Conference Coverage

What is the proper treatment for posttraumatic headache? Expert debate


 

AT AHS 2023

AUSTIN, TEX – Posttraumatic headache presents physicians with a dilemma: Should patients be treated early on with preventatives, or should clinicians delay any preventative treatment to see whether headaches resolve on their own? There are no guidelines available, nor is there much quality evidence to support one decision or another, according to two experts who debated the question at the annual meeting of the American Headache Society.

Early treatment

Frank Conidi, DO, spoke first, and pointed out the need to define both early treatment and the condition being treated. Is it early-treatment abortive, is it preventative, and if the patient has a concussion, is it a mild traumatic brain injury (TBI), or severe TBI?

Frank Conidi, DO, is the director of the Florida Center for Headache and Sports Neurology in Port Saint Lucie, Fla. Florida Center for Headache and Sports Neurology

Dr. Frank Conidi

The majority of patients with posttraumatic headache will meet criteria for migraine or probable migraine. “It can be anywhere from 58% to upwards of 90%. And if you see these patients, it makes sense, because posttraumatic headache patients are disabled by their headaches,” said Dr. Conidi, director of the Florida Center for Headache and Sports Neurology.

He argued for early treatment to reduce chronification. “We know that if headaches are left untreated, they’re going to start to spiral up and become daily. This leads to the development of peripheral and central sensitization and lowers the threshold for further migraine attacks,” said Dr. Conidi.

He noted that patients with posttraumatic headache often have comorbidities such as sleep issues, neck pain, or posttraumatic stress disorder, all of which are risk factors for chronification. Treatment does not necessarily mean medication, however. “The mainstay of posttraumatic headache treatment is actually physical and cognitive activity to tolerance. And what I call the 20/5 rule: 20 minutes of physical activity with 5-minute chill breaks. In addition, we use light sub-aerobic exercise 3 to 5 days out in concussion, [which] has been shown to improve concussion recovery time,” he said.

Dr. Conidi suggested treatment of triggers, such as neck issues and whiplash symptoms. “Probably the best treatment I’ve ever seen, and I published on this, are pericranial nerve blocks. Pericranial nerve blocks work wonderfully. If you’re going to block the pericranial nerves, block them all, not just the occipital. Block the trigeminal branches. I’ve actually been able to locate a little two-and-a-half-inch plastic Luer-lock catheter that I can hook on a 1-cc syringe with viscous lidocaine, and I can do sphenopalatine ganglion blocks on all my patients now for under 25 cents. So we’ve been combining the nerve blocks, and we’ve been using them early. Oftentimes the patients won’t have any further headaches, especially if it’s [after] a concussion,” he said.

With respect to concussion-related posttraumatic headache, he summed up: “We’re aggressive early. We’re using intervention. We’re layering our treatment. We’re using medications: prednisone, NSAIDS, and now we have gepants. We’ve been having good success with using gepants,” he said.

Treatment of TBI patients is broadly similar, with the main difference being that neurologists typically won’t see such patients early on as they may be in rehab facilities or hospitals for extended periods. “You may not be getting [to see] them for 1 or 2 months. In that case, you want to educate your neurosurgery and your [physical medicine and rehabilitation] colleagues on the treatment.

Finally, he described work that his group has done in using stimulants for posttraumatic headache. “Stimulants not only treat the cognitive symptoms, but they give the patient cognitive reserve and we find that it gets the patient through the day so they actually have less headaches. It’s a form of prevention. I know there are shortages nationally of both Adderall and Ritalin, but we have had excellent results in our posttraumatic patients using these types of medications,” said Dr. Conidi.

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