Risk factors for major peri-operative complications in adult spinal deformity surgery: A multi-center review of 953 consecutive patients

Frank J. Schwab, Nicola Hawkinson, Virginie Lafage, Justin S. Smith, Robert Hart, Gregory Mundis, Douglas C. Burton, Breton Line, Behrooz Akbarnia, Oheneba Boachie-Adjei, Richard Hostin, Christopher I. Shaffrey, Vincent Arlet, Kirkham Wood, Munish Gupta, Shay Bess, Praveen V. Mummaneni

Research output: Contribution to journalArticle

110 Citations (Scopus)

Abstract

Purpose: Major peri-operative complications for adult spinal deformity (ASD) surgery remain common. However, risk factors have not been clearly defined. Our objective was to identify patient and surgical parameters that correlate with the development of major peri-operative complications with ASD surgery. Methods: This is a multi-center, retrospective, consecutive, case-control series of surgically treated ASD patients. All patients undergoing surgical treatment for ASD at eight centers were retrospectively reviewed. Each center identified 10 patients with major peri-operative complications. Randomization tables were used to select a comparably sized control group of patients operated during the same time period that they did not suffer major complications. The two groups were analyzed for differences in clinical and surgical factors. Analysis was restricted to non-instrumentation related complications. Results: At least one major complication occurred in 80 of 953 patients (8.4 %), including 72 patients with non-instrumentation related complications. There were no significant differences between the complications and control groups based on the demographics, ASA grade, co-morbidities, body mass index, prior surgeries, pre-operative anemia, smoking, operative time or ICU stay (p > 0.05). Hospital stay was significantly longer for the complications group (14.4 vs. 7.9 days, p = 0.001). The complications group had higher percentages of staged procedures (46 vs. 37 %, p = 0.011) and combined anterior-posterior approaches (56 vs. 32 %, p = 0.011) compared with the control group. Conclusion: The major peri-operative complication rate was 8.4 % for 953 surgically treated ASD patients. Significantly higher rates of complications were associated with staged and combined anterior-posterior surgeries. None of the patient factors assessed were significantly associated with the occurrence of major peri-operative complications. Improved understanding of risk profiles and procedure-related parameters may be useful for patient counseling and efforts to reduce complication rates.

Original languageEnglish (US)
Pages (from-to)2603-2610
Number of pages8
JournalEuropean Spine Journal
Volume21
Issue number12
DOIs
StatePublished - Dec 2012

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Control Groups
Operative Time
Random Allocation
Counseling
Anemia
Length of Stay
Body Mass Index
Smoking
Demography
Morbidity
Therapeutics

Keywords

  • Adult
  • Complications
  • Risk factor
  • Spinal deformity
  • Surgery

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

Cite this

Risk factors for major peri-operative complications in adult spinal deformity surgery : A multi-center review of 953 consecutive patients. / Schwab, Frank J.; Hawkinson, Nicola; Lafage, Virginie; Smith, Justin S.; Hart, Robert; Mundis, Gregory; Burton, Douglas C.; Line, Breton; Akbarnia, Behrooz; Boachie-Adjei, Oheneba; Hostin, Richard; Shaffrey, Christopher I.; Arlet, Vincent; Wood, Kirkham; Gupta, Munish; Bess, Shay; Mummaneni, Praveen V.

In: European Spine Journal, Vol. 21, No. 12, 12.2012, p. 2603-2610.

Research output: Contribution to journalArticle

Schwab, FJ, Hawkinson, N, Lafage, V, Smith, JS, Hart, R, Mundis, G, Burton, DC, Line, B, Akbarnia, B, Boachie-Adjei, O, Hostin, R, Shaffrey, CI, Arlet, V, Wood, K, Gupta, M, Bess, S & Mummaneni, PV 2012, 'Risk factors for major peri-operative complications in adult spinal deformity surgery: A multi-center review of 953 consecutive patients', European Spine Journal, vol. 21, no. 12, pp. 2603-2610. https://doi.org/10.1007/s00586-012-2370-4
Schwab, Frank J. ; Hawkinson, Nicola ; Lafage, Virginie ; Smith, Justin S. ; Hart, Robert ; Mundis, Gregory ; Burton, Douglas C. ; Line, Breton ; Akbarnia, Behrooz ; Boachie-Adjei, Oheneba ; Hostin, Richard ; Shaffrey, Christopher I. ; Arlet, Vincent ; Wood, Kirkham ; Gupta, Munish ; Bess, Shay ; Mummaneni, Praveen V. / Risk factors for major peri-operative complications in adult spinal deformity surgery : A multi-center review of 953 consecutive patients. In: European Spine Journal. 2012 ; Vol. 21, No. 12. pp. 2603-2610.
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abstract = "Purpose: Major peri-operative complications for adult spinal deformity (ASD) surgery remain common. However, risk factors have not been clearly defined. Our objective was to identify patient and surgical parameters that correlate with the development of major peri-operative complications with ASD surgery. Methods: This is a multi-center, retrospective, consecutive, case-control series of surgically treated ASD patients. All patients undergoing surgical treatment for ASD at eight centers were retrospectively reviewed. Each center identified 10 patients with major peri-operative complications. Randomization tables were used to select a comparably sized control group of patients operated during the same time period that they did not suffer major complications. The two groups were analyzed for differences in clinical and surgical factors. Analysis was restricted to non-instrumentation related complications. Results: At least one major complication occurred in 80 of 953 patients (8.4 {\%}), including 72 patients with non-instrumentation related complications. There were no significant differences between the complications and control groups based on the demographics, ASA grade, co-morbidities, body mass index, prior surgeries, pre-operative anemia, smoking, operative time or ICU stay (p > 0.05). Hospital stay was significantly longer for the complications group (14.4 vs. 7.9 days, p = 0.001). The complications group had higher percentages of staged procedures (46 vs. 37 {\%}, p = 0.011) and combined anterior-posterior approaches (56 vs. 32 {\%}, p = 0.011) compared with the control group. Conclusion: The major peri-operative complication rate was 8.4 {\%} for 953 surgically treated ASD patients. Significantly higher rates of complications were associated with staged and combined anterior-posterior surgeries. None of the patient factors assessed were significantly associated with the occurrence of major peri-operative complications. Improved understanding of risk profiles and procedure-related parameters may be useful for patient counseling and efforts to reduce complication rates.",
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AU - Schwab, Frank J.

