An Investigation for Etiologies of Revisional Surgeries after Placement of Device for Intervertebral Assisted Motion: A Case Series Study

Shang-Won Yu ； Yu-Hsien Kao ； Shih-Chieh Yang ； Ching-Hou Ma ； Chin-Hsien Wu ； Yuan-Kun Tu

《E-Da Medical Journal》 11卷1期 (2024/03) Pp. 1-8

https://doi.org/10.6966/EDMJ.202403_11(1).0001

摘要

Objective: Interspinous process devices are widely used for the treatment of lumbar spinal stenosis. This retrospective study aimed to investigate the etiology of revision surgery after placement of a Device for Intervertebral Assisted Motion (DIAM). Methods: Surgical indications and complications before revision surgery were reviewed from the medical records of patients who underwent revision spinal instrumentation placement surgery in our hospital. Pain scores were evaluated before and after revision surgery. Results: Forty-four patients were included, with a mean age of 58.80 (± 13.12) years and a majority (79.5%) of females. Complications occurred in the ten patients implanted with one DIAM, including infection, instability, or stenosis in 3/10 (30%); not preventing adjacent segment disease in 6/10 (60%); and DIAM-involved instability in 1/10 (10%). The remaining 34 cases with multiple DIAM implants experienced DIAM-involved instability with stenosis (34/34, 100%). Conclusions: The contraindications of DIAM include multiple interspinal process devices, cases with pars fracture or unstable spine, and implanted in L5-S1 site.

關鍵字

interspinous process device (IPD) ； Device for Intervertebral Assisted Motion (DIAM) ； adjacent segment disease (ASD)

參考文獻

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