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Objective:To compare the clinical value of stent assisted intestinal bypass and temporary loop ileostomy in laparoscopic low anterior resection of rectal cancer.Method:In this retrospective analysis, 57 patients undergoing laparoscopic low anterior resection for rectal cancer in the First Affiliated Hospital of Ningbo University from Jan 2020 to Jan 2022 were divided into intestinal bypass group (36 cases) and loop ileostomy group (21 cases).Result:There were no significant differences in postoperative GI function recovery and postoperative complication rate between the two groups (all P>0.05). The levels of albumin, prealbumin and hemoglobin in the intestinal bypass group were better than those in the ileostomy group when evaluated on 3rd months after operation [(40.5±2.3) g/L vs. (38.1±2.6)g/L、(26.4±2.7)mg/dl vs. (24.5±2.0)mg/dl、(137.6±5.9) g/L vs. (134.0±7.0) g/L, t=3.605、2.743、2.085, all P<0.05]. Hospital expenses of the intestinal bypass group was lower [(571 000±7 500) yuan vs. (69 300±9 100) yuan, t=-5.477, P<0.05]. Conclusion:Compared with traditional ileostomy, the stent assisted intestinal bypass reduces trauma with lower expenses and improves patients' status after laparoscopic low anterior resection for rectal cancer.
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Objective To explore the feasibility and clinical efficacy of serosal muscular layers incision and submucosal layers exfoliation technique in laparoscopic surgery for gastric gastrointestinal stromal tumors(GIST).Methods 28 patients with gastric GIST underwent serosal muscular layers incision and submucosal layers exfoliation technique under laparoscopic surgery.Patients' clinicopathologic characteristics,operative outcomes,postoperative complications,and follow up results were analyzed retrospectively.Results Surgery was successfully completed in all patients,and no one was converted to open surgery.The average operation time was (66 ± 15) min,and the intra operative blood loss was (16 ± 10) ml,the time of passage of gas by anus after operation was (20 ± 10)h,the time starting liquid diet was (2.5 ± 1.6) d,and the length of postoperative hospital stay was (7 ± 3) d.One patient had delayed gastric emptying,one had incisional infection.All the specimen had complete pseudocapsule and negative margin.pathology was all gastric GIST.After a median 22 months followed up,no recurrence or metastasis were found.Conclusion Serosal muscular layers incision and submucosal layers exfoliation under laparoscopic surgery is a safe and feasible procedure for treating gastric GIST.
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OBJECTIVE@#To explore the expression patterns of transcription factor SOX12 in lung adenocarcinoma and its significance in the diagnosis and prognosis of the malignancy.@*METHODS@#Large cancer genome databases were used to analyze SOX12 expression level in lung adenocarcinoma. Immunohistochemistry (IHC) and semiquantitative PCR were used to detect the expression of SOX12 in 36 specimens of lung adenocarcinoma tissues, 15 adjacent tissues and 21 normal lung tissues. The prognostic value of SOX12 in lung adenocarcinoma and lung squamous cell carcinoma were analyzed using Kaplan-Meier Plotter database, and the relationship between SOX12 expression and the overall survival (OS) and progression free survival (PPS) of the patients were analyzed.@*RESULTS@#Analysis of TCGA database and GEO (GSE40419) database showed that SOX12 expression levels were significantly higher in in lung adenocarcinoma than in normal lung tissues ( < 0.001). The results of IHC and semiquantitative PCR revealed that SOX12 was expressed at significantly higher levels in lung adenocarcinoma than in normal lung tissues ( < 0.001). Kaplan-Meier survival analysis showed that patients with lung adenocarcinoma positive for SOX12 had a significantly shorter OS and PPS time than those negative for SOX12 ( < 0.05), but SOX12 positivity did not significantly affect OS and PPS of patients with lung squamous cell carcinoma.@*CONCLUSIONS@#High expression levels of SOX12 in lung adenocarcinoma are significantly associated with a poor OS of the patients, suggesting the value of SOX12 to assist in early diagnosis and prognostic evaluation of lung adenocarcinoma.
