Effect of anti-vascular endothelial growth factor therapy on intraocular inflammatory cytokine levels in the treatment of proliferative diabetic retinopathy / 国际眼科杂志(Guoji Yanke Zazhi)

AIM: To explore the effects of anti-vascular endothelial growth factor(VEGF)agents(Conbercept)before pars plana vitrectomy(PPV)on inflammatory cytokine levels of patients with proliferative diabetic retinopathy(PDR).METHODS: A total of 49 patients(49 eyes)who diagnosed with PDR at the First Affiliated Hospital with Nanjing Medical University from June 2017 to January 2018 were recruited and randomly divided into two groups. A total of 25 cases(25 eyes)who did not receive intravitreal injection before PPV were included in no-intravitreal injection of Conbercept(IVC)group, and 24 cases(24 eyes)who received IVC 5～7d before PPV were included in IVC group. The vitreous samples were collected from all the patients at the start of PPV. Levels of VEGF-A, monocyte chemotactic protein-1(MCP-1)and inflammatory cytokines in the vitreous humor were measured using Luminex technology.RESULTS: Compared with the no-IVC group, the level of VEGF-A decreased significantly(P<0.001), the concentration of IL-6(P=0.004), IL-8(P=0.002), IL-18(P=0.04)and TNF-α(P=0.03)increased remarkably in the IVC group. The other inflammatory cytokines in the vitreous humor showed no significant difference between the IVC and no-IVC groups.CONCLUSION: IVC before PPV can effectively decrease the concentration of VEGF-A, but had limited influence on the level of inflammatory cytokines in the vitreous humor of patients with PDR.

Clinical discipline-oriented teaching reform on laboratory diagnostics and its effect evaluation / 中华医学教育探索杂志

Objective:To explore a clinical discipline-oriented teaching model for laboratory diagnostics and evaluate its effect in medical education.Methods:changed the arrangement of traditional teaching content, re-edited the content of the teaching materials under the guidance of clinical subjects, compiled innovative textbooks and introduced new teaching methods such as CBL and PBL. The procedure could be briefly described below. 78 students from two natural classes in batch 2015 were selected as the observation group, and 77 students from other two natural classes were selected as the control group. The new teaching model and traditional teaching model were applied respectively in the students to compare the teaching effect in the way of formative evaluation.Results:The total score of theoretical exams in the observation group was significantly higher than that of control group ( P<0.01). It was found that the scores of the observation group were significantly higher than of the control group in terms of practical techniques, clinical application type and the selection and evaluation of test items ( P<0.01). However, there was no significant difference in terms of the scores of basic knowledge and theory between the observation group and the control group ( P=0.470). Conclusion:The clinical discipline-oriented teaching method of laboratory diagnostics can promote the students in the assessment of applied and improved knowledge as well as the selection and evaluation of clinical disease examination items, which is helpful to cultivate students' clinical thinking ability, and the ability to reasonably select the test items and analyze the test results scientifically.

Transposition of internal limiting membrane with a non - inverted flap technique for large macular hole / 国际眼科杂志(Guoji Yanke Zazhi)

·AIM:To explore the effectiveness of a new non-inverted pedicle internal limiting membrane ( ILM ) flap transposition technique in the treatment of large macular holes (MH). ·METHODS: This was a prospective pilot study which included 9 patients with 10 eyes in Jiangsu Province People's Hospital from December 2016 to February 2017. All patients was diagnosed with large MH (size >400μ m) by the spectra- domain optical coherence tomography (SD-OCT) and underwent the non-inverted pedicle ILM flap transposition surgery. Best-corrected visual acuity (BCVA), SD-OCT images, and MP-1 microperimetry tests were performed pre-operation, 1d, 1wk, 1, 3, and 6mo post-operation. ·RESULTS:The macular hole closure rate after 6mo was 100%. The averaged BCVA improved from 1. 19 ± 0. 54 (LogMAR) pre-operation to 0.70 ± 0.50 (LogMAR) post-operation (P=0.005). The mean retinal sensitivity within 8° and 2° improved from 3.14±4.52dB to 8.91±5.53dB(P=0.008), and 1.46 ± 2.94dB to 6.33 ± 4.90dB (P=0.008) respectively. Preoperative unstable fixation in seven eyes resolved at the last postoperative follow-up.·CONCLUSION: Our non-inverted pedicle internal ILM flap transposition technique shows effectiveness in the treatment of large macular holes with high MH closure rate and improving visual function.

