Abstract:
:Since the adoption of off-pump coronary artery bypass surgery (OPCAB), numerous investigators have compared its short- and long-term results with those of on-pump coronary bypass surgery. Some reports of OPCAB were quite favorable, whereas others were critical, claiming that it resulted in incomplete revascularization and reduced venous graft patency. A potentially serious complication of OPCAB, not heretofore sufficiently confronted, is the increased incidence of early postoperative acute aortic dissection, in comparison with the more familiar intraoperative and late-occurring aortic dissection after conventional on-pump bypass surgery.Early postoperative acute aortic dissection after OPCAB appears to be more frequent than was initially thought. Its clinical manifestations can be unusual and often neurologic in nature-rendering diagnosis difficult, causing delays in surgical intervention, and resulting in a high mortality rate.When the physician notes unusual developments in patients after OPCAB that lead to the suspicion of aortic dissection, immediate computed tomography of the chest and surgery should occur if dissection is confirmed. If not detected early, this sequela almost certainly leads to rapid death from aortic rupture. Prevention lies in the strict control of systolic blood pressure during the performance of proximal anastomoses; avoidance of aortic clamping through the use of sequential all-arterial grafts or new-generation mechanical connectors; and, at times, aggressive replacement of the aorta with a prosthetic graft.Herein, we present the cases of 4 patients who sustained acute aortic dissection early after OPCAB. We review the pertinent medical literature.
journal_name
Tex Heart Inst Jjournal_title
Texas Heart Institute journalauthors
Tabry IF,Costantini EMsubject
Has Abstractpub_date
2009-01-01 00:00:00pages
462-7issue
5eissn
0730-2347issn
1526-6702journal_volume
36pub_type
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journal_title:Texas Heart Institute journal
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journal_title:Texas Heart Institute journal
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journal_title:Texas Heart Institute journal
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journal_title:Texas Heart Institute journal
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journal_title:Texas Heart Institute journal
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更新日期:1982-09-01 00:00:00
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journal_title:Texas Heart Institute journal
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journal_title:Texas Heart Institute journal
pub_type: 杂志文章
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journal_title:Texas Heart Institute journal
pub_type: 杂志文章
doi:
更新日期:2000-01-01 00:00:00
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pub_type: 杂志文章
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journal_title:Texas Heart Institute journal
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pub_type: 杂志文章,评审
doi:
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pub_type: 杂志文章
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journal_title:Texas Heart Institute journal
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doi:
更新日期:2008-01-01 00:00:00
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journal_title:Texas Heart Institute journal
pub_type: 杂志文章,评审
doi:
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journal_title:Texas Heart Institute journal
pub_type: 杂志文章
doi:
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journal_title:Texas Heart Institute journal
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journal_title:Texas Heart Institute journal
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journal_title:Texas Heart Institute journal
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journal_title:Texas Heart Institute journal
pub_type: 杂志文章
doi:
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