Pathological myopia can induce choroidal neovascularization (PM-CNV).The potential risk factors include ageing,long axial length of the eyeball,thinning of subfoveal choroidal thickness,fundus atrophy spot and lacquer crack.These factors may induce atrophy of retinal pigment epithelial cells (RPE) and hypoxia,resulting in vascular endothelial growth factors (VEGF) secretion by outer retina.The lesion type,location and activity of PM-CNV can be determined by fundus fluorescein angiography.The features of PM-CNV on optical coherence tomography include strong reflective area close to RPE with very small amount of subretinal fluid (active stage),surface strong reflection with signal attenuation area (scar stage) and flat lesion and chorioretinal atrophy (atrophy stage).Photodynamic therapy and intravitreal injection of anti-VEGF drugs are major treatments for PM-CNV,the latter is more commonly used now.However,more large randomized controlled studies are required to explore the treatment regimen (such as frequency,indications for repeated or termination of treatment) and the efficacy factors further.

Objective To investigate the alteration of urotensin Ⅱ in plasma of acute lung injury(ALI)rats,which affected by the urotensin Ⅱ receptor antagonist(URA),and to study the function of URA to ALI.Methods Forty-two Sprague Dawley(SD)rats were divided into two groups randomly,with each containing 21 rats.All rats were injected with oleic acid for ALI models.G1 as ALI model group,the other group was injected with URA as experiment group(G2).2 ml blood was drawn in 3,12,24 hours after injection,with each time blood being drawn in seven rats of each group.Plasma was separated from the blood.Keep plasma in-80℃ to be detected.Results The concentration of UⅡ of G1 in 3,12,24hours was(105.57?9.52)pg/ml,(119.30?8.30)pg/ml,(133.33?9.65)pg/ml,respectively;and(133.65?8.89)pg/ml,(131.99?9.80)pg/ml,(114.03?9.12)pg/ml in the same time of G2.With the time going on,the plasma concentration of UⅡwas significantly increased(P

Objective To observe the efficacy of palace production technique of Puerpera with gestational hypertension by ropivacaine combined with sufentanil and epidural anesthesia.Methods77 cases with hypertensive disorders in pregnancy from January 2014 to January 2015 hypertensive, 39 cases were randomly divided into observation group and the control group of 38 patients, the control group received ropivacaine anesthesia, the observation group received ropivacaine combined with sufentanil and epidural anesthesia, observed two groups of mothers onset time of anesthesia, operative time, pain duration, neonatal apgar score, postoperative pain scores and adverse reactions.ResultsThe onset time of anesthesia, analgesia duration, and postoperative pain scores were significantly better than the control group, the difference was significant (P<0.05);two groups of mothers in the operation time, score and adverse neonatal apgar, the total incidence the difference was not statistically significant.ConclusionRopivacaine combined with sufentanil CSEA anesthesia for hypertensive disorders in pregnancy cesarean exact effect is better than alone ropivacaine spinal anesthesia program, and no obvious side effects and is worthy of further promotion and application.

Objective Through epidemiological analysis of prehospital trauma care in Guangzhou during 1996～2004,to explore common characteristics and trends of it.Methods The data of the prehospital trauma patient were collected by Guangzhou First Aid Service Command Center from 1996 to 2004 and was prospectively analyzed. Results The number of prehospital care had been increased year by year(increased by 3.56 times in the nine years).The number of the trauma patients had been increased by 7.98 times.Head injury was in the first place(6.86%). Most of casualties fell into the age of 21～40 years old.The male patients were the two times that of female patients.Conclusion Trauma has become an serious problem. The improvement of prehospital emergency network, ability of on-the-spot emergency care and popularizing the knowledge of emergency are key to reduce the casualties.

