Doctor insights on:
How Can Vbloc Therapy Affect The Vagus Nerve
Electrically: An electrode is implanted that is hooked to a pulse generator and the nerve is stimulated. Depending on where the electrode is placed and what the desired result is, this would be the end result. To my knowlege, vbloc is not available in the USA other than perhaps a research center under rigidly controlled experimental protocols. Interesting question, why do you ask? ...Read moreSee 1 more doctor answer
The brain and spinal cord communicates with what is occurring in the internal organs and limbs by nerve fibers where are like electrical wires with insulation (myelin) and the "copper" (axon). Within brain and spinal cord these nerves connect to other nerves via synapses on both axons and dendrites. A nerve can carry information regarding sensations, and ...Read more
Prevent seizures: Vagus nerve stimulation (vns) is designed to prevent seizures by sending regular, mild pulses of electrical energy to the brain via the vagus nerve. These pulses are supplied by a device something like a pacemaker. http://www.epilepsy.com/epilepsy/vns. ...Read moreSee 1 more doctor answer
What percentage of epilepsy patients are good candidates for vagus nerve stimulation (vns) therapy?
VNS candidates: must be at least 12 years old (in the US) and have seizures that are known to respond to VNS ( eg. focal seizures, secondarily generalized seizures ) and have failed to achieve adequate seizure control with at least two anticonvulsants (with documented therapeutic levels) or a combination of medications. Typically they are not good epilepsy surgery candidates. In my practice: about 1/3 patients. ...Read more
Lukewarm option: Vagal nerve stimulation (vns) for treatment resistant depression is fda approved (2005). However, subsequent studies have not been too supportive of its use. There are many medication options and combinations these days as well as transcranial magnetic stimulation (less invasive) and electroconvulsive therapy (still an effective treatment). ...Read more
My uvula is deviated to the left, could this be serious? Could I have a tumor impinging my vagus nerve? I don't have any other symptoms.
You're fine: I see that you are a first year medical student. Deviation of the uvula is a marker for a cranial nerve palsy, but when you eventually see it in real life, it's spectacular and the movements of the other throat muscles are obviously abnormal. Few uvulas are truly straight. You'll also learn that you have palpable lymph nodes in your neck that may not be in the anatomy book -- they're okay too. ...Read more
Symptoms: The vagus nerve controls heart rate blood pressure and other automatic functions of stomach, bowel, bladder. Vaso-vagal syncope is common with sudden pale, light-headed and faint. Stress, shock, donating blood etc can cause this reaction. Rubbing the neck may induce reaction. Heart rate studies may suggest a problem. ...Read more
What are the methods for diagnosing/ locating damage to vagus nerve? Can it be repaired/ reactivated?
Variable: The vagus="the wandering nerve is one of two vagus nerves that are left anterior and right posterior along the esophagus in the chest to the stomach. If one is damaged there may be no signs. If both are damaged or surgically divided there are changes in gastric -stomach acid production and motility. But if cut high in the neck the recurrent laryngeal -voice nerves will be affected. ...Read moreSee 1 more doctor answer
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