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Objective:To explore the clinical characteristics and prognosis of metastatic sites symptom as the first manifestation in esophageal carcinoma patients with stage T 1 and T 2, and to provide a reference for clinical practice. Methods:The clinical data of 50 esophageal carcinoma patients with stage T 1 and T 2 who had lymph node or distant metastasis as the first symptom in Anyang Tumor Hospital of Henan Province from November 2007 to December 2019 were retrospectively analyzed. Survival analysis was performed by using Kaplan-Meier method. Univariate analysis was performed by using log-rank test. Results:Among 50 patients with esophageal carcinoma, lymph node metastases as the first symptom were found in 42 cases and distant organ metastases as the first symptom were found in 8 cases. The 1-, 3-, 5-year overall survival rates of patients with stage Ⅰ-Ⅱ and stage Ⅲ-Ⅳ were 58.7%, 49.0%, 16.3% and 56.1%, 12.2%, 0, respectively, and there was no statistically significant difference in OS of both groups ( P = 0.094). The 1-, 3-, 5-year overall survival rates of patients with stage N 1 and stage N 2-N 3 were 63.5%, 34.7%, 17.3% and 52.2%, 11.9%, 0, respectively, and there was no statistically significant difference in OS of both groups ( P = 0.083). The 1-, 3-, 5-year overall survival rates were 64.6%, 30.5%, 18.3%, respectively in radiotherapy group and 38.2%, 0, 0, respectively in non-radiotherapy group, and there was a statistically significant difference in OS of both groups ( P = 0.008); the progression-free survival in radiotherapy group was better than that in non-radiotherapy group ( P = 0.028). The 1-, 3-, 5-year overall survival rates were 70.8%, 35.5%, 21.3% and 33.3%, 0, 0 and 35.4%, 0, 0, respectively in concurrent chemoradiotherapy group, radiotherapy group and chemotherapy group, and there was a statistically significant difference in overall survival among three groups ( P = 0.004). The results of univariate analysis showed that radiotherapy ( χ2 = 7.112, P = 0.008) and concurrent chemoradiotherapy ( χ2 = 10.940, P = 0.004) were the main factors affecting the prognosis. Conclusions:Lymph node and distant metastasis could occur in esophageal carcinoma patients with stage T 1 and T 2. Radiotherapy can prolong the progression-free survival time and concurrent chemoradiotherapy could benefit overall survival of these patients.
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Objective:To investigate the clinical significance of coagulation function related indicators in the prognosis of non-small cell lung cancer.Methods:The clinical data of 248 patients with non-small cell lung cancer from June 2014 to December 2017 in the Department of Oncology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, were retrospectively analyzed. The receiver operating characteristic (ROC) curve was used to determine the best cutoff values of prognostic indicators,the Cox regression model was used for multivariate analysis, and the Kaplan-Meier method was used for survival analysis.Results:ROC curve analysis showed that the best cutoff values for D-dimer (D-D), fibrinogen (FIB) and prothrombin time (PT)were 0.18 mg/L, 4.25 g/L and 12.0 s, respectively. Cox multivariate regression analysis showed that increased expression of D-D ( HR=1.197, 95% CI 1.100-1.303), PT ( HR=1.111, 95% CI 1.049-1.176) and FIB ( HR=1.510, 95% CI 1.276-1.788) were risk factors for the prognosis of non-small cell lung cancer ( P<0.001). Kaplan-Meier survival analysis results showed that the overall survival in the high expression group of D-D, FIB and PT was shorter than in of the low expression group ( P<0.001). Conclusion:D-D, PT and FIB are independent factors affecting the prognosis of non-small cell lung cancer.
