【摘要】 目的 探讨癫痫患者注意功能受损的特点。 方法 2008年12月-2009年12月选取69例癫痫患者作为病例组，35例正常人作为对照组，分别用持续操作任务实验（continuous performance test，CPT）、斯特鲁普实验（Stroop）和双任务实验测查持续注意、选择注意和分散注意功能。 结果 与对照组相比，病例组CPT反应时延长，漏报率增加（Plt;0.05）；Stroop实验冲突条件下反应时延长，冲突、一致和中性条件下错误率增加，冲突和中性条件下的反应时干扰量和错误率干扰量增加（Plt;0.05）；双任务比单任务划销方格数目减少，字符串正确率减少，双任务减退程度增加（Plt;0.05）。 结论 癫痫患者的持续注意、选择注意和分散注意功能均受损。【Abstract】 Objective To observe the damages of attentive function in the patients with epilepsy. Methods From December 2008 to December 2009, 69 patients with epilepsy and 35 healthy people were selected as the patients group and control group. All the selected ones underwent continuous performance test (CPT), Stroop test and dual task, respetviely, to assess their sustained attention, selected attention and divided attention. Results In CPT, the reaction time prolonged and the omission rate increased significantly in the patient group compared with those in the control group (Plt;0.05). In Stroop test, the reaction time in the patients group prolonged under incongruous condition, and error rate increased under incongruous, congruous and neutral conditions. The reaction time interfered effects and error interfered effects increased under incongruous and neutral conditions (Plt;0.05); the boxes crossed and right rate of digit strings decreased and decrement increased during dual task than single task in the patient group (Plt;0.05). Conclusion The sustained attention, selected attention and divided attention of patients with epilepsy are impaired.
ObjectiveTo study the function of selectin in the pathogenesis and advancement of acute pancreatitis(AP), so as to guide further investigation and clinical treatment. MethodsCorrelative articles in recent years were reviewed. ResultsSelectins act as an indicator of the activation of endothelium. Their expression changes markedly during AP and is closely related to cytokines, oxygen free radicals and complements. Conclusion Selectin is a component which is engaged in the pathology of AP, the level of selectin is useful in guiding clinical observation and treatment.
Aiming at the problem of high-quality image reconstruction from projection data at sparse angular views, we proposed an improved fast iterative reconstruction algorithm based on the minimization of selective image total variation (TV). The new reconstruction scheme consists of two components. Firstly, the algebraic reconstruction technique (ART) algorithm was adopted to reconstruct image that met the identity and non-negativity of projection data, and then, secondly, the selective TV minimization was used to modify the above image. Two phases were alternated until it met the convergence criteria. In order to further speed up the convergence of the algorithm, we applied a fast convergence technology in the iterative process. Experiments on simulated Sheep-Logan phantom were carried out.The results demonstrated that the new method not only improved image reconstruction quality and protected the edge of the image characteristics, but also improved the convergence speed of the iterative reconstruction significantly.
Objective To summarize the blood supply to the sources and characteristics of advanced breast cancer，and explore the method，efficacy，and clinical applications of preoperative super-selective arterial catheterization chemoembolization under DSA for it. Methods Sixty patients with advanced breast cancer confirmed by the aspiration biopsy from February 2007 to October 2011 in this hospital were selected. Seldinger method was used，distributing of the tumor blood supply artery was identified and intubated the target artery by super-selective arterial catheterization via the femoral artery puncture under the DSA. Then，pirarubicin 60 mg plus paclitaxel 120 mg of two chemotherapy drugs was injected into slowly the target artery and the intervention infusion chemotherapy was performed，finally the tumor blood supply artery was embolizated by gelatin sponge particle. Results A total of 112 conclusive blood supply artery in 60 patients with DSA were found，including eight cases of single blood supply artery，52 cases of multiple blood supply arteries，mainly in the lateral thoracic artery and （or） internal thoracic artery-based. The complete remission rate was 25.0% （15/60），partial remission rate was 73.3% （44/60），stable disease rate was 1.7% （1/60），the total effective rate was 98.3% （59/60）. There was no progression disease. The median remission duration was 19 months，median survival time was 40 months. Conclusions The location of the original foci of breast cancer is closely related to blood supply arteries. The tumor in the lateral of the breast mainly dominates by the lateral thoracic artery blood supply. The tumor in the inner breast mainly dominates by the internal thoracic artery blood supply. The preoperative super-selective arterial catheterization chemoembolization under DSA can obviously improve the therapeutic effect，long-term survival，and the target of interventional chemoembolization.
