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Rogers' posterior cervical fusion--a 3-month radiological review.

Abstract
Rogers described his technique of spinal fusion in 1942, and since then numerous other techniques have been described but no large series describing the anatomical results has been reported. To assess the technical success of Rogers' technique, to identify factors that contribute to less than ideal anatomical results, and to suggest methods of avoiding potential pitfalls, the anatomical results of Rogers' posterior cervical fusion were compared with what we consider an ideal anatomical result by analysis of the 12-week post-operative flexion/extension radiographs. One hundred and sixty-one Rogers-type posterior cervical fusions using either wire or Ethibond were performed for flexion injuries. The 12-week post-operative flexion extension radiographs were assessed for union, fusion of extra levels, residual kyphosis/listhesis, excessive lordosis, and hypermobility. Results were related to the presence of associated fractures, using the chi 2 test. Bony union was seen in 100 per cent of cases. Fusion of additional levels occurred in 40 (25 per cent), residual kyphosis in 54 (34 per cent), listhesis in 14 (9 per cent), and excessive lordosis in seven (4 per cent). Hypermobility at the adjacent level occurred in 10 (6 per cent), and at a distant level in five (3 per cent). Statistically significant associations occurred between fusion of extra levels and fractures, residual kyphosis and fractures, excessive lordosis with the use of wire rather than Ethibond, and the desired anatomical result with absence of fracture. The Rogers technique is a safe, easy and reliable method of achieving cervical fusion, with a 100 per cent fusion rate at 3 months in this series. However, the intended position of fusion, between 1 degree-5 degrees of lordosis, with normal alignment, is not always achieved. There is also a high incidence of fusion of levels other than those intended. We believe that the incidence of these problems could be reduced by more attention to surgical detail.
AuthorsA S Lee, A M Wainwright, D A Newton
JournalInjury (Injury) Vol. 27 Issue 3 Pg. 169-73 (Apr 1996) ISSN: 0020-1383 [Print] Netherlands
PMID8736289 (Publication Type: Journal Article)
Topics
  • Adolescent
  • Adult
  • Cervical Vertebrae (diagnostic imaging, injuries)
  • Child
  • Female
  • Follow-Up Studies
  • Humans
  • Joint Dislocations (diagnostic imaging, surgery)
  • Male
  • Middle Aged
  • Radiography
  • Retrospective Studies
  • Spinal Fusion (methods)
  • Treatment Outcome

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