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Objective:To investigate the variation characteristics and influencing factors of HIV/AIDS subtypes in Wuxi city of Jiangsu Province from 2014 to 2016.Methods:HIV/AIDS population in Wuxi city in 2014 was selected as the research object, and the HIV molecular epidemiology and follow-up study were carried out. Collect epidemiological information, extract DNA from blood samples, amplify pol gene fragment by nest-PCR and sequence, use ChromasPro 1.6 software and MEGA 7.0 software to construct the HIV-1 sequence database, and use FastTree2.1.10 software to construct the phylogenetic tree to confirm the subtype; in 2016, the same population was followed up, and the HIV subtype variation was analyzed, and the influencing factors of subtype variation were explored by multivariate logistic regression. Results:A total of 612 HIV/AIDS cases in 2014 and 2016 were collected. The age of the subjects was mainly 30 years old or above (85.46%, 523/612), and the proportion of people over 50 years old was higher (228/612, 37.25%). The main route of transmission was homosexuality, accounting for 49.67%. A total of 1224 samples were detected and CRF01 _ AE、CRF07_ BC、B、CRF08_ BC、CRF67_ 01B、CRF55_ 01B、CRF68_ 01B, 7 subtypes of HIV-1 and 5 unique recombinant types (URFs) was detected. CRF01_ AE and CRF07_ BC was still the main genotype in Wuxi, Jiangsu Province, accounting for 66.75%. There were 29 cases (3.56%) of URFs recombinant strains. During 2014-2016, the variation rate of subtypes was 14.63%, and the most common variation was CRF01_ AE changes to CRF07_ BC(13.95%). Marital status (OR=0.363, 95% CI: 0.137-0.964) and baseline CD4 level (OR=0.414, 95% CI: 0.192-0.891) were associated with subtype variation.Conclusions:The HIV-1 subtypes of HIV/AIDS patients in Wuxi city are diverse and complex, the proportion of recombinant subtypes is rising, the URFs that are difficult to determine the genotype increase significantly, and the variation rate of HIV-1 subtypes among HIV/AIDS infected people is high. It is necessary to strengthen the monitoring of HIV-1 subtypes.
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Objective:To evaluate the effect of miR-133b on the apoptosis and radiosensitivity of colon cancer cell line (SW620 cells), and to explore its mechanism.Methods:SW620 cells were transfected with miR-con (miR-con group), miR-133b mimics (miR-133b group), si-con (si-con group) and si-HER-2(si-HER-2 group) by the liposome method, and then irradiated with 0, 2, 4, 6, 8 Gy. The miR-133b protein expression, HER-2 protein expression, apoptosis, cell survival fraction and cytofluoroactivity in each group were evaluated by qRT-PCR, Western blot, flow cytometry, colony formation assay and dual luciferase reporter gene assay, respectively.Results:Compared with the pre-irradiation group, the expression level of miR-133b was significantly down-regulated ( P<0.05), whereas that of HER-2 was significantly up-regulated in SW620 cells after irradiation ( P<0.05). Overexpression of miR-133b and knockdown of HER-2 remarkably reduced the survival fraction (both P<0.05), and significantly promoted the apoptosis of SW620 cells ( P<0.05). miR-133b could considerably inhibit the fluorescent activity of wild-type HER-2 cells ( P<0.05) and negatively regulate the expression of HER-2 protein. Conclusion:miR-133b can inhibit the survival of colon cancer cells, promote the apoptosis and enhance the sensitivity of radiotherapy probably via the mechanism of targeting HER-2.
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Our previous investigation suggested that faster seventh cervical nerve (C7) regeneration occurs in patients with cerebral injury undergoing contralateral C7 transfer. This finding needed further verification, and the mechanism remained largely unknown. Here, Tinel's test revealed faster C7 regeneration in patients with cerebral injury, which was further confirmed in mice by electrophysiological recordings and histological analysis. Furthermore, we identified an altered systemic inflammatory response that led to the transformation of macrophage polarization as a mechanism underlying the increased nerve regeneration in patients with cerebral injury. In mice, we showed that, as a contributing factor, serum amyloid protein A1 (SAA1) promoted C7 regeneration and interfered with macrophage polarization in vivo. Our results indicate that altered inflammation promotes the regenerative capacity of the C7 nerve by altering macrophage behavior. SAA1 may be a therapeutic target to improve the recovery of injured peripheral nerves.
