Comparative Impact of Supine versus Prone Positioning on Segmental Lumbar Lordosis in Patients Undergoing ALIF followed by PSF

Sina Sadeghzadeh; Kelly Yoo; Ivan Lopez; Thomas Johnstone; Ethan Schonfeld; Ghani Haider; Neelan J Marianayagam; Martin N. Stienen; Anand Veeravagu

doi:10.20944/preprints202403.1761.v1

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preprints.org > medicine and pharmacology > clinical medicine > doi: 10.20944/preprints202403.1761.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Comparative Impact of Supine versus Prone Positioning on Segmental Lumbar Lordosis in Patients Undergoing ALIF followed by PSF

Neelan J Marianayagam

Martin N. Stienen

Anand Veeravagu

Version 1 : Received: 28 March 2024 / Approved: 28 March 2024 / Online: 28 March 2024 (12:14:35 CET)

How to cite: Sadeghzadeh, S.; Yoo, K.; Lopez, I.; Johnstone, T.; Schonfeld, E.; Haider, G.; Marianayagam, N.J.; Stienen, M.N.; Veeravagu, A. Comparative Impact of Supine versus Prone Positioning on Segmental Lumbar Lordosis in Patients Undergoing ALIF followed by PSF. Preprints 2024, 2024031761. https://doi.org/10.20944/preprints202403.1761.v1 Sadeghzadeh, S.; Yoo, K.; Lopez, I.; Johnstone, T.; Schonfeld, E.; Haider, G.; Marianayagam, N.J.; Stienen, M.N.; Veeravagu, A. Comparative Impact of Supine versus Prone Positioning on Segmental Lumbar Lordosis in Patients Undergoing ALIF followed by PSF. Preprints 2024, 2024031761. https://doi.org/10.20944/preprints202403.1761.v1

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MDPI and ACS Style

Sadeghzadeh, S.; Yoo, K.; Lopez, I.; Johnstone, T.; Schonfeld, E.; Haider, G.; Marianayagam, N.J.; Stienen, M.N.; Veeravagu, A. Comparative Impact of Supine versus Prone Positioning on Segmental Lumbar Lordosis in Patients Undergoing ALIF followed by PSF. Preprints 2024, 2024031761. https://doi.org/10.20944/preprints202403.1761.v1

APA Style

Sadeghzadeh, S., Yoo, K., Lopez, I., Johnstone, T., Schonfeld, E., Haider, G., Marianayagam, N.J., Stienen, M.N., & Veeravagu, A. (2024). Comparative Impact of Supine versus Prone Positioning on Segmental Lumbar Lordosis in Patients Undergoing ALIF followed by PSF. Preprints. https://doi.org/10.20944/preprints202403.1761.v1

Chicago/Turabian Style

Sadeghzadeh, S., Martin N. Stienen and Anand Veeravagu. 2024 "Comparative Impact of Supine versus Prone Positioning on Segmental Lumbar Lordosis in Patients Undergoing ALIF followed by PSF" Preprints. https://doi.org/10.20944/preprints202403.1761.v1

Abstract

Introduction: Anterior Lumbar Interbody Fusion (ALIF) and Posterior Spinal Fusion (PSF) play pivotal roles in restoring lumbar lordosis in spinal surgery. Debates persist between combined single-position surgery and traditional prone-position PSF for optimizing segmental lumbar lordosis. Research Question: The study investigates the impact of performing ALIF in the supine position followed by PSF in the prone position on segmental lumbar lordosis. Material and Methods: A cohort of 59 patients underwent ALIF and PSF at a single institution. Preoperative, post-ALIF supine, and post-PSF prone Cobb angles were assessed using x-ray imaging. Statistical analyses, including one-way repeated measures ANOVA and Post-hoc analyses with Bonferroni adjustment, were employed for mean comparisons within subjects. Results: The mean Cobb angle for the entire cohort showed significant variations over different time points (p).

Keywords

spine surgery; spinal instrumentation; ALIF; PSF; segmental lumbar lordosis

Subject

Medicine and Pharmacology, Clinical Medicine

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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