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Clinical Results about More than 5 Years Follow-up after Open Discectomy

  • Journal of Korean Society of Spine Surgery
  • Abbr : J Kor Spine Sur
  • 2011, 18(3), pp.140-145
  • Publisher : Korean Society Of Spine Surgery
  • Research Area : Medicine and Pharmacy > Orthopedic Surgery

SOH JAE WAN 1 Byungjoon Shin 2 Jae Chul Lee 2 구형모 2 JANG HAE DONG ORD ID 2

1학교법인 동은학원 순천향대학교부속천안병원
2순천향대학교

Accredited

ABSTRACT

Study Design: Retrospective study. Objectives: We analyzed to verify clinical result and recurrence of long term follow-up after open lumbar discectomy. Summary of Literature Review: There are many reports concerning the clinical result of open discectomy. However, long-term result is not frequently reported. Materials and Methods: From 1989 to 2000, 289 patients underwent open discectomies. 142 patients who was followed more than 5years were enrolled in this study. Follow-up rate, clinical outcome were analyzed as gender, age at the operation and operated level. Reoperation rate was analyzed as gender, age at the operation, operated level divided into same level-same side, same level-contralateral side and other level and the time at reoperation. Clinical outcomes were evaluated by Kim and Kim criteria. Results: More than 5 years follow-up rate was 49.1%. Average follow-up period were 99.2 months. Clinically successful result was obtained in 75.4%, and it was not related with gender, age at the operation and operated level. Reoperations were needed in 21patients(14.8%). Reoperation rate was not related with gender, age at the operation. Same level-same side reherniation were frequent before 6 months after first surgery, but other side and different level were similar more than 2 years after first surgery. Conclusions: Our clinical result was acceptable(75.4%). Main cause of reoperations before 6 months after first surgery was recurrence at the same level and same side, but cause of reoperation more than 2 years after first surgery were herniation at the other side and different level increased with time. Key Words: Lumbar spine, Herniated intervertebral disc, Open discectomy, Reoperation

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