Vivistim® Paired VNS™ Therapy for Stroke Recovery

Medically reviewed by Ronald P. Benitez, MD ·Last reviewed: January 2, 2026 ·3 min read

Stroke Recovery Specialists

In short

The Vivistim® Paired VNS™ System is an FDA-approved treatment for adults with moderate to severe arm and hand impairment following chronic ischemic stroke. The implanted device delivers brief vagus nerve stimulation during rehabilitation exercises, helping the brain strengthen the neural pathways involved in movement. By pairing stimulation with repetitive, task-specific therapy, Vivistim is designed to improve arm and hand function beyond rehabilitation alone.

Key takeaways

Vivistim® Paired VNS™ is FDA-approved for certain adults with moderate to severe arm and hand impairment following chronic ischemic stroke.
Brief vagus nerve stimulation is paired with rehabilitation exercises to enhance the brain’s response to repetitive movement.
Clinical trial evidence showed greater improvement in upper-extremity function with Vivistim plus rehabilitation than with rehabilitation and sham stimulation.
The device is implanted during a brief outpatient procedure, followed by an intensive rehabilitation program.
Atlantic Brain and Spine coordinates with stroke neurology and rehabilitation specialists for patient selection and post-implant therapy.

VIVISTIM PAIRED VNS SYSTEM AT A GLANCE

FDA approval	Certain adults with moderate to severe upper-extremity motor impairment following chronic ischemic stroke
How it works	Brief vagus nerve stimulation is paired with rehabilitation exercises to reinforce movement-related neural pathways
Implant	A small pulse generator is placed under the left clavicle with a lead connected to the left vagus nerve
Therapy	Intensive VNS-paired rehabilitation followed by continued exercises at home
Procedure	Brief outpatient implantation procedure
Best for	Appropriate patients with chronic ischemic stroke and persistent arm and hand impairment

How Vivistim enhances stroke rehabilitation

After an ischemic stroke, the brain can reorganize by forming and strengthening neural connections involved in movement. This ability, known as neuroplasticity, is an important part of stroke rehabilitation.

Vivistim is designed to enhance this process by pairing brief vagus nerve stimulation with targeted rehabilitation exercises. During supervised therapy, stimulation is synchronized with therapist-guided arm and hand movements. This pairing is designed to reinforce the neural pathways involved in those movements and help the brain respond more effectively to rehabilitation.

Patients can also continue prescribed exercises at home using the Vivistim system. The goal is not simply to stimulate the vagus nerve, but to pair stimulation with specific movements the patient is working to regain.

Implantation and Therapy

The Vivistim device is implanted during a brief outpatient procedure. A small incision is made below the left clavicle, where the pulse generator is placed beneath the skin. A lead is then connected to the left vagus nerve in the neck, and the system is programmed and tested.

After the incision has healed, patients begin an intensive rehabilitation program with a trained therapist. Vagus nerve stimulation is paired with repeated, targeted arm and hand movements during therapy sessions. Patients also continue prescribed exercises at home.

The implant is only one part of the treatment. The rehabilitation program and repeated pairing of stimulation with movement are central to how Vivistim therapy works.

Benefits and risks

Potential benefits

FDA-approved treatment for a population with limited options for continued upper limb recovery
Clinically meaningful improvement in arm and hand function shown in randomized controlled trial
Outpatient implant procedure with rapid recovery
Non-pharmacological no systemic drug side effects

Possible risks

Implant site complications: infection, seroma, lead migration (low rates)
Hoarseness or voice changes from vagal stimulation usually mild and dose-adjustable
Swallowing difficulties in a small percentage of patients
Not appropriate for hemorrhagic stroke, bilateral vagotomy, or cardiac pacemaker in some configurations

Your surgeon will review the benefits and risks specific to your diagnosis during your consultation.

What recovery looks like

Recovery from the implant itself is brief. The rehabilitation program is the central commitment:

Surgery day Outpatient implantation procedure; most patients go home the same day.
Weeks 1–2 Incisions heal and activity around the surgical area may be restricted.
Weeks 2–8 Intensive VNS-paired rehabilitation begins, with prescribed exercises continued at home.
Ongoing Patients continue their home exercise program and receive follow-up for the implanted device and their stroke recovery.

Vivistim® Candidate Screening

Could Vivistim® Be an Option for You?

Answer a few quick questions to see whether your stroke history and current arm or hand limitations may fit the general criteria for Vivistim® Paired VNS™ Therapy.

This screening is for general informational purposes and does not determine eligibility. A clinical evaluation is required to confirm whether Vivistim® is appropriate.

Frequently asked questions

Who is a candidate for Vivistim?

Adults with moderate to severe upper limb motor disability (Fugl-Meyer Upper Extremity score 20 to 50 out of 66) from a single ischemic stroke at least 9 months prior, who are medically stable, motivated to complete intensive rehabilitation, and do not have contraindications to VNS implantation. Hemorrhagic stroke, bilateral vagotomy, and severe dysphagia are contraindications.

How much improvement can I expect?

The VNS-REHAB trial showed a mean improvement in Fugl-Meyer score of approximately 5 points greater with Vivistim plus rehabilitation than with sham plus rehabilitation a statistically and clinically meaningful difference for a population that has typically plateaued with standard therapy. Individual responses vary; the most highly motivated patients who complete the full therapy protocol tend to achieve the greatest benefits.

Is Vivistim covered by insurance?

Coverage is expanding as the device is relatively new to market. Medicare and major commercial insurers are adding coverage. Prior authorization is required. The ABS team and MicroTransponder patient services can assist with insurance navigation.

Can Vivistim be combined with other stroke recovery treatments?

Yes. Vivistim is an adjunct to physical and occupational therapy it enhances the therapy that is already being done. It can be combined with constraint-induced movement therapy (CIMT), robotics-assisted therapy, and other evidence-based rehabilitation approaches. Your rehabilitation medicine team will design the optimal combined program.

This page is for general education and does not replace medical advice. Treatment decisions should be made with a qualified neurosurgeon based on your individual diagnosis and imaging. To discuss your options, call Atlantic Brain and Spine Vascular Neurosurgical Care at 973.993.7772 or request a consultation.

Neurovascular and Neuromodulation Specialists at Atlantic Brain and Spine

Your procedure is performed by fellowship-trained neurosurgeons working closely with rehabilitation specialists to help maximize upper extremity recovery after stroke.