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Transforaminal Endoscopic Thoracic Discectomy Is More Cost-Effective Than Microdiscectomy for Symptomatic Disc
Junseok Bae1, Pratyush Shahi1, Sang-Ho Lee1
1Department of Neurosurgery, Wooridul Spine Hospital, Seoul, Korea.
Neurospine
|April 11, 2025
Summary
Transforaminal endoscopic thoracic discectomy (TETD) offers superior clinical outcomes and cost-effectiveness compared to open microdiscectomy (MD) for thoracic disc herniation. TETD resulted in lower direct, indirect, and total costs, alongside better patient-reported outcomes.
Area of Science:
- Neurosurgery
- Minimally Invasive Spine Surgery
- Health Economics
Background:
- Thoracic disc herniation (TDH) presents unique surgical challenges.
- Open microdiscectomy (MD) is a traditional treatment for TDH.
- Transforaminal endoscopic thoracic discectomy (TETD) is an emerging minimally invasive alternative.
Purpose of the Study:
- To compare the costs and cost-effectiveness of TETD versus MD for symptomatic TDH.
- To evaluate clinical outcomes, including patient-reported measures and quality-adjusted life years (QALYs).
Main Methods:
- Retrospective cohort study of 111 patients with symptomatic TDH.
- Analysis of direct, indirect, and total costs.
- Assessment of cost-effectiveness using QALYs and incremental cost-effectiveness ratio (ICER).
- Comparison of Oswestry Disability Index (ODI) and SF-36 scores at 1-year follow-up.
Main Results:
- TETD group showed significantly lower direct ($6,270 vs. $7,410), indirect ($1,250 vs. $1,450), and total costs ($7,520 vs. $8,860) compared to MD.
- Cost per QALY was significantly lower for TETD ($31,333) versus MD ($44,300).
- TETD achieved greater improvements in ODI (46% vs. 36%) and SF-36 (64% vs. 53%) and higher QALY gained (0.24 vs. 0.2).
Conclusions:
- TETD is a more cost-effective treatment for symptomatic TDH than MD.
- TETD offers superior clinical outcomes, including better functional recovery and quality of life.
- TETD represents a favorable alternative for selected patients with symptomatic TDH.
