1.Influence of laparoscopic D3 lymphadenectomy combined with pelvic autonomic nerve preservation on the urinary function of male patients with rectal cancer
Liye LIU ; Chao ZHANG ; Lu GAN ; Peiwu YU ; Yan LI ; Tao LIU ; Jianhua XU
Chinese Journal of Digestive Surgery 2009;8(3):223-225
Objective To investigate the influence of laparoscopic D3 lymphadenectomy combined with pelvic autonomic nerve preservation on the urinary function of male patients with rectal cancer. Methods From August 2006 to August 2007, 119 male patients with rectal cancer who had been admitted to Southwest Hospital were assigned to open surgery group (n=59) and laparoscopic group (n=60) according to the random number table. Three months after the operation, the urinary function of patients was assessed by urodynamics investigation and international prostate symptom score (IPSS). Differences in measurement data were compared with paired t test. Results There was no significant difference in IPSS between laparoscopic group (10.9±2.9) and open surgery group (11.5±3.1) (t=-1. 309, P>0.05). The maximum flow rate, voided volume, residual urine volume, detrusor contraction pressure and maximum urethral pressure were 15.2 ml/s, 150.1 ml, 6.1 ml, 43.3 cm H2O (1 cm H2O=0.098 kPa) and 77.5 cm H2O in laparoscopic group, and 15.0 ml/s, 140.9 ml, 6.4 ml, 45.6 cm H2O and 72.3 cm H2O in open surgery group, with no statistical difference between the 2 groups (t=1.22, -2.12, -1.73, -1.35, -1.64, P>0.05). Conclusions Laparosceopic D3 lymphadenectomy combined with pelvic autonomic nerve preservation is relatively safe in preserving urinary function, and its efficacy is comparable to that of open surgery.
2.Laparoscopic D3 lymphadenectomy combined with pelvic autonomic nerve preservation for rectal cancer
Chao ZHANG ; Jun CHEN ; Liye LIU ; Peiwu YU ; Lu GAN ; Tao LIU
Chinese Journal of Digestive Surgery 2008;7(6):455-457
Objective To investigate the feasibility of laparoscopic D3 lymphadenectomy combined with pelvic autonomic nerve preservation for rectal cancer.Methods The clinical data of 34 patients with rectal cancer who had been admitted to OUr hospital from January 2007 to December 2007 were retrospectively analyzed.All patients underwent laparoscopic D3 lymphadenectomy combined with pelvic autonomic nerve preservation.The operation time,lymph node dissection,postoperative complications were assessed.The erectile function of male patients and the short-term outcome of the operation were evaluated.Results All patients were successfully operated on,and no conversion Was required.The mean operation time,blood loss,number of lymph node dissected,time of catheterization,mearl volume of residual urine and CEA were(265+46)minutes,(123±27)ml and 19±3,(5.5±1.6)days,(22.5±7.8)ml and(8.0±4.6)U/L,respectively.The incidence of postoperative complications and male sexual dysfunction were 9%(3/34)and 14%(3/21),respectively.No local recurrence or distal metastasis Was observed at the end of August 2008.Conclusions Laparoscopic D3 lymphadenectomy combined with pelvic autonomic nerve preservation for rectal cancer is relatively safe and feasible.
3.Application of a calling and queuing system in blood sampling in the clinical laboratory.
Da-Gan YANG ; Xi-Chao GUO ; Gen-Yun XU ; Yu CHEN
Chinese Journal of Medical Instrumentation 2008;32(2):139-141
This paper introduces the application of a calling and queuing system for blood sample collection in a large hospital in China. Besides the basic function, it has following functions. (a) A real name system: get the number according to the laboratory application form to prevent the phenomena of buying a number and an empty number. (b) Two times waiting: the patient should wait at the main hall, then at the blood sampling window so as to improve the work efficiency. (c) The flowchart for an outpatient blood testing is as following: getting the number --> waiting --> blood sampling --> getting the test information report. This system is capable of not only optimizing the work flow, but also improving the clinical environment. It shortens the patient's waiting time and raises the laboratory quality as well.
