VNS surgery involves implanting a small device in the chest, which sends gentle electrical impulses through the vagus nerve to the brain. These impulses help prevent seizures or reduce their intensity in patients with drug-resistant epilepsy. The device works continuously or in scheduled bursts.
There are two main types Traditional VNS, where a device is surgically implanted, and Non-Invasive VNS, which uses an external handheld device. Traditional VNS is usually preferred for treating severe epilepsy. The best option depends on how often seizures happen, their intensity, and whether the patient is suitable for implant-based treatment.
VNS is usually done when epilepsy does not respond to standard medications. Causes may include genetic epilepsy, brain injury, or developmental issues. When medications can’t control seizures, and surgery on the brain isn’t possible, VNS offers an effective alternative to reduce seizure severity and improve long-term brain function and daily living.
VNS may be needed when someone has frequent, uncontrolled seizures that don’t improve with medications. Warning signs include blackouts, sudden collapses, and loss of awareness. These symptoms can be dangerous and affect everyday life. If they continue despite treatment, VNS might help reduce seizure frequency and improve quality of life and safety.
To determine if VNS is suitable, doctors perform tests like EEG, MRI scans, and evaluate how well medications have worked. If seizures continue even after trying multiple drugs, and brain surgery isn’t an option, then VNS may be considered. This decision is made after careful analysis of the patient’s seizure pattern and overall health.
During VNS surgery, a small device is placed under the skin in the upper chest, under general anesthesia. A wire is attached from the device to the vagus nerve in the neck. The device sends electrical signals to the brain to help prevent seizures. After surgery, patients stay briefly in the hospital for monitoring and device setup.
Consider seeing a doctor if seizures persist despite medications or worsen over time.
If seizures remain frequent or severe even after trying multiple medications.
Experiencing sudden drop attacks or falls during seizures, increasing the risk of serious injuries and affecting daily safety.
Frequent seizures cause confusion, memory gaps, and loss of awareness, impacting overall cognitive function and quality of life.
Repeated unpredictable seizures result in frequent injuries, despite taking precautions, leading to physical harm and emotional stress.
Seizures disrupt daily routines, cause emotional distress, affect work or school, and reduce overall independence and social engagement.
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VNS is a surgery where a device is implanted to send electrical signals via the vagus nerve, helping control epilepsy symptoms.
It’s ideal for epilepsy patients who haven’t improved with medication and aren’t suitable for brain surgery.
The procedure is performed under general anesthesia. Mild discomfort may occur post-op, but it usually resolves within a few days.
The surgery typically takes 1-2 hours and often involves a short hospital stay for recovery and device activation.
Side effects may include voice changes or throat pain. Serious complications are rare and can be managed with follow-up care.
