Two visual arthroplasty techniques for L5-S1 disc herniation: a half-year follow-up evaluation of clinical outcomes

doi:10.12307/2025.151

Abstract

Abstract: BACKGROUND: Currently, spinal endoscopic technology has become the mainstream technology in minimally invasive spinal surgery. The specifications of the instruments for different operating systems are different, and the choice of specific surgical protocols needs to be combined with the actual situation of the patient and the choice of the clinical surgeon.
OBJECTIVE: To compare the early efficacy of percutaneous endoscopic interlaminar discectomy for L5-S1 disc herniation under the iLESSYS Delta System and Endo-Surgi Plus System.
METHODS: Totally 80 patients with L5-S1 disc herniation were treated with percutaneous endoscopic interlaminar discectomy. Patients were divided into two groups based on the endoscopic system used. Among them, 37 cases received the iLESSYS Delta System (Delta group) and 43 cases received the Endo-Surgi Plus System (Plus group). Patient demographic characteristics, perioperative indicators, and complications were analyzed between the two groups. Clinical outcomes were quantified using back and leg visual analog scale scores, Oswestry Disability Index, and Japanese Orthopaedic Association scores at 1 day, 1, 3, and 6 months after surgery. Patient satisfaction was assessed according to modified MacNab criteria at final follow-up.

RESULTS AND CONCLUSION: (1) The operative time and number of arthroplasties in the Plus group were less than those in the Delta group, and the differences were statistically significant (P < 0.05). (2) Compared with the preoperative period, the visual analog scale scores, Oswestry Disability Index, and Japanese Orthopaedic Association scores of patients in both groups improved at all follow-up time points, and the difference was statistically significant (P < 0.001). (3) There was no statistically significant difference in the comparison of pain visual analog scale scores, Oswestry Disability Index, and Japanese Orthopaedic Association scores of patients in the two groups (P > 0.05). (4) At 6-month follow-up after surgery, the MacNab standard excellent and good rates in the Delta group and Plus group were 81% and 79%, respectively, with no significant difference (P=0.823). (5) The incidence of complications was 3% in the Delta group and 2% in the Plus group, but there was no significant difference between the two groups (P=0.914). (6) It is concluded that both iLESSYS Delta and Endo-Surgi Plus surgical systems achieved satisfactory early clinical results in the treatment of lumbar disc herniation, with Endo-Surgi Plus surgical moulding being more efficient and safer.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

Key words: minimally invasive technique, lumbar disc herniation, translaminar approach, nucleotomy, iLESSYS Delta, EndoSurgi Plus

CLC Number:

R459.9|R318|R619

Lu Qi, Sun Maji, Wang Xuezhi, Song Ting, Ma Yiming, Yuan Feng, Chen Hongliang. Two visual arthroplasty techniques for L5-S1 disc herniation: a half-year follow-up evaluation of clinical outcomes[J]. Chinese Journal of Tissue Engineering Research, 2025, 29(9): 1841-1847.

Figures/Tables 4

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