Early surgery determines recovery of motor deficits in lumbar disc herniations-a prospective single-center study.

Abstract:

BACKGROUND:Patients with intervertebral disc herniation undergo surgical removal of herniated disc material in cases of persisting symptoms and/or neurologic deficits. While motor deficits often prompt surgery, little is known about the optimal timing of surgery in these cases. The aim of this study was to prospectively evaluate the impact of timing of disc surgery on motor recovery. Does postponing surgical treatment worsen outcome? METHOD:In total, 120 patients with sciatica and/or sensorimotor deficits due to a lumbar disc herniation were surgically treated at the authors' center within a 3-month period. In 60 patients, motor deficits were present at the time of admission. Motor function was assessed using manual muscle testing and subdivided according to the Medical Research Council (MRC) scale. Patient demographics, neurologic deficits, duration of motor deficits, treatment characteristics, and outcome were assessed. At a minimum follow-up of 1 year, functional recovery and complications were collated. Patients were subdivided into groups according to the severity of the paresis (MRC ≤ 3/5 vs. MRC 4/5). Intra-group differences were compared based on the duration of the neurologic deficits. RESULTS:Patients with moderate and severe paresis (MRC ≤ 3/5) benefit from treatment within 72 h as they were shown to have a significantly higher complete recovery rate at 1-year follow-up (75% vs. 0%; p < 0.001). CONCLUSION:Immediate surgery should be offered to patients with moderate and severe motor deficits to increase the likelihood of neurologic recovery. This prospective data may have an impact on emergency triage in these patients.

journal_name

Acta Neurochir (Wien)

journal_title

Acta neurochirurgica

authors

Kögl N,Brawanski K,Girod PP,Petr O,Thomé C

doi

10.1007/s00701-020-04614-0

subject

Has Abstract

pub_date

2021-01-01 00:00:00

pages

275-280

issue

1

eissn

0001-6268

issn

0942-0940

pii

10.1007/s00701-020-04614-0

journal_volume

163

pub_type

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