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Risk factors for ninety-day readmissions following full-endoscopic transforaminal lumbar discectomy for 1542 patients in the biggest spine institutes in Korea

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Abstract

Introduction

Endoscopic techniques are becoming popular among spine surgeons because of their advantages. Though the advantages of endoscopic spine surgery are evident and patients can be discharged home within hours of surgery, readmissions can be sought for incomplete relief of leg pain, recurrent disc herniation, and recurrent leg pain. We aim to find out the factors related to the readmission of patients treated for lumbar pathologies.

Materials and methods

This is a retrospective analysis of the data between the time duration of 2012 and 2022. Patients in the age group of 18–85 years, with lumbar disc herniation treated by transforaminal endoscopic lumbar procedures, were included. The patients who were readmitted within 90 days were included in the R Group and those who were not were included in the NR group. Univariable and multivariable logistic regression analyses were used to find the risk factors for 90-day readmission.

Results

There were a total of 1542 patients enrolled in this study. Sex, number of episodes before admission, hypertension, smoking, BMI, migration, disc height, disc height index, spondylolisthesis, instability, pelvic tilt (PT), and disc cross-sectional area (CSA) were found significant on univariable analysis. Age, spondylolisthesis, instability and muscle CSA were the only variables that were found to be statistically significant on multivariable analysis.

Conclusions

This study shows that the elderly age group, presence of spondylolisthesis, segmental instability and decreased muscle cross-sectional area are independent risk factors for 90-day hospital readmissions. Patients having the above risk factors should be carefully counseled regarding the possibility of readmission in the future.

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Correspondence to Jin-Sung Kim.

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Conflict of interest

Dr Junseok Bae is Consultant in Joimax GmbH, Germany, Cousion Surgery, France Novapproach Spine, USA. Centinel, USA. Dr Jin-Sung Kim is consultant in RIWOSpine, GmbH, Germany Elliquence, LLC, USA.

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Bae, J., Ifthekar, S., Lee, SH. et al. Risk factors for ninety-day readmissions following full-endoscopic transforaminal lumbar discectomy for 1542 patients in the biggest spine institutes in Korea. Eur Spine J 32, 2875–2881 (2023). https://doi.org/10.1007/s00586-023-07662-z

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  • DOI: https://doi.org/10.1007/s00586-023-07662-z

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