Background The long-term clinical issue in Kawasaki disease (KD) concerns the coronary artery lesion. Two-dimen-

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We compare the clinical efficacy of two approaches for balloon aortic valvuloplasty (BAV) in infants with critical aortic valve stenosis. The approaches were through the carotid artery and the femoral artery. Eight catheterizations for BAV were performed in seven consecutive patients with critical aortic stenosis: four BAVs were approached through the femoral artery and four through the right common carotid artery. We inserted a 5F sheath into the right common carotid artery by a cutdown procedure; after BAV the sheath was removed and the carotid arteriotomy sutured with 7-0 monofilament. Two cases in which the femoral artery approach was used resulted in failure to perform BAV; two cases had complications. All four cases with the carotid artery approach were successful, with no complications; aortography performed 3 months after one balloon valvuloplasty revealed a smooth, unobstructed right carotid artery. Use of the carotid artery approach may reduce serious complications with BAV and offers quicker, easier maneuvering in infants and neonates with critical aortic valve stenosis.

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