Ambulatory Care
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methods
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Ambulatory Care Information Systems
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Blood Specimen Collection
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Laboratories, Hospital
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organization & administration
4.Primary establishment of an alphaLISA assay for detection of HAV IgM.
Xing GAN ; Ying WANG ; Juan SONG ; Yu CUI ; Peng SUN ; Chen GAO ; Chao-Ping LI ; Jun HAN
Chinese Journal of Experimental and Clinical Virology 2012;26(2):139-141
OBJECTIVETo develop an AlphaLISA method for detection of antibody of Hepatitis A virus.
METHODSAfter hepatitis A virus antigen was concentrated and biotinylated, optimal biotinylated HAV antigen, donor bead, acceptor bead concentration have been explored and determined by both dot-blotting and AlphaLISA methods. 97 samples including 23 serums from patients HAV infected and 70 serums from blood donors have been detected by new AlphaLISA method.
RESULTSThe sensitivity and specificity for anti-HAV IgM were 78% and 98.5%, the positive and negative predictive value were 95% and 93%.
CONCLUSIONA homogeneous and fast AlphaLISA assay for detection of HAV IgM has been established by preliminary verification on samples.
Biotinylation ; Hepatitis A ; diagnosis ; Hepatitis A Antibodies ; blood ; Humans ; Immunoglobulin M ; blood ; Sensitivity and Specificity
5.Study on Bushen Jianpi Recipe in treating bone marrow hematopoietic suppression mouse model caused by cyclophosphamide
Chao GAN ; Jinhong ZHU ; Haitao YU ; Na SU ; Fei LI ; Lei ZHANG
International Journal of Laboratory Medicine 2017;38(22):3080-3082
Objective To verify the effects of Bushen Jianpi Recipe(BSJP) on bone marrow hematopoietic suppression mouse model caused by cyclophosphamide .Methods The experimental C57BL/6 mice were divided into the normal control group ,bone marrow hematopoietic suppression group and BSJP treatment group ,and the bone marrow hematopoietic suppression group and BSJP treatment group were peritoneally injected with cyclophosphamide for 3 d .The BSJP group began to be given with BSJP by gavage from 4 d ,and the other two groups received water as gavage control .After 14 d treatment ,peripheral venous blood cells count ,bone marrow hematopoiesis stem cells (HSCs) count and bone marrow mononuclear cell proliferation ability were detected by using the blood cells analyzer and flow cytometry .Results Compared with the control group ,the white blood cells(WBCs) count , HSCs number and bone marrow mononuclear cell proliferation ability in the hematopoietic suppression group were decreased significantly(P<0 .01);the platelet count ,HSCs count and bone marrow mononuclear cells proliferation ability after BSJP treatment in the BSJP treatment group were significantly higher than those in the hematopoietic suppression group (P<0 .01) .Conclusion BSJP can alleviate the side effect of cyclophosphamide chemotherapy and increase the anti-tumor effect of chemotherapeutic drugs .
6.Gene expression changes in patients with fulminant type 1 diabetes.
Zhen WANG ; Chao ZHENG ; Yu-Yu TAN ; Yi-Jun LI ; Lin YANG ; Gan HUANG ; Jian LIN ; Zhi-Guang ZHOU
Chinese Medical Journal 2011;124(22):3613-3617
BACKGROUNDFulminant type 1 diabetes (F1D) is a complex disease. Microarray analysis was used to identify gene expression changes and obtain understanding of the underlying mechanisms.
METHODSMicroarray analysis was performed on peripheral blood mononuclear cells from six F1D patients and six matched healthy subjects. Real-time polymerase chain reaction was used to verify the differentially expressed genes. NK cell activity was detected by methyl thiazoleterazolium assay.
RESULTSMicroarray analysis identified 759 genes differing in expression between F1D patients and controls at a false discovery rate of 0.05. Expression of TLR9, ELF4 and IL1RAP were verified and consistent with changes in microarray results. NK cell activity was decreased in F1D. With use of a knowledge base, differentially expressed genes could be placed within different pathways with predicted functions including interleukin-1, and tumor necrosis factor-α signaling.
