BACKGROUND:Because of its advantages, Endobutton has been widely used in clinic. Currently, its shortcomings are increasingly recognized. Tightrope that overcomes the shortcomings of Endobutton has been gradualy accepted by a doctor skiled in sports injuries.
OBJECTIVE: To analyze and compare the differences in the effects of Tightrope and Endobutton in the reconstruction of the cruciate ligament.
METHODS:Totaly 60 cases of anterior cruciate ligament rupture were selected and subjected to anterior cruciate ligament reconstruction under arthroscopy, of which 30 cases were randomly assigned to reconstruction by Endobutton device and 30 cases underwent reconstruction by Tightrope device. Al operations were performed by the same surgeon. Al patients were subjected to regular functional exercise and were folowed up regularly after operation. Effects of Tightrope and Endobutton in the cruciate ligament reconstruction were evaluated by comparing various indexes in the two groups.
RESULTS AND CONCLUSION:Compared to the Endobutton fixation system, the Tightrope fixation system could shorten the operation time, reduce the length of tendon incision, and decrease the loss of bone mass in the femoral bone tunnel. There were no significant differences in the maximum knee flexion, knee joint score and Tegner movement level score between the two groups at 3 and 6 months after operation. These findings indicate that the Tightrope fixation system is superior to the Endobutton fixation system, because it is more simple and convenient to operate and has less bone loss. However, their clinical efficacy has no difference after 6 months.

Objective To analyze the effect of different areas of paries medialis defect of femoral trochanter on the stability of fracture ends after percutaneous compression plating for femoral intertrochanteric fracture.Methods Thirteen preserved cadaveric specimens of adult femur were used in this experiment.The age of death ranged from 30 to 50 years.Oblique osteotomy was conducted under the same condition using a wire saw to create experimental models of fracture of Evans-Jensen type Ⅳ.The ratios of the area of paries medialis defect to the projected area of lesser trochanter in the specimens 1 to 13 were set respectively as 0,10.0％,14.5％,20.2％,23.4％,30.6％,45.8％,56.8％,76.8％,88.7％,99.8％,121.3％ and 149.4％.All the fractures were fixated by standard percutaneous compression plating.Cyclic load was applied on each specimen using Instron 2000 universal material tester.A vertical load of 600 N was applied for respectively 1,10,100 and 1,000 times to measure the displacements of proximal and distal fracture ends.Results When the ratio of the area of paries medialis defect to the projected area of lesser trochanter was 30.6％,the average displacements of the proximal and distal ends were 0.14 cm and 0.10 cm.When the ratio was 45.8％,the average displacement of the proximal end was 0.53 cm,278.6％ greater than that for 30.6％;the average displacement of the distal end was 0.41 cm,310.0％ greater than that for 30.6％.When the ratio was 149.4％,the average displacement of the proximal end was 0.93 cm,564.3％ greater than that for 30.6％;the average displacement of the distal end was 0.65 cm,550.0％ greater than that for 30.6％.Conclusions When the ratio of the area of paries medialis defect to the projected area of lesser trochanter reaches ＞ 45.8％,the area of paries medialis defect will have a significant effect on the stability of fracture ends after percutaneous compression plating for femoral intertrochanteric fracture.The displacement will increase linearly under the same compression with the increase in defect area.

Animals ; Colon ; physiology ; Female ; Indoles ; pharmacology ; Male ; Myoelectric Complex, Migrating ; Rats ; Rats, Wistar ; Viscera ; physiology

Oversea students with rare languages are characterized by severe language barrier,difficulty in study,difficulty in administration,weakness of basic medicine teaching,and lack of standardized clinical manipulation.Based on these characters,reform of clinical teaching was undertaken during the teaching process.Definite teaching principles were made,teaching methods were innovated,and teaching materials of various media were carefully chosen according to the teaching situation,and were renewed continuously.Good teaching effect was achieved,and all the oversea students with rare languages were satisfied with our teaching.

Objective To investigate the value of diffusion weighted imaging (DWI) in detecting acute intracerebral hemorrhage with 3.0T MR. Methods A total of 105 patients with acute strokes underwent MR examination within 3 days after on set. The detectability and reliability of intracerebral hemorrhage with the DWI b0 sequence was assessed. The results were compared with the gradient-echo (GRE) sequence. The results of the GRE sequence were used as the standard. Results DWI b0 images of 47 cases displayed clearly in 48 acute intracerebral hemorrhage patients. For the detection of acute intracerebral hemorrhage, DWI b0 images had a sensitivity of 97.92%, specificity of 100%, the positive predictive value of 100%, and the negative predictive value of 98.25%. Deoxyhemoglobin-induced hypointense rim was characteristic on DWI b0 images, the next was GRE. Conclusion In the setting of acute stroke, DWI can clearly distinct intracerebral hemorrhage and non-intracerebral hemorrhage with 3.0T MR scanner. With a more rapid and accurate MRI strategy to evaluate acute stroke including DWI, T1WI and T2WI sequences without GRE is helpful in clinical decision making.

