Gallbladder diseases are very common in developed countries. Complicated gallstone disease represents the most frequent of biliary disorders for which surgery is regularly advocated. As regards, cholecystectomy repres...Gallbladder diseases are very common in developed countries. Complicated gallstone disease represents the most frequent of biliary disorders for which surgery is regularly advocated. As regards, cholecystectomy represents a common abdominal surgical intervention; it can be performed as either an elective intervention or emergency surgery, in the case of gangrene, perforation, peritonitis or sepsis. Nowadays, the laparoscopic approach is preferred over open laparotomy. Globally, numerous cholecystectomies are performed daily; however, little evidence exists regarding assessment of post-surgical quality of life (QOL) following these interventions. To assess post-cholecystectomy QOL, in fact, documentation of high quality care has been subject to extended discussions, and the use of patientreported outcome satisfaction for quality improvement has been advocated for several years. However, there has been little research published regarding QOL out-comes following cholecystectomy; in addition, much of the current literature lacks systematic data on patientcentered outcomes. Then, although several tools have been used to measure QOL after cholecystectomy, diffi culty remains in selecting meaningful parameters in order to obtain reproducible data to reflect postoperative QOL. The aim of this study was to review the impact of surgery for gallbladder diseases on QOL. This review includes Medline searches of current literature on QOL following cholecystectomy. Most studies demonstrated that symptomatic patients profi ted more from surgery than patients receiving an elective intervention. Thus, the gain in QOL depends on the general conditions before surgery, and patients without symptoms profi t less or may even have a reduction in QOL.展开更多
In this paper, we present a new deformable model for shape segmentation, which makes two modifications to the original level set implementation of deformable models.The modifications are motivated by difficulties that...In this paper, we present a new deformable model for shape segmentation, which makes two modifications to the original level set implementation of deformable models.The modifications are motivated by difficulties that we have encountered in applying deformable models to segmentation of medical images.The level set algorithm has some advantages over the classical snake deformable models.However, it could develop large gaps in the boundary and holes within the objects.Such boundary gaps and holes of objects can cause inaccurate segmentation that requires manual correction.The proposed method in this paper possesses an inherent property to detect gaps and holes within the object with a single initial contour and also does not require specific initialization.The first modification is to replace the edge detector by some area constraint, and the second modification utilizes weighted length constraint to regularize the curve under evolution.The proposed method has been applied to both synthetic and real images with promising results.展开更多
In the forefi＇ont of education reform issues, teacher training has got unprecedented attention. College students are the main force future teachers, especially whose professional skill level improvement is the one of...In the forefi＇ont of education reform issues, teacher training has got unprecedented attention. College students are the main force future teachers, especially whose professional skill level improvement is the one of the current problems to be solved. The key to solve the problems lies in the rational development of practical education courses. Practical curriculum is a theory of practice, whose law of development expressed as a paradigm of action research. Practical Curriculum development is a prospective co-development law practice combined with theory.展开更多
The standardization of sentencing is an important issue in the Chinese reform of criminal justice and sentencing procedure. This study draws on the material obtained from a sentencing procedure pilot project and emplo...The standardization of sentencing is an important issue in the Chinese reform of criminal justice and sentencing procedure. This study draws on the material obtained from a sentencing procedure pilot project and employs typical experimental methodology to test the effect of implementing the independent sentencing procedure through overall and paired comparisons. The results show that independent sentencing is viable in that it can significantly improve the transparency of the sentencing process and increase the quantity and amount of sentencing information obtained and employed by judges. Although the degree of satisfaction of participants in the procedure is not as high as expected, the resultsin trials of the first instance appear to have greater legitimacy and justifiability. At the same time, the independent sentencing procedure also helps give substance to the function of the collegiate bench, and can thus be taken as an important entry point for deepening court reform. However, the findings of our study show that there was room for improvement in the role of lawyers in this experiment.展开更多
文摘Gallbladder diseases are very common in developed countries. Complicated gallstone disease represents the most frequent of biliary disorders for which surgery is regularly advocated. As regards, cholecystectomy represents a common abdominal surgical intervention; it can be performed as either an elective intervention or emergency surgery, in the case of gangrene, perforation, peritonitis or sepsis. Nowadays, the laparoscopic approach is preferred over open laparotomy. Globally, numerous cholecystectomies are performed daily; however, little evidence exists regarding assessment of post-surgical quality of life (QOL) following these interventions. To assess post-cholecystectomy QOL, in fact, documentation of high quality care has been subject to extended discussions, and the use of patientreported outcome satisfaction for quality improvement has been advocated for several years. However, there has been little research published regarding QOL out-comes following cholecystectomy; in addition, much of the current literature lacks systematic data on patientcentered outcomes. Then, although several tools have been used to measure QOL after cholecystectomy, diffi culty remains in selecting meaningful parameters in order to obtain reproducible data to reflect postoperative QOL. The aim of this study was to review the impact of surgery for gallbladder diseases on QOL. This review includes Medline searches of current literature on QOL following cholecystectomy. Most studies demonstrated that symptomatic patients profi ted more from surgery than patients receiving an elective intervention. Thus, the gain in QOL depends on the general conditions before surgery, and patients without symptoms profi t less or may even have a reduction in QOL.
基金Supported by the National Natural Science Foundation of China (No.60472071, 60532080, 60602062)the Natural Science Foundation of Beijing (No.4051002)
文摘In this paper, we present a new deformable model for shape segmentation, which makes two modifications to the original level set implementation of deformable models.The modifications are motivated by difficulties that we have encountered in applying deformable models to segmentation of medical images.The level set algorithm has some advantages over the classical snake deformable models.However, it could develop large gaps in the boundary and holes within the objects.Such boundary gaps and holes of objects can cause inaccurate segmentation that requires manual correction.The proposed method in this paper possesses an inherent property to detect gaps and holes within the object with a single initial contour and also does not require specific initialization.The first modification is to replace the edge detector by some area constraint, and the second modification utilizes weighted length constraint to regularize the curve under evolution.The proposed method has been applied to both synthetic and real images with promising results.
文摘In the forefi＇ont of education reform issues, teacher training has got unprecedented attention. College students are the main force future teachers, especially whose professional skill level improvement is the one of the current problems to be solved. The key to solve the problems lies in the rational development of practical education courses. Practical curriculum is a theory of practice, whose law of development expressed as a paradigm of action research. Practical Curriculum development is a prospective co-development law practice combined with theory.
文摘The standardization of sentencing is an important issue in the Chinese reform of criminal justice and sentencing procedure. This study draws on the material obtained from a sentencing procedure pilot project and employs typical experimental methodology to test the effect of implementing the independent sentencing procedure through overall and paired comparisons. The results show that independent sentencing is viable in that it can significantly improve the transparency of the sentencing process and increase the quantity and amount of sentencing information obtained and employed by judges. Although the degree of satisfaction of participants in the procedure is not as high as expected, the resultsin trials of the first instance appear to have greater legitimacy and justifiability. At the same time, the independent sentencing procedure also helps give substance to the function of the collegiate bench, and can thus be taken as an important entry point for deepening court reform. However, the findings of our study show that there was room for improvement in the role of lawyers in this experiment.