Effect of heat exposure in the second trimester of pregnancy on intrauterine growth of fatal rat and the expression of HSP70, Bax and Bcl-2 of placenta / 南方医科大学学报

<p><b>OBJECTIVE</b>To investigate the effect of heat exposure during the second week of pregnancy on placental development and intrauterine growth of fetal rats.</p><p><b>METHODS</b>24 pregnant rats were either exposed or not to a temperature of 35∓1 degrees celsius; during the second week of pregnancy. The body weight gain of the pregnant rats was measured regularly, and in late pregnancy, the pregnant rats were dissected and the number, weight, length, tail length, appearance of the offspring rats, number of live and still births, and the placental weight were recorded. The expressions of HSP70, Bax and Bcl-2 in the placenta were determined.</p><p><b>RESULTS</b>Compared with the control group, the pregnant rats in heat exposure group had significantly lower body weight at the end of pregnancy and gestational weight gain, and the body weight, body length and tail length of the offspring rats were also significantly lower or smaller (P<0.05). The placental weight was comparable between the two groups. The placental expressions of HSP70,Bax,and Bcl-2 were significantly higher in the heat exposure group than in the control group (P<0.05).</p><p><b>CONCLUSION</b>Heat exposure during the second trimester of pregnancy has adverse effects on placental development and intrauterine growth of the fetal rats by inducing heat shock response of placental tissue and apoptosis of the placental cells.</p>

Effect of moxibustion combined with autohemotherapy of acupoint injection for life quality of allergic rhinitis withdeficiency of lung and spleen:a randomized controlled trial / 中国针灸

<p><b>OBJECTIVE</b>To observe the effects of moxibustion combined with autohemotherapy of acupoint injection and simple moxibustion for allergic rhinitis(AR) withdeficiency of lung and spleen and to explore its mechanism.</p><p><b>METHODS</b>By random number table,75 patients who matched the criteria were assigned into a moxibustion combined with autohemotherapy of acupoint injection group(a combination group,37 cases) and a moxibustion group(38 cases). In the combination group,moxibustion was used at bilateral Yingxiang(LI 20) and injection bila-teral Feishu(BL 13),Pishu(BL 20) and Zusanli(ST 36). In the moxibustion group,moxibustion was applied bilaterally at all the above acupoints. Acupoint injection was given twice a week,and moxibustion once a day,seven days as a course. The patients were observed for four courses and followed up half a year after treatment. Rhinoconjunctivitis quality of life questionnaire(RQLQ) was compared before and after treatment and at follow-up. The short-term and long-term effects as well as the changes of interferon-(IFN-),interleukin-4(IL-4) and immunoglobulin E(IgE) were observed in the two group.</p><p><b>RESULTS</b>After treatment,the obviously effective rate of the combination group was 75.68%(28/37),which was higher than 52.63%(20/38) of the moxibustion group(<0.05). But at follow-up, the obviously effective rate of the moxibustion group was 47.37%(18/38),which was better than 24.32%(9/37) of the combination group(<0.05). Life quality of the two group in all aspects after treatment and at follow-up were apparently improved compared with the baseline(<0.01,<0.05). After treatment,the life quality,sleep condition,non nasal-eye symptoms,behavior issue of the combination group were superior to those of the moxibustion group(all<0.05),and at follow-up,the above outcomes,the eye and nasal symptoms as well as emotional response of the mo-xibustion group were better(all<0.05). There was statistical significance in the two group about serum IFN-,IgE,IL-4 before and after treatment(<0.01,<0.05),and significance existed between the two groups(<0.05).</p><p><b>CONCLUSIONS</b>Moxibustion combined with autohemotherapy of acupoint injection can effectively improve the short-term quality of life of AR withdeficiency of lung and spleen. The mechanism may be related to balancing the immune response of Th1 and Th2.</p>

