Radiological and clinical differences between robotic-assisted pedicle screw fixation with and without real-time optical
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ORIGINAL ARTICLE
Radiological and clinical differences between robotic‑assisted pedicle screw fixation with and without real‑time optical tracking Jinpeng Du1 · Lin Gao1 · Dageng Huang1 · Lequn Shan1 · Wentao Wang1 · Yong Fan1 · Dingjun Hao1 · Liang Yan1 Received: 23 May 2020 / Revised: 15 September 2020 / Accepted: 12 October 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Objective To study radiological and clinical differences between robotic-assisted pedicle screw fixation with and without real-time optical tracking. Methods Patients who underwent lumbar internal fixation in our hospital from June 2017 to February 2020 were divided into Tinavi group (with optical tracking) and Renaissance group (without optical tracking) according to assisted technology. The imaging data of the patients were collected, and the accuracy of screw implantation was measured according to Rampersaud A–D grade. Clinical outcomes such as operative time, fluoroscopic time and radiations dose were also collected. Results A total of 376 patients were included, including 201 patients in the Tinavi group with 968 screws implanted and 175 patients in the Renaissance group with 822 screws implanted. The accuracy of "perfect" and "clinically acceptable" pedicle screw implantation in the Tinavi group was 94.9%–98.7%, respectively, while in the Renaissance group was 91.2%–94.5%, respectively. There was significant difference between the two groups (P
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