CONCLUSIONSThese results identify several genes indicating possible mechanisms in F1D. NK cell dysfunction resulting from changes in expression of TLR9, ELF4 and IL1RAP, and pathways of interleukin-1 and tumor necrosis factor-α signaling might be involved in F1D through inducing β-cell dysfunction.
Adult ; Diabetes Mellitus, Type 1 ; genetics ; metabolism ; Female ; Gene Expression Profiling ; Humans ; Male ; Middle Aged ; Oligonucleotide Array Sequence Analysis ; Reverse Transcriptase Polymerase Chain Reaction ; Young Adult
7.Yield of CD34(+) cells in graft can be increased significantly by G-CSF used at appropriate time after chemotherapy for AutoPBSCT.
Li XU ; Chun-Kang CHANG ; Wei-Jin GAN ; Ji-Ying SU ; Xi ZHANG ; Lin-Yun WU ; Lu-Xi SONG ; Qi HE ; Li-Yu ZHOU ; Chao XIAO ; Hong LIU ; Xiao LI
Journal of Experimental Hematology 2011;19(3):759-763
This study was aimed to investigate the influence of timing using G-CSF after chemotherapy on graft yield of mobilized peripheral blood stem cells for autoPBSCT. 39 patients with lymphoma or multiple myeloma (MM) received the same chemotherapy mobilization regimen, including CTX 400 mg/m² d1; VLB 2 mg/m(2) d1; Ara-C 60 mg/m ²× d1-5; VP-16 60 mg/m² × d1-5; and prednisone 40 mg/m² × d1-5. The historical control group (12 cases) received G-CSF subcutaneously (filgrastim) at the first restoration after the initial nadir of the peripheral WBC count. The experimental group (27 cases) received G-CSF during the steady rise of the WBC count (end of fluctuating after initial nadir). G-CSF was given in a single daily subcutaneous dose of 5 µg/kg until the final PBSC apheresis. When the peripheral WBC and mononuclear cell (MNC) counts reached 10 × 10⁹/L and 1.0 × 10⁹/L respectively, leukapheresis was carried out using the COBE Spectra blood cell separator. The results indicated that despite there was comparable treatment with alkylating agents between 2 groups, a significantly increased yield of CD34 positive cells was observed in the experimental group (26.4 × 10⁶/kg), as compared to the historical control group (3.1 × 10⁶/kg) (p = 0.0031). It is concluded that the appropriate timing for the use G-CSF mobilization after chemotherapy is important to increase the CD34(+) cell yield in auto-graft.
Adult
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Antigens, CD34
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Antineoplastic Combined Chemotherapy Protocols
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Female
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Granulocyte Colony-Stimulating Factor
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administration & dosage
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therapeutic use
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Hematopoietic Stem Cell Mobilization
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methods
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Humans
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Lymphoma
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therapy
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Male
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Middle Aged
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Multiple Myeloma
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therapy
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Transplantation, Autologous
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Young Adult
8.Bioactive β-tricalcium phosphate modified by stem cell screen-and-enrich-and-combine circulating system for regeneration of bone defects
Wenxiang CHU ; Yaokai GAN ; Jie ZHAO ; Yifu ZHUANG ; Xin WANG ; Dingwei SHI ; Chao YU ; Weihua GONG ; Fengxiang LIU ; Jian TANG ; Yuehua SUN ; Kerong DAI
Chinese Journal of Orthopaedic Trauma 2018;20(5):369-375