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Animals , Brachial Plexus , Brachial Plexus Neuropathies/surgery , Humans , Mice , Nerve Transfer , Peripheral Nerves , Spinal NervesABSTRACT
Radiation enteritis is a common complication of malignant tumors after radiotherapy, which seriously affects the quality of life of patients. At present, there are increasing researches on the disease, but the pathogenesis is not clear, and the treatment methods are also different. Therefore, starting from the pathological changes of radiation enteritis, this article reviews the mechanism of the acute and chronic radiation enteritis, hoping to provide clinical reference.
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We report a case of primary hyperparathyroidism(PHPT) with depressive symptoms as initial manifestation. Literature review was conduct to further analyze the etiology, clinical manifestations, diagnosis, treatment and prognosis of the disease. The initial symptoms of the patients was the mental system depression and kidney stones was found by physical examination. She first visited a doctor in the urology department after a kidney stones was found. Blood calcium 2.86 mmol/L was found. At second visit, a doctor from endocrinology department conducted a comprehensive examination on the patient′s coexisting mental and renal system symptoms, clearly identified, her as PHPT. The clinical manifestations of PHPT are diverse. Symptoms such as depression, anxiety, mood swings, etc. are rarely evaluated. PHPT patients with onset or accompanied by psychiatric symptoms should be paid attention to by doctors, Measures should be taken to improve the quality of life and prognosis of patients through early screening of blood calcium and parathyroid hormone for timely diagnosis.
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Objective:To investigate the application value of combined detection of hypoxia-inducible factor-1α (HIF-1α), N-terminal proBNP (NT-proBNP) and thromboxane B 2 (TXB 2) in the prediction of major adverse cardiovascular events (MACE) after percutaneous coronary intervention (PCI) in patients with acute ST-elevation myocardial infarction. Methods:The clinical data of 136 patients with acute ST-elevation myocardial infarction who received treatment in Jinhua Municipal Central Hospital, China between February 2018 and September 2019 were retrospectively analyzed. These patients were assigned to MACE group ( n = 33) and no MACE group ( n = 103) according to whether MACE occurred. The basic data was compared between the two groups. Serum levels of HIF-1α, NT-proBNP and TXB 2 prior to PCI were analyzed. The receiver operating characteristic (ROC) curve was plotted to investigate the application value of combined detection of serum HIF-1α, NT-proBNP and TXB 2 levels in the prediction of acute ST-elevation myocardial infarction after PCI. Results:At 6 months after PCI, MACE occurred in 33 out of 136 patients with acute ST-elevation myocardial infarction, with the incidence of 24.26%. There were no significant differences in age, sex and accompanied diseases between MACE and no MACE groups (all P > 0.05). Serum HIF-1α level in the MACE group was significantly lower than that in the no MACE group [(31.54 ± 5.26) ng/L vs. (37.18 ± 6.94) ng/L, t = 4.286, P < 0.05]. Serum levels of NT-proBNP and TXB 2 in the MACE group were (1 246.83 ± 243.71) μg/L and (125.13 ± 20.16) ng/L, respectively, which were significantly higher than those in the no MACE group [(876.92 ± 173.04) μg/L, (95.73 ± 18.24) ng/L, t = 9.617, 7.835, both P < 0.05]. ROC curve analysis showed that the optimal cutoff values of serum HIF-1α, NT-proBNP and TXB 2 levels in the prediction of MACE occurrence in patients with acute ST-elevation myocardial infarction after PCI were 32.67 ng/L, 1 018.27 μg/L and 112.19 ng/L, respectively. The sensitivity and specificity of combined detection of serum HIF-1α, NT-proBNP and TXB 2 levels in the prediction of MACE occurrence in patients with acute ST-elevation myocardial infarction after PCI were 69.70% (23/33) and 98.06% (101/103), respectively. The specificity of the combined detection of serum HIF-1α, NT-proBNP and TXB 2 levels was higher than that of detection of serum HIF-1α, NT-proBNP or TXB 2 level alone. The area under the curve (AUC) plotted regarding the prediction of MACE occurrence in patients with acute ST-elevation myocardial infarction after PCI by combined detection of serum HIF-1α, NT-proBNP and TXB 2 levels was 0.901, which was significantly higher than the AUC obtained for detection of serum HIF-1α, NT-proBNP or TXB2 level alone ( Z = 2.007, 1.991 and 2.217, all P < 0.05). Conclusion:Combined detection of serum HIF-1α, NT-proBNP and TXB 2 levels exhibits a higher value in the prediction of MACE occurrence in patients with acute ST-elevation myocardial infarction after PCI than detection of serum HIF-1α, NT-proBNP or TXB 2 level alone.