AU - Hawkinson, Nicola

AU - Lafage, Virginie

AU - Smith, Justin S.

AU - Hart, Robert

AU - Mundis, Gregory

AU - Burton, Douglas C.

AU - Line, Breton

AU - Akbarnia, Behrooz

AU - Boachie-Adjei, Oheneba

AU - Hostin, Richard

AU - Shaffrey, Christopher I.

AU - Arlet, Vincent

AU - Wood, Kirkham

AU - Gupta, Munish

AU - Bess, Shay

AU - Mummaneni, Praveen V.

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N2 - Purpose: Major peri-operative complications for adult spinal deformity (ASD) surgery remain common. However, risk factors have not been clearly defined. Our objective was to identify patient and surgical parameters that correlate with the development of major peri-operative complications with ASD surgery. Methods: This is a multi-center, retrospective, consecutive, case-control series of surgically treated ASD patients. All patients undergoing surgical treatment for ASD at eight centers were retrospectively reviewed. Each center identified 10 patients with major peri-operative complications. Randomization tables were used to select a comparably sized control group of patients operated during the same time period that they did not suffer major complications. The two groups were analyzed for differences in clinical and surgical factors. Analysis was restricted to non-instrumentation related complications. Results: At least one major complication occurred in 80 of 953 patients (8.4 %), including 72 patients with non-instrumentation related complications. There were no significant differences between the complications and control groups based on the demographics, ASA grade, co-morbidities, body mass index, prior surgeries, pre-operative anemia, smoking, operative time or ICU stay (p > 0.05). Hospital stay was significantly longer for the complications group (14.4 vs. 7.9 days, p = 0.001). The complications group had higher percentages of staged procedures (46 vs. 37 %, p = 0.011) and combined anterior-posterior approaches (56 vs. 32 %, p = 0.011) compared with the control group. Conclusion: The major peri-operative complication rate was 8.4 % for 953 surgically treated ASD patients. Significantly higher rates of complications were associated with staged and combined anterior-posterior surgeries. None of the patient factors assessed were significantly associated with the occurrence of major peri-operative complications. Improved understanding of risk profiles and procedure-related parameters may be useful for patient counseling and efforts to reduce complication rates.

AB - Purpose: Major peri-operative complications for adult spinal deformity (ASD) surgery remain common. However, risk factors have not been clearly defined. Our objective was to identify patient and surgical parameters that correlate with the development of major peri-operative complications with ASD surgery. Methods: This is a multi-center, retrospective, consecutive, case-control series of surgically treated ASD patients. All patients undergoing surgical treatment for ASD at eight centers were retrospectively reviewed. Each center identified 10 patients with major peri-operative complications. Randomization tables were used to select a comparably sized control group of patients operated during the same time period that they did not suffer major complications. The two groups were analyzed for differences in clinical and surgical factors. Analysis was restricted to non-instrumentation related complications. Results: At least one major complication occurred in 80 of 953 patients (8.4 %), including 72 patients with non-instrumentation related complications. There were no significant differences between the complications and control groups based on the demographics, ASA grade, co-morbidities, body mass index, prior surgeries, pre-operative anemia, smoking, operative time or ICU stay (p > 0.05). Hospital stay was significantly longer for the complications group (14.4 vs. 7.9 days, p = 0.001). The complications group had higher percentages of staged procedures (46 vs. 37 %, p = 0.011) and combined anterior-posterior approaches (56 vs. 32 %, p = 0.011) compared with the control group. Conclusion: The major peri-operative complication rate was 8.4 % for 953 surgically treated ASD patients. Significantly higher rates of complications were associated with staged and combined anterior-posterior surgeries. None of the patient factors assessed were significantly associated with the occurrence of major peri-operative complications. Improved understanding of risk profiles and procedure-related parameters may be useful for patient counseling and efforts to reduce complication rates.

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KW - Complications

KW - Risk factor

KW - Spinal deformity

KW - Surgery

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