ArticleJournal of craniovertebral junction & spine
Novel lateral fiducial marker positioning technique eliminates registration failures in high-body mass index patients during robot-assisted spine surgery.
Article in Journal of craniovertebral junction & spine. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Unsuccessful intraoperative computed tomography (CT) registration creates significant technical barriers limiting robot-assisted spine surgery implementation in obese populations due to imaging system field-of-view constraints exceeding patient dimensions. Materials and Methods: This consecutive series evaluated 63 patients with body mass index exceeding 40 kg/m Results: Lateral positioning was implemented in 17 (27.0%) cases. This approach eliminated severe registration failures, with zero patients requiring more than one reattempt compared to 3 (6.5%) patients in the standard positioning cohort requiring two or more reattempts. Ultimate registration success reached 100% across all cases. First-attempt success was achieved in 82.5% of procedures. Patients requiring reattempts demonstrated significantly prolonged O-arm acquisition intervals (30.3 vs. 19.4 min, Conclusion: Lateral reference marker positioning resolves CT registration challenges in obese patients undergoing robot-assisted spine surgery, achieving universal success using existing equipment without additional capital investment.
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