Clinical effects of bronchoscope combined hot and cold ablation technique in benign and malignant tumors in the airway / 中国内镜杂志

Objective To analyze the clinical effects of bronchoscope combined with hot and cold ablation in treatment of benign and malignant tumors in primary tracheal and bronchial. Methods From January 2013 to November 2015, 30 cases of pathological types of primary tracheal / bronchial benign and malignant tumors patients include: 8 cases of hamartoma, 1 case of lipoma, 4 cases of granuloma, 1case of clear cell carcinoma, 7 cases of small cell lung cancer, 9 cases of squamous cell carcinoma, were treated by using carbon dioxide cryotherapy combined hot ablation under bronchoscope. Then investigated the outcomes. Results 30 patients, 22 males, 8 females, suffered from 1 month to 2 years, underwent surgery bronchoscope interventional treatment under local anesthesia combined with intravenous anesthesia, are taking joint cold ablation technique. All patients airway is completely opened, the lifting of the airway obstruction. Including 19 cases of disposable surgical removal of the lesion; 8 cases of lesions due to wide distribution, 2 times surgery; three cases three times surgery, no serious complications, follow-up without recurrence, blood gas analysis and dyspnea index were significantly improved. Conclusion Bronchoscope cold joint ablation techniques in the treatment of primary tracheal, bronchial benign and malignant tumors is effective, simple, minimally invasive and safe.

In vitro activity of amikacin combined with the ingredient of coptis chinensis against multiple drug resistance of Escherichia coli / 天津医药

Objective To observe the antibacterial effects of amikacin sulfate combined with the ingredient of coptis chinensis:the extract of coptis chinensis, berberine hydrochloride and palmatine hydrochloride on multiple drug resistance (MDR) of Escherichia coli (E.coli) in vitro. Methods One hundred strains of E.coli checked out from 2013 to 2014 that showed resistence to cefotaxime were selected, and in which MDR to bacteria were determined. The extended-spectrum β-lactamases (ESBLs)-producing by Kirby-Bauer test. The minimum inhibitory concentrations (MIC) of the extract of coptis chinensis, berberine hydrochloride, palmatine hydrochloride and amikacin sulfate on ESBLs-producing E.coli were determined firstly, and then the sterilization effects of amikacin sulfate combined with the other three medicines were observed by broth microdilution checkerboard method together with their fractional inhibitory concentrations (FIC), with ATCC 25922 for quality control strains. Results Ten MDR E.coli were screened and proved to be ESBLs-producing. The inhibitory effects were enhanced in a synergistic or additive pattern when amikacin sulfate combined with the extract of coptis chinensis, berberine hydrochloride on nine of the ten MDR E.coli in vitro, where the inhibitory effects were a synergistic or additive pattern when amikacin sulfate combined with palmatine hydrochloride on all of the MDR E.coli in vitro. Conclusion Palmatine hydrochloride or berberine hydrochloride or the extract of coptis chinensis combined with the amikacin sulfate has significant value in treatment of MDR E.coli, which is worthy of further study.

Significance of pleth variability index in predicting hypotension after epidural anesthesia for cesarean delivery / 实用医学杂志

Objective Onto investigate the significance of the pleth variability index (PVI) in predicting hypotension after epidural anesthesia for cesarean delivery. Methods Sixity seven pregnant women, with ASAⅠ~Ⅱ, aged 19 ~ 34 years, were enrolled for elective cesarean delivery. SBP, BDP, MAP, HR, PI and PVI were measured at 5 min after the parturients arrived in the operation room. SBP, BDP, MAP and HR were measured every 3 min after epidural anesthesia. According to the change rate of SDP or MAP was higher than 30% or not, the parturients were divided into two groups (the hypotension group and the non-hypotension group). Results No significant differences were found in parturients'age, body height, weight, BMI, gestational weeks, SDP, DBP, MAP and HR before anesthesia between two groups. The PVI in the hypotension group was significantly higher than that in the non-hypotension group (P<0.05). A receiver operator characteristic curve analysis showed the area under curve was 0.888 when PVI was used for boundary value. When PVI over 17.35 was used as the occurrence of hypotension, the sensitivity of PVI was 0.727, and specificity was 0.895. Conclusion PVI can be used to predict the occurrence of hypotension after epidural anesthesia for cesarean delivery.