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Objective:To compare the prognosis of fluoroucil combined with cisplatin and paclitaxel combined with cisplatin regimens with concurrent radiotherapy in treatment of esophageal squamous cell carcinoma.Methods:A total of 120 patients with esophageal squamous cell carcinoma who were admitted to Anyang Tumor Hospital of Henan Province from December 2012 to November 2018 were randomly divided into group A and group B by using a random number generator. Group A was given cisplatin combined with 5-fluorouracil, and group B was given cisplatin combined with paclitaxel. Both groups had the same radiotherapy regimen, and both used intensity-modulated radiation therapy (IMRT). Completions of 50 Gy radiotherapy and at least one cycle of chemotherapy were considered to be in line with the plan. Survival data was analyzed in the term of intention-to-treat (ITT) and per-protocol (PP) set.Results:Of the 120 patients, 114 patients were treated and the adverse reactions could be evaluated, including 55 cases in group A and 59 cases in group B. The incidence of grade Ⅲ-Ⅳ leukopenia in group B was higher than that in group A [49.2% (29/59) vs. 25.5% (14/55)], and the difference was statistically significant ( χ2 = 6.805, P = 0.012), and there were no statistical differences in the other adverse reactions between the two groups (All P > 0.05). A total of 113 cases can be analyzed for survival. According to ITT analysis, the median progression-free survival (PFS) time in group A and group B was 28.0 months (95% CI 15.5-34.5 months) and 27.0 months (95% CI 17.0-41.0 months), the median overall survival (OS) time was 28.0 months (95% CI 15.8-34.2 months) and not reached, the differences were not statistically significant (both P > 0.05). According to PP analysis, the median PFS time in group A and group B was 28.0 months (95% CI 15.8-34.2 months) and 29.0 months (95% CI 14.9-45.1 months), the median OS time in group A and group B was 28.0 months (95% CI 3.7-52.3 months) and not reached, the differences were not statistically significant (both P > 0.05). Conclusions:The fluorouracil combined with cisplatin regimen and paclitaxel combined with cisplatin regimen with concurrent radiotherapy have similar PFS and OS time in treatment of esophageal squamous cell carcinoma, the adverse reactions are different, but they are all tolerable. In individualized clinical practice, the toxicities and costs of the two regimens can be comprehensively considered.
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Public health emergency is a huge challenge for all countries or regions. It is impossible for any country or region to make adequate preparations in advance. How to effectively prevent and control the spread of the epidemic is an unprecedented challenge for China and even the whole international community. This paper holds that the current prevention and control measures and efforts of the Chinese government are effective and important for preventing and controlling the disease rapidly, but the ethical concerns cannot be ignored. In fact, good ethical practices can help to achieve long-term prevention and control goals. Based on the current situation of the epidemic, we propose six ethical points to further stimulate dialogue on how to implement disease prevention and control measures to better protect public safety, protect personal privacy, prevent stigma and discrimination, and guide society to follow the right ethical value orientation.
