Predictors of Noncoaxial Anteroposterior Deployment of Transcatheter Aortic Valve Replacement

•Novel measurement: This study introduces a novel technique for measuring anteroposterior (AP) axial angle to quantify the coaxiality of valve deployment in balloon-expandable transcatheter aortic valve replacement.•Identification of key predictors: Multivariable analysis identified predeployment noncoaxial transcatheter aortic valve replacement valve position and right anterior oblique coplanar angles as independent predictors of noncoaxial valve placement.•AP noncoaxial deployment: Although previous research has largely examined lateral noncoaxiality, this study focuses on the predictors and implications of AP noncoaxial deployment.•Predictive heatmap visualization: The research utilized a generalized linear model to develop an unadjusted heatmap, visualizing the probability of noncoaxial implant based on computed tomography-determined fluoroscopic coplanar angles.