IL-17A exacerbates diabetic retinopathy by impairing Müller cell function via Act1 signaling

Diabetic retinopathy (DR), one of the most serious complications of diabetes, has been associated with inflammatory processes. We have recently reported that interleukin (IL)-17A, a proinflammatory cytokine, is increased in the plasma of diabetic patients. Further investigation is required to clarify the role of IL-17A in DR. Ins2(Akita) (Akita) diabetic mice and high-glucose (HG)-treated primary Müller cells were used to mimic DR-like pathology. Diabetes induced retinal expression of IL-17A and IL-17 receptor A (IL-17RA) in Müller cells in contrast to ganglion cells. Further evidence demonstrated that retinal Müller cells cultured in vitro increased IL-17A and IL-17RA expression as well as IL-17A secretion in the HG condition. In both the HG-treated Müller cells and Akita mouse retina, the Act1/TRAF6/IKK/NF-κB signaling pathway was activated. IL-17A further enhanced inflammatory signaling activation, whereas Act1 knockdown or IKK inhibition blocked the downstream signaling activation by IL-17A. HG- and diabetes-induced Müller cell activation and dysfunction, as determined by increased glial fibrillary acidic protein, vascular endothelial growth factor and glutamate levels and decreased glutamine synthetase and excitatory amino acid transporter-1 expression, were exacerbated by IL-17A; however, they were alleviated by Act1 knockdown or IKK inhibition. In addition, IL-17A intravitreal injection aggravated diabetes-induced retinal vascular leukostasis, vascular leakage and ganglion cell apoptosis, whereas Act1 silencing or anti-IL-17A monoclonal antibody ameliorated the retinal vascular damage and neuronal cell apoptosis. These findings establish that IL-17A exacerbates DR-like pathology by the promotion of Müller cell functional impairment via Act1 signaling.

Protective effect ofα-mangostin on retinal light damage in mice / 国际眼科杂志(Guoji Yanke Zazhi)

AlM:To discuss the protective effect ofα-mangostin on retinal light damage in mice.METHODS:Totally 30 Balb/c mice, aged 6~8wk, were randomly divided into the control group, light-exposure group and α-mangostin group. Every group contained 10 mice. Mice of α-mangostin group were treated with alpha-mangostin at the dose of 30mg/( kg · d ) body weight by intragastric administration daily for 7d, and then exposed to white light at the 5th d. The light-exposure group and α-mangostin group were exposed to 5 000 ± 200lx white light-emmiting diodes (LEDs) for continuously 1h to establish the mice model of retinal light damage. Flash -electroretinograme was recorded 72h after light exposure. The changes in retinal morphology of mice were observed by light microscopy. Retinas were extracted to detect the malondialdhyde ( MDA ) content change of the retinal homogenate.RESULTS: Flash-electroretinogram ( F-ERG ) showed that retinal dysfunction was less severe in α-mangostin group than in light-exposure group ( P<0. 05 ). Light microscopy test showed that retina structural damage was less severe in α-mangostin group than in light-exposure group (P<0. 05). The level of MDA in retinal tissue of α-mangostin group was significantly lower when compared with light-exposure group (P<0. 05).CONCLUSlON: α-mangostin inhibits lipid peroxidation induced by light damage and protect retina against light damage.

