Schreiber et al1(p1772) conclude in a recent article that “88% of patients with a history of ‘sinus’ (sic) headache were determined to have migraine-type headache.” Their conclusion was largely based on the definition that the authors selected: The International Headache Society rejects chronic sinusitis, but not acute sinusitis, as a cause of headache. Because patients with acute sinusitis were excluded from the study of Schreiber et al,1 any patient with a headache could not have had a sinus headache by the definition they chose. Therefore, the authors’ conclusion that another source caused the headache was inevitable.
Chester AC. The Demise of the Sinus Headache Is Premature. Arch Intern Med. 2005;165(8):954. doi:10.1001/archinte.165.8.954-a
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