Lewis male rats were used to form a 10 cm×3 cm rectangular flap on their back. The experimental animals were randomly divided into 4 groups with 10 rats in each group: in group A, 200 μL PBS were injected through retrobulbar venous plexus; in group B, 200 μL FB with a concentration of 1×106 cells/mL were injected; in group C, 200 μL BMSCs with a concentration of 1×106 cells/mL were injected; in group D, cells transplantation was the same as that in group C, after cells transplantation, DFO [100 mg/(kg·d)] were injected intraperitoneally for 7 days. On the 7th day after operation, the survival rate of flaps in each group was observed and calculated; the blood perfusion was observed by laser speckle imaging. Bioluminescence imaging was used to detect the distribution of transplanted cells in rats at 30 minutes and 1, 4, 7, and 14 days after operation. Immunofluorescence staining was performed at 7 days after operation to observe CD31 staining and count capillary density under 200-fold visual field and to detect the expressions of stromal cell derived factor 1 (SDF-1), epidermal growth factor (EGF), fibroblast growth factor (FGF), and Ki67. Transplanted BMSCs were labeled with luciferase antibody and observed by immunofluorescence staining whether they participated in the repair of injured tissues.ResultsThe necrosis boundary of ischemic flaps in each group was clear at 7 days after operation. The survival rate of flaps in groups C and D was significantly higher than that in groups A and B, and in group D than in group C (P<0.05). Laser speckle imaging showed that the blood perfusion units of flaps in groups C and D was significantly higher than that in groups A and B, and in group D than in group C (P<0.05). Bioluminescence imaging showed that BMSCs gradually migrated to the ischemia and hypoxia area and eventually distributed to the ischemic tissues. The photon signal of group D was significantly stronger than that of other groups at 14 days after operation (P<0.05). CD31 immunofluorescence staining showed that capillary density in groups C and D was significantly higher than that in groups A and B, and in group D than in group C (P<0.05). The expressions of SDF-1, EGF, FGF, and Ki67 in groups C and D were significantly stronger than those in groups A and B, and in group D than in group C. Luciferase-labeled BMSCs were expressed in the elastic layer of arteries, capillaries, and hair follicles at 7 days after transplantation.ConclusionDFO can enhance the migration and homing of BMSCs to the hypoxic area of random flap, accelerate the differentiation of BMSCs in ischemic tissue, and improve the neovascularization of ischemic tissue.

    Release date:2019-01-03 04:07 Export PDF Favorites Scan
  • Whole process management of hepatocellular carcinoma patients with high-risk of recurrence and metastasis based on multidisciplinary team mode

    ObjectiveTo summarize the experience of the whole process management of hepatocellular carcinoma (HCC) patients with high-risk of recurrence and metastasis based on the multidisciplinary team (MDT) mode, and to improve the clinicians’ understanding of the concept of whole process management, so as to improve the survival rate of patients with HCC. MethodThe clinicopathologic data of a HCC patient with high-risk of recurrence and metastasis admitted to the Division of Liver Surgery, Department of General Surgery, West China Hospital of Sichuan University were retrospectively analyzed. ResultsA 52-year-old male patient was diagnosed with HCC with intrahepatic metastasis (China liver cancer staging Ⅱ b, Barcelona Clinic Liver Cancer stage B) after admission due to “epigastric discomfort for 1+-month and liver occupying for 1+-week”. Through discussion by the MDT mode, the allogeneic liver transplantation was performed after successful downstaging following two conversion therapies. No serious complications occurred after operation, and the patient was discharged on the 23rd day after operation. Up to now, pulmonary bacterial and fungal infections and pulmonary metastases had been found during the postoperative follow-up. After anti-infective therapy and targeted therapy combined with radiotherapy, the patient was significantly relieved, had survived for 34 months after operation, and was still under regular follow-up. ConclusionsFor HCC patients with high-risk of recurrence and metastasis, MDT mode has a good clinical benefit for the whole process management of patient. Through the MDT model, the diagnosis, treatment, and follow-up of HCC are organically integrated, and the patient’ s diagnosis and treatment plans are dynamically adjusted to realize the whole process management of HCC patient, and to raise the survival rate and improve quality of life of HCC patient.

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  • HISTOMORPHOLOGY OBSERVATION OF CANINE WHOLE FACIAL NERVE TREATED WITH CHEMICALLY EXTRACTED ACELLULAR METHODS

    Objective Using chemically extracted acellular methods to treat extracranial section of the canine whole facial nerve, to evaluated its effects on nerve structure and the removal extent of Schwann cells and myel in. Methods Twenty whole facial nerves were exposed from 10 canines [weighing (18 ± 3) kg]. The extracranial trunk of canine facial nerve and its branches (temporal branch, zygomatic branch, buccal branch, marginal mandibular branch, and cervical branch) were dissected under l ight microscope. Twenty facial nerves were divided into the experimental group (n=12) and control group (n=8) randomly. In experimental group, the nerve was extracted with the 3%TritonX-100 and 4% sodium deoxycholate. In control group, the nerve was not extracted. HE staining and immunofluorescence histological stainings for Hoechst33258, P75, Zero, and Laminin were performed. Results After histological staining, it was found that myel in and Schwann cells were removed from the facial nerve while the basal lamina tube remained intact. The whole canine facial nerves (one nerve trunk and multiple nerve branches) had the similar result. Conclusion The canine whole facial nerve has natural structure (one nerve trunk and multiple nerve branches) by extracted with chemically extracted acellular methods, so it is an available graft for repairing the defect of the whole facial nerve.

    Release date:2016-08-31 05:48 Export PDF Favorites Scan
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