Primary glaucoma is a group of blinding eye diseases,including of primary open angle glaucoma (POAG),primary angle-closure glaucoma (PACG) and primary congenital glaucoma (PCG).It is thought that the pathogenesis of primary glaucoma is a comprehensive action of genetic factor,environment factor and life style,and the genetic factor plays an important role.CYP1B1 gene was firstly identified as a causal gene for PCG in 1997.After that,thousands of reports on the pathogenesis of POAG focused on CYP1B1 gene mutation.With the developing of research,researches found that CYP1B1 gene to be one of the candidate genes of POAG.The structure and function of CYP1B1 gene,the relationship between CYP1B1 and POAG were reviewed.

Objective To investigate the early diagnosis of sudden cardiac death so as to increase the resuscitating success rate.Methods 24 cases with sudden cardiac death were analyzed.Results In 24 cases,there were 10 cases resuscitated successfully,8 cases with heartbeats recovered died in 1～3 days,5 of which had average blood glucose of 21.6 mmol/L and blood sodium of 156 mmol/L,and 6 cases resuscitated unsuccessfully.Conclusion 70.83% was caused by AMI in 24 cases.The early diagnosis of AMI is mainly based on clinical manifestation.Althogh early ECG did not show it,AMI should not be denied and misdiagnosed.Resuscitation should be performed on the spot as soon as cardiac arrest occurs.Naloxone and NaHCO3 should be used rationally.Meanwhile,be sure to prevent and treat reperfusion-injury.The prognosis would be extremely poor if the patient showed hyperglycemia and hypernatremia during resuscitation.

OBJECTIVE To investigate and analyze the reasons of nosocomial infection(NI) in patients in intensive care unit( ICU),to find effective countermeasures for preventing NI and reducing the incidence rate of NI in ICU,and to enhance the management of ICU.METHODS All data of patients who suffered MRSA in ICU from Dec 2005 to Feb 2006,were analyzed by prospective monitoring and retrospective studies.RESULTS The nine patients were with lower respiratory tract.All were infected by the same MRSA.The same MRSA strain was found from hand,mouth and nose among the treating doctor and nurses based on the sample-analysis.CONCLUSIONS The incidence rate of NI in ICU is much higher than that in other departments.Risk factors depend on the severity of underlying diseases,invasive procedure,the quality of disinfection and sterilization,the incorrect use of the antibiotic,and patients′ immunity status especially among elderly.The key way to reduce incidence rate of NI is to take comprehensive measures and strengthen the antibiotic management.

Objective To evaluate the efficacy and safety of preoperative colonic stenting versus emergency surgery for acute left-sided malignant colonic obstruction based on literature. Methods The randomized clinical trials (RCT) on the subject were retrieved from PubMed,OVID,EMBASE,Cochrane library,CNKI,Wanfang data and VIP Chinese Scientific and Technologic Periodical Database.Statistical heterogeneity between trials was evaluated by Revman 5.0 and was considered to exist when P ＜ 0.1.Heterogeneity of the included articles was tested,which was used to select proper effect model.Publication bias was investigated through visual inspection of funnel plots.Results Five RCT including 283 cases were analyzed,in which 145 patients received preoperative colonic stenting and 138 received emergency surgery.Compared with those of emergency surgery groups,the total OR of permanent stoma,one-stage operation,and infection of preoperative colonic stenting group were 0.28 (95％ CI:0.12 - 0.62,P =0.002),2.13 (95 ％ CI:1.28 - 3.55,P =0.004) and 0.25 (95％ CI:0.08 - 0.80,P =0.02),respectively.There were no significant differences between 2 groups in anastomotic leakage,mortality,intra-abdominal infection,or overall morbidity.OR were 0.70 (95％ CI:0.29 - 1.71,P =0.44),1.17 (95％ CI:0.49 -2.79,P=0.72),0.27 (95％CI:0.03-2.65,P=0.26) and 0.32 (95％CI:0.07-1.42,P=0.13),respectively.Inspection of the funnel plots for all outcome measures did not reveal evidence of publication bias.Conclusion Preoperative colonic stenting significantly improves one-stage operation and decrease the rates of permanent stoma and wound infection.However,large-scale and high-quality RCTs are further needed.