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Objective:To evaluate the effect of definitive radiotherapy with different doses on overall survival (OS) and identify the prognostic factors of patients with non-metastatic esophageal squamous cell carcinoma (ESCC).Methods:Clinical data of 2 344 ESCC patients treated with definitive radiotherapy (RT) alone or chemoradiotherapy from 2002 to 2016 in 10 hospitals were collected and analyzed retrospectively. After the propensity score matching (PSM)(1 to 2 ratio), all patients were divided into the low-dose group (equivalent dose in 2 Gy fractions, EQD 2Gy<60 Gy; n=303) and high-dose group (EQD 2Gy≥60 Gy; n=606) based on the dose of radiation. Survival analysis was conducted by Kaplan- Meier method. Multivariate prognostic analysis was performed by Cox′s regression model. Results:The median follow-up time was 59.6 months. After the PSM, the 1-, 3- and 5-year overall survival (OS) rate was 66.5%, 34.7%, 27.2% in the low-dose group, 72.9%, 41.7% and 34.7% in the high-dose group, respectively ( P=0.018). The 1-, 3-and 5-year progression-free survival rate was 52.2%, 27.2%, 23.1% in the low-dose group, 58.3%, 38.1% and 33.9% in the high-dose group, respectively ( P=0.001). The outcomes of univariate analysis indicated that cervical/upper esophagus location, early (stage Ⅱ) AJCC clinical stage, node negative status, tumor length ≤5 cm, receiving intensity-modulated radiation therapy (IMRT), receiving concurrent chemotherapy and EQD 2Gy≥60 Gy were closely associated with better OS (all P<0.05). Multivariable analysis demonstrated that tumor location, regional lymph node metastasis, concurrent chemotherapy and EQD 2Gy were the independent prognostic factors for OS (all P<0.05). Conclusion:Three-dimensional conformal or IMRT with EQD 2Gy≥60 Gy yields favorable survival outcomes for patients with locally advanced ESCC.
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Objective:To investigate the expression levels of CD4+ CD25+ FOXP3+ Treg cells and interleukin(IL)-10 in serum of patients with myelodysplastic syndrome (MDS) - refractory anemia (RA) and refractory hematopenia with multilineage dysplasia (RCMD), and to evaluate the effect of cyclosporine on CD4+ CD25+ FOXP3+ Treg cells in MDS patients.Methods:From January 2016 to January 2018, 25 MDS-RA and RCMD patients and 13 healthy controls were selected from people′s Hospital of Xinjiang Uygur Autonomous Region for retrospective analysis.The expression of CD4 + CD25 + Foxp3 + Treg and IL-10 in peripheral blood samples were detected by flow cytometry and enzyme-linked immunosorbent assay.The expression of CD4 + CD25 + Foxp3 + Treg and IL-10 in MDS-RA and RCMD patients before and 6 months after the treatment with CSA based immunosuppressive regimen was detected.Results:Of the 25 patients, 13 (52%) were effective and 12 (48%) were ineffective.The proportion of CD4 + CD25 + Foxp3 + Treg in CD4 + T cells of MDS group was significantly higher than that of healthy control group [(0.37 ± 0.10)% and (0.12 ± 0.06)% respectively, t= 2.02, P< 0.001]. The level of IL 10 in MDS group was significantly higher than that in healthy control group ((7.16±1.27) μg /L and (2.75 ± 1.06) μg /L, t= 2.03, P< 0.001). The ratio of CD4 + CD25 + Foxp3 + Treg cells in MDS group was lower than that in MDS Group ((0.15±0.06)% and (0.26±0.08%), t= 1.71, P< 0.001), and the level of IL 10 in MDS group was lower than that in MDS Group ((3.22±1.01) μg /L and (4.25±1.22) μg /L, t= 2.06, P= 0.030). The proportion of CD4 + CD25 + Foxp3 + Treg in peripheral blood of 25 MDS patients was positively correlated with the level of IL-10 expression ( r= 0.35, P= 0.02). Conclusion:The expression of CD4+ CD25+ FOXP3+ Treg cells and IL-10 increased in MDS patients increased, but decreased after cyclosporine treatment.