To explore the relations of Morphology Immnuophe-notype Cytogenetics Molecular biology(MICM) detection on diagnosis andtreat,emt of leukemia． Methods: 68 cases of leukemia patients had beenanalyzed by morphology(FAB)． Immunohistochemistry(Flow Cytometry, FCM)． chromosome G banding technique and dual-color fluorescence insitu hybridization (D-FISH)．Technique:All patients were treated bychemotherapy． T test and X2 test of significance． Results: 7 cases have acute leukema aberration antigen expression． 5 out of 47 cases acutemyeliod leukemia patients accompany lymhocytic interrelated antigenexpression． 2/l5 cases acute lymphoid leukemia accompany myelocyteinterrelated antigen expression． 2 cases acute lmphoid leukemia are T cell and B cell interrelated antigen mingle expression． had been examined46,XY,t(8,2l) translocation of chromosome and bcr/abl fusion genes inthe acute leukemia patients． 16 out of 20 chronic myeloid leukemia patientshad philadelphia chromosome． 7 out of 20 patients had complicate karyotype． 5 out of 20 patients had bcr/abl fusion gene, l out of 4 patient had bcr/abl fusion gene that Ph chro mosome showed negative in CML． 3/4 cases patients had complicate chromosome． The ratio of CR use l time chemotherapy and the total ratio of CR using 2 times chemotherapywith aberration antigen expression in acute leukemia was significantly lessthan those of the acute leukemia patient had single system antigenexpression(P<0.05)． The time of CML-BC with complicate c hromosome karyotype was significantly short than those of Ph showed negative in CML(P<0.05)． Conclusion: The MICM classification is more acc urate for diagnosis of leukemia and more significant in guiding the leukemiatreamen．

Objective To investigate the effect of neoadjuvant chemotherapy on EC50 of propofol given by TCI which produces loss of consciousness (LOC) in breast cancer patients.Methods Ninety ASA Ⅰ or Ⅱ breast cancer patients aged 30-60 yr scheduled for elective surgery were allocated into 3 groups according to the chemotherapy the patients received (n=30 each):group Ⅰ control (group C) received no chemotherapy;group Ⅱ taxol and group Ⅲ adriamycine+cyclophosphamide+5-Fu.The patients were unpremedicated.The EC50 of propofol given by TCI was determined by up-and-down technique.The initial effect-site concentration (Ce) of propofol was 2.07μg/ml and the ratio between the 2 successive Ce was 1.09.Loss of response to verbal command and eyelash stimulation was used as sighs of LOC.The EC50 of propofol was calculated.Results The EC50 of propofol causing LOC was significantly lower in group Ⅱ and Ⅲ than in control group.There was no significant difference in the EC50 of propofol which produces LOC between group Ⅱ and Ⅲ.Conclusion The EC50 of propofol causing LOC in breast cancerpatients is decreased by adjuvant chemotherapy.

Objective To study the difference between the metabolic syndrome(MS)diagnosis made with International Diabetes Federation(IDF)worldwide definition and the Adult Treatment Panel Ⅲ (ATPⅢ)of National Cholesterol Education Program(NCEP).Methods Cross-sectional study and descriptive study were used.Results There were 1328 MS patients diagnosed with IDF and 1527 MS patients diagnosed with ATPⅢ.There were 199 MS patients diagnosed with ATPⅢbut not with IDF and these MS patients all had 3-4 risk factors.According to the abnormality of glucose.blood pressure and lipid regulation stated in ATPⅢ criteria.759 more patients were diagnosed as MS than with IDF criteria.Conclusions MS diagnosed with ATP Ⅲ criteria iS more objective than with IDF criteria and ATPⅢ criteria has more space for further theoretical study.