Child, Preschool ; Humans ; Male ; Neurofibromatoses ; etiology ; Precursor Cell Lymphoblastic Leukemia-Lymphoma ; complications

Adolescent ; Child ; Diagnosis, Differential ; Dystonic Disorders ; diagnosis ; drug therapy ; physiopathology ; Female ; Humans ; Male

Orally disintegrating tablets (ODT), a kind of new solid tablet that rapidly disintegrates to work in the mouth, has became the hot form of new drug research in recent years with many advantages, such as the convenient taking, a widely applicable people, fast acting, high bioavailability, good compliance, and so on. ODT has been widely used in chemical medicines, while the application of it in traditional Chinese medicines (TCMs) is still in the stage of development The development of TCMs ODT provides a new direction for the research of Chinese medicine new dosage, accelerates the pace of connecting to the world and modernization of Chinese medicine. This dosage has a broad market prospect, and its quality control and assessment standards, taste, the disintegration time in vitro and evaluation method are the key factors that affect the industrialization, standardization of Chinese medicine ODT. Therefore, this paper reviewed the characteristics, preparation, taste masking technology and quality evaluation with new technology of ODT. Meantime, numerous application examples of ODT used in traditional Chinese medicine were described. We expect to provide the reference and utilization for the development of traditional Chinese medicine orally disinteeratine tablets.
Administration, Oral ; Drug Compounding ; methods ; Humans ; Medicine, Chinese Traditional ; Solubility ; Tablets ; administration & dosage ; chemistry ; Taste

Objective To investigate current situation of prescription of traditional Chinese medicine (TCM) for acute stroke patients.Methods From June 2008 to October 2010,with simple cluster sampling,48 centers were randomly assigned to the intervention group receiving a standardized treatment strategy,and the usual care group without specific recommendations for treatment.No specific recommendations or restrictions of TCM were proposed for both groups.Consecutive hospitalized patients with acute ischemic stroke were recruited in this study.Clinical data and treatment strategy (including TCM) were recorded by trained investigators.The prescription of TCM three months prior to admission and at discharge was recorded and analyzed.The chi-square test was used for analysis of qualitative data.Results Totally 3 664 patients were included in the analysis (1 709 patients in standard care group and 1 955 patients in the usual care group) with male to female ratio 2∶ 1.The difference of distribution of age,sex and education level between the two groups was not statistically significant.One hundred and eighty-seven patients (5.10％) had taken TCM three months prior to admission,81.28％ of them only taking one type of TCM,without significant difference between the two groups.The percentage of patients taking TCM at discharge was significantly increased to 30.65％ for all the patients with higher percentage (38.16％) in the usual care group than that in the standard care group (22.06％).The percentage of using more than one type of TCM was also higher in the usual care group (x2 =141.43,P ＜ 0.01).Totally,112 types of TCM were prescribed at discharge.Conclusions Nearly one third of hospitalized patients with acute stroke were prescribed TCM at discharge,with mostly monotherapy and a great variety.

Objective To integrate research training into clinical teaching effectively, the essential steps are understanding the students` demand and mastery, factors hindering learning and how to learn effectively.MethodsStudents in 7th grade in Peking Union Medical College (PUMC), graduate students and residents under clinical training, trained doctors for advanced studies from primary hospitals were surveyed with questionnaire by collecting educational background, the demand of learning medical research methodology, factors hindering learning, specific issues need in medical research methodology, learning model and assessment approaches.Results Totally 69 people were surveyed.92.75% of the respondents said they had studied medical research methodology and related courses before.However, 51 people (73.91%) answer they cannot read literatures with critical thinking.52 people (75.37%) indicated that they had difficulty in conducting research.58 (84.06%) people said it is very necessary to study the medical research methodology.No learning opportunities and enough time were the main hinders forlearning relevant knowledge.The top three high-demanding issues are sample size calculation and statistical knowledge, study design, and how to use the statistical software.44 (63.77%) people suggest e-learning with case based learning.Conclusions Integrate medical research methodology teaching into clinical teaching is in high-demand for students.E-learning is suggested with case based learning.