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In recent years, it has been gradually recognized that muscle weakness is a prominent and common problem in intensive care unit (ICU). It is estimated that more than 1 million patients worldwide develop ICU-acquired weakness (ICU-AW) each year. Its etiology is complex and the prognosis is poor. Respiratory muscle paralysis may even occur in severe cases, resulting in prolonged mechanical ventilation and hospitalization, increasing the hospital mortality of ICU patients, and leading to chronic disability. The pathogenesis of ICU-AW is not yet fully understood. Early recognition and diagnosis are difficult, and standard treatment strategies are lacking. This review focuses on the pathogenesis of muscle atrophy and muscle dysfunction, analyzes the advantages and disadvantages of current diagnostic methods for ICU-AW, and discusses the important significance of rehabilitation for the recovery of neuromuscular function in patients with ICU-AW on this basis, in order to improve clinicians' diagnosis and treatment of patients with ICU-AW, reduce mortality and improve prognosis.
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Objective:To explore the possibility of laparoscopic simple oblique duodenoduodenostomy in the management of congenital duodenal obstruction in neonates.Methods:The clinical data of neonates with congenital duodenal obstruction undergoing laparoscopic simple oblique duodenoduodenostomy at Huaian Women and Children′s Hospital from February 2015 to February 2018 were retrospectively reviewed.By a lower-pressure pneumoperitoneum of 5-8mmHg and a suspending suture for right liver elevator, the procedure was performed using 4 ports: a transumbilical 5-mm port for the camera and another three 3-mm ports for instruments.After kocherizing of the proximal and distant part of the duodenum, the lower duodenum was incised longitudinally 0.5-1cm distal to the blocked end, the upper duodenum incision was placed 0.5cm away from the blocked end extended downward obliquely.The duodenoduodenostomy was performed as a " simple" " oblique" anastomosis with 5-0 PDS suture.Results:Fifteen patients were identified with a median age at operation of 2 days.Of all the cases, 4 cases were duodenal atresia (type Ⅲ), 11 cases were annular pancreas, and 7 cases of them were annular pancreas complicated with congenital intestinal malrotation.All cases were treated with laparoscopic simple oblique duodenoduodenostomy.Ladd procedure was accomplished in 7 cases with congenital intestinal malrotation in the meantime.The average operative time was (115.0±25.5) min (70-145 min). Feedings were started on postoperative 4-10d (mean 6.0d), without abdominal distention and vomit, all patients were discharged in good health with a median postoperative hospital stay of 7-14d(mean 10.6d). There was no mortality rate, no conversion to laparotomy, and no intraopertive complications in the group.The cases were followed-up for 2-36 months (mean 15.6 months), and all cases were doing well.Conclusion:Laparoscopic simple oblique duodenoduodenostomy is safe and efficacious in neonatal period, and can be a viable option in the treatment of neonates with congenital duodenal obstruction.
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Zhejiang University began to recruit eight-year clinical students since 2005. Since then, Zhejiang University learned from the experience of foreign medical education, reformed and innovated and formed a distinctive curriculum system and training pattern for eight-year medical training, that named as "Doctoring". "Doctoring" is a course that focuses on the education of students' comprehensive quality and ability. Its main contents are the basic knowledge about human health, disease and medical development. With the use of advanced and scientific teaching concept and teaching mode, students were able to study the doctor-patient communication and interpersonal skills, and use medical knowledge and practice skills required for clinical work. And the students also had the opportunity to demonstrate the ability to solve problems in the foundation of life-long learning. "Doctoring" is more than a simple course for teaching medical professional knowledge.
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Objective:To test the reliability and validity of the Chinese version of the Handoff Clinical Examination Exercise (Handoff CEX).Methods:The Chinese version of the Handoff CEX was composed of two parts, one to assess the nurse providing the handoff and another to assess the nurse receiving the handoff. A total of 80 handoffs was evaluated to test the reliability and validity of the Chinese version of the Handoff CEX.Results:A total of 320 evaluations of handoff was obtained. The Cronbach α coefficient was 0.85 for the handoff provider, and that was 0.80 for the handoff recipient. Weighted kappa scores for provider evaluations ranged from 0.31-0.52, and that for recipient evaluations ranged from 0.35-0.55. The correlation coefficients between each factor ranged from 0.23 to 0.62, and that between each factor and the total scale ranged from 0.33 to 0.64 ( P<0.05). Experienced nurses (>5 years) received significantly higher mean scores than inexperienced nurses(≤5 years) in all domains except organizational efficiency and professionalism( P<0.05). Conclusion:The Chinese version of the Handoff CEX is a reliable and valid tool to assess the nursing handoff, which is useful for educators, supervisors and clinical nurses to provide training, ongoing assessment and feedback to improve the quality of handoff.
