| 词汇 | example_english_stent |
| 释义 | Examples of stentThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Alternative options, such as implantation of stents, need to be evaluated. It was decided to proceed with surgical exploration and, ifwarranted, to place a further stent under direct vision. This is to allow for a 1520% elastic recoil in diameter but there is little shortening of the stent during expansion. Four stents were successfully placed in the pulmonary arteries and three in the aorta. On the first postoperative day, the stent in the orifice of the right pulmonary vein migrated to the descending aorta. This resulted in peal formation either because of low flow or because of subobstruction of the stent. Only mild granulomatous reaction was observed adjacent to the stent struts and degradation products. This approach prevents the stent from slipping off the balloon when being advanced through difficult turns, particularly in the smaller infants. The diameters in the middle of the stent were 6.9+ 1.7 mm immediately after implantation, and 6.9+2.1 mm in the follow-up angiographies, respectively. The stents were placed under general anesthesia in piglets (n=7) 1-3 days old, weighing 1.4-2.25 kg via a cutdown in the neck. Sequential balloon angioplasty then permitted gradual enlargement of the newly created channel, and subsequent placement of stents established a persistently wide venoatrial communication. In conclusion, implantation ofendovascular stents is an effective palliative or even therapeutic approach in complex coarctation. Three stents slipped over the balloon catheter during manipulation. A stent was found in the descending aorta proximal to the celiac artery. At autopsy, fibrous obstruction was noted proximal to the stent, and thrombus within the stent. Four other lambs died within the first week of the procedure and, in these, the stents were also found to be patent at autopsy. Implantation of covered stents is of particular interest in post-surgical or post-interventional aortic aneurysm formation. These cases illustrate the use of endovascular stents in the treatment of baffle obstruction. Percutaneous use of stents to correct pulmonary artery stenosis in young children after cavopulmonary anastomosis. The two discs are linked together by a short connecting stent corresponding in diameter to the size of the septal defect. In two patients, rupture of the balloon resulted in malposition of the stent. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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