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Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2018 Jun 15;32(6):673-677. doi: 10.7507/1002-1892.201712015.

[Short-term effectiveness of percutaneous endoscopic lumbar discectomy in treatment of buttock pain associated with lumbar disc herniation].

[Article in Chinese; Abstract available in Chinese from the publisher]

Author information

1
Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China.
2
Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China.kongspine@126.com.

Abstract

in English, Chinese

Objective:

To evaluate the short-term effectiveness of percutaneous endoscopic lumbar discectomy (PELD) in treatment of buttock pain associated with lumbar disc herniation.

Methods:

Between June 2015 and May 2016, 36 patients with buttock pain associated with lumbar disc herniation were treated with PELD. Of 36 cases, 26 were male and 10 were female, aged from 18 to 76 years (mean, 35.6 years). The disease duration ranged from 3 months to 10 years (mean, 14 months). The location of the pain was buttock in 2 cases, buttock and thigh in 6 cases, buttock and the ipsilateral lower extremity in 28 cases. Thirty-four patients had single-level lumbar disc herniation, and the involved segments were L 4, 5 in 15 cases and L 5, S 1 in 19 cases; 2 cases had lumbar disc herniation at both L 4, 5 and L 5, S 1. The preoperative visual analogue scale (VAS) score of buttock pain was 6.1±1.3. VAS score was used to evaluate the degree of buttock pain at 1 month, 3 months, 6 months, and last follow-up postoperatively. The clinical outcome was assessed by the modified MacNab criteria at last follow-up.

Results:

All patients were successfully operated and the operation time was 27-91 minutes (mean, 51 minutes). There was no nerve root injury, dural tear, hematoma formation, or other serious complications. The hospitalization time was 3-8 days (mean, 5.3 days). All incisions healed well and no infection occurred. Patients were followed up 12-24 months (median, 16 months). MRI examination results showed that the dural sac and nerve root compression were sufficiently relieved at 3 months after operation. Patients obtained pain relief after operation. The postoperative VAS scores of buttock pain at 1 month, 3 months, 6 months, and last follow-up were 1.1±0.6, 0.9±0.3, 1.0±0.3, and 0.9±0.4 respectively, showing significant differences when compared with preoperative VAS scores ( P<0.05); there was no significant difference in VAS score between the different time points after operation ( P>0.05). At last follow-up, according to the modifed MacNab criteria, the results were excellent in 27 cases, good in 9 cases, and fair in 2 cases, and the excellent and good rate was 94.4%.

Conclusion:

PELD can achieve satisfactory short-term results in the treatment of buttock pain associated with lumbar disc herniation and it is a safe and effective minimally invasive surgical technique.

KEYWORDS:

Lumbar disc herniation; buttock pain; minimally invasive technique; percutaneous endoscopic lumbar discectomy

PMID:
29905043
DOI:
10.7507/1002-1892.201712015
[Indexed for MEDLINE]

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