Aortic cross-clamp: Difference between revisions
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An '''aortic cross-clamp''' is a [[surgical instrument]] used in [[cardiac surgery]] to clamp the [[aorta]] and separate the [[systemic circulation]] from the outflow of the [[heart]]. |
An '''aortic cross-clamp''' is a [[surgical instrument]] used in [[cardiac surgery]] to clamp the [[aorta]] and separate the [[systemic circulation]] from the outflow of the [[heart]]. |
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Revision as of 13:02, 18 December 2010
of Unreferenced|date=August 2009}} An aortic cross-clamp is a surgical instrument used in cardiac surgery to clamp the aorta and separate the systemic circulation from the outflow of the heart.
An aortic cross clamping procedure serves for example in the repairing of coarctation of the aorta, which it's treatment of choice in the newborn is resection and primary anasthomosis. The clamping of the aorta excludes the systemic circulation, by definition, thus causing an ischemia. When a long cross clamping period (longer than 25 min) or a drop in distal aortic pressure below 50-60 mmHg is anticipated, the use of an intraoperative shunt may prevent disastrous complication as paraplegia[1]
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- ^ Schwartz's principles of surgery: self assessment and board review, 8th edition, chapter 19 question 5, chapter 21 question 17