title: [Analysis of curative effect of discectomy for lumbar intervertebral disc herniation].
abstract: OBJECTIVE
  To evaluate the short and long term results of discectomy for lumbar intervertebral disc herniation.
  
  
  METHODS
  From 2000 to 2007, 400 patients (male 220 and female 180, the age was from 16 to 73 years old with an average of 42.3 years) with lumbar intervertebral disc herniation underwent discectomy by posterior mini-incision less than 5 cm and vertebrae plate was ectomized in 2 cm x 2 cm winder,and nerve root was compressied. The short and long term clinical result were analyzed with SPSS 10.0 software.
  
  
  RESULTS
  Three hundred and eighty patients were followed up in the short term (less than 2 years after operation), 308 cases obtained excellent result, 48 good, fair 24, the excellent and good rate was 93.7%. Three hundred and forty-eight patients were followed up in the long term (more than 3 years after operation), 244 cases obtained excellent result, 48 good, fair 56,the excellent and good rate was 83.9%. There was significant difference in follow-up between the short and long term (P < 0.05).
  
  
  CONCLUSIONS
  The clinical effect of discectomy for lumbar intervertebral disc herniation decreased with time lapse.
authors.affiliation: Department of Orthopaedics and Traumatology, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhe-jiang, China.
authors.forename: Lei-jun
authors.initials: LJ
authors.lastname: Yu
authors.forename: Hong-pu
authors.initials: HP
authors.lastname: Song
authors.forename: Chun
authors.initials: C
authors.lastname: Zhang
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D017586:Diskectomy; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000601:surgery* / Q000628:therapy*; D008159:Lumbar Vertebrae / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D013997:Time Factors; D016896:Treatment Outcome