Objective To evaluate the efficacy and safety of itopride in the treatment of functional dyspepsia (FD) according to the data of published clinical studies.Methods The papers about randomized controlled trials (RCT) of itopride in treatment of FD were searched from Cochrane library,EMBASE,PubMed,Elsevier,web of science (ISI),China national knonledge internet (CNKI),VIP Chinese Scientific and Technologic Periodical Database and Wanfang data,and the feature information in the studies were extracted.The relative risk (RR) value was used for count data and the weighted mean difference (WMD) was used for measurement data.The proper effect model was selected according to the results of heterogeneity test and the publication bias was investigated through visual inspection of funnel plots.Results A total of nine RCT met the inclusion standard.Of 2620 FD cases,1372 received itopride treatment and 1248 cases received placebo or other medicine as control treatment.The RR value of total effective rates,postprandial fullness and early satiety effective rates in itopride treated FD patients was 1.11 (95％CI:1.01,1.21; P=0.02),1.18 (95％CI:1.04,1.33; P=0.009),1.24 (95％CI:1.01,1.53; P=0.04),which showed the curative effects of itropride group were all better than those of control group.However there was no statistical significance in epigastric discomfort.The WMD of effective rates evaluated with the leeds dyspepsia questionnaire (LDQ) score was-1.38 (95％CI:-1.75,-1.01; P＜0.01),which showed the curative effect of itropride group was better than that of control group.For safety,the adverse effects rates of itopride groups were similar with control groups.The funnel plots of each inspection index presented wide bottom,narrow up and symmetrical graphics,which indicated that there was no publication bias.Conclusion Itopride has better efficacy in general symptoms,postprandial fullness,early satiety and LDQ score in FD patients,and few effects are detected.

Objective To explore whether acute graft versus host disease (aGVHD) could be alleviated by syngeneic bone marrow mixed with granulocyte colony stimulating factor (G CSF) mobilized H 2 haploidentical marrow grafting. Methods Female BALB/c and neonatal BALB/c mice were recipients and male (BALB/c?C 57 BL/6) F 1 (BCF 1) mice were donor mice respectively. Donor mice were injected subcutaneously with G CSF daily at 0.01 ?g/g body weight or saline for 6 days, and splenocytes were harvested on day 6. Spleen index(SI) represented GVHD in neonatal mice after the intraperitoneal injection of mixed spleen cells.Lethally irradiated ( 60 Co, 8.5 Gy) adult mice were transplanted with a mixture of syngenetic plus G CSF mobilized (control diluents) H 2 haploidentical marrow cells.Survival time and survival rate of the recipients were observed after mixed marrow transplantation (MBMT). GVHD was assessed by observing signs of weight loss, ruffled fur, diarrhea and histological change of skin, liver and small intestines. Enzyme linked immunosorbemt assay (ELISA) method was used to detect cytokines (IL 2, IL 4, IFN ?). Fluorescence activated cell sorting (FACS) analysis was used to detect T cell phenotype. Results (1) The neonatal mice subject to injection of 2∶1 and 1∶1 mixed spleen cells and H 2 haploidentical spleen cells all suffered from aGVHD. The severity of aGVHD in recipient mice receiving G CSF mobilized splenocytes was dramatically reduced. (2) The aGVHD signs and histological change were observed in most mice of 2∶1 and 1∶1 MBMT groups. However, the survival time of G CSF mobilized MBMT groups was longer than in control groups ( P

BACKGROUND: Bone marrow necrosis has unspecific clinical features, which is often misdiagnosed or missed due to a lack of the knowledge of the disease. OBJECTIVE: To improve the awareness and vigilance to bone marrow necrosis, and to further explore the clinical manifestations, hematological characteristics, pathogenesis and treatment of bone marrow necrosis. METHODS: The bone marrow necrosis, hematologic neoplasms, solid tumor, bone marrow puncture, bone marrow pathology in Chinese and English served as the search terms to search articles related to bone marrow necrosis in PubMed and Wanfang databases, published from 1941 to 2016. Totally 43 articles were selected for review. RESULTS AND CONCLUSION: Bone marrow necrosis is a rare complication caused by various diseases, clinically characterized by bone pain, fever, anemia, and nucleated red cells and immature neutrophilic leukocytes in the blood smear. Bone marrow aspiration and/or bone marrow biopsy show(s) necrotic features. Its pathogenesis is complex, and it is still poorly understood and needs further research. There is no good treatment for bone marrow necrosis, and the prognosis is poor. Early correct diagnosis and etiological treatment are crucial for the prognosis of bone marrow necrosis.With the improvement of disease awareness, bone marrow cytology, genetics, MRI and hematopoietic stem cell transplantation, bone marrow necrosis is expected to get a better prognosis.

The clinical internship is an important transitional period for humanistic spirit cultivation of the medical students.But in this period there are some problems exposed.For example,there is the lack of transitional link in management; the clinical instruction doctors lack educational consciousness or guidance ability,the medical students pay little attention to enhancing the individual humanistic spirit level and there is a gap between theory and practice of humanistic spirit for them.Strengthening training for students,attaching importance to training,selection and incentive of clinical instruction doctors and revising handbook of clinical internship will help to solve the problems.

