Abstract
To compare the clinical efficacy of interlaminar endoscopic surgical system delta (iLESSYS-Delta) discectomy with that of classical fenestration discectomy for treating lumbar disc herniation. Patients who underwent iLESSYS-Delta or fenestration discectomy were enrolled in this study. Baseline information and clinical indicators were collected. The baseline data were matched using propensity score matching. Fifty-two patients were in each group. In the iLESSYS-Delta cohort, the volume of intraoperative bleeding was 18.17 ± 4.20 ml, the length of postoperative hospital stay was 4.16 ± 2.29 days, and the length of postoperative off-bed activity was 1.58 ± 0.88 days. In contrast, in the fenestration group, the volume of intraoperative bleeding was 32.50 ± 17.13 ml, the length of postoperative hospital stay was 6.66 ± 2.44 days, and the length of postoperative off-bed activity was 3.18 ± 1.28 days. The difference between the two groups was statistically significant (P < 0.05). The operation time was 88.90 ± 19.14 min in the iLESSYS-Delta group and 67.63 ± 19.32 min in the fenestration group, and the difference between the two groups was statistically significant (P < 0.05). Regarding the pain visual analogue scale scores at 24, 48, and 72 h after surgery, patients in the iLESSYS-Delta group had less pain than did those in the fenestration group (P < 0.05). The Oswestry disability indices of postoperative patients in both groups significantly improved at 3 months after surgery and at the last follow-up (P < 0.05); however, there was no statistically significant difference in the postoperative ODI scores between the two surgery groups (P > 0.05). The two groups showed no significant differences in clinical effects, postoperative recurrence rates, or perioperative complications. iLESSYS-Delta can cause less intraoperative bleeding and faster recovery than fenestration discectomy.
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