AIM:To distinguish between the esophagus and adjacent organs using extraesophageal saline injection(ESI) in a canine model.METHODS:ESI was performed through the esophagus under the guidance of linear-array endoscopic ...AIM:To distinguish between the esophagus and adjacent organs using extraesophageal saline injection(ESI) in a canine model.METHODS:ESI was performed through the esophagus under the guidance of linear-array endoscopic ultrasonography(EUS).Approximately 15 mL of methylene blue saline(0.5%) was then injected through each of the extraesophageal puncture points using a 22 G needle.Radial EUS examinations were conducted before and after ESI.EUS images of the trachea,tracheal bifurcation,arcus aortae and thoracic aorta were recorded.Vital signs were monitored during the ESI procedure and EUS examination.The dogs were then sacrificed for exploratory thoracotomy.RESULTS:No obvious fluctuation in vital signs or serious adverse events occurred during the ESI procedure.On EUS imaging,an apparent hypoechoic area outside the esophagus,which separated the esophagus and adjacent organs,was visualized.The adventitious of the esophagus and adjacent organs were easily distinguished.The findings of subsequent exploratory thoracotomy confirmed the EUS findings:obvious accumulation of a blue liquid in the extraesophageal tissues,as well as in the esophageal-thoracic aorta space,esophageal-arcus aortae space and esophageal-tracheal space.CONCLUSION:The esophagus and adjacent organs were successfully separated by ESI,and extraesophageal saline acted as an effective ultrasonic contrast agent.展开更多
In contrast with the consistent growth results of urea firms,China’s pesticide makers reported wide ranging fmancial results for their product lines for the first half(H1) of this year,ending June 30th.The early bird...In contrast with the consistent growth results of urea firms,China’s pesticide makers reported wide ranging fmancial results for their product lines for the first half(H1) of this year,ending June 30th.The early birds entering the manu-facture of glyphosate shared fats profits brought by the quadrupled price increase in twelve months.At the other extreme firms who were heavily involved in producing the highly toxic pesticides that were recently banned展开更多
On September 7th,2007 WACKER,the Munich-based chemi-cals group,has developed a new silicone softener emul-sion for the hydrophihc finishing of textiles.The product,aself-dispersing concentrate,imparts not only outstan...On September 7th,2007 WACKER,the Munich-based chemi-cals group,has developed a new silicone softener emul-sion for the hydrophihc finishing of textiles.The product,aself-dispersing concentrate,imparts not only outstandingabsorbency and a very good hand,but also high stabihty展开更多
基金Supported by Science and Technology Plan Projects of Guangdong Province,China No.2011B080701015 and No.2012B061700076
文摘AIM:To distinguish between the esophagus and adjacent organs using extraesophageal saline injection(ESI) in a canine model.METHODS:ESI was performed through the esophagus under the guidance of linear-array endoscopic ultrasonography(EUS).Approximately 15 mL of methylene blue saline(0.5%) was then injected through each of the extraesophageal puncture points using a 22 G needle.Radial EUS examinations were conducted before and after ESI.EUS images of the trachea,tracheal bifurcation,arcus aortae and thoracic aorta were recorded.Vital signs were monitored during the ESI procedure and EUS examination.The dogs were then sacrificed for exploratory thoracotomy.RESULTS:No obvious fluctuation in vital signs or serious adverse events occurred during the ESI procedure.On EUS imaging,an apparent hypoechoic area outside the esophagus,which separated the esophagus and adjacent organs,was visualized.The adventitious of the esophagus and adjacent organs were easily distinguished.The findings of subsequent exploratory thoracotomy confirmed the EUS findings:obvious accumulation of a blue liquid in the extraesophageal tissues,as well as in the esophageal-thoracic aorta space,esophageal-arcus aortae space and esophageal-tracheal space.CONCLUSION:The esophagus and adjacent organs were successfully separated by ESI,and extraesophageal saline acted as an effective ultrasonic contrast agent.
文摘In contrast with the consistent growth results of urea firms,China’s pesticide makers reported wide ranging fmancial results for their product lines for the first half(H1) of this year,ending June 30th.The early birds entering the manu-facture of glyphosate shared fats profits brought by the quadrupled price increase in twelve months.At the other extreme firms who were heavily involved in producing the highly toxic pesticides that were recently banned
文摘On September 7th,2007 WACKER,the Munich-based chemi-cals group,has developed a new silicone softener emul-sion for the hydrophihc finishing of textiles.The product,aself-dispersing concentrate,imparts not only outstandingabsorbency and a very good hand,but also high stabihty