Objective To present the authors' initial experience of treating auricular arteriovenous malformations (AVMs) with ethanol embolization and to assess the clinical effectiveness of this therapeutic method. Methods Twenty-two patients with AVMs were enrolled in this study. Through local puncturing or super-selective catheterization the absolute ethanol, or diluted alcohol (based on the pattern of the AVMs), was manually injected into the abnormal vascular plexus of the auricular lesion. The clinical results were estimated with physical examination or angiography at intervals of 3 ～ 4 month, and telephone questionnaire was made at monthly intervals for all patients. Results Thirty-eight ethanol embolization procedures were performed, the amount of ethanol used during the procedure ranged from 4 ml to 65 ml. After the treatment the clinical symptoms were improved, which were manifested as healing of the ulceration, stop of bleeding, disappearing or alleviation of tinnitus. Angiographic examination showed that the abnormal vascular lesion was completely vanished in 9 cases, decreased by 50% -75% in 8 cases and decreased less than 50% in remaining 5 cases. The common complications included irreversible local necrosis and vesiculation. Conclusion For the treatment of auricular AVMs ethanol embolization is an effective and safe method, which might become the therapy of first choice.

The veins on the dorsum of the foot have been dissected and observed on 200cases of the Chinese adult lower extremities.The great saphenous vein is the chief draining vessel of the hallux,the toes andthe skin of the dorsum of the foot.The position and the tributaries of this vessel areconstant.Its diameter ranges from 1.9 to 5.0mm,with an average of 3.2mm.The dorsal venous arch is usually single(93%),double arches are seen in 6%,and absent in 1%.According to the form of reflux,the dorsal venous arch may begrouped into five types.In the most common type,the arch is continuous withthe great saphenous vein and the anterior malleolar branch of the small saphenousvein(49.5%).The dorsal metatarsal veins usually drain directly into the dorsal venous arch.Some of the neighboring dorsal metatarsal veins may drain through a commontrunk.The perforating veins on the dorsum of the foot may be divided into threedifferent groups:the anterior malleolar,marginal and intermetatarsal group.Thelatter usually drains into the dorsal venous arch at the base of the first intermeta-tarsal space.The valves of the superficial veins on the dorsum of the foot were also observed.There is no valve in the lateral part of the dorsal venous arch,but there may beone or two valves in its most medial part(66.7%).It appears that the venousblood from the first metatarsal vein usually drains into the great saphenous vein.

This study established an HPLC fingerprint of Tibetan medicine Shaji Gao from different habitats and lay a foundation for Shaji Gao varieties identification and preparation process. The chromatographic condition was as follow: Agilent zorbax SB-C18 (4.6 mm x 250 mm, 5 μm) eluted with the mobile phases of acetonitrile and 0.4% phosphoric acid water in gradient mode. The flow rate was 1.0 mL x min(-1), and the detection wavelength was set at 360 nm. The fingerprints of 15 batches Shaji Gao were carried out by similarity comparation, 7 chromatographic peaks were extracted as the common peaks of fingerprint, 3 peaks were identified, which were quercetin, kaempferol and isorhamnetin. The similarity degrees of 14 batches of samples were above 0.9 and 1 batch of samples was below 0.9. This is the first established fingerprint of Shaji Gao by using HPLC. This method has good precision, stability and repeatability that it could provide basis for quality control and evaluation of Shaji Gao.
Chromatography, High Pressure Liquid ; methods ; Medicine, Tibetan Traditional ; Quality Control

Objective To analyze the morphological features of smokers' lung on MDCT scan,measure the CT volumetric parameters,and explore the correlation with pulmonary functional test(PFT) indexes.Methods 59 smokers were enrolled,in which 14 were chronic obstructive pulmonary disease(COPD) patients,and 39 non-smokers were chosen as control group.All subjects underwent inspiratory and expiratory phase MDCT scan and PFT.Eleven pulmonary CT features caused by smoking among three groups were analyzed and compared.The emphysema index (EI 95) and mean lung density (MLD) were measured.The correlation between above mentioned parameters and PFT indexes were analyzed.Results ①Among three groups,significant differences were found for the score and incidence of entrilobular emphysema,paraseptal emphysema and brochiectasis or bronchial wall thickness(P＜0.01).②In COPD patients,paraseptal emphysema and DLCO/VA,brochiectasis or bronchial wall thickness and DLCO SB(％P),DLCO/VA(％P),as well as EI and MEF25％ (％P),DLCO SB(％P),DLCO/VA (％P)were negatively related.In smokers without COPD,there were negative correlation between centrilobular emphysema and FEV1/FVC,MEF25％ (％ P),MEF5％ (％ P),DLCO SB (％ P),DLCO/VA (％ P),paraseptal emphysema and DLCO SB(％P),DLCO/VA(％P),brochiectasis or bronchial wall thickness and DLCO/VA(％P),as well as EI and FEV1/FVC,MEF5％ (％P),and MLD and FEV1 (％ P),MEF25％ (％ P)were positively related.Conclusion MDCT can be used to analyze smokers' pulmonary morphology,and the morphological features and volumetric parameters are good predictions for pulmonary function.

