The Modified Transforaminal Endoscopic Technique in Treating Intracanalicular Combining Foraminal And/or Extraforaminal Lumbar Disc Herniations

Overview

Journal Quant Imaging Med Surg

Specialty Radiology

Date 2018 Dec 4

PMID 30505722

Citations 6

Authors

Yong Zhang

Zhimin Pan

Yanghong Yu

Daying Zhang

Yoon Ha

Seong Yi

Dong Ah Shin

Jingyi Sun

Hisashi Koga

Kevin Phan

Parisa Azimi

Wei Huang

Kai Cao

Affiliations

Soon will be listed here.

Abstract

Background: To develop a modified transforaminal endoscopic spine system (TESSYS) technique for treating intracanalicular combining foraminal and/or extraforaminal lumbar disc herniation (ICFE-LDH), and evaluate the technical efficacy and safety.

Methods: Twenty-three patients with ICFE-LDH underwent the modified TESSYS technique were enrolled. Magnetic resonance imaging (MRI) was used to verify the reduction of herniated disc. Pre- and post-operative neurological functions were compared by visual analogue scale (VAS) score, Oswestry disability index (ODI) and the modified MacNab criteria. The technical safety was evaluated by surgical complications.

Results: MRI demonstrated reductions of disc herniations in 22 patients (95.7%) after surgeries. The VAS scores were significantly improved at 1 year follow-up (low back: P=0.001, lower limbs: P<0.001), as well as ODI scores (P<0.001). 22 patients had achieved excellent and good recovery postoperatively according to the modified MacNab criteria. One patient (4.3%) underwent a reoperation due to postoperative recurrence of disc herniation. Another patient complained postoperative causalgia in 8 weeks, the symptom alleviated after conservative treatment at 1 year follow-up (VAS: back, 3, lower limbs, 0; ODI: 20%). The incidence rate of surgical complication was 8.7%.

Conclusions: The modified TESSYS technique is a minimally-invasive, effective and safe surgery for treating ICFE-LDHs in selected patients.

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