Lumbar Spine Fusion Patients See Similar Improvements in Physical Activity Level to Non-Spine Fusion Patients Following Total Hip Arthroplasty

Adrian D. Hinman, Maria Inacio, Heather A. Prentice, Calvin C. Kuo, Monti Khatod, Kern H. Guppy, Elizabeth W. Paxton

Research output: Contribution to journalArticle

Abstract

Background: The impact of prior lumbar spinal fusion on the change in physical activity level following total hip arthroplasty (THA) has not been thoroughly examined. Therefore, we sought to compare the change in physical activity level following THA for patients with and without a history of lumbar spine fusion. Methods: Patients who underwent primary elective THA were identified using an integrated healthcare system's Total Joint Replacement Registry (2010-2013). Prior lumbar spine fusion was identified using the healthcare system's Spine Registry. Physical activity was self-reported by patients and measured in min/wk. Generalized linear models were used to evaluate the association between prior spine fusion and the change in physical activity from 1 year pre-THA to 1-2 years post-THA. Results: Of 11,416 THAs, 90 (0.8%) had a history of lumbar spinal fusion. Patients with a prior lumbar fusion had a median physical activity level of 28 min/wk prior to THA compared to 45 min/wk in the patients with no history of lumbar spinal fusion. One year after THA, patients with a history of lumbar spinal fusion reported a median of 120 min/wk of physical activity compared to 150 min/wk for patients without a history of lumbar spinal fusion. The difference in physical activity level change between groups was not statistically significant (estimate = −23.1, 95% confidence interval −62.1 to 15.9, P = .246). Conclusion: Patients with prior lumbar fusion were found to have lower self-reported physical activity levels than patients without spine fusion both before and after THA surgery. However, both groups saw the same degree of improvement in physical activity level following THA. These findings may help in counseling patients who have had a prior lumbar spine fusion and in setting appropriate expectations prior to THA.

LanguageEnglish
Pages451-456
JournalJournal of Arthroplasty
Volume35
Issue number2
DOIs
Publication statusPublished - 1 Feb 2020

Keywords

  • cohort study
  • lumbar fusion
  • physical activity
  • registry
  • spine
  • total hip arthroplasty

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

Cite this

Hinman, Adrian D. ; Inacio, Maria ; Prentice, Heather A. ; Kuo, Calvin C. ; Khatod, Monti ; Guppy, Kern H. ; Paxton, Elizabeth W. / Lumbar Spine Fusion Patients See Similar Improvements in Physical Activity Level to Non-Spine Fusion Patients Following Total Hip Arthroplasty. In: Journal of Arthroplasty. 2020 ; Vol. 35, No. 2. pp. 451-456.
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abstract = "Background: The impact of prior lumbar spinal fusion on the change in physical activity level following total hip arthroplasty (THA) has not been thoroughly examined. Therefore, we sought to compare the change in physical activity level following THA for patients with and without a history of lumbar spine fusion. Methods: Patients who underwent primary elective THA were identified using an integrated healthcare system's Total Joint Replacement Registry (2010-2013). Prior lumbar spine fusion was identified using the healthcare system's Spine Registry. Physical activity was self-reported by patients and measured in min/wk. Generalized linear models were used to evaluate the association between prior spine fusion and the change in physical activity from 1 year pre-THA to 1-2 years post-THA. Results: Of 11,416 THAs, 90 (0.8{\%}) had a history of lumbar spinal fusion. Patients with a prior lumbar fusion had a median physical activity level of 28 min/wk prior to THA compared to 45 min/wk in the patients with no history of lumbar spinal fusion. One year after THA, patients with a history of lumbar spinal fusion reported a median of 120 min/wk of physical activity compared to 150 min/wk for patients without a history of lumbar spinal fusion. The difference in physical activity level change between groups was not statistically significant (estimate = −23.1, 95{\%} confidence interval −62.1 to 15.9, P = .246). Conclusion: Patients with prior lumbar fusion were found to have lower self-reported physical activity levels than patients without spine fusion both before and after THA surgery. However, both groups saw the same degree of improvement in physical activity level following THA. These findings may help in counseling patients who have had a prior lumbar spine fusion and in setting appropriate expectations prior to THA.",
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Lumbar Spine Fusion Patients See Similar Improvements in Physical Activity Level to Non-Spine Fusion Patients Following Total Hip Arthroplasty. / Hinman, Adrian D.; Inacio, Maria; Prentice, Heather A.; Kuo, Calvin C.; Khatod, Monti; Guppy, Kern H.; Paxton, Elizabeth W.

In: Journal of Arthroplasty, Vol. 35, No. 2, 01.02.2020, p. 451-456.

Research output: Contribution to journalArticle

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