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Echocardiography. 2015 Jan;32(1):106-13. doi: 10.1111/echo.12608. Epub 2014 Apr 5.

Identification of prolapsing mitral valve scallops by a three-dimensional multiplanar reconstruction method.

Author information

1
Divisions of Cardiology and Cardiothoracic Surgery, Bluhm Cardiovascular Institute, Northwestern University Feinberg School of Medicine, Chicago, Illinois.

Abstract

BACKGROUND:

The objectives of this study were twofold: to assess the diagnostic utility of three-dimensional (3D) multiplanar reconstruction (MPR) in identifying prolapsing mitral valve (MV) scallops, and (2) to compare two-dimensional (2D) transthoracic echocardiography (TTE) and 3DMPR to (2D) transesophageal echocardiography (TEE) approaches among patients with mitral valve prolapse (MVP).

METHODS:

Fifty-five patients with MVP who underwent MV repair or replacement were retrospectively analyzed using 3 types of echocardiographic studies (2DTEE, 2DTTE, 3DMPR). The operative (OR) findings were considered the gold standard.

RESULTS:

When 3DMPR was combined with 2DTTE, the agreement with the OR findings was moderately strong for the A2 scallop (P < 0.001) and strong for the A3 scallop (P = 0.001), entire anterior leaflet (P < 0.001), P2 scallop (P < 0.001) and the entire posterior leaflet (P < 0.001). In comparison to the OR findings, 2DTEE demonstrated moderately strong agreement for the A2 scallop (P = 0.010) and the entire anterior leaflet (P < 0.001), and strong agreement for the P2 scallop (P < 0.001) and entire posterior leaflet (P < 0.001).

CONCLUSIONS:

Three-dimensional MPR should be added to the armamentarium of complementary echo techniques in the evaluation of MVP. There is increased benefit in combining 3DMPR with 2DTTE findings as part of the preoperative evaluation of patients with MVP.

KEYWORDS:

mitral valve prolapse; three-dimensional echocardiography

PMID:
24702674
DOI:
10.1111/echo.12608
[Indexed for MEDLINE]
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