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Orthostatic intolerance is identified in nearly two-thirds of children with primary headache and dizziness, independent of headache subtype.
Dizziness and headaches frequently go hand-in-hand in children and adolescents, but tracing the exact root of the dizziness can be a clinical puzzle. While orthostatic intolerance (OI) and otologic conditions are known primary culprits, distinguishing between them is cumbersome. A new single-center retrospective study clarifies this diagnostic spectrum, revealing that a patient's age and sex are the most reliable indicators of their underlying condition.
Son HJ and other researchers reviewed the records of 310 pediatric patients, aged 7 to 18 years, who presented with both primary headache and dizziness. The clinical team utilized head-up tilt testing to evaluate for OI—specifically postural orthostatic tachycardia syndrome (POTS) and orthostatic hypotension (OH)—while otolaryngologists diagnosed otologic diseases, such as peripheral vestibular disorders. The cohort presented with the following primary headache subtypes:
The study found a remarkably high prevalence of OI, which was identified in 63.9% of the patients. Within this group, 40.6% had OH and 23.2% had POTS. Otologic diseases were diagnosed in 20.0% of the patients. Crucially, researchers discovered that the distributions of OI and otologic diseases did not differ markedly based on the type of headache a child experienced. Instead, the diagnostic patterns were heavily dictated by demographics:
For pediatricians, neurologists, and otolaryngologists, this study shifts the diagnostic paradigm. When examining pediatrics for headache-associated dizziness, practitioners should rely heavily on demographic and developmental clues—specifically age and gender—rather than the headache subtype to guide their clinical workup and treatment strategies.
Headache and Pain Research
Diagnostic Spectrum of Orthostatic Intolerance and Otologic Diseases in Pediatric Patients with Primary Headache and Dizziness: A Single-Center Retrospective Study
Son HJ et al.
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