Newswise — September 24, 2020 – “Can you draw me a picture of your headache?” may sound like an unusual question – but drawings of headache pain provide plastic surgeons with valuable information on which patients are more or less likely to benefit from surgery to alleviate migraine headaches.
Patients with more “typical” patterns on pain sketches have larger reductions in headache scores after migraine “trigger site” surgery, suggests a new study by Lisa Gfrerer, MD PhD and William Gerald Austen, Jr., MD, and colleagues of Harvard Medical School. The study appears in the October issue of Plastic and Reconstructive Surgery®, the official medical journal of the American Society of Plastic Surgeons (ASPS).
Migraine surgery has become an established treatment alternative for some patients with intractable migraine headaches. Developed by plastic surgeons who noticed that some migraine patients had fewer headaches after cosmetic forehead-lift, migraine surgery targets specific trigger sites linked to certain headache patterns. More than 5,200 patients underwent migraine peripheral trigger site surgery in 2019, according to ASPS statistics.
However, it can be difficult to predict which patients will get good results from migraine surgery. Drs. Gfrerer, Austen and colleagues have noticed that there are “pathognomic” pain patterns for each trigger site. “In our experience, a valuable method to visualize pain/trigger sites is to ask patients to draw their pain,” the researchers write. In the new study, they analyzed how well the patterns on these pain drawings predict the outcomes of migraine surgery.
The study included 106 patients who made pain sketches as part of their evaluation for migraine surgery. The sketches were reviewed by experienced researchers who were unaware of the patients’ headache symptoms or other characteristics, and classified into three groups:
- Typical – showing pain originating from and spreading along the expected path of a specific nerve (59 percent of sketches)
- Intermediate – showing pain along the path of the nerve, but with an atypical spread (radiation) of pain (29 percent)
- Atypical – pain originating and radiating outside of the expected nerve distribution (12 percent)
One year after surgery, outcomes were assessed using a standard score, the Migraine Headache Index (MHI). Patients with typical or intermediate patterns on their pain drawings had similarly good outcomes: MHI scores improved by 73 and 78 percent, respectively.
However, for patients with atypical pain sketches the results were not as good: only 30 percent improvement in MHI score. Just one-fifth of patients in the atypical group had more than 30 percent improvement after migraine surgery.
The researchers emphasize that pain drawings should be just one part of the standard patient assessment. Migraine patients with atypical pain drawings may still have “compelling reasons” for surgery but should understand that they have lower chances of a positive outcome.
As migraine surgery becomes more widely used, pain sketches could be one way to target those patients most likely to have good outcomes. Drs Gfrerer, Austen and coauthors conclude: “As we continue to develop algorithms to select patients for migraine surgery, patient drawings should be considered as an effective, cheap, and simple-to-interpret tool to select candidates for surgery.”
DOI: 10.1097/PRS.0000000000007162
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Plastic and Reconstructive Surgery® is published in the Lippincott portfolio by Wolters Kluwer.
About Plastic and Reconstructive Surgery
For more than 70 years, Plastic and Reconstructive Surgery® (http://www.prsjournal.com/) has been the one consistently excellent reference for every specialist who uses plastic surgery techniques or works in conjunction with a plastic surgeon. The official journal of the American Society of Plastic Surgeons, Plastic and Reconstructive Surgery® brings subscribers up-to-the-minute reports on the latest techniques and follow-up for all areas of plastic and reconstructive surgery, including breast reconstruction, experimental studies, maxillofacial reconstruction, hand and microsurgery, burn repair and cosmetic surgery, as well as news on medico-legal issues.
About ASPS
The American Society of Plastic Surgeons is the largest organization of board-certified plastic surgeons in the world. Representing more than 7,000 physician members, the society is recognized as a leading authority and information source on cosmetic and reconstructive plastic surgery. ASPS comprises more than 94 percent of all board-certified plastic surgeons in the United States. Founded in 1931, the society represents physicians certified by The American Board of Plastic Surgery or The Royal College of Physicians and Surgeons of Canada.
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