Abstract
Background
Although many reports are available on using a variety of instruments and techniques to prevent wrong-level spine surgery, the accurate localization of the correct spinal level remains problematic. At the same time, surgeons are also required to reduce radiation exposure to patients and operating room personnel. To solve these problems, we developed and used specially designed marking devices with a unique three-dimensional structure.
Purpose
To evaluate the accuracy of our novel devices for localization of the spinal level to prevent wrong-level surgery and reduce the amount and time of radiation exposure during surgery.
Study design
This was a retrospective cohort study.
Methods
In 8240 consecutive patients who underwent microendoscopic spine surgery between 1993 and 2012, the incidence of wrong-level surgery was studied. In addition, the amount of radiation exposure and total fluoroscopy time were measured in recent 100 consecutive patients using a digital dosimeter attached to the fluoroscope.
Results
Eight (0.097 %) patients had undergone wrong-level surgery. The average radiation exposure was 0.26 mGy (range 0.10–1.15 mGy), and the average total fluoroscopy time was 3.1 s (range 1–7 s).
Conclusions
Our novel localization devices and technique for their use in spine surgery are reliable and accurate for identifying the target level and contributed to reductions in preoperative localization error and radiation exposure to patients and operating room personnel.
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Takami, M., Elwany, A. & Destandau, J. Accuracy and evaluation of irradiation of novel localization devices with unique three-dimensional structures in microendoscopic spine surgery. Eur J Orthop Surg Traumatol 26, 253–258 (2016). https://doi.org/10.1007/s00590-016-1747-1
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DOI: https://doi.org/10.1007/s00590-016-1747-1