Objective To investigate the effect of co transfusion of bone marrow mesenchymal stem cells(BMMSC) on hematopoietic recovery in mice after allogeneic bone marrow transplantation(allo-BMT).Methods Both BMMSC obtained after three to four weeks of culture and bone marrow cells of donor mice C57BL/6(H-2~b) were transplanted into the recipient mice BalB/c(H-2~d) that were lethally irradiated.Peripheral blood cells were counted on day 1,7,and 14 post-transplantation.CFU-S in recipient bone marrows were measured on day 7 and 14.Results The numbers of peripheral WBC,RBC,platelets and the number of CFU-S in recipient bone marrows on day 7 and 14 were all significantly higher in the co-infusion group than those in control group(P

Objective To analyze the clinical prevalence,distributed characteristic of different ages,clinical characteristics and pathogenic factors of chronic abdominal pain in children.Methods A database in which outpa-tient and inpatient of abdominal pain during 2 -14 years old were collected from January 2011 to December 2015 was established by utilizing HIS system.A statistical analysis was made in age,sex,onset time,time of duration,mesenteric lymph node status and surgical situation.Results A total of 13 256 times abdominalgia were enrolled from January 2011 to December 2015.7 390 patients were diagnosed as unexplained abdominal pain,including 1 005 patients (13.59%)were diagnosed as chronic abdominal pain.A male -to -female ratio was 1.06:1.The average age was 6 years(ranged 2 -14 years).The average age of the boys was (6.02 ±2.87)years,which of the girls was (5.93 ± 2.79)years,there was no statistically significant difference between them(t =0.47,P =0.63).The peak age of chro-nic abdominal pain in children was mainly from 3 to 7 years old.The incidence decreased with age increased.The average time of duration was (16.70 ±11.69)months,that of the boys was (17.39 ±12.12)months,and that of the girls was (15.96 ±11.19)months,there was statistically significant difference between them(t =1.93,P =0.05). Mesenteric lymphadenectasis was detected in 731 patients(72.74%).The age constituent ratio decreased with age increased.The peak age of the prevalence coincided with peak age of the mesenteric lymphadenectasis.21 patients underwent surgical procedures,organic lesions accounted for 2.08%.Conclusion The peak age of the prevalence of chronic abdominal pain in children is mainly from 3 to 7 years old.Potential organic causes are rarely linked to chronic abdominal pain in children.Most of them are functional abdominal pain.The appendix and mesenteric lymphadenecta-sis might play an important role in children with chronic abdominal pain.The therapeutic aim of CAP in children is to make the children back to their normal life by exclude the organic causes and relieve their pain.The natural history of chronic abdominal pain suggests that symptoms remit spontaneously with increasing age.

Objectives:The purpose of this study was to investigate the effects of soybean oil emulsion on stress response and immune function after surgery for esophageal cancer. Mehtods:Patients who underwent esophagectomy with thoracotomy were divided into two groups.Group A(15 patients) received fatfree parenteral nutrition(PN) as the control group.Group B(18 patients) were fed by PN with soybean oil emulsion.There was no significant difference between the two groups in regard to either clinical backgrounds,nutritional parameters, or proteins measured before and after the operation. Results:The serum levels of cortisol and IL6 were significantly higher on the first and third postoperative days(P

As the most common organ-specific autoimmune disease,autoimmune thyroiditis (AIT) is characterized by intrathyroidal lymphocyte infiltration and specificthyroid autoantibodies.Modern medicine is short of effective etiological treatment at present,and has no specific medicine foreuthyroidism of AIT patients,who have been followed-up passively.Chinese medicine treatmenthas the characteristics of multiple-targets,multiple-links and multiple-pathways,which plays a special superiorityrole in the prevention and treatment of AIT.The purpose of this article was to sort out and set forthmore Chinese medicine pharmacology on AIT recently,which provided evidence for further clinical apply.

