Objective To investigate and compare the clinical feature and natural course of polycythemia vera(PV)between Uygur and Han nationalities in Xinjiang Uygur Autonomous Region.Methods Clinical symptoms,signs,laboratory tests and prognosis of 37(20 Han,13 Uygur,4 other nationalities)patients with PV were analyzed.Results There were 22 males and 15 female.The mean age of all patients was 59.41±11.31(31-85)years old.The mean hemoglobulin level was(191.11±21.41)g/L.Erythremia combined with leukocytosis or thromboeytosis were observed in 23(62.2%)or 19(51.4%)patients respectively.Splenomegaly was found in 27(73.0%)patients and hepatomegaly in 9(24.3%).Serum LDH was elevated in 28(75.7%)patients.Twenty two patients(59.5%)had vascular thrombotic events.Two patients developed MF.N0 secondary neoplasm was identified.Two patients died of thrombosis.Over 60 years old,leukocytosis and thrombocytosis were the high risk factors associated with thrombosis.No significant differences of clinical manifestations and thrombotic events have been found between Uygur and Han patients in Xinjiang.Conclusion Over 60 years old,leukocytosis and thromboeytosis were probably the high risk factors of thrombosis in PV patients.There was no significant differenee in clinical feature and natural course of PV between Uygur and Han nationalities in Xinjiang Uygur Autonomous Region.

Objective To investigate the effects of simvastatin pretreatment on ischemia-reperfusion (I/R)injury to the spinal cord in rats. Methods Ninety-six healthy male SD rats weighing 220-280 g were randomly divided into 3 groups (n=32 each): Ⅰ group sham operation (group S); Ⅱ group I/R and Ⅲ group simvastatin pretreatment (group Si). The animals were anesthetized with 10% chloral hydrate 0.4 ml/100g. I/R to the spinal cord was induced by cross-clamping the aorta below renal artery for 45 min followed by reperfusion according to Zivin in group Ⅱ and Ⅲ. In group Ⅲ simvastatin 20 mg/kg was administered via gastric tube in the morning for 3 days before operation. Neurological function was assessed and scored (0 = no spontaneous movement of the hindlimbs, 7 = normal gait) at 2, 6, 12 and 24 h (n = 8 at each time point). The animals were then sacrificed and the lumbar segment (L2-5) of the spinal cord was removed for microscopic examination and determination of expression of TLR4 mRNA, NF-κB protein activity and TNF-α and ICAM-1 contents in the spinal cord. Results I/R to the spinal cord significantly increased TLR4 mRNA expression, NF-κB protein activity and TNF-α and ICAM-1 content in the spinal cord and decreased neurological scores in group Ⅱ compared with group C. Simvastatin pretreatment significantly attenuated the I/R-induced increase in the above-mentioned variables and ameliorated I/R-induced neurological dificit and histopathological damage. Conclusion Simvastatin pretreatment has neuroprotective effects on the spinal cord against I/R injury by attenuating inflammatory response.

Objective To explore the substantial results of using comprehensive practical teaching mode and holistic nursing thinking method in the course of teaching fundamentals of nursing science,and then improve the vocational quality and ability of nursing students.Methods Randomly determined two classes as objectives: experiment class and control class.control class was adopt traditional practical teaching mode,experiment class was adopt comprehensive practical teaching mode in small community.Results Ability of standard operation,communication and knowledge were significant higher in experiment class than those of in control class.Conclusions Comprehensive practical teaching mode in small community has actual significance for strengthen the comprehendsive ability of nursing students.