Assessment of choroidal thickness of central serous chorioretinopathy by optical coherence tomography with enhanced depth imaging / 国际眼科杂志(Guoji Yanke Zazhi)

Abstract? AlM: To evaluate the meaning of using optical coherence tomography with enhanced depth imaging ( OCT-EDl ) to measure choroidal thickness of central serous retinopathy ( CSC) .?METHODS: With the retrospective case control study, 65 patients (65 eyes) with CSC and 50 healthy controls (50 eyes ) with age, gender and diopter - matched were recruited in this study. OCT-EDl were used to measure the subfoveal choroidal thickness ( SFCT ) in CSC eyes, the fellow eyes and also the control eyes. Of which 40 of the 65 CSC patients self-cured, 14 of them were treated with photodynamic therapy ( PDT ) , the left 11 accepted the laser photocoagulation ( LP ) . SFCT were measured 3mo after that. Compared with the previous data, the statistical analysis was carried out.?RESULTS: The SFCT value of 65 CSC eyes, 65 fellow eyes and 50 control eyes were 436. 23 ± 89. 50, 389. 45 ± 101. 03 and 329. 36 ± 95. 87μm, respectively. The SFCT of suffer and fellow eyes increased significantly compared to the control eyes ( P = 0. 008 and 0. 013, respectively). There was also significant difference in SFCT between the CSC eyes and the fellow eyes (P=0. 021). The SFCT were significantly decreased after PDT (P=0. 032), but with no significant changes after LP or self-cured ( P=0. 057 and 0. 076, respectively).?CONCLUSlON: OCT-EDl is a useful method to assess the choroidal topographic changes of CSC. The SFCT are significantly increased in the CSC eyes compared with that in the fellow eyes and the control eyes.

Studies on chemical compounds of Chlorella sorokiniana / 中国中药杂志

Chemical constituents of Chlorella sorokiniana were isolated and purified by repeated column chromatographies, over silicagel and Sephadex LH-20. Their structures were identified on the basis of physicochemical properties and spectroscopic data analysis. Five compounds were obtained from the petroleum ether extract of Chlorella sorokiniana, and their structures were identified as (22E, 24R)-5alpha, 3beta-epidioxiergosta-6, 22-dien-3beta-ol(1),(24S)-ergosta-7-en-3beta-ol(2), loliolide(3), stigmasta-7,22-dien-3beta,5alpha,6alpha-triol(4), and 3beta-hydroxy-5alpha,6alpha-epoxy-7-megastigmen-9-one(5). The main liposoluble fractions from Chlorella sorokiniana maiuly contain fatty acids, alkyl acids and olefine acids. Components 1-5 were isolated from the genus Chlorella for the first time.

Effect of low intensity white light irradiation on the retinas of mice / 国际眼科杂志(Guoji Yanke Zazhi)

AIM: To investigate the effect of low intensity white light irradiation on the retinas of mice. METHODS: Thirty C57BL/6J mice were randomly divided into two groups. The number of the mice in each group was 15. The mice in experimental group received dark adaptation from 5:00p. m. to 6:00p. m. , and then exposed to LED white light from 6:00p. m. to 7:00p. m. everyday for a month. At 1, 3, 7, 14 and 30d after the beginning, we examed the histology of mice retinas, calculated the thickness of outer nuclear layer ( ONL ) , inner nuclear layer ( INL ) and analyzed electrophysiology of mice. RESULTS:One month after experiment, compared to the control group, the latency of Rod-R a wave of the mice in experimental group significantly prolonged, the amplitude of Cone-R b wave of the mice in experimental group significantly decreased and the latency of b wave of the mice in experimental group significantly prolonged ( P CONCLUSION: 100lux low intensity white light could give rise to the impairment of the retinal functions in dark-adapted mice.

