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. 2022 Jun 1;23(1):522.
doi: 10.1186/s12891-022-05443-1.

Comparison of electromagnetic and optical navigation assisted Endo-TLIF in the treatment of lumbar spondylolisthesis

De-Rong Xu  1 , Liang-Rui Luan  1 , Xue-Xiao Ma  1 , Zhi-Chao Cong  2 , Chuan-Li Zhou  3
Affiliations

Comparison of electromagnetic and optical navigation assisted Endo-TLIF in the treatment of lumbar spondylolisthesis

De-Rong Xu et al. BMC Musculoskelet Disord. .

Erratum in

Abstract

Uniportal full endoscopic posterolateral transforaminal lumbar interbody fusion (Endo-TLIF) with percutaneous pedicle screw fixation is a promising, minimally invasive method for the treatment of lumbar spondylolisthesis. However, repeated radiation exposure from X-rays and the steep learning curve remain to be improved.

Keywords: Electromagnetic navigation; Endo-TLIF; Optical navigation.

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Conflict of interest statement

The authors declare that they have no Conflicts of Interest.

Figures

Fig. 1
Fig. 1
Representative case of a patient before Endo-TLIF. A and B: the fluoroscopic AP (a) and lateral (b) views. C and D: CT scan and MRI of the case with lumbar spondylolisthesis
Fig. 2
Fig. 2
A The result of transcranial electrical stimulation-induced motor-evoked potentials (MEPs) and electromyography (EMG) monitoring during the operation. B The surgical incision. C An interbody fusion cage was observed under endoscope
Fig. 3
Fig. 3
The incision plan. A According to C-arm positioning, bilateral iliac crest and pedicles were marked. B Navigation sensor frame is fixed beside operating bed
Fig. 4
Fig. 4
Preparation of Electromagnetic navigation. A After the field generator and a patient tracker equipped with signal coils was fixed on the ilium. B and C Anteroposterior and lateral fluoroscopic views of the lumbar segment were taken. D The software made surface matching on the respective vertebral body with the preoperative CT data in the electromagnetic coordinate system
Fig. 5
Fig. 5
A Access Tracker was successfully registered. B and E Guide wires insertion. In the navigation system, the procedure and track of Access Tracker is real-time visible in all spatial planes so the operator can make a quick adjustment as needed. C and D Determine the position of the guide wire and the endoscopic working channel with anteroposterior and lateral fluoroscopic views
Fig. 6
Fig. 6
Operation field under endoscope, green indicates safe operation. A The Laminotomy was achieved via the circular saw assisted by electromagnetic navigation under the view of the endoscope. B The discectomy was achieved assisted by electromagnetic navigation under the view of the endoscope. Cartilage endplate was exposed. C The dural sac was exposed, and pulsation of the dural sac improved. D The model cage was implanted to the center of the intervertebral space in appropriate depth, with the location confirmed by electromagnetic navigation
Fig. 7
Fig. 7
A The circular saw was registered to be connected to the electromagnetic navigation system. B The pedicle screws were installed to replace four guide wires. C and D The position of screws and cage were verified under C-arm fluoroscopy
Fig. 8
Fig. 8
A case of Endo-TLIF assisted by optical navigation navigation. A and B Intraoperative C-arm image of the guide wires. B and C The position of screws and cage were verified under C-arm fluoroscopy
Fig. 9
Fig. 9
The pedicle screws were installed assisted by optical navigation
Fig. 10
Fig. 10
Postoperative radiographs (A and B) and CT scan (C)
See this image and copyright information in PMC

References

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