Objective Study the ideal drug to treat age depen de nt epileptic ncephalopathy (ADEE) in earlier period. Methods fi fty-four patients with ADEE were studyed.21 cases used with single topiramate(T PM) as initial treatment and 27 cases used with TPM and antiepileptic drug(AEDs ) .Results Seizure was fully controlled in 11 patients with TPM m onotherapy and in 4 patients with TPM as adjunction.The differences was signif icant(P

Objective To study the expression of the fused proteasome activator REGγ(11S regulator complex gamma subunit) using gene recombination technology and to further study the interaction between REGγ and casein kinase-2 interacting protein-1(CKIP-1)in vitro.Methods Firstly, the full length cDNA fragment of REGγ was amplified through PCR using the plasmid pCMV-Myc-REGγ as template and subcloned into the prokaryotic expression vector pGEX-4T-2 before being transformed into E.coli BL21 cells. The protein expression was induced by isopropyl-β-D-thiogalactoside(IPTG) .Secondly, the protein expression was monitored by SDS-PAGE and Western blotting after ultrasonication. Finally, the GST Pull-down assay was performed to investigate the interaction between REGγ and CKIP-1 in vitro.Results The prokaryotic expression construct pGEX-4T-2-REGγ was generated successfully and confirmed by DNA sequencing. Expression analysis showed that the GST-REGγ protein was easily expressed and isolated mainly in the lysate supernatant after sonication and centrifugation. The GST Pull-down assay revealed the strong mutual interaction between REGγ and CKIP-1 in vitro.Conclusion The proteasome activator REGγ could interact with the negative regulator of osteoblastogenesis CKIP-1 in vitro and the current study has shed light on further investigations of their physiological relevance.

AIM:To observe the effect of fresh amniotic membrane transplantation ( FAMT) in acute ocular chemical burns.
●METHODS:A prospective study of 25 consecutive cases (36 eyes) with acute ocular chemical burns were treated with FAMT. The clinical efficacy was observed such as the time of amniotic membrane absorbed, corneal epithelialization & transparency, visual acuities and complications.
●RESULTS: With follow-up ranged from 3 to 6mo, 31 eyes′ amniotic membrane were dissolved in 2wk (86%). A total of 33 eyes showed corneal epithelialization in 4wk ( 92%) , 3 eyes showed persistent corneal epithelial defects and need secondary limbal stem cell transplantation or corneal transplantation ( 8%) . A total of 10 eyes showed superficial corneal vascularization (28%), 6 eyes′ cornea were opacity in part (17%), and one eye was symblepharon (3%).
●CONCLUSION:Early FAMT is an effective treatment in the management of acute ocular chemical burns to support epithelial healing, restore ocular surface integrity with potential to improve vision and reduce the incidence of complications. Furthermore, FAMT has advantages of easily obtain and convenient usage, which is suitable in local hospital of our country.

Objective To investigate the risk factors of acute kidney injury following coronary artery bypass graft(CABG).Methods Twenty-six patients suffering from acute kidney injury following CABG as the patient group and 59 individuals without impairment of renal function as the control from January 2008 to September 2012 in the First People's Hospital of Yichang according to a retrospective case-control study and nonconditional multivariable Logistic regression analysis method..Results Among the 85 patients undergoing CABG,26 suffered acute kidney injury following CABG with a morbidity rate of 30.59％.Identified risk factors for acute kidney injury following CABG included pre-operative mederale-sever cardiac insufficiency,prolonged mechanical ventilation,prolonged stay in ICU and anemia before surgery.The identified independent risk factor of acute kidney injury following CABG was pre-operative mederale-sever cardiac insufficiency (OR =3.206,95％ CI:1.067-9.631).Condusion Pre-operative mederale-sever cardiac insufficiency was an independent risk factor of acute kidney injury following CABG.

Objective: To observe the effects of electroacupuncture on the histopathological changes and serum indexes of rats' liver, and to investigate the mechanism of electroacupuncture in treating hepatic fibrosis of rats. Methods: The rat model of hepatic fibrosis was induced with carbon tetrachloride. Then, the rats were divided into electroacupuncture group, medicine group, and model group. The collagen of liver, and serum hyaluronic acid (HA), laminin (LN), procollagen (PⅢNP), and collagen Ⅳ (C-Ⅳ) were detected with morphologic methods and radioimmunoassay. Results: Compared with normal rats, the collagen was hyperplasia in the liver tissue, and the contents of the serum HA, LN, and PⅢ NP were higher in the model group. The collagen area of liver tissue, and the contents of the serum HA, and LN were lower in rats treated with electroacupuncture than model rats. The contents of serum of PⅢ NP, and C-Ⅳ changed little. Conclusion: Electroacupuncture had some effects of prevention and treatment, and the mechanism may relate to the effects of electroacupuncture in protecting liver cells, inhibiting synthesis of extracellular matrix, and promoting the breakup of collagen.