Objective To explore clinical significence of soluble vascular cell adhesion molecular(SVCAM - 1),immunoglobulin A (IgA) anti- endothelial cells antibodies(AECA) in Henoch-Schonlein purpura(HSP) and their relationships. Methods SVCAM-1 were detected by ELISA between 55 cases with HSP (40 cases in acute stage and 15 cases in recovery) and 20 controls. Results The levels of serum SVCAM - 1 of the HSPN cases were significantly increased compared with the other HSP. In addition, the serum level of SVCAM - 1 in acute stage HSP children was significantly higher than that in recovery stage and normal controls. IgA AECA positive rate in HSPN was higher than that of without nephritis group. The level of serum SVCAM - 1 in IgA AECA positive children was higher than that of IgA AECA negative children. Conclusion SVCAM - 1 and IgA AECA may participate in the pathogegesis of HSP, and the level of molecule is correlated with the progress of HSP.

Objective To observe the behavior changes and synaptic reconstruction of brain and the impact of gastrodin in rats with epilepysy induced by pentylenetetrazole.Methods Fifty Wistar rats in growth(50-70 g) were randomly divided into 5 groups:control group,Pentylenetetrazole (PTZ) group,gastrodin high dose group,gastrodin low dose group and sodium valproate group,each group had 10 rats.According to Racine classification,the behavior changes of rats and the frequency were recorded.Conventional method was adopt to perfuse cordis, fix and extract the brain,and the immunohistochemistry was used to detect synaptophysin(P38) expression in the temporal lobe and hippocampus of the brain after 4 weeks.Results 1.Four weeks after pentylenetetrazole ignited the growth period rats,the attack-level of each experimental group through comparison with each other,there was statistically significant difference(?2=35.83 P0.05).Conclusions There are mossy fiber sprouting and the formation of synaptic reconstruction in temporal lobe and hippocampus of the growth period rats repea-tedly ignited by pentylenetetrazole.Gastrodin may play a role in the formation of antiepileptic obviously,and through decreasing the expression of P38,which can inhibit the formation of synaptic reconstruction,as control seizures indirectly.

Objective To evaluate the efficacy of radiosynovectomy with 32P colloid in haemophilic synovitis of adolescents. MethodsRadiosynovectomy with 32P colloid was primary performed on 26 male haemophilic patients(26 joints),whose average age was 16 years(11 to 21 years).The average dose of 32P colloid was 2.1 mCi(1.0 to 3.0 mCi). Results After 6-month interval,haemarthrosis was reduced by no less than 30% in 23 patients,with a total efficacy of 88.5%.The mean frequency of haemarthrosis was reduced from 1.9 per month of presynovectomy to 0.3 per month of postsynovectomy(P

College education plays a significant role in cultivating the innovative talents in the national education system.It is an important way to make a person innovative By carrying out the education reform of scientific research among undergraduates.Much to my honor,I,having participated in all the process of the project application and experimental research supported by the funds,the project application of undergraduate scientific research,WHU,2006.I,attempt to make an argument about significance and superiority of the medical undergraduates taking part in the scientific research.Moreover,I would like to put forward some principles for those who are about to participate in this similar kind of activity.

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.

OBJECTIVETo study the changes and significance of NF-kappa B activation in peripheral blood mononuclear cells (PBMC) of children with epilepsy.

METHODSNF-kappa B activation in PBMC was assayed by the flow cytometry in 32 healthy children and 64 children with epilepsy before and after treatment. The 64 epileptic children were subdivided into three groups: systemic seizure, partial seizure and unknown classification.

RESULTSNF-kappa B activation in PBMC in three epilepsy subgroups were significantly higher than that in healthy controls. The systemic seizure group showed significantly increased NF-kappa B activation in PBMC compared with the partial seizure group (p<0.01) and the unknown classification group (p<0.05). After treatment NF-kappa B activation in PBMC in three epilepsy subgroups was significantly reduced (p<0.01).

CONCLUSIONSNF-kappa B activation in PBMC increased in children with epilepsy, and it was positively correlated with the severity of seizures.

Adolescent ; Child ; Child, Preschool ; Epilepsy ; blood ; drug therapy ; Female ; Flow Cytometry ; Humans ; Infant ; Leukocytes, Mononuclear ; metabolism ; Male ; NF-kappa B ; metabolism