Percutaneous endoscopic lumbar decompression for lumbar lateral spinal canal stenosis: classification of lateral area of lumbar spinal canal and surgical approaches.
World Neurosurg. 2018 Jul 24;:
Authors: Wang Y, Dou Q, Yang J, Zhang L, Yan Y, Peng Z, Guo C, Kong Q
PURPOSE: The aim of this research was to supply a brand new classification of the lateral area of the lumbar canal (LLSC) and consider the medical end result of surgical remedy of LLSC stenosis guided by the classification.
METHODS: We developed a brand new purposeful classification of the LLSC by dividing the area into 5 zones. Thirty random lumbar imaging research from single-level LLSC stenosis sufferers in our division from January 2015 to June 2015 have been evaluated by Three examiners to validate its reliability. Subsequently, a potential medical end result research of 76 single-level LLSC stenosis sufferers from July 2015 to July 2016 with 2-year follow-up was undertaken. All sufferers obtained both percutaneous endoscopic transforaminal decompression (PETD) with foraminoplasty or percutaneous endoscopic interlaminar decompression (PEID), in line with the steering of the classification. Scientific outcomes have been evaluated by Macnab standards, and pre- and postoperative leg ache have been evaluated utilizing the visible analog scale (VAS).
RESULTS: We noticed a 93.Three% settlement amongst examiners. The imply follow-up length was 15.6 months (vary Three-24). We obtained 93.Four% good and wonderful outcomes on the final follow-up. The imply preoperative VAS rating was 5.72±1.18 (vary Four-9), which decreased to 1.26±Zero.81 (vary Zero-Three) on the third month postoperatively and to Zero.78±Zero.62 (vary Zero-1) by the final follow-up go to. Dural tears appeared in 2 sufferers, and migrated bone moved into the spinal canal after the operation in 1 affected person.
CONCLUSIONS: The brand new classification of LLSC can present goal standards for full-endoscopic surgical procedure which will result in higher medical outcomes.
PMID: 30053559 [PubMed – as supplied by publisher]