Quantificational foraminoplasty device found to be Safe in P
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Percutaneous transforaminal endoscopic discectomy (PTED) is minimally invasive and has been widely used to treat patients with lumbar disc herniation (LDH) due to its safety and efficiency. ZESSYS, a targeted and quantificational foraminoplasty device, may help to overcome these anatomical limitations. In this study, researchers assessed the efficiency and the short-term effects of PTED with ZESSYS at the L5–S1 level.

56 patients with lumbar disc herniation at the single level of L5–S1 and who underwent percutaneous transforaminal endoscopic discectomy were enrolled. They were segregated into the transforaminal endoscopic surgical system -TESSYS group and the ZESSYS group.

The puncture time, foraminoplasty time, decompression time, and fluoroscopy time were evaluated for operation efficiency. Clinical outcomes were assessed by the visual analog scale (VAS) score and Oswestry Disability Index (ODI) score. The MacNab criteria were used to evaluate patient subjective satisfaction at 12-month follow-up postoperatively.

Results:
--The average puncture time, foraminoplasty time, and fluoroscopy time were all significantly shorter in the ZESSYS group than in the TESSYS group.

--No significant differences were observed between the 2 groups in the decompression time.

--The VAS score of low back pain and leg pain, as well as the ODI score, improved at all time points postoperatively compared with preoperative, in both the TESSYS group and the ZESSYS group.

--There were no significant differences in the VAS score of low back pain, VAS score of leg pain, and ODI score between the TESSYS group and the ZESSYS group at the same time points.

--According to the MacNab criteria, the excellent and good rate at 12-month follow-up postoperatively was 85.7% in the TESSYS group and 89.3% in the ZESSYS group.

Finally, in the punch and foraminoplasty processes, the targeted and quantified foraminoplasty device, dubbed ZESSYS, was efficient to safeguard the exiting nerve and minimize radiation exposure. The PTED device is effective and safe in the treatment of L5–S1 lumbar disc herniation.

Source: https://josr-online.biomedcentral.com/articles/10.1186/s13018-021-02533-z
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