Lumbar Spinal Fusion

Lumbar fusion is a spine surgery that permanently joins two or more vertebrae in the lower back so they heal into one solid, stable segment. Its job is to stop painful, abnormal motion — so it’s used mainly when the spine is unstable or slipping, not for ordinary back pain. Empire’s fellowship-trained spine surgeon, Dr. Andrew Joshua Appel, recommends fusion only when the diagnosis truly calls for it, across our Long Island, New York offices in Plainview, New Hyde Park, and Ronkonkoma.

What lumbar fusion treats

Fusion is aimed at problems where movement between vertebrae is itself the source of pain or nerve trouble. The most common reason is degenerative spondylolisthesis — when one vertebra slips forward on another and narrows the space for the nerves. It’s also used for instability from certain fractures, scoliosis or other deformity, and sometimes for spinal stenosis when the spine is also unstable. When stenosis is the problem but the spine is stable, a laminectomy alone is often enough.

Are you a candidate?

Lumbar fusion is generally considered when imaging shows instability or a slip that matches your symptoms, and when a fair trial of non-surgical care — physical therapy, medication, activity changes, and often epidural steroid injections — hasn’t given lasting relief. Progressive weakness or worsening nerve compression can move surgery up the list. Because a slip on a scan doesn’t automatically mean you need fusion, Dr. Appel confirms your imaging, symptoms, and exam all agree first — the goal is to treat the patient, not the film.

What to expect

During fusion, the surgeon stabilizes the affected level with bone graft and usually screws and rods, often after decompressing the pinched nerves. Minimally invasive approaches can reduce muscle disruption for suitable cases. Because the bone needs time to knit into a solid fusion, recovery is more gradual than a decompression alone — many people are up and walking soon after surgery, with a staged return to activity over several weeks to months and physical therapy along the way.

Decompression alone vs. fusion

Why patients across Long Island choose Empire

Insurance

Coverage varies by plan, and we accept many major insurance plans across our New York offices. Call and our team will verify your benefits before your visit so there are no surprises.

Frequently asked questions

Is lumbar fusion the right fix for back pain?

Not usually on its own. Fusion is aimed at instability — like a slipped vertebra — rather than ordinary back pain. If your spine is stable, other treatments are often a better fit, which is why an accurate diagnosis comes first.

How long is recovery after lumbar fusion?

It’s more gradual than a decompression alone because the bone has to fuse. Many people walk soon after surgery and return to activity in stages over several weeks to months, guided by physical therapy.

Will fusion limit how I move?

Fusing one or two lower-back levels removes motion there, but the rest of the spine compensates, and most people manage daily activities well. Your surgeon will explain what to expect for your case.

Can I avoid fusion?

Often, yes — many back problems never need it. When the spine is stable, decompression or non-surgical care may be enough. Fusion is reserved for genuine instability, and we’ll be honest about whether you need it.