Objective To investigate the incidence of electrocoagulation syndrome after endoscopic submucosal dissection (ESD) in the colorectal laterally spreading tumors (LST) and the risk factors. Methods Data of 51 patients with coloretral LST,treated with ESD from January 2010 to May 2014 at Shengjing hospital affiliated to China Medical University,were reviewed.The incidence of electrocoagulation syndrome was analyzed and logistic regression was used to evaluate risk.Results The incidence of electro-coagulation syndrome was 9.8%(5 /51).The incidence of tumors in the rectal area(7.1%,2 /28)was lower than that of the left half colon (12.5%,1 /8),and the right colon (13.3%,2 /15).Multivariable logistic regression analysis showed that the independent risk factors for the development of electrocoagulation syndrome were LST located in non-rectum area (OR =1.655,P <1.655),lesion size larger than 25 mm (OR =1.028, P <0.05),the operation time longer than 129 min (OR =1.016,P <0.05),age older than 62 year old (OR =0.987,P <0.05).Conclusion For the patients aged over 62 year old,lesion size larger than 25 mm,the operation time longer than 129 min and LST located outside the rectum,the mucous membrane should be separated from the muscularis propria in the ESD procedure to reduce electrocoagulation time as much as possible. In the postoperative period,patients need fasting,fluid replacement support,and prevention of post endoscopic submucosal dissection electrocoagulation syndrome (PEECS).

Objective To investigate the influence of esmolol infusion on QT dispersity(QTd)in elderly patients with coronary heart disease during perioperafive period.Methods Fifty ASA Ⅱ or Ⅲ patients with coronary heart disease aged 65-80 yr undegoing non-cardiac surgery under general anesthesia were randomly divided into 2 groups(n=25 each):control group(group C)and esmolol group(group E).Anesthesia was induced with midazolam,fentanyl and vecuronium and maintained with continuous iv infusion of propofol andvecuronium and intermittent iv boluses of fentanyl.The patients were intubated and mechanically ventilated.PETCO2 was maintained at 25-35 mm Hg.In group E a loading dose of esmolol 0.5 mg/kg was given iv over 1 min at 2 min before skin incision and was followed by esmolol infusion at 25 μg·kg-1·min-1 maintained until the end of operation.Radial artery was caunulated.MAP,HR,SpO2 and PETCO2 were continuously momtored.ECG composed of 12 leads was momtored before operation,at 30 min after skin incision,immediately after operation,and at postsurgery days 1 and 2.The longest and shortest QT intervals were measured and detected by a cardiologist not involved in the study.The QTd was calculated.The ventricular arrhythmia was also recorded.Results QTd,the incidences of QTd abnormality and ventricular arrbythmia were significantly lower in group E than in group C.Conclusion The use ofesmolol during operation may decrease QTd and prevent the occurrence ofventricular arrhythmia.

Objective To measure the setup errors of patients with esophageal carcinoma during the treatment of three dimensional conformal radiotherapy (3DCRT), and to analyze the impact of setup errors on dose distribution of GTV,CTV and normal tissues around. Methods Forty-two patients with esophageal cancer treated by 3DCRT were included. The setup errors of each patient were measured once a week for 6 times by electronic portal imaging device (EPID). The setup errors were integrated into the treatment plan-ning system by moving the isocenter. Then the dose distribution of GTV, CTV and normal tissues were recal-culated. Results The systematic setup errors of the 42 patients were - 2.31 mm, - 0.55 mm and - 0.16 mm, and the random errors were 4.42 mm, 4.35 mm and 4.48 mm in the directions of lef-fight, anterior-posterior,and superior-inferior, respectively. The dose covered 95% GTV( D95 ) was reduced by 32 cGy and by 88 cGy for CTV D95. The lung V20 in the original plan and the integrated plan was 22.49% and 22.02%, respectively. The average dose of the heart in the two plans was 2077.62 cGy and 2036.23 cGy, respectively. In the original plan, no patient had maximum dose of spinal cord over 4500 cGy; While in the intergrated plan there were 18 patients had the spinal cord dose more than 4500 cGy, with a maximum dose of 5503.90 cGy. Conclusions The setup errors cause significant dose reduction of GTV and CTV, but not of the lung and heart . The maximum dose of the spinal cord may exceed 4500 cGy due to the setup errors.

