• Eur Spine J · Aug 2023

    Pain improvement and reoperation rate after full-endoscopic decompression for lateral recess stenosis: a 10-year follow-up.

    • Withawin Kesornsak, Verapan Kuansongtham, LwinKhin Myat MyatKMMBumrungrad Spine Institute, Bumrungrad International Hospital, 33 Sukhumvit Soi 3, Wattana, Bangkok, 10110, Thailand., and Krit Pongpirul.
    • Bumrungrad Spine Institute, Bumrungrad International Hospital, 33 Sukhumvit Soi 3, Wattana, Bangkok, 10110, Thailand. withawin@bumrungrad.com.
    • Eur Spine J. 2023 Aug 1; 32 (8): 288228882882-2888.

    PurposeTo share long-term clinical outcomes and our experience with full-endoscopic interlaminar decompression (FEI) for lateral recess stenosis (LRS).MethodsWe included all patients who underwent FEI for LRS from 2009 to 2013. VAS for leg pain, ODI, neurological findings, radiographic findings, and complications were analyzed at one week, one month, three months, and one year postoperation. The telephone interview for local patients with simple questions was done approximately ten years after the operation. International patients receive an email with the same questionnaire as local patients during the same follow-up period.ResultsOne hundred and twenty-nine patients underwent FEI for LRS with complete data during 2009-2013. Most of the patients (70.54%) had LRS radiculopathy for less than one year, mainly L4-5 (89.92%), followed by L5-S1 (17.83%). Early outcomes three months after surgery showed that most patients (93.02%) reported significant pain relief, and 70.54% reported no pain at their ODI scores were significantly reduced from 34.35 to 20.32% (p = 0.0052). In contrast, the mean VAS for leg pain decreased substantially by 3.77 points (p < 0.0001). There were no severe complications. At ten years of follow-up, 62 patients responded to the phone call or email. 69.35% of the patients reported having little or no back or leg pain, did not receive any further lumbar surgery, and were still satisfied with the result of the surgery. There were six patients (8.06%) who underwent reoperation.ConclusionFEI for LRS was satisfactory at 93.02%, with a low complication rate during the early follow-up period. Its effect seems to decline slightly in the long term at a 10-year follow-up. 8.06% of the patients subsequently underwent reoperation.© 2023. The Author(s).

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