Objective To investigate the effect of glucocorticoid on rat lung in a rat model of oleic acid-induced acute respiratory distress syndrome(ARDS)lung injury. Methods Sixty SPF level of healthy male Wistar rats were randomly divided into normal control group(group A),oleic acid model group(group B)and oleic acid and Methylprednisolone group(group C),and each group with 20 cases rats. ARDS model rats were established by injection with oleic acid(0. 14 ml/ kg)intravenously. Twelve hours after injection,aterial blood was drawn for blood gas analysis of blood oxygen partial pressure in order to confirm that acute lung injury model was successful. Then the rats in group C were treated with injection of Methylprednisolone( 4 mg/ kg) intravenously,once a day,from the 1st to 7th day. The rats in A and B groups were given saline(4 ml/ kg). Five rats in each group were randomly sacrificed on the1st,7th,14th,28th day respectively. The left lung of all rats was underwent bronchoalveolar lavage after weighed. Bronchoalveolar lavage fluid( BALF)were obtained for detection of procollagen III(PCⅢ)concentrations with enzyme-linked immunosorbent assay( ELISA). Right lobe of lung specimens was used for histopathological examination. Results Compared with the group A,PaO2 in group B and C were decreased significantly(P < 0. 01),but there was no significant difference between group B and group C(P > 0. 05). The levels of PCⅢ concentrations of BALF in Group A,B and C group were(30. 61 ± 0. 52)μg/ L,(30. 14 ± 0. 41)μg/ L and(30. 71 ± 0. 74)μg/ L respectively on the first day,(29. 15 ± 0. 17)μg/ L,(34. 35 ± 0. 73)μg/ L and(31. 72 ± 0. 46)μg/ L respectively at the 7th day,(30. 23 ± 0. 41)μg/ L, (38. 61 ± 1. 21)μg/ L and(33. 32 ± 0. 57)μg/ L respectively at 14th day and(31. 12 ± 0. 22)μg/ L,(37. 53 ± 2. 46)μg/ L and(34. 45 ± 0. 27)μg/ L respectively at 28th day. Levels of PCⅢ concentrations of BALF at 7th, 14th and 28th day time point in group B and C were decreased in comparison of A group(P < 0. 05),and there was significant difference between B and C group(P < 0. 01). Conclusion A treatment with Methylprednisolone may be useful in inhibiting pulmonary fibrosis in the process of ARDS in rats.

Objective To investigate the influence of neoadjuvant chemotherapy on the occurrence of postoperative nausea and vomiting ( PONV) after radical mastectomy. Methods A total of 286 breast cancer patients, aged 18-60 yr, of American Society of Anesthesiologists physical status Ⅰ or Ⅱ, scheduled for elective modified radical mastectomy under general anesthesia in our hospital, were divided into either non?chemotherapy group ( n=106 ) or neoadjuvent chemotherapy group ( n=180 ) . General anesthesia was induced with iv propofol 2 mg∕kg, rocuronium 0. 6 mg∕kg and sufentanil 0. 2 μg∕kg. The patients were endotracheally intubated. The concentration of sevoflurane inhaled was adjusted according to the value of bispectral index, and bispectral index value was maintain at 40-50. Ondansetron 8 mg and flurbiprofen axetil 100 mg were injected intravenously at 30 min before the end of surgery. If vomiting occurred for 2 consecutive times, and continuous nausea and vomiting appeared from the time point after extubation to 24 h after surgery, and the patients required treatment, rescue medication was used. The occurrence and severity of PONVwithin 24 h after surgery and requirement for rescue medication were recorded. Results Compared with non?chemotherapy group, the incidence of PONV within 24 h after surgery and requirement for rescue medication were significantly increased, and the severity of PONV was aggravated in neoadjuvent chemotherapy group (P<0.05). Conclusion Neoadjuvant chemotherapy before surgery can increase the risk and severity of PONV after modified radical mastectomy.

Objective To explore the efficacy and the safety of oxycodone hydrochloride injection in the induction and maintenance of general anesthesia in breast cancer patients.Methods A total of 200 female patients,aged 25-65 years,ASA physical status Ⅰ or Ⅱ,scheduled for elective breast-conservative surgery,were randomly divided into 2 groups (n=100 each): oxycodone hydrochloride group (group O) and sufentanil group (group S).Oxycodone 0.2 mg/kg (group O) or sufentanil 0.2 μg/kg (group S) with propofol 2 mg/kg and cisatracurium 0.15 mg/kg were administered intravenously for general anesthesia induction.Propofol target-controlled infusion combined with remifentanil were used for maintenance of general anesthesia during the operation.Anesthesia time,awake time,extubation time,total consumption of propofol and remifentanil were recorded.The adverse events and VAS scores after surgery were observed.Results There was no significant difference between groups in anesthesia time,awake time,extubation time,consumption of propofol and remifentanil.Compared with group S,group O had lower VAS score at 2 h after surgery (P<0.05),but with no significant difference at other time points.There was no significant difference at the incidence of moderate pain between group.The incidence of dizziness was 18% in both groups.The incidence of nausea was 11 (11%) in group S and 9 (9%) in group O with no significant difference.Conclusion Taken together,oxycodone hydrochloride used for general anesthesia in breast cancer patient is practicable.