目的 评价术前立体超选择性动脉灌注化疗在ⅡB～ⅢA期乳腺癌保留乳房手术中的价值。方法 36例乳腺癌患者，其中ⅡB期10例、ⅢA期26，术前采用立体超选择性动脉灌注丝裂霉素、表阿霉素和5-氟尿嘧啶，化疗后再进行手术。结果 36例患者灌注化疗后病灶缓解32例，好转3例，无明显变化1例; 缓解率达88.9%（32/36），该32例患者肿瘤直径均缩小到2 cm以下，获得保乳手术机会。结论 术前立体超选择性动脉灌注化疗可使局部晚期乳腺癌降期获得保乳机会。
Surgerical treatment has been used for portal hypertension over a hundred years, and has evolved from various portosystemic shunts to devascularizations and selective shunts. Selective shunting, which has the advantages of long-term prevention from recurrent variceal bleeding and maintenance of hepatic portal vein perfusion, has developed from single distal splenorenal shunt to various procedures including distal splenocaval shunt, coronary caval shunt, coronary renal shunt, etc. Selective shunting can also be achieved after reconstruction of spontaneous portosystemic shunt. Preoperative portal venous system CT angiography, intraoperative ultrasound Doppler and portal vein pressure measurements may provide patients with a more reasonable treatment of choice.
Keloids are benign skin tumors resulting from the excessive proliferation of connective tissue in wound skin. Precise prediction of keloid risk in trauma patients and timely early diagnosis are of paramount importance for in-depth keloid management and control of its progression. This study analyzed four keloid datasets in the high-throughput gene expression omnibus (GEO) database, identified diagnostic markers for keloids, and established a nomogram prediction model. Initially, 37 core protein-encoding genes were selected through weighted gene co-expression network analysis (WGCNA), differential expression analysis, and the centrality algorithm of the protein-protein interaction network. Subsequently, two machine learning algorithms including the least absolute shrinkage and selection operator (LASSO) and the support vector machine-recursive feature elimination (SVM-RFE) were used to further screen out four diagnostic markers with the highest predictive power for keloids, which included hepatocyte growth factor (HGF), syndecan-4 (SDC4), ectonucleotide pyrophosphatase/phosphodiesterase 2 (ENPP2), and Rho family guanosine triphophatase 3 (RND3). Potential biological pathways involved were explored through gene set enrichment analysis (GSEA) of single-gene. Finally, univariate and multivariate logistic regression analyses of diagnostic markers were performed, and a nomogram prediction model was constructed. Internal and external validations revealed that the calibration curve of this model closely approximates the ideal curve, the decision curve is superior to other strategies, and the area under the receiver operating characteristic curve is higher than the control model (with optimal cutoff value of 0.588). This indicates that the model possesses high calibration, clinical benefit rate, and predictive power, and is promising to provide effective early means for clinical diagnosis.
Alternative splicing plays an important role in the pathogenesis, diagnosis, treatment and prognosis of autoimmune diseases. Alternative splicing is universal and non-preferred in autoimmune diseases, and exon skipping is the most common type in alternative splicing types. The occurrence and development of autoimmune diseases can be influenced by the 5′ splicing, 3′ splicing, number change of exons, splicing affected by the single nucleotide polymorphism and the variance of gene expression levels. Moreover, different single nucleotide polymorphisms of the same gene can affect the development of various autoimmune diseases. This review summarizes the role of different forms of alternative splicing in various autoimmune diseases, and aims to provide a basis for further study of the conditions in different development stages of autoimmune diseases and the regulatory mechanism of different levels of splicing isoforms.