ArticleWorld neurosurgery2022
Accelerometry Data Delineate Phases of Recovery and Supplement Patient-Reported Outcome Measures Following Lumbar Laminectomy.
Article in World neurosurgery, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 3 of them syntheses that pooled it.
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Who cites it
6 citing papers in PubMed, 3 syntheses or guidelines pooled it.
- Objectively measured physical activity following lumbar decompression surgery: systematic review and meta-analysis.Scientific reports · 2026Pooled it
- Pooled it
- Readiness for implementation of novel digital health interventions for postoperative monitoring: a systematic review and clinical innovation network analysis.The Lancet. Digital health · 2023Pooled it
- Measuring Long-Term Outcomes After Degenerative Spine Surgery: Is It Time for Something New? A Smartphone-Based Analysis of 60 753 Days of Objective Mobility Data.Neurosurgery practice · 2026Article
- Feasibility of Smartphone-Derived Short-Interval Walking Tests for Monitoring Functional Recovery After Spine Surgery.JOR spine · 2026Article
- The Oswestry Disability Index and 12-Item Short Form Health Survey Physical Component Scores Are Not Affected by Recall Bias in Posterior Lumbar Spine Surgery Patients: A Prospective Study Using Data From Fitness Trackers.Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews · 2025Article
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Authors and funding
10 authors.
Funding
Abstract
backgroundPatient-reported outcome measures (PROMs) are traditionally used to track recovery of patients after spine surgery. Wearable accelerometers have adjunctive value because of the continuous, granular, and objective data they provide. We conducted a prospective study of lumbar laminectomy patients to determine if time-series data from wearable accelerometers could delineate phases of recovery and compare accelerometry data to PROMs during recovery tracking.
methodsPatients with lumbar stenosis for whom lumbar laminectomy was indicated were prospectively recruited. Subjects wore accelerometers that recorded their daily step counts from at least 1 week preoperatively to 6 months postoperatively. Subjects completed the Oswestry Disability Index and the 12-Item Short Form Health Survey preoperatively and at 2 weeks, 1 month, 3 months, and 6 months postoperatively. Daily aggregate median steps and individual visit-specific median steps were calculated. The Pruned Linear Exact Time method was used to segment aggregate median steps into distinct phases. Associations between visit-specific median steps and PROMs were identified using Spearman rank correlation.
resultsSegmentation analysis revealed 3 distinct postoperative phases: step counts rapidly increased for the first 40 days postoperatively (acute healing), then gained more slowly for the next 90 days (recovery), and finally plateaued at preoperative levels (stabilization). Visit-specific median steps were significantly correlated with PROMs throughout the postoperative period. PROMs significantly exceeded baseline at 6 months postoperatively, while step counts did not (all P < 0.05).
conclusionsContinuous data from accelerometers allowed for identification of 3 distinct stages of postoperative recovery after lumbar laminectomy. PROMs remain necessary to capture subjective elements of recovery.
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