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Prospective cohort study PURPOSE: The objective is to compare post-operative wound pain in patients treated by endoscopic surgery between interlaminar and transforaminal approach at lumbar region. There are two common approaches for endoscopic lumbar spine surgery, interlaminar and transforaminal approach. The wound size of these two approaches is about the same. However, post-operative wound pain may differ according to the entrance area. We conducted a prospectively cohort study including all patients underwent full endoscopic lumbar spine surgery by single surgeon between January 2016 to October 2019. Wound pain using visual analog scale (VAS) at post-operative day 1 and day 14 were collected. VAS back pain, VAS leg pain, Oswestry Disability Index (ODI), modified McNab criteria and complications were also collected. There were 313 patients included in the study. There was no significant difference in VAS wound pain between interlaminar and transforaminal group. Interestingly, subgroup analysis in interlaminar group found statistically significant higher VAS for wound pain at post-operative day 1 when significant bone resection was done by power burr. VAS back-leg pain and ODI have improved significantly between pre-operative and last follow up in both approaches. Wound pain from endoscopic spine surgery is minimal. This study found no difference in wound pain between endoscopic interlaminar and transforaminal approach. Both approaches show favorable clinical outcomes with few serious complications rate. Further study with long term follow up is needed. © 2021. The Author(s), under exclusive licence to Springer-Verlag France SAS, part of Springer Nature.


Pritsanai Pruttikul, Wichayan Chobchai, Tinnakorn Pluemvitayaporn, Sombat Kunakornsawat, Chaiwat Piyaskulkaew, Piyabuth Kittithamvongs. Comparison of post-operative wound pain between interlaminar and transforaminal endoscopic spine surgery: which is superior? European journal of orthopaedic surgery & traumatology : orthopedie traumatologie. 2022 Jul;32(5):909-914

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PMID: 34169355

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