The four articles listed below have been retracted due to ethical violations. The corresponding author's institution, Saitama Medical University, reported to the editors of Circulation, that Dr. Hideaki Senzaki did not receive approval for these studies from the institutional internal ethics committee. Furthermore, in each of the articles referenced below, it was determined that Dr. Senzaki misinformed the editors and readers of Circulation by stating that the studies had received the necessary approval from his institutional review board.
Ventricular–Vascular Stiffening in Patients With Repaired Coarctation of Aorta: Integrated Pathophysiology of Hypertension. Circulation. 2008;118:S191–S198, doi:10.1161/CIRCULATIONAHA.107.757096
Arterial Hemodynamics in Patients After Kawasaki Disease. Circulation. 2005;111:2119–2125, doi:10.1161/01.CIR.0000162483.51132.25
Ventricular Afterload and Ventricular Work in Fontan Circulation: Comparison With Normal Two-Ventricle Circulation and Single-Ventricle Circulation With Blalock-Taussig Shunts. Circulation. 2002;105:2885–2892, doi:10.1161/01.CIR.0000018621.96210.72
Circulating Matrix Metalloproteinases and Their Inhibitors in Patients With Kawasaki Disease. Circulation. 2001;104:860–863, doi:10.1161/hc3301.095286
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