Observational studyRevista de neurologia2023
[Descriptive study of the alterations in neuroimaging tests in patients with headache in an outpatient setting].
Observational study in Revista de neurologia, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
introductionAvailable studies provide limited guidance on the use of neuroimaging in patients with headache in the outpatient setting. The aim of this study was to describe and analyse the frequency and the percentage of neuroimaging abnormalities in patients evaluated for headache in a neurology clinic, as well as to determine which red flags are most commonly associated with these abnormalities. PATIENTS AND
methodsWe conducted an observational, descriptive and cross-sectional study of a series of patients with headache from the neurology department of the Hospital Universitario de Mostoles who underwent a neuroimaging test.
resultsA total of 279 patients (190 women and 89 men) were included in the study. No patient without any red flags had severe abnormalities in the neuroimaging study and, of those with red flags (219 patients), only 2.3% (five patients) displayed severe abnormalities. The two red flags that were significantly associated with an increased likelihood of severe neuroimaging abnormalities were headache that is triggered or significantly worsened by postural changes or Valsalva manoeuvres and chronic daily headache since onset.
conclusionsThe prevalence of significant neuroimaging abnormalities in headache patients in an outpatient setting was low, even in the presence of red flags, and so their utility appears to be lower in an outpatient setting. It may be reasonable to try to reduce the use of neuroimaging with headache patients in the outpatient setting.
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