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Insights in migraine


Is migraine related to neck pain?
how can i prevent migraines?
how can i stop a prolonged migraine?

IS MIGRAINE RELATED TO NECK PAIN?




This is an interesting question, and a lot of contemporary research and experience indicate there is a connection. Neck pain is significantly more frequent in migraine sufferers than people without migraine, and migraineurs frequently have a decreased range of motion of their cervical spine. Additionally, migraine sufferers frequently have a loss of the normal curvature of their cervical spine, as well as frequent tenderness in the muscles of their head and neck. Interestingly, the more of the cervical curvature they have lost, the greater the number of tender muscles migraineurs have on their head and neck.


Can anything be done about this loss of cervical curvature? A group of investigators in Turkey recently found that if they strengthen the muscles that bend the head backwards (the cervical extensors) over a period of three months, they can restore the normal curvature 85% of the time. The adjacent X-rays are an example of one their patients before and after treatment. They studied this treatment in people with at least moderate to severe neck pain, and found that this restoration of curvature also results in a significant reduction in chronic neck pain. This is a very significant finding, since only a select few treatments have proven beneficial in treating chronic neck pain.


Does restoring this curvature help migraine? Amazingly, a study to evaluate this has never been done. At Bridgepoint Neurology, we have just started using these neck strengthening exercises and will be getting more feedback as time goes on. In my individual clinical experience, I have worked with physical therapists that work on strengthening these neck muscles and it does appear to help people with a modest frequency of migraines (<5-6 days of migraine a month). However, for people with rather frequent migraines (>8 days a month), I usually have to reduce their migraine frequency using medications before they can tolerate physical therapy. Given the safety and simplicity of neck strengthening exercises, their effectiveness in neck pain, and the frequency of the loss of cervical curvature in migraineurs, we recommend everyone with migraine perform these simple exercises.



how can I prevent migraines?



Individuals that suffer from migraines can have these as infrequently as once a year, to as frequently as almost every day. The approach to preventing and treating migraines depends in large part on how frequently someone has these headaches. For someone with migraines as infrequent as once a week, we generally only recommend one of the medications that can be taken to quickly terminate the headaches when they occur. There are medications that can be taken daily to prevent migraines, but this does not seem justifiable with infrequent headaches. Some people with these infrequent migraines also appear to benefit from physical therapy. Yoga may also be helpful at reducing these headaches, and in my experience with patients this has been positive with reasonable consistency. Finally, there is some recent evidence that at least implies migraines may benefit from neck strengthening exercises.


For people with more frequent migraines, there are now a large variety of options to choose from to prevent the headaches. Typically, when such patients come to see us they have already tried chiropractic, massage, or physical therapy without success. None of the preventive medications work 100% of the time, most are helpful around 50% of the time, so it is necessary to try a series of different medications to find what works, and these medications are frequently added to one another for additional benefit. The list of such medications keeps growing and growing, and the selection of which agent to use is largely dependent on any other conditions a patient may have, side effect profile, effectiveness, and insurance coverage. It generally requires several months to find a treatment that consistently reduces migraines, though we rarely completely eliminate them.


Most of the medications we use for preventing migraine were only incidentally found to be helpful. For example, TopamaxTM (topiramate) was developed to treat seizures, and incidentally found to be helpful for migraine. BotoxTM is also approved for preventing frequent migraines, but its effectiveness was incidentally discovered while treating wrinkles. Recently, a class of medications that were specifically developed to prevent migraine have become available, for example AimovigTM and AjoviTM, and these are reasonably effective.


Many patients with frequent migraine have an irregular sleep-wake cycle and there is some evidence that making this cycle more regular also improves migraine control.


A popular concept amid headache specialists is the idea that taking medication to acutely terminate the headaches too frequently can cause more frequent headaches. This is called a "medication-overuse-headache". In our review of the literature, we find very little to no high quality evidence to support this concept. It is of course common to find people whose headaches have been increasing and their use of acute headache relief medication has increased also, but we find it more plausible that it is the worsening headaches that are driving the medication use, not the medication use driving the worsening headaches. In patients taking frequent acute headache relief medication, we focus on finding the right preventive medication, and typically find their use of acute relief medication gradually tapers off.


However, frequent use of narcotic or opioid pain medication by migraine sufferers is strongly recommended against. When we review our patient charts of people who did and did not respond to the more effective treatments, a markedly disproportionate number of poor responders are taking frequent opioid or narcotic pain medications. Additionally, most experienced headache specialists know patients taking frequent doses of such medications rarely get better. There is actually a recognized phenomenon in which taking such medications over the long term can make people even more sensitive to pain, and this is called opioid-induced hyperalgesia. Amazingly, no one knows how frequent this phenomenon is, despite how widely these medications are used and abused.



how can I stop a prolonged migraine?



Although there are a large variety of medications that can be used to relieve the pain of an acute migraine, it is not uncommon for someone with frequent migraines to suffer a headache that goes on for days without any relief from their usual rescue medications. When this goes on for at least 72 hours, it is called "status migranosus" and several different treatments can be effective here. Nevertheless, we find the dividing line of 72 hours rather arbitrary to use these treatments, since most people would be rather frustrated with having a migraine for more than a single day.


One of the treatments that is frequently used for these prolonged migraines is a cocktail of intravenous, non-narcotic medications. This can be given in the emergency room, an infusion center, and is also available in some office settings. My favorite is a combination of ToradolTM, hydrocortisone, CompazineTM, dihydroergotamine and a magnesium sulfate infusion. However, the dihydroergotamine should not be used within 24 hours of taking a medication like Imitrex, Maxalt, or Relpax, since both these medications and dihydroergotamine constrict the blood vessels. Additionally, there should not be any contra-indications to any of the other medications in this cocktail.


Some people with a prolonged migraine may benefit from occipital nerve blocks, an injection of local anesthetic along the base of the skull, to terminate their headache, especially if most of the pain is in the back of the head.


It is also important to ensure it is in fact the same type of headache that someone has experienced before, because other more serious conditions can also have features similar to a prolonged migraine.



BRIDGEPOINT NEUROLOGY



12062 Valley View Street
Suite 107
Garden Grove, CA 92845



Phone: 714-646-7040


info@bridgepointneurology.com