Leveraging mixed reality in mitraclip implantation: A preliminary case series toward a pilot study

• Published in: European heart journal Vol. 45; no. Supplement_1
• Main Authors: Hecko, J, Jiravsky, O, Januska, J, Hudec, M, Precek, D, Gajdusek, L, Ranic, I, Neuwirth, R, Sknouril, L
• Format: Journal Article
• Language: English
• Published: 28.10.2024
• ISSN: 0195-668X; 1522-9645
• DOI: 10.1093/eurheartj/ehae666.2471

Abstract Introduction The advent of mixed reality (MR) technology, particularly when combined with Hololens 2.0 and specialized software for three-dimensional DICOM image visualization, offers a promising avenue for enhancing the precision and spatial awareness in interventional cardiology procedures. This case series aims to preliminarily evaluate the impact of MR on MitraClip implantation processes, setting a foundation for an ensuing comprehensive pilot study. Methods We conducted a comparative analysis within a case series of four MitraClip implantations, categorizing them into two groups based on the utilization of MR support. We examined procedural efficiency, radiation metrics (SKIA and DAP), and operator stress indicators, including cortisol levels, heart rate variability, QTc interval, and subjective assessments through NASA TLX, STAI Y, and SSQ questionnaires. Results Initial findings from the MR-assisted procedures suggest a notable improvement in procedural efficiency and a reduction in operator stress. Specifically, MR use was associated with shorter procedural times (ranging from 60 to 130 minutes) and lower radiation exposure, with SKIA durations between 15.5 and 40.5 minutes. Moreover, operators in the MR group showed reduced cortisol levels (8.2-9.2 mmol/L), indicating decreased physiological stress. Heart rate variability analysis further supported superior stress management among MR-supported operators. Subjective evaluations reinforced these physiological findings. NASA TLX scores in the MR group (13-20) markedly contrasted with those in the control group (30-45), signifying a significant reduction in perceived workload. SSQ scores remained minimal, implying good MR tolerability, and STAI Y scores (30-35) were lower than those in the control group (40-50), highlighting reduced anxiety levels during MR-assisted procedures. Conclusion This explorative case series lays the groundwork for a forthcoming pilot study, revealing MR's potential to not only streamline MitraClip implantation but also to alleviate operator stress. Both objective and subjective data advocate for expanded research to definitively ascertain MR's benefits in cardiac interventions, promising to refine procedural workflows and enhance patient outcomes. This series acts as a stepping stone towards a larger-scale evaluation that could solidify MR's role in the future of interventional cardiology.Operator's View and Technology PreviewFunction diagram