Recording method of mouse pattern electroretinogram / 中华实验眼科杂志

BackgroundMouse has been used in laboratory studies as the model of ocular diseases.Electroretinogram (ERG)is a non-invasive method for primary examination to evaluate retinal function.Though flash ERG has been widely applied in the mouse ocular disease model for the functional assessment of the retinal outer layer,pattern ERG(PERG) is seldom used for inner retinal evaluation.ObjeetiveThe present experimental study was to investigate the recording parameters and method,wave characteristics of PERG and influencing factors in mouse,and to build the foundation for further research.Methods Thirty C57BL/6 mice aged 6 weeks old were included in this research.RETLport ( Roland Consult,Germany) was adopted for the recording of PERG.The positive needle electrode was placed in the cornea,and the reference and earth electrodes were placed under the derma in the cheek and tail.The PERG under different temporal frequencies (0.5,1.0,2.0 and 4.0 Hz),and special frequencies (0.05,0.10,0.20 cpd) were recorded in a photopic environment,and different contrast ratio (95％ and 99％ ) of stimulator or different transmission bands ( 1-100 Hz,5-30 Hz) in the same temporal frequency and spatial frequency were regulated to analyze the influence on mouse PERG.The use of animals was in compliance to the Regulations for the Administration of Affairs Concerning Experimental Animals by the State Science and Technology Commission.ResultsThe latency of N1 PERG showed a negative N1wave at around 37 ms and positive P wave at about 86 ms in adult mice.The amplitude of N1-P was 2-6 μV.Different spatial frequency,temporal frequency and contrast can affect the final results,and the different temporal frequencies were statistically significant.The wave was stable and the amplitude was unaffected at 5-30 Hz transmission bands with pronounced interference (mean amplitude of N1-P waves were(3.40±0.71),(5.08±0.88),(3.21±1.54),(3.85±1.96)μV in 0.5,1.0,2.0,4.0 Hz,F=7.43,P=0.00).ConclusionsPERG wave from adult mouse is similar to that from human.It is a useful method in evaluating the inner retinal function.Appropriate stimulating parameters are critical for recording.

Uterine artery embolization for placenta increta / 中国基层医药

Objective To evaluate the efficacy of uterine artery embolization(UAE) in placenta increata.Methods 7 cases of placenta increta with haemorrhage were treated by UAE.4.0～5.0F Cobra was placed into the double uterine arteries for treatment.The gelfoam particles mixed with antibiotic drugs was used to embolise the arteries.Results Among all 7 cases the bleeding was successfully controlled by one time of UAE.The duration of operation was 40～55min,mean (48?7)min.Hemostasis time was 5～8min,mean (7?1)min.After the treatment of UAE,the lactation and the menastrual periods of all patients were normal.Conclusion UAE is an effective,safe treatment for placenta increta,with preserving patient's fertility.

Comparative review of life satisfaction,living quality and mood symptomatology between UK and Chinese patients with tetraplegia / 中国康复理论与实践

@#ObjectiveTo compare differences in life satisfaction, quality of life and mood between UK and Chinese tetraplegia patients after rehabilitation.MethodsThe sample consisted of 44 tetraplegics, 22 from UK and 22 from China, the survey about life satisfaction, quality of life, anxiety and depression was made and analyzed.ResultsPatients of UK group were significantly more satisfied with their situations of vocational and financial, and family life than that in Chinese group, and more active with their value of life, meaning of life and mood than that in Chinese group. No significant differences were identified between two groups in life as a whole, self care, leisure situation, sexual life, partnership relations, contact with friends and ratings of overall quality of life.ConclusionIt is very important to enhance the psychological adaptation of disability so as to improve the quality of life of the tetraplegics in China.

Analysis on therapeutic effect of Western and Chinese drug in treating intrahepatic cholestasis pregnancy / 中国中西医结合杂志

<p><b>OBJECTIVE</b>To evaluate the therapeutic effect of Yinchenghao decoction (YCHD) and S-adenosy-L-methionine (SAM) in treating intrahepatic cholestasis of pregnancy (ICP) and improving prognosis of perinatal newborn babies.</p><p><b>METHODS</b>Sixty in-patients of ICP were randomly divided into two groups, the group A treated with YCHD and the group B treated with SAM. The symptom of itching and serum biochemical indexes, including glycocholic acid, bilirubin and transaminase, were observed after 3 weeks treatment, and the prognosis of perinatal newborn babies between the two groups was compared after delivery.</p><p><b>RESULTS</b>After treatment, the symptom of itching, serum levels of glycocholic acid, bilirubin and transaminase improved significantly (P < 0.05) in both groups, and the prognosis of newborn in the two groups was similar (P > 0.05).</p><p><b>CONCLUSION</b>Both YCHD and SAM could effectively treat ICP. The former is rather cheaper, so it is more feasible for spreading.</p>