BACKGROUND: The principal deterrent to the success for hematopoietic stem cell transplantation (HSCT) is the complications after transplantation. The complications are associates with the conditioning regimens in the early stage. The highly-effective preparative regimens of proper dose and low-toxicity are the key to the successful HSCT.OBJECTIVE: To evaluate the curative effects and regimen related toxicity (RRT) of high-dose alkylating-agent-based chemotherapy as conditioning regimens for HSCT in the patients with hematological malignancies.DESIGN: Controlled study with observation.SETTING: Department of Hematology, Affiliated Hospital of Xuzhou Medical College.PARTICIPANTS: A total of 45 patients with leukemia and lymphoma hospitalized at Affiliated Hospital of Xuzhou Medical College from July 1997 to February 2006 were enrolled, including 31 males and 14 females. The median age was 31 years (from 7 to 52 years). The median course was 8 months (from 5 to 17 months) until transplantation.METHODS: Totally 45 patients with leukemia and lymphoma approached or got complete remission were treated by bone marrow transplantation and peripheral blood stem cell transplantation with preparative regimens of high-dose alkylating-agent-based chemotherapy. RRT was graded according to Bearman proposal, from grade 0 (no toxicity) to grade Ⅳ (fatal toxicity). The period of hematopoietic reconstitution, the rates of complete remission and relapse and disease-free survival were statistically observed in transplant recipients.MAIN OUTCOME MEASURES: Occurrence of RRT as conditioning regimens.RESULTS: ①Five patients did not show any toxicity. The greatest toxicity of grade Ⅲ was uncommon (13%, 6/45). Most of the cases with RRT were in grade Ⅰ - Ⅱ and severe oases in grade Ⅲ were rare. In grade Ⅰ - Ⅱ, stomatocace and gastrointestinal toxicity were common respectively of 73% (33/45) and 51% (23/45) which were recovered in short time after treatment; Heart toxicity was rare and only in grade Ⅰ, most of which were tachyoardia and changes of ST-T shape. The increase of transaminase was common in the clinical manifestations of liver RRT except two cases of HVOD.There were four oases of HC, in which one was delayed. RRT on kidney, lungs and CNS was uncommon. ②Totally 43 patients engrafted gained hematopoietic reconstitution, 2 patients died of implant failure (4%). Within the median follow-up period of 37 (8-102) months, 10 patients relapsed, 5 patients died of transplantation-related complications and 28 patients were alive in a disease-free situation (62.2%). The cause of death within 100 days after transplantation was ordinal as acute graft-versus-host disease (GVHD), cytomegalovirus (CMV) interstitial pneumonia, disseminated infections,multiple organ failure and early relapses.CONCLUSION: Alkylating-agent-based conditioning regimens may be well tolerated with low toxicities for HSCT in leukemia and lymphoma.

Objective To compare the levels of the serum pepsinogen (PG) in the gastric diseases, and explore the diagnostic value in gastric diseases. Methods Two hundred and fourteen patients who had undergone endoscopy were selected, and the patients were divided into 3 groups according to the results of endoscope pathological diagnosis:chronic superficial gastritis (CSG) group ( 70 cases), chronic atrophic gastritis (CAG) group (86 cases) and gastric cancer (GC) group (58 cases). The quantitative chemiluminescence method was used to test serum PGⅠand PGⅡ, and the PGⅠ/PGⅡratio (PGR) was calculated. Results The PGⅠin GC group was significantly higher than that in CAG group: (78.41 ± 55.42) μg/L vs. (53.10 ± 30.08) μg/L, and there was statistical difference (P<0.05). There was no statistical difference in PGⅠbetween GC group and CSG group (P>0.05). The PGⅡin GC group was significantly higher than that in CAG group and CSG group: (23.26 ± 17.80) μg/L vs. (13.12 ± 10.23) and (13.78 ± 9.26) μg/L, the PGR was significantly lower than that in CAG group and CSG group:3.67±2.03 vs. 4.88 ± 1.82 and 5.24 ± 1.88, and there were statistical differences (P<0.05). Helicobacter pylori (Hp) was detected in 165 patients, with positive in 29 cases (Hp positive group) and negative in 136 cases (Hp negative group). There was no statistical difference in PG Ⅰ between Hp negative group an Hp positive group:(60.46 ± 45.49)μg/L vs. (72.41 ± 31.85)μg/L, P>0.05. The PGⅡin Hp positive group was significantly higher than that in Hp negative group: (19.58 ± 1.57) μg/L vs. (14.09 ± 13.21) μg/L, the PGR was significantly lower than that in Hp negative group: 3.82 ± 0.18 vs. 4.99 ± 0.18, and there were statistical differences (P<0.05). Conclusions Compared with that in the CSG and CAG patients, the PG Ⅱ in GC patients increases significantly, while PGR descends significantly, but PG Ⅰ has no correlation with the risk of GC. The PG Ⅱ combined with PGR can predict people with high risk of GC, and help with the judgment of Hp infection.