Recovery Kinetics of Radiographic and Implant-Related Revision Patients Following Adult Spinal Deformity Surgery

Peter G. Passias, Cyrus M. Jalai, Virginie Lafage, Gregory W. Poorman, Shaleen Vira, Samantha R. Horn, Justin K. Scheer, D. Kojo Hamilton, Breton G. Line, Shay Bess, Frank J. Schwab, Christopher P. Ames, Douglas C. Burton, Robert A. Hart, Eric O. Klineberg

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

BACKGROUND: Prior studies have observed similar health-related quality of life (HRQL) in revisions and nonrevision (NR) patients following adult spinal deformity (ASD) correction. However, a novel comparison approach may allow better comparisons in spine outcomes groups. OBJECTIVE: To determine if ASD revisions for radiographic and implant-related complications undergo a different recovery than NR patients. METHODS: Inclusion: ASD patients with complete HRQL (Oswestry Disability Index, Short-Form-36 version 2 (SF-36), Scoliosis Research Society [SRS]-22) at baseline, 6 wk, 1 yr, 2 yr. Generated revision groups: nonrevision (NR), revised-complete data (RC; with follow-up 2 yr after revision), and revised-incomplete data (RI; without 2-yr follow-up after revision). In a traditional analysis, analysis of variance (ANOVA) compared baseline HRQLs to follow-up changes. In a novel approach, integrated health state was normalized at baseline using area under curve analysis before ANOVA t-tests compared follow-up statuses. RESULTS: Two hundred fifty-eight patients were included with 50 undergoing reoperations (19.4%). Rod fractures (n = 15) and proximal joint kyphosis (n = 9) were most common. In standard HRQL analysis, comparing RC index surgery and RC revision surgery HRQLS revealed no significant differences throughout the 2-yr follow-up from either the initial index or revision procedure. Using normalized HRQL/integrated health state, RI displayed worse scores in SF-36 Physical Component Score, SRS activity, and SRS appearance relative to NR (P < .05), indicating less improvement over the 2-yr period. RC were significantly worse than RI in SF-36 Mental Component Score, SRS mental, SRS satisfaction, and SRS total (P < .05). CONCLUSION: ASD patients indicated for revisions for radiographic and implant-related complications differ significantly in their overall 2-yr recovery compared to NR, using a normalized integrated health state method. Traditional methods for analyzing revision patients' recovery kinetics may overlook delayed improvements.

Original languageEnglish (US)
Pages (from-to)700-708
Number of pages9
JournalNeurosurgery
Volume83
Issue number4
DOIs
StatePublished - Oct 1 2018
Externally publishedYes

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Scoliosis
Research
Quality of Life
Reoperation
Analysis of Variance
Health
Kyphosis
Area Under Curve
Spine
Joints

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology

Cite this

Passias, P. G., Jalai, C. M., Lafage, V., Poorman, G. W., Vira, S., Horn, S. R., ... Klineberg, E. O. (2018). Recovery Kinetics of Radiographic and Implant-Related Revision Patients Following Adult Spinal Deformity Surgery. Neurosurgery, 83(4), 700-708. https://doi.org/10.1093/neuros/nyx490

Recovery Kinetics of Radiographic and Implant-Related Revision Patients Following Adult Spinal Deformity Surgery. / Passias, Peter G.; Jalai, Cyrus M.; Lafage, Virginie; Poorman, Gregory W.; Vira, Shaleen; Horn, Samantha R.; Scheer, Justin K.; Hamilton, D. Kojo; Line, Breton G.; Bess, Shay; Schwab, Frank J.; Ames, Christopher P.; Burton, Douglas C.; Hart, Robert A.; Klineberg, Eric O.

In: Neurosurgery, Vol. 83, No. 4, 01.10.2018, p. 700-708.

Research output: Contribution to journalArticle

Passias, PG, Jalai, CM, Lafage, V, Poorman, GW, Vira, S, Horn, SR, Scheer, JK, Hamilton, DK, Line, BG, Bess, S, Schwab, FJ, Ames, CP, Burton, DC, Hart, RA & Klineberg, EO 2018, 'Recovery Kinetics of Radiographic and Implant-Related Revision Patients Following Adult Spinal Deformity Surgery', Neurosurgery, vol. 83, no. 4, pp. 700-708. https://doi.org/10.1093/neuros/nyx490
Passias, Peter G. ; Jalai, Cyrus M. ; Lafage, Virginie ; Poorman, Gregory W. ; Vira, Shaleen ; Horn, Samantha R. ; Scheer, Justin K. ; Hamilton, D. Kojo ; Line, Breton G. ; Bess, Shay ; Schwab, Frank J. ; Ames, Christopher P. ; Burton, Douglas C. ; Hart, Robert A. ; Klineberg, Eric O. / Recovery Kinetics of Radiographic and Implant-Related Revision Patients Following Adult Spinal Deformity Surgery. In: Neurosurgery. 2018 ; Vol. 83, No. 4. pp. 700-708.
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abstract = "BACKGROUND: Prior studies have observed similar health-related quality of life (HRQL) in revisions and nonrevision (NR) patients following adult spinal deformity (ASD) correction. However, a novel comparison approach may allow better comparisons in spine outcomes groups. OBJECTIVE: To determine if ASD revisions for radiographic and implant-related complications undergo a different recovery than NR patients. METHODS: Inclusion: ASD patients with complete HRQL (Oswestry Disability Index, Short-Form-36 version 2 (SF-36), Scoliosis Research Society [SRS]-22) at baseline, 6 wk, 1 yr, 2 yr. Generated revision groups: nonrevision (NR), revised-complete data (RC; with follow-up 2 yr after revision), and revised-incomplete data (RI; without 2-yr follow-up after revision). In a traditional analysis, analysis of variance (ANOVA) compared baseline HRQLs to follow-up changes. In a novel approach, integrated health state was normalized at baseline using area under curve analysis before ANOVA t-tests compared follow-up statuses. RESULTS: Two hundred fifty-eight patients were included with 50 undergoing reoperations (19.4{\%}). Rod fractures (n = 15) and proximal joint kyphosis (n = 9) were most common. In standard HRQL analysis, comparing RC index surgery and RC revision surgery HRQLS revealed no significant differences throughout the 2-yr follow-up from either the initial index or revision procedure. Using normalized HRQL/integrated health state, RI displayed worse scores in SF-36 Physical Component Score, SRS activity, and SRS appearance relative to NR (P < .05), indicating less improvement over the 2-yr period. RC were significantly worse than RI in SF-36 Mental Component Score, SRS mental, SRS satisfaction, and SRS total (P < .05). CONCLUSION: ASD patients indicated for revisions for radiographic and implant-related complications differ significantly in their overall 2-yr recovery compared to NR, using a normalized integrated health state method. Traditional methods for analyzing revision patients' recovery kinetics may overlook delayed improvements.",
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AU - Passias, Peter G.

