Evolving Paradigms in Complex IVC Filter Retrieval : Navigating Beyond Conventional Techniques

The landscape of interventional radiology has witnessed a remarkable evolution in the domain of inferior vena cava (IVC) filterretrievals, heralding a new era of procedural innovation and technical prowess.The impetus for this transformation has been the development and integration of diverse technical tools and the refinement of skill sets among practitioners, facilitating a paradigmatic shift in how complex retrievals are approached and executed.Historically, the procedural orthodoxy for IVC filter retrieval has been predominantly anchored in the utilization of standard techniques such as the loop and snare or the snare and sheath methods. These conventional methodologies have been explicitly delineated within the Instructions for Use (IFU) by filter manufacturers as the recommended approaches for retrieval, thus shaping the procedural norms within the field. However, the clinical landscape is markedly dynamic, characterized by a continuous influx of complex cases where traditional retrieval methods may not suffice due to various complicating factors such as filter tilt, migration, embedding within the venous wall, or significant endothelialization.Such complexities necessitate a reevaluation of conventional strategies and the exploration of alternative, more versatile techniques capable of addressing the unique challenges presented by these difficult-to-retrieve filters.