ObjectiveTo investigate the long term clinical result of three-dimensional radiotherapy for esophageal carcinoma,discuss the effect of correlative factors to survival and local control.Methods From July 2003 to December 2008,792 patients with esophageal cancer were eligible.Patients were treated with three-dimensional radiotherapy (672 patients) or intensity-modulated (120 patients) radiotherapy.The radiotherapy was delivered in 1.8-2.0 Gy per fraction,5 fractions per week,total dose of 50-70 Gy,(median,60 Gy).142 patients were treated by concurrent radiochemotherapy,and the other 650 patients radiotherapy alone.The local control rate and survival rate were calculated by Kaplan-Meier method.Logrank method was used for univariate analyses.Cox regression model was used for multivariate analyses.ResultsThe follow-up rate was 95.8％.The number of patients with 5 years time followed-up was 133.The 1-year,3-year and 5-year local control rates were 76.6％,53.2％,48.6％,and the 1-year,3-year and 5-year overall survival rates were 70.1％,36.7％ and 28.0％,respectively.There were significant influence on the prognosis of T stage,N stage,TNM stage,tumor volume ( x2 =20.58-55.60,all P =0.000).The Cox multivariate model showed that N stage and tumor volume were independent prognostic factors (x2 =6.35,29.23,P =0.012,0.000).For the two groups of concurrent chemo-radiotherapy and radiotherapy alone,5-year local control rates were 57.0％ and 46.8％ ( x2 =7.34,P =0.007 ),the 5-year overall survival rate 32.8％ and 27.6％ ( x2 =3.42,P =0.064.ConclusionsThree-dimensional radiotherapy is effective for esophageal carcinoma.It might improve the local control rate and overall survival rate to some extent.T staging,N staging,TNM staging and tumor volume were important prognostic factors for long-term survival.The addition of concurrent radiochemotherapy could improve local control rates.

Objective Atherosclerosis is widely accepted as a chronic inflammatory disease. Serum biomarkers for vulnerable plaques not only serve as diagnostic tools for the identification of patients with acute coro-nary syndrome, but also assist the identification of high-risk patients. However, the existing data are limited and conflicting. In the present study, we determined whether the plasma levels of interleukin-1β (IL-1β) are correlated with adverse cardiac outcomes in patients with ST-evaluate acute myocardial infarction (STEAMI) undergoing pri-mary percutaneous coronary intervention (PCI). Effect of the plasma intedeukin-1β level on prognosis of patients with ST-segment elevation acute myocardial infarction. Method This prospective single-center study included 96 patients with SIEAMI with onset < 12 h who underwent primary PCI, 271 patients with stable angina pectoris (SAP) and 148 control subjects without coronary artery disease who were consecutively admitted to hospital be-tween Mar, 2006 and Mar, 2008. Plasma IL-1β levels were measured by enzyme-linked immunosorbent assay in all subjects. The patients with STEAMI were then followed prospectively for the occurrence of major adverse car-diac events (MACE) (including cardiovascular death, non-fatal myocardial infarction, heart failure, and cardio-genie shock) during hospitalization. We determined the association between IL-1β levels with the risk of MACE using multivariate logistic regression. Results Compared with the SAP patients and control subjects, patients with STEAMI had higher levels of IL-1β (P < 0.05). During hospitalization, 32 patients (33.3%) experienced MACE [23 males, 9 females; age: (75.44±13.45) years]. In the STEAMI patients, IL-1β was elevated in patients with MACE compared with patients without MACE (median [range]: 26.52 [12.010 to 155.244] pg/mL vs 2.157 [0.433 to 83.021] pg/mL; P < 0.01) by non-parameter analysis. Significant and positive correlations be-tween IL-1β and cardiac troponin-I (cTnI) (r = 0.353, P =0.004) were observed by Spearman's correlations analysis. Multivariate logistic regression analysis revealed that IL-1β levels ≥20 pg/mL were significantly and in-dependently associated with MACE during hospitalization (odds ratio: 32.05; 95% confidence interval: 4.28 to 240.151; P =0.001). Conclusions The present study revealed that patients with STEAMI had elevated IL-1β levels on admission. The plasma IL- 1β level is an independent inflammatory predictor for in-hospital MACE in pa-tients with STEAMI undergoing percutaneous coronary intervention.

BACKGROUND:Due to limitations of the physicochemical properties of soft denture liner material itself, whisker has been added in the soft lining material in recent years, so as to enhance its mechanical properties. OBJECTIVE:To investigate the effect of different additive amount of anhydrous calcium sulfate whisker on the mechanical function of self-curing soft denture liner. METHODS: There were six groups in this experiment. Anhydrous calcium sulfate whisker at the mass fraction of 0 (control), 1%, 2%, 3%, 4%, 5% was respectively added into self-curing soft liner materials, 10 test specimens in each group, a total of 60 test specimens. The shear bond strength, Shore hardness and tensile strength were detected. RESULTS AND CONCLUSION: With the increasing amount of the anhydrous calcium sulfate whisker, the Shore hardness of the soft lining material was increased continuously, and the tensile strength was increased firstly and then reduced. When 3% anhydrous calcium sulfate whisker was added, the bond strength and tensile strength of soft lining material reached the peak. Taken together, the mechanical properties of the soft lining materials became perfect when 3% anhydrous calcium sulfate whisker was added. These results demonstrate that anhydrous calcium sulfate whisker may affect the mechanical properties of self-curing soft liner.