Objective: To explore the promotion effect of laparoscopic standardized surgery for gastric cancer observational in some regional medical centers in Shanghai. Methods: A retrospective cohort study was carried out. Eleven regional medical centers in Shanghai received the promotion program of laparoscopic standardized surgery for gastric cancer, which was led by Ruijin Hospital, Shanghai Jiaotong University School of Medicine (Shanghai Minimally Invasive Surgery Center) from January to December 2020. Clinicopathological data of gastric cancer patients treated at these 11 regional medical centers before and after the promotion program were collected. Inclusion criteria were as follows: patients undergoing laparoscopic distal gastrectomy or total gastrectomy; gastric cancer confirmed by pathology; without distant metastasis or peritoneal metastasis. Patients who did not undergo laparoscopic D2 radical resection, or received neoadjuvant chemotherapy before surgery, or without complete clinical data were excluded. Patients undergoing laparoscopic surgery from January to December 2019 were included in the pre-promotion group (46 cases). Patients undergoing laparoscopic surgery from January to December 2021 were included in the post-promotion group (102 cases). In addition, patients undergoing laparoscopic surgery at Ruijin Hospital from January 2021 to December were included in the control group (138 cases). The baseline data, perioperative measurements postoperative complications, and pathological results of the three groups were analyzed and compared. Results: There were no significant differences in baseline characteristics among the three groups (all P>0.05). Compared with the pre-promotion group, the operation time in post-promotion group was significantly shorter [(207.3±36.0) minutes vs. (254.2±47.1) minutes, t=7.038,P<0.001], and the number of harvested lymph node was significantly more (24.4±12.2 vs. 18.9±5.5, t=2.900, P=0.004). However, there were no significant differences in the extent of resection, time to fluid intake, and postoperative hospital stay between the two groups (all P>0.05). Compared with the control group, the operation time [(207.3±36.0) minutes vs (172.6±26.0) minutes, t=8.281, P<0.001], time to fluid intake [(6.3±3.2) days than (5.5±3.0) days, t=2.029, P=0.044], and the postoperative hospital stay [(14.3±5.6) days vs. (10.1±4.8) days, t=6.036, P<0.001] in the post- promotion group were still longer. Total gastrectomy was less common in the post-promotion group compared with the control group [18 cases (17.6%) vs. 41 cases (29.7%), χ²=7.380, P=0.007]. However, there was no significant difference in the number of harvested lymph node between the two groups (P>0.05). The morbidity of postoperative complication in the post-promotion group (9.8%, 10/102) was significantly lower than that in the pre-promotion group (23.9%, 11/46) (χ²=5.183, P=0.023), while above morbidity was not significantly different between the post-promotion group and the control group [9.8% vs. 6.5% (9/138), χ²=0.867, P=0.352]. Conclusion: After the promotion of laparoscopic standardized surgery for gastric cancer in regional medical centers, the standardization degree of surgery has been improved, and the morbidity of postoperative complication decreases. Laparoscopic standardized surgery for gastric cancer can be promoted to more regional medical centers.
China ; Gastrectomy/methods* ; Hospitals ; Humans ; Laparoscopy ; Lymph Node Excision/methods* ; Postoperative Complications/etiology* ; Retrospective Studies ; Stomach Neoplasms/pathology* ; Treatment Outcome

Humans ; Neoplasms, Glandular and Epithelial ; Thymoma ; Thymus Neoplasms ; Thyroid Neoplasms

Objective: To study on the physical and chemical properties of dichroa alkali hydrochloride and to establish a method for the determination of entrapment efficiency of dichroa alkali hydrochloride liposomes. Method: HPLC was used to determine the content of dichroa alkali hydrochloride with mobile phase of acetonitrile-water-triethylamine-glacial acetic acid(9:91:0.35:0.75) and detection wavelength at 265 nm.The oil-water partition coefficient of this compound in different pH range was measured by shake flask method.The stability of the dichroa alkali hydrochloride in phosphate buffer solution with different pH after sterilization at 125℃ for 30 min was investigated.Ammonium sulfate gradient method was used to prepare dichroa alkali hydrochloride liposomes.The microcolumn was prepared by dextran gel and cation exchange resin,respectively.Then the free drug and liposome were separated by centrifugation,the drug content was measured,and the encapsulation efficiency was calculated.The t-test was performed using SPSS 20.0 software,the differences between these two methods were compared. Result: In the pH 6-9,the oil-water partition coefficient of dichroa alkali hydrochloride increased with increasing of pH,which was between 0.016 and 1.44;the recovery rate of dichroa alkali hydrochloride after sterilization was 37.16%-57.91%.Between the dextran gel microcolumn centrifugation and the cation exchange resin microcolumn centrifugation,there was no significant difference in the entrapment efficiency of the liposomes. Conclusion: Dichroa alkali hydrochloride is suitable for preparation of liposomes.However,its stability is not ideal,so the experimental temperature should be strictly controlled in the preparation process.Dextran gel microcolumn centrifugation and cation exchange resin microcolumn centrifugation can be used to determine the entrapment efficiency of dichroa alkali hydrochloride liposomes,and the cation exchange resin microcolumn centrifugation is suggested after comparison.

