Bicuspid aortic valve
ICD-10 Q23.1 · ICD-11 LA8A.22

Bicuspid Aortic Valve with Aortic Root or Ascending Aortic Diameter ≥45 mm Undergoing Valve Surgery

This protocol addresses patients with bicuspid aortic valve who are already undergoing aortic valve surgery and in whom significant aortic dilation has been identified — specifically, a root or ascending aortic diameter reaching or exceeding 45 mm.

Key clinical threshold: In patients with bicuspid aortic valve proceeding to aortic valve surgery, concurrent root or ascending aortic diameter ≥ 45 mm defines the operative scenario addressed by this protocol.
Clinical Situation

The presence of an enlarged aortic root or ascending aorta — at or above the 45 mm diameter threshold — in the setting of planned aortic valve surgery establishes the specific indication addressed here. Both the aortic root diameter and the ascending aorta diameter are relevant measurement targets in this scenario.

Approach

The structured protocol involves a surgical approach directed at bicuspid aortopathy. The complete operative strategy, decision algorithm, and full procedural details are available in the protocol.

References

DOI: 10.1093/eurheartj/ehae179

Surgery for bicuspid aortopathy in patients undergoing aortic valve surgery should be considered at a root or ascending diameter ≥45 mm.

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