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| REN Longxi,LIANG Xibin,ZHANG Tongtong.[J].Chinese Journal of Spine and Spinal Cord,2012,(4):302-306. |
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| Received:January 04, 2012 Revised:February 14, 2012 |
| English Keywords:Percutaneous laser disc decompression Lumbar disc herniation Laser Mid-term efficacy |
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| English Abstract: |
| 【Abstract】 Objectives: To investigate the mid-term outcome of percutaneous laser disc decompression(PLDD) for lumbar disc herniation(LDH). Methods: Patients with LDH had accepted PLDD from January 2003 to May 2007, 87 cases after treatment were followed up. Of these, there were 45 males and 42 females, aged from 22 to 80 years(mean 52 years). Total energy was 500-800J/disc, the average was 644.8J/disc. The Japanese Orthopaedics Association(JOA) standard was used to evaluate the therapeutic efficacy. The Numeric Rating Scales(NRS) was used to score the main symptoms(back pain, leg pain, numbness) at preoperation and final follow-up after operation. All the patients were divided into age≤55 years group and ＞55 years group, comparing the efficacy of the both groups. At the same time, complications were reviewed. Results: 87 patients were followed up for an average of 60.1 months(36.0 to 88.5 months), the excellent-to-good rate of JOA score at 1 month, 3 months, 6 months, ≥1 year, ≥2 years, ≥3 years, ≥4 years, ≥5 years, ≥6 years post-operation was 55.17%, 77.01%, 81.61%, 81.61%, 85.06%, 87.35%, 85.71%, 85.10%, 84.21% respectively, which showed significant difference compared with 1 month after operation(P<0.05). The NRS score for main complaints at final follow-up showed significant difference compared with preoperative ones. After 3-year follow-up, patients with age less than 50 years and over 50 years showed no significant difference(P>0.05). No complication was noted in all patients. Conclusions: Mid-term outcome of PLDD for LDH is good and stable, which remains the ideal method for lumbar disc herniation. |
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