Factors affecting fusion rate in adult spondylolisthesis

Sunny S. Kim, Francis Denis, John E. Lonstein, Robert B. Winter

Research output: Contribution to journalArticlepeer-review

81 Scopus citations

Abstract

The authors examined factors affecting fusion rate in the surgical treatment of 89 consecutive adult patients with spondylolisthesis. Two factors significantly improved fusion rate: combined anterior and posterior fusion and rigid postoperative immobilization in the cast. In 65 patients with isthmic spondylolisthesis, the fusion rate was raised from 70% when posterior fusion alone was used to 88% when combined anterior and posterior fusion was used. In 20 patients with degenerative spondylolisthesis, frequent use of combined anterior and posterior fusion contributed to a high overall fusion rate of 95%. Among patients with isthmic spondylolisthesis, postoperative cast immobilization resulted in a higher fusion rate of 90% compared with a fusion rate of 63% obtained after brace immobilization.

Original languageEnglish (US)
Pages (from-to)979-984
Number of pages6
JournalSpine
Volume15
Issue number9
DOIs
StatePublished - Sep 1990

Keywords

  • Adult
  • Anterior and posterior fusion
  • Fusion rate
  • Spondylolisthesis

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