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Chapter 10 - Mitral Valve Surgery

from Section 2 - Anaesthesia for Specific Procedures

Published online by Cambridge University Press:  12 May 2020

Joseph Arrowsmith
Affiliation:
Royal Papworth Hospital, Cambridge
Andrew Roscoe
Affiliation:
Singapore General Hospital
Jonathan Mackay
Affiliation:
Royal Papworth Hospital, Cambridge
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Summary

The normal adult MV area is 4–6 cm2. Unlike other heart valves, the MV consists of two asymmetric leaflets. The aortic (anterior) leaflet makes up 65% of the valve area but its base forms only 35% of the circumference. The mural (posterior) leaflet usually consists of three main scallops, although there may be up to five. The leaflets are joined at the anterolateral and posteromedial ends of the commissure. The aortic MV leaflet shares the same fibrous attachment as the non-coronary cusp of the AV.

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Publisher: Cambridge University Press
Print publication year: 2020

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References

Anderson, RH, Spencer, DE, Hlavecek, AM, Cook, AC, Backer, CL. Surgical Anatomy of the Heart, 4th edn. Cambridge: Cambridge University Press; 2013.CrossRefGoogle Scholar
Nishimura, RA, Otto, CM, Bonow, RO et al. 2017 AHA/ACC focussed update of the 2014 AHA/ACC guidelines for the management of patients with valvular heart disease: a report of the American College of Cardiology/American Heart Association task force on practice guidelines. J Am Coll Cardiol 2017; 70: 252–89.Google Scholar

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