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Humans , Adenocarcinoma , Metabolism , Adenocarcinoma of Lung , Metabolism , Mortality , Biomarkers, Tumor , Metabolism , Carcinoma, Non-Small-Cell Lung , Metabolism , Mortality , Databases, Factual , Kaplan-Meier Estimate , Lung Neoplasms , Metabolism , Mortality , Prognosis , SOXC Transcription Factors , Metabolism , Transcription FactorsABSTRACT
Objective@#To explore the feasibility and clinical efficacy of serosal muscular layers incision and submucosal layers exfoliation technique in laparoscopic surgery for gastric gastrointestinal stromal tumors(GIST).@*Methods@#28 patients with gastric GIST underwent serosal muscular layers incision and submucosal layers exfoliation technique under laparoscopic surgery. Patients′clinicopathologic characteristics, operative outcomes, postoperative complications, and follow up results were analyzed retrospectively.@*Results@#Surgery was successfully completed in all patients, and no one was converted to open surgery.The average operation time was (66±15) min, and the intra operative blood loss was (16±10) ml, the time of passage of gas by anus after operation was (20±10)h, the time starting liquid diet was(2.5±1.6)d, and the length of postoperative hospital stay was (7±3)d. One patient had delayed gastric emptying, one had incisional infection. All the specimen had complete pseudocapsule and negative margin. pathology was all gastric GIST. After a median 22 months followed up, no recurrence or metastasis were found.@*Conclusion@#Serosal muscular layers incision and submucosal layers exfoliation under laparoscopic surgery is a safe and feasible procedure for treating gastric GIST.
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Remembering medical English terms is the difficult point in learning medical English.Only through learning the rules and characteristics of medical terms can one remember and get command of thousands of medical terms rapidly and effectively.When studying medical English terms,we explored and summarized a series of pithy formula hook memorial method - a pithy formula linked to the affix and etyma was turned into rhyming verse and formed a memory chain after memorizing by hook memory method many times so as to keep the medical terms firmly in the mind rapidly.
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Based on MeSH-2004, we constructed a Learning Science related phenotype Ontology with active server page (ASP) and database technology. It provides a canonical, systemic and structural term system for the study of learning science and its phenotypes include terms of behavior,psychology and mental disorder. By using this Ontology, we can integrate isomerous data. It will increase the efficiency of information acquisition, management and search,and provide a platform for data sharing and data mining.
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Database Management Systems , Genes , Medical Subject Headings , Natural Language Processing , Phenotype , Terminology as TopicABSTRACT
Horizontal gene transfer (HGT), also Lateral gene transfer (LGT), is any process in which an organism transfers genetic material to another species that is not its offspring. With the increase of available genomic data, it has become more convenient to study the way to detect the genes, which are products of horizontal transfers among a given genome. There are few data about known horizontal gene transfers in three bacterium genomes under consideration, so the experiments, which simulated gene transfer by artificially inserting phage genes, were carried out. Combining the feature analysis methods of gene sequences with support vector machine (SVM), a novel method was developed for identifying horizontal gene transfers (HGT) in 3 fully sequenced bacterium genomes (Escherichia coli K12, Borrelia burgdorferi, Bacillus cereus ZK). According to our previous work, codon use frequency (FCU) was selected as the sequence feature, in respect that it is inherently the fusion of both codon usage bias and amino acid composition signals. In addition, another computational method was proposed considering strand asymmetry and predicting horizontal gene transfers of leading strand and lagging strand of genomes under consideration, respectively. To avoid the occasionality of simulating gene transfer through artificially inserting phage genes, 100 times of the transfer-and-recover experiment were repeated and arithmetic average of measurement for each genome being considered were reported to evaluate algorithm's performance. Ten-fold cross-validation was used for both parameter and accuracy estimation. The best results were obtained for C-Support Vector Classification (C-SVC) type by using the radial basis function kernel with ?=100, while for one-class SVM type the best performance was obtained using the polynomial kernel of three degree. The performance of the approach was compared with that of Tsirigos' method ,which is one of the best predictive approachs to date in detecting of horizontal transfer genes. Firstly, for the original method that did not consider the strand asymmetry, the C-SVC type has a high relative improvement(RI) of 31.47% on hit ratio for Escherichia coli K12, while the one-class SVM type has RI of 11.61% for Borrelia burgdorferi. Moreover, as theoretically expected, the method considering the strand asymmetry resulted in higher RI than the original method. In order to examine the approach's performance in detecting factual gene transfer events, the approach was applied in genome of Enterococcus faecalis V583. It is not only succeed in recovering all the seven factual horizontally transferred genes, also found that the whole segment from 7 kb upstream of gene EF2293 to 38 kb downstream of gene EF2299 was probably transferred into E. faecalis V583 genome simultaneously with the above seven genes.
