Abstract
To explore the feasibility of full endoscopic fenestration (FE-FE) via interlaminar approach for the treatment of lumbar spinal stenosis (LSS), and meanwhile, to analyze the related practicability and clinical outcome. Referring to the traditional laminectomy and decompression, the lumbar spinal canal decompression was performed by using the water-medium spinal endoscopy (named FE-FE technique). Thirty-seven patients with LSS treated by FE-FE technique were retrospectively analyzed. There were 19 males and 18 females, aged from 55 to 83 years old with an average of (67.1±18.9) years. Visual analogue scale(VAS), Japanese Orthopaedic Association Scores(JOA), Oswestry Disability Index (ODI) and 36-Item Short-Form Health Survey (SF-36) were recorded. The patient's conscious pain and recovery of neurological function were observed, and the clinical efficacy was evaluated according to the improvement rate of JOA score. All 37 patients were followed up for 8 to 24 months with an average of (13.7±6.1) months. The postoperative follow-up and clinical evaluation for conscious pain and neurological function recovery showed that VAS, JOA, ODI and SF-36 scores were significantly improved compared with those before surgery(P<0.05). According to the improvement rate of JOA score to evaluate the clinical effects, at 6 months after opertion, the results were excellent in 17 cases, good in 13 cases, fair in 5 cases, and poor in 2 cases;and the last follow-up, the results were excellent in 19 cases, good in 13 cases, fair in 4 cases, and poor in 1 case. Postoperative imaging showed significant expansion of spine canal volume, and the followed-up clinical symptoms were improved satisfactorily, with the relief of lumbago and leg pain, improvement of daily life quality, and increased adaptability to social activities and no serious complications. Precise localization is the key to complete the canal decompression under full endoscopic surgery. FE-FE technique can effectively enlarge the narrow lumbar canal with less trauma, positive efficacy, safety and reliability. FE-FE has a broad application prospect though large cases and multi-center studies need to be further carried out.
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More From: Zhongguo gu shang = China journal of orthopaedics and traumatology
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