PURPOSE: Although gemcitabine plus cisplatin has been established as the standard first-line chemotherapy for patients with advanced biliary tract cancer (BTC), overall prognosis remains poor. We investigated the efficacy of a novel triplet combination of oxaliplatin, irinotecan, and S-1 (OIS) for advanced BTC. MATERIALS AND METHODS: Chemotherapy-naive patientswith histologically documented unresectable or metastatic BTC were eligible for this multicenter, single-arm phase II study. Patients received 65 mg/m2 oxaliplatin (day 1), 135 mg/m2 irinotecan (day 1), and 40 mg/m2 S-1 (twice a day, days 1-7) every 2 weeks. Primary endpoint was objective response rate. Targeted exome sequencing for biomarker analysis was performed using archival tissue. RESULTS: In total, 32 patients were enrolled between October 2015 and June 2016. Median age was 64 years (range, 40 to 76 years), with 24 (75%) male patients; 97% patients had metastatic or recurrent disease. Response rate was 50%, and median progression-free survival and overall survival (OS) were 6.8 months (95% confidence interval [CI], 4.8 to 8.8) and 12.5 months (95% CI, 7.0 to 18.0), respectively. The most common grade 3-4 adverse events were neutropenia (32%), diarrhea (6%), and peripheral neuropathy (6%). TP53 and KRAS mutations were the most frequent genomic alterations (42% and 32%, respectively), and KRAS mutations showed a marginal relationship with worse OS (p=0.07). CONCLUSION: OIS combination chemotherapy was feasible and associated with favorable efficacy outcomes as a first-line treatment in patients with advanced BTC. Randomized studies are needed to compare OIS with gemcitabine plus cisplatin.
Biliary Tract Neoplasms* ; Biliary Tract* ; Cholangiocarcinoma ; Cisplatin ; Diarrhea ; Disease-Free Survival ; Drug Therapy ; Drug Therapy, Combination ; Exome ; Humans ; Male ; Neutropenia ; Peripheral Nervous System Diseases ; Prognosis ; Triplets

OBJECTIVETo investigate the clinical manifestations, pathological characteristics, and treatments of urothelial-type mucinous adenocarcinoma of the prostate (UMAP).

METHODSWe reported a case of UMAP, reviewed relevant literature, and analyzed the clinicopaothological features, diagnosis, treatment, and prognosis of the disease.

RESULTSThe patient was a 60-year-old male and underwent transurethral resection of the prostate for dysuria. Postoperative pathology indicated mucinous adenocarcinoma and sigmoidoscopy revealed no primary colon cancer. Immunohistochemical staining showed the negative expressions of PSA and P504s and positive expressions of CK7, CK34 β E12, CK20, and CDX2. Thus UMAP was confirmed and treated by intensity-modulated radiotherapy. Then the patient was followed up for 30 months, which showed desirable therapeutic result, with neither local progression nor distant metastasis.

CONCLUSIONUMAP has a bad prognosis and its diagnosis depends on pathological and immunohistocchemical examinations. It responds well to radical prostatectomy but is not sensitive to endocrine therapy. Radiotherapy can be considered for those who are not fit to receive radical prostatectomy.

Adenocarcinoma, Mucinous ; metabolism ; pathology ; therapy ; Humans ; Keratins ; metabolism ; Male ; Middle Aged ; Neoplasm Proteins ; metabolism ; Prognosis ; Prostatectomy ; Prostatic Neoplasms ; metabolism ; pathology ; therapy ; Racemases and Epimerases ; metabolism

This study aims to analyze the molecular epidemiological characteristics of HIV-1 strains prevailing among men who have sex with men (MSM) in Beijing, China. The pol gene fragments from 250 newly diagnosed HIV-1-infected MSM individuals during 2006-2010 in Beijing were amplified by RT-nested PCR, sequenced, and phylogenetically analyzed. HIV-1 pol gene from 189 individuals were amplified and analyzed; 81 (42. 9%), 3 (1. 6%), 2 (1.0%), 88 (46. 6%), and 15 (7.9%) individuals were infected with HIV-1 subtypes B, B', C, CRF01_AE, and CRF07_BC, respectively. The subtypes B and CRF01_AE could both be grouped into two clusters, and CRFO7_BC strains shared high homology and were presumed to originate from a common ancestor. The HIV-1 circulating in MSM in Beijing had a lower genetic diversity than in heterosexuals. The HIV-1 epidemic (2006-2010) in MSM in Beijing was actually a rapid spread of HIV-1 CRF01 AE and B, or rather native strains of the two viruses.
Adult ; China ; epidemiology ; Epidemics ; Genetic Variation ; HIV Infections ; diagnosis ; epidemiology ; virology ; HIV-1 ; classification ; genetics ; isolation & purification ; Homosexuality, Male ; statistics & numerical data ; Humans ; Male ; Middle Aged ; Molecular Epidemiology ; Molecular Sequence Data ; Phylogeny ; Young Adult

OBJECTIVETo investigate Epstein-Barr virus(EBV) infection in Hodgkin's lymphoma (HL) of Uygur patients and related clinicopathological characteristics.