Objective: To investigate the relationships between constitutional types of traditional Chinese medicine (TCM) and motion sickness. Methods: A survey of TCM constitutions in ocean sailors participating in a voyage was performed by using the TCM Constitution Questionnaire developed by Beijing University of Traditional Chinese Medicine, while the survey of motion sickness was operated by Graybiel's diagnostic criteria. The incidences of motion sickness among sailors with different types of constitutions were compared. Results: Prior to the voyage, 50.3% of sailors exhibited a gentleness constitution, 14.5% were of dampness-heat constitution, 10.3% were of qi-stagnation constitution, whereas the percentages of qi-deficiency, yang-deficiency, yin-deficiency, blood-stasis and special diathesis constitutions were 6.2%, 7.6%, 6.2%, 4.1% and 0.7%, respectively. None exhibited a phlegm-dampness constitution. By the end of the 176-day voyage, the percentages of gentleness, dampness-heat, qi-depression, qi-deficiency, yang-deficiency, yin-deficiency, blood-stasis, special diathesis and phlegm-dampness constitutions were 33.8%, 13.8%, 13.1%, 11.0%, 6.9%, 9.7%, 4.1%, 0.7% and 6.9%, respectively. The incidence of motion sickness was 69.7% (101 sailors) during this voyage. The incidences of motion sickness among sailors with different types of constitutions before the voyage showed significant difference (P<0.001). The incidence of motion sickness was higher in the sailors with dampness-heat constitution than in those with gentleness constitution. Conclusion: Types of Chinese medical constitution can be related to susceptibility to motion sickness. Furthermore, ocean voyage may have an effect or influence on the type of Chinese medical constitution of sailors involved.

Objective To discuss the reoperation method for recurrent pituitary apoplexy after the successful initial transnasal-sphenoidal surgery.Methods Twenty-one patients with pituitary apoplexy were found recurrence after previous tumor resection via transsphenoidal surgery in 9 months to 5 years.In the reoperation,transsphenoidal approach would be still used.The anterior wall of sphenoid sinus and the sellar floor were located accurately,and then the remnants of them were removed as large as possible to expand the range of bone window.Next,the intrasellar hematoma was cleared away gently,and the residual tumor was removed progressively and thoroughly to make sure the sellar diaphragm subsiding fully and finally removed the whole tumor.Results Most of recurrent tumors were found to be of soft texture with rich blood supply,and 17 cases were still apoplexy.In 18 cases of the 21 patients,total resection was achieved.However,for the other 3 cases with tumor aggressive growth,only massive resection was achieved,and underwent stereotactic radiosurgery postoperatively.Postoperative clinical symptoms were alleviated in 15 cases,whose hormones were also decreased.Temporary diabetes insipidus and hypopituitarism appeared in 5 and 3 cases respectively,but all of these postoperative complications were relieved after symptomatic treatment.Two cases of intraoperative cerebrospinal fluid leakage were resolved by packing the cavity with muscle and fat flaps.All cases were followed up for 3 months- 5 years,residual tumor enlarged in only 1 case of massive resection,which umderwent transsphenoidal surgery for the third time,no other cases recurred.Conclusion Operation via the transsphenoidal approach of recurrent pituitary apoplexy after successful initial transsphenoidal surgery could achieve high total resection rate.While the accurate locating,full expansion of the saddle bone window,and repeatedly scraping the apoplexy tumor to get a full subsidence for the sellar diaphragm,are the key points to remove tumors totally as well as to improve the symptoms.