Do Intraoperative Radiographs in Scoliosis Surgery Reflect Radiographic Result?

It is often difficult to predict postoperative radiographic curve magnitude and balance parameters while performing intraoperative correction during scoliosis surgery. We asked whether there was a radiographic correlation between intraoperative long-cassette scoliosis film and postoperative standing...

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Bibliographic Details
Published in:Clinical orthopaedics and related research 2010-03, Vol.468 (3), p.679-686
Main Authors: Lehman, Ronald A., Lenke, Lawrence G., Helgeson, Melvin D., Eckel, Tobin T., Keeler, Kathryn A.
Format: Article
Language:English
Subjects:
Adolescent
Bone Screws
Conservative Orthopedics
Humans
Intraoperative Period
Medicine
Medicine & Public Health
Orthopedics
Radiography
Retrospective Studies
Scoliosis - diagnostic imaging
Scoliosis - pathology
Scoliosis - surgery
Spinal Fusion - instrumentation
Spinal Fusion - methods
Spine - diagnostic imaging
Sports Medicine
Surgery
Surgical Orthopedics
Symposium: Pediatric Spine
Treatment Outcome
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Summary:It is often difficult to predict postoperative radiographic curve magnitude and balance parameters while performing intraoperative correction during scoliosis surgery. We asked whether there was a radiographic correlation between intraoperative long-cassette scoliosis film and postoperative standing radiographs of adolescent idiopathic scoliosis with pedicle screw instrumentation. We retrospectively reviewed 44 patients with adolescent idiopathic scoliosis who underwent posterior instrumentation with pedicle screws. We made preoperative, intraoperative (after instrumentation and correction), and standing postoperative radiographic measurements (eg, curve magnitudes, coronal and sagittal balance, disc angles) and compared those for the intra- and postoperative radiographs. The intraoperative long-cassette scoliosis film correlated with the immediate postoperative standing film for all curve correction and balance parameters. The routine use of a long-cassette intraoperative scoliosis film provides the surgeon with a valuable tool to guide intraoperative decision-making and foreshadows the correction and balance obtained on the immediate postoperative film. Level of Evidence: Level IV, retrospective study. See Guidelines for Authors for a complete description of levels of evidence.
ISSN:0009-921X
1528-1132
DOI:10.1007/s11999-009-0873-z