Please use this identifier to cite or link to this item: http://dora.health.qld.gov.au/qldresearchjspui/handle/1/1763
Title: Single-Level Total Disc Replacement: Index-Level and Adjacent-Level Revision Surgery Incidence, Characteristics, and Outcomes
Authors: Scott-Young, Matthew
McEntee, Laurence
Rathbone, Evelyne
Nielsen, David 
Grierson, Lauren
Hing, Wayne
Issue Date: 2022
Publisher: International Society for the Advancement of Spine Surgery
Source: Single-Level Total Disc Replacement: Index-Level and Adjacent-Level Revision Surgery Incidence, Characteristics, and Outcomes Matthew Scott-Young, Laurence McEntee, Evelyne Rathbone, David Nielsen, Lauren Grierson, Wayne Hing International Journal of Spine Surgery Jul 2022, 8331; DOI: 10.14444/8331
Journal: International journal of spine surgery
Abstract: The literature reports that index level (IL) revision spine surgery (RSS) and adjacent level (AL) RSS are diminished in lumbar TDR compared with fusion procedures. There is a paucity of PROMs reported after RSS. To present the incidence of RSS at the IL and AL following single-level lumbar total disc replacement (TDR) and to document patient-related outcome measures (PROMs) associated with RSS. PROMs and timelines were analyzed for 32 RSS patients from a prospective cohort study of 401 patients treated with TDR for single-level degenerative disc disease. The data collected prospectively are analyzed from baseline (prior to index surgery) to latest follow-up following RSS. PROMs, including visual analog scales for back and leg, Oswestry Disability Index, and Roland-Morris Disability Questionnaire, were collected preoperatively; postoperatively at 3, 6, and 12 months; and annually thereafter until RSS. The time to RSS was recorded, and PROMs for RSS (IL, AL, or both) were documented, analyzed, and compared. The median time to RSS in the IL cohort was 35 months (interquartile range [IQR] = 9-51 months). The median time to RSS cohort was 70 months (IQR = 41.3-105.3 months). Timepoints facilitate PROM discussion for RSS. Patients in both groups achieved thresholds for the minimum clinically important difference for pain and disability scores. The small sample size in each group contributed to the variability demonstrated by the 95% CIs, thereby cautioning definitive conclusions. This study reveals that statistically significant and modest clinical improvements in PROMs can be achieved in RSS for lumbar TDR at IL and AL. The surgical approach and technique are reflective of the pathology and suggest that anterior RSS for AL degeneration and posterior RSS for IL pathology yield similar results. Statistical and clinical improvements can be achieved in IL-RSS and AL-RSS following single level TDR. It is essential for clinicians to understand and verify the underlying IL and/or AL pathology to select an appropriate management strategy and to facilitate balanced informed discussions with patients.
Description: Cairns & Hinterland Hospital and Health Service (CHHHS) affiliated author: David Nielsen
DOI: 10.14444/8331
Keywords: artificial disc;back pain;degenerative disc disease;motion preservation;total disc replacement;arthroplasty;long-term results;lumbar spine;revision;index level;adjacent segment
Type: Article
Appears in Sites:Cairns & Hinterland HHS Publications

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