Hemodynamic Analysis of Redissection after Endovascular Repair for One Stanford Type B Aortic Dissection Case / 医用生物力学

Objective Based on hemodynamic analysis, to investigate the cause of distal re-entry tear in Stanford type B aortic dissection after thoracic endovascular aortic repair (TEVAR).Methods A patient with type B aortic dissection was reexamined regularly with computed tomography angiography (CTA) at 1st month, 6th month, 12th month and 24th month after TEVAR. Based on the CTA images in each period, three-dimensional (3D) aorta models were reconstructed to perform morphological analysis and hemodynamic simulation.Results Compared with the diameter at 1st month after TEVAR, the diameter of true lumen at 12 months after TEVAR increased by 1.8 times and the global distortion of aorta increased by 16.67%. At postoperative 1st, 6th and 12th month, the maximum blood velocities at the new entry tear in systole were 69.6%, 33.7% and 92.1% higher than the average ones at distal landing zone, and the maximum wall shear stresses (WSSs) were 2.52, 2.32 and 3.52 times of the average WSSs respectively. In addition, the maximum time-averaged WSS (TAWSS) at 1st, 6th and 12th month after TEVAR were 1.88, 2.53 and 3.62 times of the mean TAWSS respectively.ConclusionsThe morphology of the aorta remodeled after TEVAR, and a sudden change in the diameter of true lumen occurred at distal anchoring zone and continued to increase. As a result, the blood flow velocity in this area accelerated, and the intima was continuously exposed to high WSS, leading to the redissection.

Case Study of Compound Traditional Chinese Medicine Globalization / 世界科学技术-中医药现代化

Compound Traditional Chinese Medicine (CTCM) applying for FDA approval as botanical drug is a systemic and innovative work.Compound Danshen Dripping Pill (T89) is the first CTCM completed FDA global multi-center Phase Ⅲ clinical trial,which has become a benchmark for TCM globalization.Extensive experiences have been accumulated through the 20 years' research and development.Tasly fully considered the characteristics of CTCM while complying with FDA regulations during the entire application process.In which,product indication was clearly defined and agreed,clinical trial protocol was scientifically and innovatively designed with gold standard,phase Ⅱ study was well completed,SPA for phase Ⅲ study was obtained,and eventually the global multi-center phase Ⅲ study was successfully completed.In order to better support T89's application,Tasly conducted series of additional studies and introduced many innovations,such as drug-drug interaction study for TCM,finger printing study for CTCM,quality consistency study,biological assay study and etc.Globalization of T89 is not only a product creating history,but also a process for Tasly and the US FDA working together to continuously innovate and create history in innovating modern TCM standards,improving industrial chain GMP system for botanical drugs,making technical breakthroughs,exploring regulatory pathways and increasing product value.It represents the national power and historical progress in medicine.

Experimental and Clinical Research Progress in Acupoint Catgut Embedding Therapy on Obesity / 中国中医药信息杂志

Acupoint catgut embedding therapy shows significant efficacy in treating obesity with simple operation and definite safety. This article reviewed research progress in acupoint catgut embedding therapy on obesity from the aspects of experiment and clinical research in recent years and made evaluation and proposed expectation, with a purpose to further guide clinical application and research of acupoint catgut embedding.

Dietary survey in a unit of armed police forces:a comparison between food weighing and chemical analysis / 军事医学

Objective To assess the differences in nutrient composition by chemical analysis method and weighing method,A corps of armed police forces daily dietary nutrient intakes were investigated in Tianjin,to understand the status of the actual intakes of dietary nutrient.Methods A dietary survey was performed using the weighing method and with ref-erence to China food composition database in 2002.The intake of each nutrient was calculated through chemical analysis;Nutritional analysis was used in the collection of duplicate food portions during the dietary survey.Results For most of the main dietary nutrients(protein,fat and carbohydrates),minerals (Na,K,Mg,Ca,Zn,Cu and Se)and vitamins (β-car-otene,vitamin E,thiamine,riboflavin,vitamin C,niacin,and vitamin A),the calculated values of intakes were found to exceed those obtained via chemical analysis.Conclusion Differences of the two methods of dietary survey were ultimately due to the analysed values were below the calculated ones.So it is necessary to improve methods of food storage and trans-portation in order to obtain adequate nutrition and to improve the health of troops.