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Objective@#To test the reliability and validity of the Chinese version of the Handoff Clinical Examination Exercise (Handoff CEX).@*Methods@#The Chinese version of the Handoff CEX was composed of two parts, one to assess the nurse providing the handoff and another to assess the nurse receiving the handoff. A total of 80 handoffs was evaluated to test the reliability and validity of the Chinese version of the Handoff CEX.@*Results@#A total of 320 evaluations of handoff was obtained. The Cronbach α coefficient was 0.85 for the handoff provider, and that was 0.80 for the handoff recipient. Weighted kappa scores for provider evaluations ranged from 0.31-0.52, and that for recipient evaluations ranged from 0.35-0.55. The correlation coefficients between each factor ranged from 0.23 to 0.62, and that between each factor and the total scale ranged from 0.33 to 0.64 (P<0.05). Experienced nurses (>5 years) received significantly higher mean scores than inexperienced nurses(≤5 years) in all domains except organizational efficiency and professionalism(P<0.05).@*Conclusion@#The Chinese version of the Handoff CEX is a reliable and valid tool to assess the nursing handoff, which is useful for educators, supervisors and clinical nurses to provide training, ongoing assessment and feedback to improve the quality of handoff.
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Objective@#To evaluate the prognostic factors of T1-2N0M0 esophageal squamous cell carcinoma (ESCC) treated with definitive radiotherapy.@*Methods@#The clinical data of 196 patients with T1-2N0M0 ESCC who were treated with definitive radiotherapy in 10 hospitals were retrospectively analyzed. All sites were members of Jing-Jin-Ji Esophageal and Esophagogastric Cancer Radiotherapy Oncology Group (3JECROG). Radiochemotherapy were applied to 78 patients, while the other 118 patients received radiotherapy only. 96 patients were treated with three-dimensional conformal radiotherapy (3DCRT) and 100 treated with intensity-modulated radiotherapy (IMRT). The median dose of plan target volume(PTV) and gross target volume(GTV) were both 60 Gy. The median follow-up time was 59.2 months. Log rank test and Cox regression analysis were used for univariat and multivariate analysis, respectively.@*Results@#The percentage of normal lung receiving at least 20 Gy (V20) was (18.65±7.20)%, with average dose of (10.81±42.05) Gy. The percentage of normal heart receiving at least 30 Gy (V30) was (14.21±12.28)%. The maximum dose of exposure in spinal cord was (39.65±8.13) Gy. The incidence of radiation pneumonia and radiation esophagitis were 14.80%(29/196) and 65.82%(129/196), respectively. The adverse events were mostly grade 1-2, without grade 4 toxicity. Median overall survival (OS) and progression-free survival (PFS) were 70.1 months and 62.3 months, respectively. The 1-, 3- and 5-year OS rates of all patients were 75.1%、57.4% and 53.2%, respectively. The 1-, 3- and 5-year PFS rates were 75.1%、57.4% and 53.2%, respectively. Multivariate analysis demonstrated that patients′age (HR=1.023, P=0.038) and tumor diameter (HR=1.243, P=0.028)were the independent prognostic factors for OS, while tumor volume were the independent prognostic factor for PFS.@*Conclusions@#Definitive radiotherapy is a promising therapeutic method in patients with T1-2N0M0 ESCC. Patients′ age, tumor diameter and tumor volume may impact patients′ prognosis.
