Abstract
Aortic regurgitation (AR) arising from cusp disease poses a significant surgical challenge. In this single-center study, we evaluated a partial Ozaki technique, involving reconstruction of only the diseased cusp, and performed concomitant aortic root procedures guided by contrast-enhanced computed tomography assessment of lunule coaptation and root dimensions. Sixteen patients with severe AR who underwent partial Ozaki repair were stratified by lunule coaptation and root dimensions. No operative deaths or major complications occurred. At discharge, patients' AR was mild. Postoperative computed tomography showed increased coaptation in the native-native and reconstructed-native groups. The partial Ozaki technique was safe and effective for cusp-insufficient AR.