TLIF — transforaminal lumbar interbody fusion — addresses the lumbar instability, spondylolisthesis, and recurrent degeneration that cannot be managed by decompression alone. For Cherry Hill patients who have exhausted appropriate non-surgical options and less definitive procedures, TLIF stabilizes the segment that keeps failing.
Will I lose flexibility after spinal fusion?
The fused segment will no longer move — that is the mechanical goal of the procedure. At a single level, the practical effect on overall lumbar flexibility is generally modest, because adjacent levels compensate. Patients typically notice some reduction in extreme range of motion but retain functional mobility for daily activities, work, and most recreational pursuits. Multi-level fusion has a more significant effect on flexibility, and this is part of the honest pre-operative discussion at our Cherry Hill office.
How long does it take for the fusion to be complete?
Fusion is a biological process. The bone graft placed during TLIF integrates and solidifies over a period of six to twelve months. Hardware — the screws and rods — provides immediate mechanical stability while the fusion matures. Most patients feel substantially better well before the fusion is radiographically complete. Follow-up imaging at six months and one year confirms fusion progress. Full activity clearance typically follows imaging confirmation of solid fusion.
What is the risk of hardware failure after TLIF?
Hardware complications — screw loosening, rod fracture, cage migration — are uncommon but represent a recognized risk of spinal fusion surgery. The risk is higher in smokers (fusion is impaired by tobacco use), in patients with significant osteoporosis, and in those who do not follow post-operative restrictions. At our Cherry Hill office, patients are counseled on all modifiable risk factors before surgery and given clear instructions for the protection of the hardware during the fusion period.
What is adjacent segment disease, and is it a risk after TLIF?
Adjacent segment disease refers to accelerated degeneration of the spinal levels immediately above or below a fusion, potentially caused by the altered biomechanics of the fused segment transferring increased load to adjacent levels. It is a recognized long-term consideration for fusion surgery. The risk exists but should be weighed against the natural history of the underlying condition — in patients with progressive instability, the risk of adjacent segment disease after fusion is generally outweighed by the benefit of stabilizing the segment that is currently causing the problem.