Objective To introduce a new method for preparation of bioactive β-tricalcium phosphate (β-TCP) by rapid stem cell screen-and-enrich-and-combine circulating system (SECCS) and evaluate its efficacy in the treatment of fresh fractures and bone defects.Methods Twenty-two patients with fresh fracture and bone defects were treated with SECCS from July 2013 to April 2016.They were 16 males and 6 females with an average age of 52.2 years (from 27 to 81 years).There were 15 tibial plateau fractures and 7 calcaneal fractures.The average size of bone defects was 12.5 mL.Bioactive β-TCP was prepared by SECCS intraoperatively and implanted back immediately into the bone defects.Radiographic examination,Lysholm knee scoring and Maryland foot scoring were used for assessment of curative efficacy.Results The 22 patients were followed up for an average of 25.7 months (from 12 to 46 months).By SECCS,the enrichment efficiency of bone marrow stromal cells (BMSCs) reached up to 82.4% and the cell viability was not affected.The tibial plateau fractures were re-transplanted with 13,381.3 BMSCs on average and healed after an average of 8.9 weeks (from 6 to 15 weeks).The Lysholm knee scores at one year postoperatively averaged 93.6 points (from 84 to 100 points),yielding 10 excellent cases,4 good cases and one fair case.The calcaneal fractures were implanted back with 16,677.7 BMSCs on average and healed after an average of 9.4 weeks (from 8 to 13 weeks).The average Maryland foot score at one year after operation was 93.6 points (from 85 to 98 points),yielding 6 excellent cases and one good case.Conclusion Bioactive materials prepared by SECCS are good bone grafts for fresh fractures and bone defects.
9.Change of glutamic acid decarboxylase antibody and protein tyrosine phosphatase antibody in Chinese patients with acute-onset type 1 diabetes mellitus.
Chen CHAO ; Gan HUANG ; Xia LI ; Lin YANG ; Jian LIN ; Ping JIN ; Shuo-Ming LUO ; Yi-Yu ZHANG ; Ling-Ling PAN ; Zhi-Guang ZHOU
Chinese Medical Journal 2013;126(21):4006-4012
BACKGROUNDGlutamic acid decarboxylase antibody (GADA) and protein tyrosine phosphatase antibody (IA-2A) are two major autoantibodies, which exert important roles in the process of type 1 diabetes mellitus (T1D). Our study aimed to investigate the changes in positivity and titers of GADA and IA-2A during the course of Chinese acute-onset T1D patients and their relationships with clinical features.
METHODSTwo hundreds and forty-seven Chinese newly diagnosed acute-onset T1D patients were consecutively recruited. GADA and IA-2A were detected at the time of diagnosis, one year later, 3-5 years later after diagnosis during the follow-up; all the clinical data were recorded and analyzed as well.
RESULTSDuring the course of acute-onset T1D, the majority of patients remained stable for GADA or IA-2A, however, a few patients changed from positivity to negativity and fewer patients converted from negativity to positivity. The prevalence of GADA was 56.3% at diagnosis, decreasing to 50.5% one year later, and 43.3% 3-5 years later while the corresponding prevalence of IA-2A were 32.8%, 31.0% and 23.3%, respectively. The median GADA titers were 0.0825 at diagnosis, declining to 0.0585 one year later and 0.0383 3-5 years later (P < 0.001), while the corresponding median titers were 0.0016, 0.0010, 0.0014 for IA-2A, respectively. Fasting C-peptide (FCP) and postprandial C-peptide 2 hours (PCP2h) levels of GADA or IA-2A negativity persistence patients were higher than those of positivity persistence and negativity conversion patients (P < 0.05) which indicated GADA or IA-2A negativity persistence T1D patients had a less loss of β cell function.
CONCLUSIONOur data suggest that repeated detection of GADA and IA-2A are necessary for differential diagnosis of autoimmune diabetes and the indirect prediction of the β cell function in Chinese patients.
