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Psychology of headaches

Post-concussion symptoms have long been thought to be more severe and prolonged in people who have pre-existing psychological problems. This has been shown to be the case in the military personnel. A new study confirmed this observation in the first prospective study. Over 2,000 high school and college athletes in Wisconsin were asked to answer 18 questions (Brief Symptom Inventory-18, or BSI-18) and then were followed for three years. The 18 questions, which are listed below, addressed the presence of anxiety, panic attacks, depression, and somatization (excessive bodily sensations). In the ensuing three years, 127 athletes sustained a concussion. The concussion had to be diagnosed by a licensed athletic trainer according to the Department of Defence definition, which includes alteration of mental status with associated headache, nausea, vomiting, balance difficulties, dizziness, cognitive difficulties, and other. These athletes were again evaluated two and six weeks later. Eighty percent of concussed athletes were men. The mean duration of symptoms was five days. Ninety five percent of them recovered completely within a month. High somatization score on the BSI-18 questionnaire predicted prolonged duration of symptoms, while no correlation was found with the years of playing a sport, the type of sport (most played football), number of prior concussions, migraines, ADHD, or the grade point average. Another factor that delayed recovery was the initial symptom severity after the concussion. Most of the concussions were mild with less than 10% of athletes losing consciousness.

An interesting and unexplained fact, not examined in this study, is that milder concussions tend to cause more severe symptoms than severe ones.

This was a very thorough study, but it was relatively small, so it is possible that other pre-concussion factors may also delay recovery. One such factor is pre-existing migraines. I see many patients, adults and children, who suffered from migraines and after a concussion have worsening of their migraines or new daily persistent headaches. If they themselves have never suffered from migraines, often their mother or siblings have a history of migraines, suggesting genetic predisposition to migraines.

Treatment of post-concussion symptoms, include typical therapies employed in migraine sufferers, including aerobic exercise, biofeedback, magnesium supplementation, Botox injections, and a variety of medications.

Brief Symptom Inventory-18

The Somatization dimension
01. Faintness or dizziness
04. Pains in heart or chest
07. Nausea or upset stomach
10. Trouble getting your breath
13. Numbness or tingling in parts of your body
16. Feeling weak in parts of your body
The depression dimension
02. Feeling no interest in things
05. Feeling lonely
08. Feeling blue
11. Feeling of worthlessness
14. Feeling hopeless about the future
17. Thoughts of ending your life
General anxiety
03. Nervousness or shakiness inside
06. Feeling tense or keyed up
15. Feeling so restless you couldn’t sit still
Panic
09. Suddenly scared for no reason
12. Spells of terror or panic
18. Feeling fearful

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Acupuncture and Alexander technique appear to be equally effective and significantly more effective for the treatment of chronic neck pain than routine care, according to a study by British researchers published in the latest issue of the Annals of Internal Medicine.

The doctors divided 517 patients who suffered from neck pain for at least 6 years into three groups. The first group received an average of 10 50-minute acupuncture treatments, the second had an average of 14 30-minute Alexander technique lessons, and the third group received the usual care. The authors found that acupuncture and Alexander technique both led to a significant reduction in neck pain and associated disability compared with usual care at 12 months.

One possible explanation of such good efficacy beyond the direct effect of the treatments was that patients in the active treatment groups had improved self-efficacy. Self-efficacy is the belief that one’s actions are responsible for successful outcomes and it was measured by a standardized questionnaire.

It is possible that other forms of therapy that enhance self-efficacy, such as tai chi, meditation, and other can also improve long-standing neck pain, as well as headaches. There are many acupuncture studies that show a significant benefit for migraine headaches (here is one described in a previous post), however unlike this neck pain study most of them did not follow patients for such a long period of time. Alexander technique has been also helpful for some of my patients, but again, good studies are lacking.

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Many medical and pain conditions, including migraines, are more likely to occur in people who were abused in childhood. A new study by Richard Lipton and his colleagues compared the risk of developing migraines with the risk of developing episodic tension-type headache in people who experienced emotional abuse, emotional neglect, or sexual abuse. Episodic tension-type headaches are relatively mild and are experienced by most people from a variety of triggers, such as stress, sleep deprivation, hunger, and acute medical illness. Migraines, on the other hand, are much more severe and often cause inability to function and interfere with the quality of life.

Incidence of history of abuse was compared in 8,305 migraine sufferers and 1,429 people who had tension-type headaches. Emotional neglect and sexual abuse was more common in those with migraines but with these two types of abuse the development of migraine was linked to the development of anxiety and depression. Only those with emotional abuse had an increased risk of having migraines even without having anxiety and depression. All three forms of maltreatment were also associated with an increase in migraine headache frequency, but only when anxiety and depression was also present. This study also showed that having two or three forms of abuse was more likely to cause migraines than if only one type of abuse was reported.

Previous studies have also shown a correlation between the number of maltreatment types and pain conditions. These pain conditions include fibromyalgia, irritable bowel syndrome, interstitial cystitis, and temporo-mandibular joint disorder. Exposure to abuse or a traumatic event is thought to lead to a persistent increased excitability of the nervous system, which in turn makes one more predisposed to various pain conditions.

The importance of Lipton’s study is in reminding doctors who treat pain conditions to ask about maltreatment in childhood and about other traumatic events. Post-traumatic stress disorder is common in abuse victims and it needs to be recognized and addressed when treating migraines and pain. Psychological approaches, such as biofeedback and cognitive-behavioral therapy should always be included in the treatment of chronic pain and headaches, but it is particularly necessary in people with a history of abuse or emotional trauma.

 

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