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Lumbar Total Disk Replacement Device Removals And Revisions Performed During A 20-Year Experience With 2141 Patients – Lumbar Disc Replacement

The article presents a retrospective study with prospective patient contact that aimed to investigate the incidence and reasons for lumbar total disk replacement (TDR) removal or revision. Data from 2141 lumbar TDR patients over a 20-year period were analyzed, with 1.26% of patients undergoing TDR removal or revision. The most common reasons for removal were migration and/or loosening, while revisions were mainly due to technique errors or device wear/failure. The study found that removals and revisions tended to occur in the first 25 cases performed by individual surgeons, with a low overall rate of complications supporting the safety of TDR devices

Summarised by Mr Mo Akmal – Lead Spinal Surgeon
The London Spine Unit : most established day surgery unit in UK

Published article

In this large consecutive series, 1.26% of TDRs were removed/revised. The low rate over a 20 year period supports the safety of these devices.

Lumbar Disc Replacement Surgery Expert. Best Spinal Surgeon UK
Abstract Study design: This was a retrospective study with prospective patient contact attempted to collect current data. Objective: The purpose was to investigate the incidence and reasons for lumbar total disk replacement (TDR) removal or revision. Summary of background data: A concern regarding lumbar TDR was safety, particularly the need for device removal or revision.,

Abstract

Study design: This was a retrospective study with prospective patient contact attempted to collect current data.

Objective: The purpose was to investigate the incidence and reasons for lumbar total disk replacement (TDR) removal or revision.

Summary of background data: A concern regarding lumbar TDR was safety, particularly the need for device removal or revision. This may be particularly important considering removal/revision requires repeat anterior exposure with an increased risk of vascular injury.

Methods: Data were collected for a series of 2141 lumbar TDR patients, beginning with the first case experience in 2000. The mean follow-up was 78.6 months. For each case of device removal/revision, the reason, duration from index surgery, and procedure performed were recorded.

Results: Of 2141 patients, 27 (1.26%) underwent TDR removal or revision. Device removal was performed in 24 patients (1.12%), while three patients underwent revision (0.14%). Of the 24 removals, 12 were due to migration and/or loosening, three developed problems post-trauma, two developed lymphocytic reaction to device materials, two had ongoing pain, and there was one case of each: TDR was too large, vertebral body fracture (osteoporosis), lytic lesion, device subsidence and facet arthrosis, and infection seeded from a chest infection 146 months post-TDR. The three revisions were for Core repositioning (technique error), device repositioning after displacement, and core replacement due to wear/failure. With respect to timing, 37.0% of removals/revisions occurred within one-month postimplantation. Of note, 40.7% of removals/revisions occurred in the first 25 TDR cases performed by individual surgeons. There was one significant vascular complication occurring in a patient whose TDR was removed due to trauma. This was also the only patient among 258 with ≥15-year follow-up who underwent removal/revision.

In this large consecutive series, 1.26% of TDRs were removed/revised. The low rate over a 20 year period supports the safety of these devices.

The London Spine Unit : most established day surgery unit in UK

Read the original publication:

Lumbar Total Disk Replacement Device Removals and Revisions Performed During a 20-Year Experience with 2141 Patients

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Abstract Study design: This was a retrospective study with prospective patient contact attempted to collect current data. Objective: The purpose was to investigate the incidence and reasons for lumbar total disk replacement (TDR) removal or revision. Summary of background data: A concern regarding lumbar TDR was safety, particularly the need for device removal or revision.

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