Adolescent ; Adult ; Aged ; Antibodies ; therapeutic use ; Asian Continental Ancestry Group ; Child ; Child, Preschool ; Diabetes Mellitus, Type 1 ; drug therapy ; immunology ; Female ; Glutamate Decarboxylase ; immunology ; Glycated Hemoglobin A ; metabolism ; Humans ; Infant ; Male ; Middle Aged ; Protein Tyrosine Phosphatases ; immunology ; Young Adult
10.Clinical efficacy of Da Vinci robot-assisted radical resection for right colon cancer
Huaxing LUO ; Bo TANG ; Chao ZHANG ; Lu GAN ; Hua CHEN ; Xiao LEI ; Fan ZHANG ; Chongyu SU ; Peiwu YU
Chinese Journal of Digestive Surgery 2019;18(5):472-477
Objective To investigate the clinical efficacy of Da Vinci robot-assisted radical resection for right colon cancer.Methods The retrospective cross-sectional study was conducted.The clinical data of 85 patients with right colon cancer who were admitted to the First Hospital Affiliated to Army Medical University from August 2013 to February 2019 were collected.There were 56 males and 29 females,aged from 29 to 84 years,with an average age of 60 years.All patients underwent Da Vinci robot-assisted radical resection of right colon cancer,named right hemicolon D3 + complete mesocolic excision,and received infection prevention and total parenteral nutrition treatment after surgery.According to clinical pathological staging of guideline issued by National Comprehensive Cancer Network,patients underwent postoperative chemotherapy within 1 year after surgery.Observation indicators:(1) treatment status;(2) postoperative pathological examination;(3) follow-up.Follow-up was conducted using outpatient examination,telephone interview and mail every 3 months within 1 year after surgery,every 6 months from 1 to 3 years after surgery,and once a year from 3 to 5 years after surgery up to March 2019.The postoperative tumor metastasis and survival of patients were obtained.Measurement data with normal distribution were represented as Mean±SD,and measurement data with skewed distribution were described as M (range).Count data were expressed as absolute number.Survival rates were calculated using life-table method.Results (1) Treatment status:85 patients underwent Da Vinci robot-assisted right hemicolon D3 + complete mesocolic excision successfully.The operation time,volume of intraoperative blood loss,time for postoperative outof-bed activities,time to recovery of gastrointestinal function,time to liquid diet intake were (178±28) minutes,(85±33) mL,(2.9± 1.8) days,(3.1 ± 2.7) days,(3.9± 1.9) days,respectively.There was no perioperative death.Eleven patients had postoperative complications including 5 of anastomotic leakage,2 of anastomotic bleeding,2 of pulmonary infection,1 of gastric emptying disorder and 1 of incomplete intestinal obstruction;they were cured and discharged after conservative treatment.All the 85 patients received postoperative infection prevention and total parenteral nutrition support,including 64 receiving systemic intravenous chemotherapy with 6 -8 cycles of FOLFOX or XELOX,7 receiving 6-8 cycles of oral capecitabine,and 14 receiving no chemotherapy.(2) Postoperative pathological examination:the number of harvested lymph nodes was 20± 11 and 25 had lymph node metastasis.The length of proximal and distal cutting edge of the specimens was (16±5) cm and (9±5)cm,respectively.There was no cancerous cell on the cutting edge.High-differentiated adenocarcinoma,moderatedifferentiated adenocarcinoma,moderate-differentiated tubular adenocarcinoma,low-differentiated adenocarcinoma,mucinous adenocarcinoma,tubular combined with mucinous adenocarcinoma were detected in 2,40,14,16,9,4 patients,respectively.There were 8,28,24,5,12,8 patients in Ⅰ stage,Ⅱ A stage,Ⅱ B stage,Ⅱ C stage,ⅢB stage,Ⅲ C stage of TNM staging,respectively.(3) Follow-up:85 patients were followed up for 1-67 months,with a median follow-up time of 19 months.During the follow-up,1 of 85 patients had liver metastasis at 14 months after surgery and had survived after radiofrequency ablation treatment up to the end of follow-up.Three cases died of abdominal tumor metastases,1 of which in Ⅱ C stage died at 32 months after surgery,1 in Ⅲ B stage died at 4 months after surgery and 1 in Ⅲ B stage died at 16 months after surgery.The 1-,3-year overall survival rates were 97.1% and 94.0%,respectively.Conclusion Da Vinci robot-assisted radical resection of right colon cancer is safe and feasible,with good short-and long-term outcomes.