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<p><b>BACKGROUND</b>It is uncertain that the effect of multimodality treatment with operation on survival for locally advanced non-small cell lung cancer (NSCLC). The aim of this study is to evaluate the effect of multimodality treatment with or without operation on survival for locally advanced NSCLC.</p><p><b>METHODS</b>From May 1992 to May 1999, 114 patients with locally advanced NSCLC were divided into two arms. Arm A (n=56): 39 cases were at stage IIIA, and 17 at stage IIIB; Median KPS was 80 (range from 70 to 90 ); Multimodality treatment program included operation, chemotherapy, radiotherapy and traditional Chinese herb medicine. Of them, lobectomy plus mediastinal systematic lymph node dissection or lymph node sampling accounted for 49 cases, sleeve lobectomy plus mediastinal lymph node dissection for 5 cases, and pneumonectomy for 2 cases. Preoperative or adjuvant chemotherapy regimens included MVP (mitomycin C, vindesine, cisplatin), NP (vinorelbine, cisplatin), TC (paclitaxel, carboplatin), GP (gemcitabine, cisplatin), which were repeated every 4 weeks for 4-6 cycles. Total dose of radiotherapy for lesions in the lung or mediastinal field was 5000-6000cGy. Arm B (n=58): 23 cases were at stage IIIA, and 35 at stage IIIB; Median KPS was 70 (range from 60 to 90); Treatment program was the same approximately as arm A except for no operation.</p><p><b>RESULTS</b>Arm A: (1) Metastatic locations in follow-up, in turn, showed as: lymph node, pleural-lung, bone, brain, liver, pericardium, skin and adrenal; (2) Median survival was 27 months, and 1-, 2- and 5-year survival rate was 82.1%, 60.7% and 25.0% respectively. Arm B: (1) Metastatic locations in follow-up, in turn, showed as: lymph node, pleural-lung, bone, brain, liver, pericardium, skin, adrenal, pancreatic and esophageal metastasis; (2) Median survival was 13 months, and 1-, 2- and 5-year survival rate was 53.4%, 31.0% and 1.7% respectively. Median survival duration of Arm A was significantly superior to Arm B (P=0.0001). There were significant differences in 1-, 2- and 5-year survival rate between the two groups (Chi-Square=9.4, P < 0.01; Chi-Square=8.9, P < 0.01;Chi-Square=11.5, P < 0.01).</p><p><b>CONCLUSIONS</b>Compared with non-operative multimodality treatment, operative multimodality treatment including lobectomy or pneumonectomy with mediastinal lymph node dissection can remarkably improve the survival in patients with locally advanced NSCLC.</p>
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The rats were kept in normobaric hypoxic chamber(O_2=10%) for 24 hours or 1,2,4 weeks(6 hrs./day, 6day/wk.). The adrenoeeptors of lungs were measured by binding study. The result showed that The beta adrenoceptors decreased by 24 hours of hypoxia and unexpectedly increased at 1 week of hypoxia. The exposure to hypoxia for 2 and 4 weeks led to a decrease in beta adrenoceptors again. By contrast, the alpha adrenoceptors increased markedly at 24 hours and 4 weeks of hypoxiao A higher, but not significant density of alpha_1 adrenoceptors was also found at 1 and 2 weeks of hypoxia. The affinity of beta and alpha_1 adrenoceptors did not change after hypoxia. The data indicated that the changes in adrenoceptors induced by hypoxia may play a role in the development of hypoxic pulmonary hypertension.
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Malignant fibrous histiocytoma (MFH) is a common soft tissue sarcoma, which shows a strong predilection for distant metastases. Due to its limited response to radiotherapy and chemotherapy , poor prognosis is generally observed. A patient with MFH, who developed pulmonary metastases, postoperatively took ZD1839, an epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor, because it was found that there was EGFR expression on the surface of the tumor cells. After a course of treatment (28 days), the pulmonary metastases disappeared, and the patient enjoyed a complete remission.