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Presse Med. 1993 Feb 13;22(5):205-6, 211.

[Nociceptive flexion reflex of the leg. Use after surgical treatment of herniated disk].

[Article in French]

Author information

  • 1Clinique des Maladies du Système nerveux et de l'Appareil locomoteur, CHU de La Timone, Marseille.

Abstract

In patients suffering from acute sciatica due to herniated disk Lasegue's manoeuvre inhibits the leg flexion nociceptive reflex (RIII reflex) in either the ipsilateral or the contralateral limb. This is thought to be due what is called "diffuse noxious inhibitor control" modulating the activity of a group of convergent spinal neurons. The purpose of this study was to determine whether surgical resection of the herniated disk in patients suffering from sciatica might relieve this so-called "counter-irritation". Among 10 patients whose sciatica resulted from herniated disk, the decrease in amplitude of the RIII response observed when Lasegue's manoeuvre is applied disappeared in 7 patients, 6 to 8 days after surgical resection of the herniated disk. These results suggest that this test might be a useful tool for postoperative prediction of radicular compression.

PMID:
8511134
[PubMed - indexed for MEDLINE]
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