AU - Jalai, Cyrus M.

AU - Lafage, Virginie

AU - Poorman, Gregory W.

AU - Vira, Shaleen

AU - Horn, Samantha R.

AU - Scheer, Justin K.

AU - Hamilton, D. Kojo

AU - Line, Breton G.

AU - Bess, Shay

AU - Schwab, Frank J.

AU - Ames, Christopher P.

AU - Burton, Douglas C.

AU - Hart, Robert A.

AU - Klineberg, Eric O.

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N2 - BACKGROUND: Prior studies have observed similar health-related quality of life (HRQL) in revisions and nonrevision (NR) patients following adult spinal deformity (ASD) correction. However, a novel comparison approach may allow better comparisons in spine outcomes groups. OBJECTIVE: To determine if ASD revisions for radiographic and implant-related complications undergo a different recovery than NR patients. METHODS: Inclusion: ASD patients with complete HRQL (Oswestry Disability Index, Short-Form-36 version 2 (SF-36), Scoliosis Research Society [SRS]-22) at baseline, 6 wk, 1 yr, 2 yr. Generated revision groups: nonrevision (NR), revised-complete data (RC; with follow-up 2 yr after revision), and revised-incomplete data (RI; without 2-yr follow-up after revision). In a traditional analysis, analysis of variance (ANOVA) compared baseline HRQLs to follow-up changes. In a novel approach, integrated health state was normalized at baseline using area under curve analysis before ANOVA t-tests compared follow-up statuses. RESULTS: Two hundred fifty-eight patients were included with 50 undergoing reoperations (19.4%). Rod fractures (n = 15) and proximal joint kyphosis (n = 9) were most common. In standard HRQL analysis, comparing RC index surgery and RC revision surgery HRQLS revealed no significant differences throughout the 2-yr follow-up from either the initial index or revision procedure. Using normalized HRQL/integrated health state, RI displayed worse scores in SF-36 Physical Component Score, SRS activity, and SRS appearance relative to NR (P < .05), indicating less improvement over the 2-yr period. RC were significantly worse than RI in SF-36 Mental Component Score, SRS mental, SRS satisfaction, and SRS total (P < .05). CONCLUSION: ASD patients indicated for revisions for radiographic and implant-related complications differ significantly in their overall 2-yr recovery compared to NR, using a normalized integrated health state method. Traditional methods for analyzing revision patients' recovery kinetics may overlook delayed improvements.

AB - BACKGROUND: Prior studies have observed similar health-related quality of life (HRQL) in revisions and nonrevision (NR) patients following adult spinal deformity (ASD) correction. However, a novel comparison approach may allow better comparisons in spine outcomes groups. OBJECTIVE: To determine if ASD revisions for radiographic and implant-related complications undergo a different recovery than NR patients. METHODS: Inclusion: ASD patients with complete HRQL (Oswestry Disability Index, Short-Form-36 version 2 (SF-36), Scoliosis Research Society [SRS]-22) at baseline, 6 wk, 1 yr, 2 yr. Generated revision groups: nonrevision (NR), revised-complete data (RC; with follow-up 2 yr after revision), and revised-incomplete data (RI; without 2-yr follow-up after revision). In a traditional analysis, analysis of variance (ANOVA) compared baseline HRQLs to follow-up changes. In a novel approach, integrated health state was normalized at baseline using area under curve analysis before ANOVA t-tests compared follow-up statuses. RESULTS: Two hundred fifty-eight patients were included with 50 undergoing reoperations (19.4%). Rod fractures (n = 15) and proximal joint kyphosis (n = 9) were most common. In standard HRQL analysis, comparing RC index surgery and RC revision surgery HRQLS revealed no significant differences throughout the 2-yr follow-up from either the initial index or revision procedure. Using normalized HRQL/integrated health state, RI displayed worse scores in SF-36 Physical Component Score, SRS activity, and SRS appearance relative to NR (P < .05), indicating less improvement over the 2-yr period. RC were significantly worse than RI in SF-36 Mental Component Score, SRS mental, SRS satisfaction, and SRS total (P < .05). CONCLUSION: ASD patients indicated for revisions for radiographic and implant-related complications differ significantly in their overall 2-yr recovery compared to NR, using a normalized integrated health state method. Traditional methods for analyzing revision patients' recovery kinetics may overlook delayed improvements.

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