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Purpose <p>Venous thromboembolism (VTE) is an uncommon but potentially devastating complication following spine surgery. Although early mobilization is encouraged as a preventive measure, the influence of inpatient physical therapy on VTE risk remains uncertain. The aim of this study was to characterize the relationship between time to physical therapy and the rate of postoperative VTE in patients undergoing spine surgery.</p> Methods <p>Retrospective review of patients &gt; 18 years of age who underwent spinal fusion surgery at a tertiary medical center (2017–2021). Physical therapy variables included Activity Measure of Post-Acute Care Basic Mobility (AM-PAC Basic Mobility), gait trial distance, and time to first physical therapy session. Patients with an acute DVT after surgery were compared to patients without an acute DVT.</p> Results <p>Patient’s age, prior history of lower extremity VTE, and pulmonary embolism were significantly associated with future VTE events (<i>p</i> = 0.029, 0.049, 0.001), respectively. Operative duration (303 vs. 241&#xa0;min, <i>p</i> = 0.039) and length of stay (4.75 vs. 3.60 days, <i>p</i> = 0.001) were significantly longer in patients with VTE events. Time to initiating physical therapy (&lt; 6, 6–24, or &gt; 24&#xa0;h) was not significantly associated with VTE rate (<i>p</i> = 0.179). The AM-PAC Basic Mobility Score (<i>p</i> = 0.107) and gait trial distance (<i>p</i> = 0.055) were also not associated with VTE. Logistic regression showed that prior lower extremity VTE was an independent predictor of VTE (<i>p</i> = 0.022).</p> Conclusion <p>Time to physical therapy initiation after elective spine surgery was not associated with rates of postoperative VTE significantly. Additionally, the extent of patient mobilization and activity during PT sessions did not predict VTE likelihood.</p>

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Does earlier mobilization reduce venous thromboembolism after spine surgery?

  • 期刊论文

  • 发表日期：

    2026年1月20日

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  • Mitchell K. Ng,
  • Joshua Mathew,
  • Jonathan Dalton,
  • Robert Oris,
  • Olivia Opara,
  • Tariq Issa,
  • Eric DiDomenico,
  • Daniel Kwak,
  • Yasmine Eichbaum,
  • William Green,
  • Yulia Lee,
  • Gregorio Baek,
  • Morgan Hitchner,
  • Jeremy Heard,
  • Gregory Toci,
  • Rajkishen Narayanan,
  • Yunsoo Lee,
  • Jose A. Canseco,
  • Alan S. Hilibrand,
  • Alexander R. Vaccaro,
  • Christopher K. Kepler,
  • Gregory D. Schroeder

摘要

Purpose

Venous thromboembolism (VTE) is an uncommon but potentially devastating complication following spine surgery. Although early mobilization is encouraged as a preventive measure, the influence of inpatient physical therapy on VTE risk remains uncertain. The aim of this study was to characterize the relationship between time to physical therapy and the rate of postoperative VTE in patients undergoing spine surgery.

Methods

Retrospective review of patients > 18 years of age who underwent spinal fusion surgery at a tertiary medical center (2017–2021). Physical therapy variables included Activity Measure of Post-Acute Care Basic Mobility (AM-PAC Basic Mobility), gait trial distance, and time to first physical therapy session. Patients with an acute DVT after surgery were compared to patients without an acute DVT.

Results

Patient’s age, prior history of lower extremity VTE, and pulmonary embolism were significantly associated with future VTE events (p = 0.029, 0.049, 0.001), respectively. Operative duration (303 vs. 241 min, p = 0.039) and length of stay (4.75 vs. 3.60 days, p = 0.001) were significantly longer in patients with VTE events. Time to initiating physical therapy (< 6, 6–24, or > 24 h) was not significantly associated with VTE rate (p = 0.179). The AM-PAC Basic Mobility Score (p = 0.107) and gait trial distance (p = 0.055) were also not associated with VTE. Logistic regression showed that prior lower extremity VTE was an independent predictor of VTE (p = 0.022).

Conclusion

Time to physical therapy initiation after elective spine surgery was not associated with rates of postoperative VTE significantly. Additionally, the extent of patient mobilization and activity during PT sessions did not predict VTE likelihood.