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Review
. 2003 Jan;89(1):100-5.
doi: 10.1136/heart.89.1.100.

Timing of surgery in mitral regurgitation

Affiliations
Review

Timing of surgery in mitral regurgitation

Catherine M Otto. Heart. 2003 Jan.
No abstract available

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Figures

Figure 1
Figure 1
Normal function of the mitral valve apparatus depends on normal anatomy and function of the mitral annulus, the anterior and posterior leaflets, chordae, papillary muscles and the size, shape and systolic performance of the left ventricle. Reproduced with permission from: Otto CM. Valvular heart disease. Philadelphia: WB Saunders, 1999.
Figure 2
Figure 2
In a 55 year old man with an asymptomatic systolic murmur, echocardiographic images at end diastole (left) and end systole (centre) in a long axis view, show thickening and redundancy of the posterior mitral leaflet with prolapse of both leaflets into the left atrium in systole. Colour flow imaging (right) shows a large area of regurgitation. However, left ventricular size is normal with an end systolic dimension of 25 mm, ejection fraction is 62%, left atrial size is only mildly increased, and pulmonary pressures are normal. His physician is following the patient with annual echocardiography. Ao, aorta; LA, left atrium; LV, left ventricle.
Figure 3
Figure 3
This 23 year old woman with recurrent postpartum atrial flutter and a systolic murmur has systolic prolapse of the posterior leaflet (left), although the leaflets are normal in thickness. There is an eccentric anteriorly directed jet of mitral regurgitation on colour flow imaging (right) consistent with posterior leaflet prolapse. Her left ventricular end systolic dimension, ejection fraction, and pulmonary pressures are normal. Left atrial size is mildly increased.
Figure 4
Figure 4
Schematic diagram of a mitral valve repair procedure. A quadrangular resection of the redundant or flail segment of the posterior leaflet is performed (A) and the posterior leaflet is detached from the annulus (sliding leaflet technique). The remaining posterior leaflet tissue is brought together, the resection is sutured, and the posterior leaflet is reattached to the annulus with placement of a flexible posterior annuloplasty ring (B). Reproduced with permission from: Gillinov AM, Cosgrove DM. Ann Thoracic Surgery 1999;68:2356–7.

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References

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