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Accuracy of Multislice Computed Tomography in the Preoperative Assessment of Coronary Disease in Patients With Aortic Valve Stenosis

Martine Gilard, MD^_*,_*, Jean-Christophe Cornily, MD^_*, Pierre-Yves Pennec, MD^_*, Cedric Joret^_*, Grégoire Le Gal, MD, Jacques Mansourati, MD^_*, Jean-Jacques Blanc, MD^_* and Jacques Boschat, MD^_*

^_* Department of Cardiology, Brest University Hospital, Brest, France
EA 3878 and the Department of Internal Medicine, Brest University Hospital, Brest, France.

View larger version (158K): [in a new window]   Figure 1 Different grades of aortic valve calcification. (A) Grade 1 = normal valve without calcification. (B) Grade 2 = moderate calcification. (C) Grade 3 = heavy calcification. (D) Heavily calcified bicuspid aortic valve.

View larger version (85K): [in a new window]   Figure 2 (A) Calcified, nonassessable right coronary artery. Black arrows = heavily calcified areas. (B) Normal, assessable right coronary artery.

View larger version (96K): [in a new window]   Figure 3 Angiogram (A) and multislice spiral computed tomography (B) of a subocclusive left circumflex artery.

View larger version (16K): [in a new window]   Figure 4 Receiver-operating characteristic (ROC) curve. Angiography is necessary according to calcium score. Area under the curve = 0.84.