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Photographic sagittal plane analysis and its clinical correlation after surgery for adult spinal deformity: a preliminary study

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Abstract

Purpose

The aim of this study is to determine the correlation between photographic sagittal parameters and patient-reported outcome measures (PROM) results in adult patients operated on spinal deformity.

Methods

Non-concurrent prospective study. Inclusion criteria: age at surgery older than 25, minimum 2-year follow-up after a 5 or more level fusion for adult spinal deformity (ASD). Full body lateral standing photographs were taken with adhesive markers placed on ten bony landmarks. SRS-22 and SF-36 questionnaires were completed for every patient. The following photographic parameters were measured: lumbar angle, lumbar curve, thoracic inclination (TI), trunk angle, pelvic tilt, head angle, neck angle, cervicothoracic angle, lumbar vector angle (LVA), dorsal vector angle (DVA), cervical vector angle (CVA), cranial pelvic angle (CrPA), cranial sacral angle (CrSA), fibular inclination angle (FIA) and cranial sagittal vertical axis measured to sacrum (Cr-S), greater trochanter (Cr-GT), knee (Cr-K) and ankle (Cr-A).

Results

65 patients (58 female) operated on ASD in a single institution were included. Age at surgery was 61 years (26–67). Postoperative follow-up was 53 months (24–120). Spearman rank order test showed several significant (p ≤ 0.01) correlations. After multivariate linear regression analysis age, LVA and TI remained as predictors for SRS image scores (corrected r2 0.41), LVA for SRS satisfaction (corrected r2 0.27), CrPA and age for SRS total scores (corrected r2 0.33), FIA and age for SF36 physical functioning (corrected r2 0.36) and CrSA for SF36 role physical (corrected r2 0.14).

Conclusions

Some sagittal photographic parameters may predict mid-term clinical results after ASD surgery.

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Acknowledgements

The authors wish to acknowledge Jose Dominguez Pallas, clinical photographer, for his involvement.

Funding

No financial support was received for this study.

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Authors and Affiliations

  1. Hospital Universitario Ramon y Cajal, Carretera M-607, km. 9.100, 28034, Madrid, Spain

    Alejandro Gomez-Rice

  2. Complutense University of Madrid, Madrid, Spain

    Alejandro Gomez-Rice

  3. Hospital Universitario de Getafe, Madrid, Spain

    Cristina Madrid & Enrique Izquierdo

  4. Hospital Universitario Clínico San Carlos, Madrid, Spain

    Fernando Marco-Martínez

  5. Department of Surgery, School of Medicine, Complutense University of Madrid, Madrid, Spain

    Fernando Marco-Martínez

  6. Department of Physiology, School of Medicine, Complutense University of Madrid, Madrid, Spain

    Jesús A. F. Tresguerres

  7. Hospital Universitario Rey Juan Carlos, Madrid, Spain

    Felisa Sanchez-Mariscal

Authors
  1. Alejandro Gomez-Rice
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  2. Cristina Madrid
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  4. Fernando Marco-Martínez
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  6. Felisa Sanchez-Mariscal
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Corresponding author

Correspondence to Alejandro Gomez-Rice.

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Ethical approval

This study was approved by the institutional research ethics committee. Substantial contributions to the conception or design of the work; or the acquisition, analysis, or interpretation of data for the work: AG-R, CM, EI, FM-M, JAFT, FS-M. Drafting the work or revising it critically for important intellectual content: AG-R, CM, EI, FM-M, JAFT, FS-M. Final approval of the version to be published: AG-R, CM, EI, FM-M, JAFT, FS-M. Agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved: AG-R, CM, EI, FM-M, JAFT, FS-M.

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Gomez-Rice, A., Madrid, C., Izquierdo, E. et al. Photographic sagittal plane analysis and its clinical correlation after surgery for adult spinal deformity: a preliminary study. Spine Deform 9, 501–514 (2021). https://doi.org/10.1007/s43390-020-00237-8

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  • DOI: https://doi.org/10.1007/s43390-020-00237-8

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