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3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
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Validation of a Portuguese version of the four-item Migraine Interictal Burden Scale

Sofia Ferrão Malheiro1, Filipa Dourado Sotero2,3, Manuel Bragança Pereira4

  • 1Neurologia, Centro Hospitalar Universitário de Santo António (CHUSA), Porto, Portugal.

Headache
|May 20, 2025
PubMed
Abstract

Insights

The Migraine Interictal Burden Scale-4 (MIBS-4) was successfully adapted and validated for Portuguese-speaking populations. This tool reliably measures disability between migraine attacks, improving patient care.

Area of Science:

  • Neurology
  • Psychometrics
  • Public Health

Background:

  • Migraine is a leading cause of neurological disability, impacting daily life significantly.
  • Interictal (between-attack) impairment in migraine is often underestimated.
  • The Migraine Interictal Burden Scale-4 (MIBS-4) assesses this crucial aspect of migraine burden.

Purpose of the Study:

  • To translate and validate the MIBS-4 for use in Portuguese-speaking populations.
  • To evaluate the psychometric properties of the Portuguese version of the MIBS-4.
  • To provide a reliable tool for assessing interictal disability in migraine patients.

Main Methods:

  • A prospective, multicentric observational study involving 459 migraine patients across six Portuguese centers.
  • Translation and back-translation of the MIBS-4 to ensure linguistic accuracy.
  • Psychometric validation through correlation with established scales: MIDAS, SF-12, and HADS.

Main Results:

  • The Portuguese MIBS-4 demonstrated good internal consistency (Cronbach's alpha = 0.84).
  • Significant correlations were found between MIBS-4 and MIDAS (r=0.304), SF-12 (r=0.483), and HADS (r=0.211), confirming construct validity.
  • The scale proved reliable and effective in assessing interictal disability.

Conclusions:

  • The Portuguese version of the MIBS-4 exhibits psychometric properties comparable to the original scale.
  • This validated tool can effectively assess interictal disability in Portuguese-speaking migraine patients.
  • The MIBS-4 offers a valuable resource for clinical practice and research in lusophone countries.
Keywords:
four‐item Migraine Interictal Burden Scaleheadachemigrainemigraine burden

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