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Pseudoaneurysm of Ascending Aorta with Extrinsic Compression of Left Main Coronary Artery
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作者 kumar aditya Rohit kumar Harpreet Singh Minhas 《World Journal of Cardiovascular Surgery》 2016年第3期44-46,共3页
Pseudoaneurysm of ascending aorta carries high mortality and morbidity due to adhesions and compression over surrounding structures. It occurs either after some form of injury to aorta or after infectious pathology. S... Pseudoaneurysm of ascending aorta carries high mortality and morbidity due to adhesions and compression over surrounding structures. It occurs either after some form of injury to aorta or after infectious pathology. Spontaneous pseudoaneuryms are very rare as are the extrinsic compression of left main coronary artery. We are presenting a case with both of these rare ties. Patient was a female of middle age presented with cough and a past history of treated pulmonary tuberculosis 12 years before. During evaluation by X-ray, CECT is a large pseudoaneurysm of ascending aorta with oval defect in posterior wall above sinotubular junction. It was compressing 90% of the left main coronary artery, occluding 100% of the right pulmonary artery with formation of collaterals to it from surrounding arteries. Active tuberculosis and syphilis were ruled out. Patient underwent excision of pseudoaneurysm, replacement of ascending aorta by Dacron graft and coronary artery bypass under TRCA and CPB. There was massive intraoperative bleeding, and patient died on the fourth day due to sepsis and ARDS. 展开更多
关键词 PSEUDOANEURYSM AORTA Cardiopulmonary Bypass Circulatory Arrest
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利用格雷码法增加位平面编码率
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作者 kumar aditya SINGH Pardeep 何文 《中国印刷与包装研究》 CAS 2011年第5期68-71,共4页
随着科技需求的增加,计算机对图形的使用更加广泛,如基于Windows的操作系统是通过访问磁盘文件的目录图形来查看文件;许多应用程序也提供图形用户界面,以便更容易被辨别,如互联网下载管理器显示下载文件的图形状态。图形广告中,每一个... 随着科技需求的增加,计算机对图形的使用更加广泛,如基于Windows的操作系统是通过访问磁盘文件的目录图形来查看文件;许多应用程序也提供图形用户界面,以便更容易被辨别,如互联网下载管理器显示下载文件的图形状态。图形广告中,每一个信息被转换成图形后更易于理解,因此图形非常重要。但有时这些图形数据往往很大,需要对其进行压缩。各种图像压缩算法(有损或无损)一般采用各自不同的方法进行设计,本文提出了一种将图像存储到磁盘,在概念上能将图形比特数最小化的图像压缩新算法。 展开更多
关键词 位平面 格雷码 峰值信噪比 量化 空间冗余
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Malposition of Stent a Rare Complication in Coarctation of Aorta Corrected with Extraanatomic Aortic Bypass
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作者 Navnita Kisku Subrata Pramanik +1 位作者 kumar aditya Subodh Satyarthi 《World Journal of Cardiovascular Surgery》 2017年第12期164-168,共5页
Mal-position of stent in coarctation of aorta is very rare but a major complication. Symptoms can worsen even more. We present here one such case where stenting done in some other institute in which we did an extra-an... Mal-position of stent in coarctation of aorta is very rare but a major complication. Symptoms can worsen even more. We present here one such case where stenting done in some other institute in which we did an extra-anatomical bypass from ascending aorta to supracelial aorta successfully bypassing the coarct segment. This was an early approach without assistance of Cadio-pulmonary (CP) Bypass. We conclude that this procedure should be done in centres where experienced operator and cardiac surgery back up is present. This was a good approach without assistance of CP Bypass. 展开更多
关键词 COARCTATION of AORTA Extra-Anatomical BYPASS Cardio-Pulmonary BYPASS
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