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A pilot study on the recovery from paresis after lumbar disc herniation.

Abstract：

BACKGROUND:Although the existence of a motor defect in discogenic sciatica is a sign of severity, the literature does not provide evidence for an immediate requirement for surgery. OBJECTIVE:To assess the course of sciatica with discogenic paresis and to determine possible prognostic factors for recovery or improvement. STUDY DESIGN:This open prospective multicenter study included patients with discogenic sciatica with paresis that had been developing for less than 1 month and was rated < or =3 on a 5-grade scale. Pain, the strength of 11 muscles, return to work, and analgesic intake were assessed at 1, 3, and 6 months. Recovery and improvement were defined by pain not exceeding 20 mm or < or =50% of the initial pain score and a score of either 5 (recovery) or 4 (improvement) for the weakest muscle at inclusion. RESULTS:Sixty-seven patients were enrolled; 39 (58%) patients were treated surgically and 28 (42%) medically. Surgically treated patients differed from medically treated patients by a higher rate of extruded herniation, a higher number of paretic muscles (6.3 vs. 5; P = 0.051), and a longer course of sciatica (31.4 vs. 17.3 days; P = 0.034). At 6 months, 7 (10.4%) patients were lost to follow-up; 32 (53.3%) had improved, including 18 (30%) recovered, 33 (85%) back to work and having a professional activity, and 22 (39%) still taking analgesics. The only significant difference between recovered and not recovered patients was mean age at inclusion (43 vs. 51 years, P = 0.034). There were no significant differences between improved and not improved patients. Moreover, the outcome was not different in the two treatment groups: there were 17 (53%) improvements in surgically treated patients, including 8 (25%) recoveries, and 14 (56%) improvements in medically treated patients, including 8 (40%) recoveries. CONCLUSION:This pilot study showed no difference between surgical or medical management for recovery or improvement in patients with discogenic paresis. These results need confirmation by a randomized study.

journal_name

Spine (Phila Pa 1976)

journal_title

Spine

authors

Dubourg G,Rozenberg S,Fautrel B,Valls-Bellec I,Bissery A,Lang T,Faillot T,Duplan B,Briançon D,Levy-Weil F,Morlock G,Crouzet J,Gatfosse M,Bonnet C,Houvenagel E,Hary S,Brocq O,Poiraudeau S,Beaudreuil J,de Sauverzac C

doi

10.1097/00007632-200207010-00010

keywords:

subject

Has Abstract

pub_date

2002-07-01 00:00:00

pages

1426-31; discussion 1431

issue

eissn

0362-2436

issn

1528-1159

pii

00007632-200207010-00010

journal_volume

pub_type

临床试验,杂志文章,多中心研究

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A pilot study on the recovery from paresis after lumbar disc herniation.