Benchmark Values for Construct Survival and Complications by Type of ASD Surgery.

dc.contributor.author

Bass, Robert Daniel

dc.contributor.author

Lafage, Renaud

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Smith, Justin S

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Ames, Christopher

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Bess, Shay

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Eastlack, Robert

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Gupta, Munish

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Hostin, Richard

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Kebaish, Khaled

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Kim, Han Jo

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Klineberg, Eric

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Mundis, Gregory

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Okonkwo, David

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Shaffrey, Christopher

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Schwab, Frank

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Lafage, Virginie

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Burton, Douglas

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International Spine Study Group

dc.date.accessioned

2024-05-01T13:23:50Z

dc.date.available

2024-05-01T13:23:50Z

dc.date.issued

2024-04

dc.description.abstract

Objective

Provide benchmarks for the rates of complications by type of surgery performed.

Study design

Prospective multicenter database.

Background

We have previously examined overall construct survival and complication rates for ASD surgery. However, the relationship between type of surgery and construct survival warrants more detailed assessment.

Methods

Eight surgical scenarios were defined based on the levels treated, previous fusion status (primary [P] vs. revision [R]), and 3-column osteotomy use [3CO]: Short Lumbar fusion, LT-Pelvis with 5-12 levels treated (P, R or 3CO), UT-Pelvis with  13 levels treated (P, R or 3CO), and Thoracic to Lumbar fusion without pelvic fixation, representing 92.4% of the case in the cohort. Complication rates for each type were calculated and Kaplan Meier curves with multivariate Cox regression analysis was used to evaluate the effect of the case characteristics on construct survival rate, while controlling for patient profile.

Results

1073 of 1494 patients eligible for 2-year follow-up (71.8%) were captured. Survival curves for major complications (with or without reoperation), while controlling for demographics differed significantly among surgical types (P<0.001). Fusion procedures short of the pelvis had the best survival rate, while UT-Pelvis with 3CO had the worst survival rate. Longer fusions and more invasive operations were associated with lower 2-year complication-free survival, however there were no significant associations between type of surgery and renal, cardiac, infection, wound, gastrointestinal, pulmonary, implant malposition or neurologic complications (all P>0.5).

Conclusion

This study suggests that there is an inherent increased risk of complication for some types of ASD surgery independent of patient profile. The results of this paper can be used to produce a surgery-adjusted benchmark for ASD surgery with regard to complications and survival. Such a tool can have very impactful applications for surgical decision making and more informed patient counseling.
dc.identifier

00007632-990000000-00643

dc.identifier.issn

0362-2436

dc.identifier.issn

1528-1159

dc.identifier.uri

https://hdl.handle.net/10161/30644

dc.language

eng

dc.publisher

Ovid Technologies (Wolters Kluwer Health)

dc.relation.ispartof

Spine

dc.relation.isversionof

10.1097/brs.0000000000005012

dc.rights.uri

https://creativecommons.org/licenses/by-nc/4.0

dc.subject

International Spine Study Group

dc.title

Benchmark Values for Construct Survival and Complications by Type of ASD Surgery.

dc.type

Journal article

duke.contributor.orcid

Shaffrey, Christopher|0000-0001-9760-8386

pubs.organisational-group

Duke

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School of Medicine

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Clinical Science Departments

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Orthopaedic Surgery

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Neurosurgery

pubs.publication-status

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