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Objective To retrospectively analyze the effect of tumor length on the prognosis in stage Ⅱ/Ⅲ esophageal squamous cell carcinoma (ESCC) patients treated with definitive radiotherapy and to evaluate the role of tumor length in clinical stage for non-operative ESCC patients.Methods The data of 2 086 ESCC patients who were treated with definitive radiotherapy from 2002 to 2016 in 10 hospitals (3JECROG) were analyzed.The effect of tumor length on overall survival (OS) was analyzed and stratified analysis of tumor length was done in different stages of ESCC.Results The median OS and median progression-free survival (PFS) time of the whole group were 25.6 months and 18.2 months respectively.The Cox multivariate analysis showed that treatment moda,aga,alinical stage and tumor length were independent prognostic factors.The median,1-,3-,and 5-year OS were 28.9 months,77.3％,45.0％,and 36.3％ versus 21.9 months,69.9％,37.9％,and 28.1％ for patients with ≤ 5 cm and patients ＞ 5 cm respectively (P＜0.05).For stage Ⅱ patienta,abe median OS were 42.1 and 38.9 months respectively in ≤ 5 cm group and＞5 cm group (P=0.303).And for stage Ⅲ patienta,abe median OS were 23.9 and 19.3 months respectively in ≤5 cm group and＞5 cm group (P＜0.001).The median OS with N1was 24.1 and 18.4 montha,aespectively in ≤5 cm group and＞5 cm group (P＜0.001).Conclusions The tumor length was an independent prognostic factor for stage Ⅱ/Ⅲ patients treated definitive radiotherapy.The tumor length may be helpful in clinical staging of ESCa,aspecially for stage Ⅲ and N1.
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Objective To compare the therapeutic effects between three-dimensional conformal radiotherapy (3DCRT) and intensity-modulated radiotherapy (IMRT) in patients with stage Ⅱ/Ⅲ esophageal cancer and investigate the prognostic factors.Methods Medical record of 2 132 patients with stage Ⅱ/Ⅲ esophageal cancer who underwent definitive radiotherapy with/without chemotherapy in 10 hospitals from January 2002 to December 2016 from were retrospectively analyzed.Among these patients,37.9％ of them were aged ≥ 70 years,33.9％ with neck and upper esophageal tumors and 66.1％ with middle and lower esophageal and borderline tumors.The median gross tumor volume (GTV) and lymph node gross tumor volume (GTVnd) was 41.6 cm3.Among them,32％ were stage Ⅱ] and 68％ were stage Ⅲ.A total of 723 patients received 3DCRT and 1 409 cases received IMRT.Patients received an equivalent dose in 2 Gy (EQD2) ≥ 60 Gy accounted for 86.1％,and 41.1％ of them received concurrent chemoradiotherapy.Results The median follow-up time was 60.8 months.The 1-,3-and 5-year overall survival (OS) of all patients was 73.9％,41.7％ and 32.6％,and the 1-,3-and 5-year progression-free survival (PFS) was 62.2％,37.3％ and 32％,respectively.Multivariate analysis demonstrated that age,primary tumor location,clinical stage,tumor target volume,EQD2 and concurrent chemoradiotherapy were the independent prognostic factors for OS.Age,primary tumor location,clinical stage,tumor target volume and EQD2 were the independent prognostic factors for PFS.The OS and PFS did not significantly differ among the low-risk,low-/moderate-risk,moderate-/high-risk and high-risk groups according to age≥70 years,tumor diameter＞5 cm,tumor volume ≥41.6 cm3 and stage Ⅲ (P＜0.001).After the propensity score matching (PSM) method,neither 3DCRT nor IMRT yielded significant advantages in OS or PFS (P=0.971;P=0.658).However,IMRT tended to yield survival benefits in low-risk patients (P=0.125).Conclusions Both 3DCRT and IMRT yield relatively high OS rate in patients with stage Ⅱ/Ⅲ esophageal cancer.The prognosis model established in this investigation can properly predict the survival of patients.Low-risk patients tend to obtain survival benefits from IMRT.