METHODSEBV-encoded small RNA (EBER) was detected in 40 cases of HL and 20 cases of lymphoid reactive hyperplasia by in-situ hybridization. Expression of LMP2A in HL was investigated by immunohistochemistry.

RESULTSEBV was detected in 26/40 (65.0%) of HL and 5/20 of lymphoid reactive hyperplasia (P < 0.05). The expression level of EBER showed significant difference among various histological subtypes of HL (P < 0.05) and between patients with and without B symptom (P = 0.02). However, no difference was found in relation to gender, clinical stage and tumor burden. The expression of LMP2A in the mixed cellularity and nodular sclerosis classical HL associated with EBV infection was 57.7% (15/26). Expression of LMP2A was not detected in lymphoid reactive hyperplasia cases.

CONCLUSIONUyghur patients with Hodgkin's lymphoma have a high infection rate of EBV and distinct clinicopathologic characteristics.

Adolescent ; Adult ; Child ; Child, Preschool ; China ; ethnology ; Epstein-Barr Virus Infections ; Female ; Herpesvirus 4, Human ; isolation & purification ; Hodgkin Disease ; metabolism ; pathology ; virology ; Humans ; Immunohistochemistry ; In Situ Hybridization ; Lymphatic Metastasis ; Male ; Middle Aged ; Pseudolymphoma ; metabolism ; pathology ; virology ; RNA, Viral ; metabolism ; Viral Matrix Proteins ; metabolism ; Young Adult

OBJECTIVETo observe the spermicidal effect of alcohol extracts from different ratios of Sophora flavescens Ait/Chinese Bulbul in vitro.

METHODSSemen samples aseptically obtained by masturbation and prepared by density gradient centrifugation from 15 healthy men were incubated in the alcohol extracts from 9 different ratios of Sophora flavescens Ait/Chinese Bulbul for 20 seconds, 2 minutes and 4 minutes. Then the motility and movement parameters of the sperm were detected by computer-assisted semen analysis, and the minimal effective concentrations of the instant spermicidal effect of the extracts were determined.

RESULTSAt the ratio of 3:1, the extract at 0.5 mg/ml significantly inhibited the sperm motility and other sperm movement parameters VCL, VSL, VAP, ALH, WOB and MAD, as compared with the control group. The minimal effective concentration of the instant spermicidal effect of the extracts was 3.5 mg/ml at 3:1.

CONCLUSIONThe alcohol extracts from Sophora flavescens Ait and Chinese Bulbul at the ratio of 3:1 have the best spermicidal effect in vitro.

Adult ; Humans ; Male ; Plant Extracts ; pharmacology ; Pulsatilla ; Semen Analysis ; Sophora ; Sperm Motility ; drug effects ; Spermatocidal Agents ; pharmacology ; Spermatozoa ; drug effects ; Young Adult

Objective To investigate the hypertension situations and nursing strategy of middle school teachers in Beijing area.Methods We have done a healthy check-up to 2 114 middle school teachers in Beijing,and then we made an investigation on the hypertension situation of these teachers,and summarized and analyzed the results of the physical examination.Results In the 2 114 middle school teachers,644 cases have hypertension problems.The hypertension sicken rate is 30.5％,and the prevalent rate was different in male and female (34.1％ vs 24.9％ ; x2 =10.052,P ＜0.01),and in people with different age and BMI (P ＜0.01).Along with the growth of the age,hypertension rates show an obvious ascendant trend,with the increase of body mass index (BMI),hypertension rates is also increasing.Conclusions The situation about hypertension in middle school teachers is not very optimistic.Middle school teachers often have more mental works to do,their work heavy,mental strain,psychological pressure big,physical exercises less,diet style is not reasonable.All of these are leading to high blood pressure.We should pay more attention to these,and adopt active actions as early as possible to change the unhealthy lifestyles and reduce hypertension.

Objective To analysis the relationship between HBV BCP A1762T/G1764A double mutation with acute on chronic liver failure(ACLF).Methods HBV BCP A1762T/G1764A double mutation was detected in 166 HBV chronic infection patients by nested PCR and direct DNA sequencing.The mutation rate was compared among the patients with different disease course.Results Among 166 patients,45 patients,45 patients,49 patients and 27 patients were diagnosed as chronic hepatitis B(CHB),liver cirrhosis(LC),ACLF and hepatocellular carcinoma(HCC),respectively.A1762T/G1764A double mutation rate was 40.0%(18/45),84.4%(38/45),73.5%(36/49)and 92.6%(25/27) respectively in different groups.However,A1762T/G1764A double mutation rate has no difference between ACLF based on CHB and LC(P=0.502)and between patients with HBeAg positive and negative(P=0.735).HBV DNA level (log) of patients with A1762T/G1764A double mutation was 5.68±1.36,lower than but having no significant statistic difference compared to patients without the double mutation(6.14±1.81,P=0.075).Conclusion A1762T/G1764A double mutation has a close relationship with the progress of HBV-infection diseases,but is not specific to patients with ACLF.And patients with BCP double mutation have similar HBV DNA levels and HBeAg status with patients without the double mutation.