Orthogonal design method to optimize rehabilitation prescription of pulsed electric field at Jiaji (EX-B 2) points for spinal cord injury / 中国针灸

<p><b>OBJECTIVE</b>By using orthogonal design method to optimnize prescription of pulsed electric field at Jiaji (EX- B 2) points for spinal cord injury (SCI).</p><p><b>METHODS</b>Fifty six patients of SCI were selected, in which 36 cases were divided into orthogonal design trial and 20 cases were into clinical verification. With 36 patients who received orthogonal design trial, Frankel grading scale was used as observation index to screen optimal prescription of pulsed electric field. Pulse frequency (factor A) included low frequency (factor A(I), 10(2) Hz). moderate frequency (factor A(II), 10(4) Hz) and high frequency (factor A(III), 10(3) Hz); pulse amplitude (factor B) included 0-30 V (factor B ), 0-60 V (factor B(II)) and 0-90 V (factor B(III)); pulse width (factor C) included 0.1 ms (factor C(I)). 0.6 ms (factor C(II)) and 0.9 ms (factor C(III)); acupuncture time (factor D) included one month (DI), three months (D(II)) and five months (D(III)). Twenty patients were used for clinical efficacy observation and the effects of screened optimal pre scription of pulsed electric field at Jiaji (EX-B 2) points combined with regular rehabilitation training on spasm se- verity, score of sensory and motor functions, Barthel index and Frankel score were observed.</p><p><b>RESULTS</b>(1) As results of orthogonal design trial, the optimal prescription was A(III) B(III), C(I), D(III), which were high frequency (10(3) Hz), 0-90 V of pulse amplitude, 0.4 ms of pulse width and 5 months of treatment time. (2) As results of 20 patient clinical verification, Ashworth score, tendon reflex and clonus were all significantly improved (P<0.001, P<0.01), the scores of sensory and motor functions were evidently improvedtl (P<0.001, P<0.05), and Barthel in dex and Frankel score were also enhanced (P<0.001, P<0.05).</p><p><b>CONCLUSION</b>The optimal prescription of pulsed electric field at Jiaji (EX-B 2) points for spinal cord injury is high frequency (10& Hz), 0-90 V of pulse amplitude, 0.4 ms of pulse width and 5 months of treatment time. The optimal prescription of pulsed electric field at Jiaji (EX-B 2) points combined with regular rehabilitation could obviously improve spasm severity, enhance senso- ry and motor functions, and ameliorate activity of daily life and Frankel score.</p>

Psychometric features of the body image after breast cancer questionnaire-Chinese version in women with breast cancer / 中南大学学报(医学版)

OBJECTIVE@#To examine the psychometric features of the body image after breast cancer questionnaire-Chinese version (BIBCQ-C) in Chinese women with breast cancer.@*METHODS@#A total of 545 women with breast cancer received a demographics investigation: BIBCQ-C and hospital anxiety and depression scale (HAD). Four weeks later, 31 patients were selected randomly to finish BIBCQ-C again.@*RESULTS@#The Cronbach's alpha coefficient for the total scale was 0.90, and that for the 6 factors ranged from 0.62 to 0.87. The mean inter-item correlation coefficient of the total scale was 0.16, and the mean inter-item correlation coefficient of the subscales ranged from 0.21 to 0.57, and the test-retest reliability of the total scale and 6 factors was over 0.60. The confirmatory factor analyses supported the 6-factor model, and BIBCQ-C were significantly correlated with the symptom scales of anxiety and depression (r=0.20, 0.21, P<0.01).@*CONCLUSION@#BIBCQ-C is reliable and valid, which can effectively assess body image of Chinese women with breast cancer.

Teaching Reform of Rehabilitation Assessment in Higher Vocational Education Rehabilitation Treatment Technology / 中国康复理论与实践

@#Based on talented person admittance standard and train objective, considering student's cognition characteristic and the professional rank test and so on in higher vocational education rehabilitation treatment technology, this paper explored reform and construction of rehabilitation assessment.

Isolation and classification of the bacteriophages of Pseudomonas aeruginosa and their application on biofilm control / 中华微生物学和免疫学杂志

Objective To isolate and classigy the bacteriophages specific to Pseudomonas aetuginosa and to investigate biofilm control efficaey of the isolated virulent phages.Methods With P. aeruginosa clinical strains as indicators.bacteriophages were isolated by screening difierent environmental samples.Classification of the isolated phages was done with the methods of restriction fragment analysis of phage genome and host range analysis.Transmission electron microscopy(TEM)was used in phage morphology study.In biogilm control tests,TJC729 was used as the jndicator strain to study the biofilm control efficacy of the isolated phages.Results Total 13 lytic phages specific to P.aeruginosa strains were isolated and named as C1-C13.According to the result of restriction fragment analysis.all 13 phages were double-stranded DNA viruses and could be divided into eight groups.Host range experiments were conducted with 5 laboratory strains and 12 clinical strains of P. aeruginosa.The same infection profiles were observed among phage C1 and C13,C6 and C7,and C9 and C11,respectively.While the remaining 7 phages each had different unique infection profile.Phage C1 was selected randomly to study its morphology.The obtained images showed that phage C1 had an icosahedral head with a non-contractile tail,belonging to the Siphoviridae family.Compared with the single phage,phage cocktail had the best effect on biofilm control.Further experiment results showed that phage C1.C10 and C12 can destroy biofilm after treatment of the biofilm for 24 h.The biofilm amounts were deceased to 32.7%,57.6%and 32.8%of the initial values,respectively.Conclusion Thirteen virulent phages specific to P. aeruginosa had been isolated.The phages could significantly inhibit the biofilm formation and had a certain degree of damage on the biofilm.The results suggested an alternative method for the treatments of P.aeruginosa infections.