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In this video, Dr. Huntoon discusses if having symptoms is ever normal and what you should know if you have symptoms.
Benign Positional Vertigo is a pretty severe symptom to have and should be looked at by someone who understands the inner workings of the ear and the various causes associated with the condition.
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Benign Positional Vertigo (BPV)
Vertigo - positional; Benign paroxysmal positional vertigo; BPPV
Benign Positional Vertigo (BPV) is a condition in which a person develops a sudden sensation of spinning, usually when moving the head.
It is the most common cause of vertigo.
Benign Paroxysmal Positional Vertigo (BPPV) is a disorder arising from a problem in the inner ear. Symptoms are repeated, brief periods of vertigo with movement, that is, of a spinning sensation upon changes in the position of the head. This can occur with turning in bed or changing position. Each episode of vertigo typically lasts less than one minute. Nausea is commonly associated. BPPV is one of the most common causes of vertigo.
The first medical description of the condition occurred in 1921 by Robert Barany. About 2.4% of people are affected at some point in time. Among those who live until their 80s, 10% have been affected. BPPV affects females twice as often as males. Onset is typically in the person's 50s to 70s.
Causes, Incidence, and Risk Factors
Within the labyrinth of the inner ear lie collections of calcium crystals known as otoconia or otoliths. In patients with BPPV, the otoconia are dislodged from their usual position within the utricle, and migrate over time into one of the semicircular canals (the posterior canal is most commonly affected due to its anatomical position). When the head is reoriented relative to gravity, the gravity-dependent movement of the heavier otoconial debris (colloquially "ear rocks") within the affected semicircular canal causes abnormal (pathological) endolymph fluid displacement and a resultant sensation of vertigo. This more common condition is known as canalithiasis.
In rare cases, the crystals themselves can adhere to a semicircular canal cupula, rendering it heavier than the surrounding endolymph. Upon reorientation of the head relative to gravity, the cupula is weighted down by the dense particles, thereby inducing an immediate and sustained excitation of semicircular canal afferent nerves. This condition is termed cupulolithiasis.
There is evidence in the dental literature that malleting of an osteotome during closed sinus floor elevation, otherwise known as osteotome sinus elevation or lift, transmits percussive and vibratory forces capable of detaching otoliths from their normal location and thereby leading to the symptoms of BPPV.
It can be triggered by any action which stimulates the posterior semi-circular canal, including:
BPPV may be made worse by any number of modifiers which may vary between individuals:
An episode of BPPV may be triggered by dehydration, such as that caused by diarrhea. For this reason, it commonly occurs in post-operative patients who have diarrhea induced by post-operative antibiotics.
BPPV is one of the most common vestibular disorders in patients presenting with dizziness; migraine is implicated in idiopathic cases. Proposed mechanisms linking the two are genetic factors and vascular damage to the labyrinth.
Although BPPV can occur at any age, it is most often seen in people over the age of 60. Besides aging, there are no major risk factors known for developing BPPV, although previous episodes of trauma to the head, or inner ear infections known as labyrinthitis, may predispose individuals to future development of BPPV.
Benign Positional Vertigo is due to a disturbance within the inner ear. The inner ear has fluid-filled tubes called semicircular canals. The canals are very sensitive to movement of the fluid, which occurs as you change position. The fluid movement allows your brain to interpret your body's position and maintain your balance.
Benign Positional Vertigo develops when a small piece of bone-like calcium breaks free and floats within the tube of the inner ear. This sends the brain confusing messages about your body's position.
The inside of the ear is composed of an organ called the vestibular labyrinth. The vestibular labyrinth includes semicircular canals, which contain fluids and fine hairlike sensors which act as a monitor to the rotations of the head. An important structure in the inner ear includes the otolith organs which contain crystals that are sensitive to gravity. These crystals are responsible for sensitivity to head positions, and can also be dislocated, causing them to lodge inside one of the semicircular canals, which causes dizziness.
There are no major risk factors. However, the condition may partly run in families. A prior head injury (even a slight bump to the head) or an inner ear infection called labyrinthitis may make some people more likely to develop the condition.
BPPV can result from a head injury or simply occur among those who are older.
A specific cause is often not found.
The Causal Mechanism
The underlying mechanism involves a small calcified otolith moving around loose in the inner ear. It is a type of balance disorder along with labyrinthitis and Ménière's disease.
Diagnosis is typically made when the Dix–Hallpike test results in nystagmus (a specific movement pattern of the eyes) and other possible causes have been ruled out. In typical cases medical imaging is not needed.
People with this condition feel as though they are spinning or moving, or that the world is spinning around them. They may experience:
The spinning sensation:
Most often, patients say the spinning feeling is triggered when they roll over in bed or tilt their head up to look at something.
Signs and Tests
To diagnose Benign Positional Vertigo, the health care provider will often perform a test called the Dix-Hallpike maneuver.
The health care provider holds your head in a certain position and asks you to lie quickly backward over a table.
As you do this, the health care provider will look for abnormal eye movements and ask if you feel a spinning sensation. The doctor may use different methods to help evaluate your eye movements.
A physical exam should otherwise be normal. A complete medical history and careful brain and nervous system (neurological) exam should be done to rule out other reasons for your symptoms.
Tests that may be done include:
The most effective treatment is a procedure called "Epley's maneuver," which can move the small piece of bone-like calcium that is floating inside your inner ear canal known as your Cochlea.
Other exercises that can readjust your response to head movements are less effective.
Occasionally, medications may be prescribed to relieve the spinning sensations. Such drugs may include:
However, these medicines often do not work very well for treating vertigo.
To prevent your symptoms from getting worse during episodes of vertigo, avoid the positions that trigger it.
Benign positional vertigo is uncomfortable, but usually improves with time. This condition may occur again without warning.
Patients with severe vertigo may get dehydrated due to frequent vomiting.
Calling your health care provider
Call your health care provider if:
You develop vertigo
Treatment for vertigo has not worked
You develop symptoms such as weakness, slurred speech, or vision problems that may be signs of a more serious condition
Medicines Two Choices for You
Dr. Huntoon has been helping people with this concern for over 25 years. Having learned a specific technique that has even worked on himself, knowing how to apply the technique and having experience with the technique is important.
The most effective treatment is a procedure called "Epley's Maneuver," which can move the small piece of bone-like calcium that is floating inside your inner ear. Other exercises that can readjust your response to head movements are less effective. Finding a practitioner (Medical ENT or Alternative practitioner) who knows how to do the Epley's Maneuver would be important. Calling and discussing the specifics before the office visit is the least that can be expected.
Avoid head positions that trigger positional vertigo.
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Dr. Richard A. Huntoon