ORIGINAL ARTICLE

Accompanying Symptoms in Vestibular Migraine


Sintomas Acompanhantes na Enxaqueca Vestibular

Aline Turbino Neves Martins da Costa
Daniel Guedes Tomedi
Camila Naegeli Caverni
Larissa Mendonça Agessi
Rosemeire Rocha Fukue
Henrique Ballalai Ferraz
Thais Rodrigues Villa
Universidade Federal de São Paulo

*Correspondence

Aline Turbino Neves Martins da Costa E-mail: alineturbino@gmail.com

Received: May 6, 2019.

Accepted: May 17, 2019.

DOI: 10.5935/2178-7468.20190011

ABSTRACT

Objective: The aim of this study was to classify the patients with vestibular migraine into the subgroups with and without aura, and to evaluate the occurrence of the accompanying symptoms of migraine in each subgroup. Methods: A prospective study performed at a tertiary center of vestibular migraine, with patients fulfilling definitive diagnostic criteria for vestibular migraine through International Classification of Headache Disorders ICHD-3 β. Patients were stratified in the subtypes with and without aura, and the accompanying symptoms were verified in each subgroup. Results:  A total of 143 patients were  included, 124 women and 19 men (86% and 13%, respectively). The mean age of onset of migraine in the patients ranged from 4 to 71 years (SD: 16.0) with a mean of 23 years, and an average headache frequency of 17 days per month (SD: 19.6), with a visual analog scale mean of 7.45 (SD: 1.88). Of the 143 patients evaluated, 101 (70%) had ICHD-3 β criteria for the diagnosis of migraine with aura. In patients with the migraine subgroup with aura, we found a higher relative risk for nausea 2,78 (CI: 0.15-1.0; p0.04), vomiting, 2.65 (CI: 1.26-5.55; p0.009), phonophobia 3,546 (1,647-7,637,  p0,001),  osmophobia  3,016  (1,219-7,462,  p0,014),  kinesiophobia,  2,391  (1,128-5,071, p, 021), tinnitus 2,275 (1,062-4,873, 032), aural fullness 3,934 (1,519 - 10,192,p0,003), motion sickness associated with dizziness 3,924 (1,415 - 10,881, p0,006). Conclusion: In our center,  migraine  with  aura  was  the  most  frequent  subtype of migraine in patients with vestibular migraine. During the head attacks, some associated symptoms were more likely to occur in the aura subgroup, among them: nausea, vomiting, phonophobia, osmophobia, kinesiophobia, tinnitus, aural fullness and motion sickness accompanied by dizziness. In our sample, vestibular migraine associated with migraine with aura showed a higher risk of associated symptoms, suggesting that this subgroup is more severe, and with a more disabling disease.

Keywords: Migraine with aura; Migraine without aura; Vertigo; Vestibular disorders; Dizziness.

 

RESUMO

Objetivo: O objetivo deste estudo foi classificar os pacientes com enxaqueca vestibular nos subgrupos com e sem aura e avaliar a ocorrência dos sintomas associados à enxaqueca em cada subgrupo. Métodos: Estudo prospectivo realizado em um centro terciário de enxaqueca vestibular, com pacientes preenchendo critérios diagnósticos definitivos para enxaqueca vestibular por  meio da Classificação Internacional de Distúrbios da Dor de Cabeça ICHD-3 β. Os pacientes foram estratificados nos subtipos com e sem aura, e os sintomas associados foram verificados em cada subgrupo. Resultados: Foram incluídos 143 pacientes, 124 mulheres e 19 homens (86% e 13%, respectivamente). A idade média de início da enxaqueca nos pacientes variou de 4 a 71 anos (DP: 16,0), com média de 23 anos e frequência média de cefaleia de 17 dias por mês (DP: 19,6), com média da escala visual analógica de 7,45 (DP: 1,88). Dos 143 pacientes avaliados, 101 (70%) apresentavam critérios ICHD-3 β para o diagnóstico de enxaqueca com aura. Nos pacientes com subgrupo de enxaqueca com aura, encontramos maior risco relativo de náusea 2,78 (IC: 0,15-1,0; p0,04), vômitos 2,65 (IC: 1,26-5,55; p0,009), fonofobia 3.546 ( 1.647-7.637, p0.001), osmofobia 3.016 (1.219-7.462, p0.014), cinesiofobia, 2.391 (1.128-5.071, p, 021), zumbido 2.275 (1.062-4.873, 032), plenitude auricular 3.934 (1.519 - 10.192, p0.003), enjoo de movimento associado a tontura 3.924 (1.415 - 10.881, p0.006). Conclusão: Em nosso centro, a enxaqueca com aura foi o subtipo mais frequente de enxaqueca em pacientes com enxaqueca vestibular. Durante os ataques na cabeça, alguns sintomas associados apresentaram maior probabilidade de ocorrer no subgrupo aura, entre eles: náusea, vômito, fonofobia, osmofobia, cinesiofobia, zumbido, plenitude aural e enjoo acompanhados de tontura. Em nossa amostra, a enxaqueca vestibular associada à enxaqueca com aura apresentou maior risco de sintomas associados, sugerindo que esse subgrupo é mais grave e com uma doença mais incapacitante.

Descritores: Enxaqueca com aura; Enxaqueca sem aura; Vertigem; Distúrbios vestibulares; Tontura.

 

INTRODUCTION

     Vestibular migraine (VM) is one of the variants of migraine, with vestibular symptoms (VS) beyond the typical disease model, with a lifetime prevalence of 1%.1 It is the most common cause of episodic vertigo and the second most frequent cause of vertigo in general.2

     Studies on vertigo and dizziness showed a prevalence of 4% to 51.7% among patients with migraine.3 A tertiary neuro-otology center studied the epidemiology of vestibular disorders and their clinical form and found 28.2% of patients with VM. 4

     Many authors have already demonstrated the association between migraine and vestibular symptoms, which are three times more common in the migraine population.2

     The International Headache Society (IHS) has included in an appendix, in 2013, the third edition of the International Classification of Headache Disorders a first step towards the identification of new entities.5,6 (Table 1) The accompanying symptoms are part of the diagnostic criteria for both migraine and vestibular migraine and may be responsible together with vestibular symptoms for the significant impact on patients’ quality of life.7

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     Photophobia, phonophobia, nausea, and vomiting are present in the diagnostic criteria of VM and should accompany at least 50% of the episodes of dizziness.5-6

     The association of VM with subtypes of migraine, migraine with and without aura, and its association with accompanying symptoms has not been consistently analyzed in the literature.

 

OBJECTIVE

     To classify the patients with definitive diagnosis of VM in the subtypes of migraine with and without aura and to evaluate the accompanying symptoms of each subgroup.

 

METHODS

     A prospective study carried out in a tertiary VM outpatient clinic at the Federal University of São Paulo, from Jan 2014 to July 2016, by a neurologist specialized in headache, where demographic data was collected, as diagnosis of the migraine subtypes and accompanying symptoms.

     We evaluated 198 patients with vestibular symptoms and headache, and 55 patients were excluded. All patients included had diagnostic criteria for definitive VM by ICHD-3β, and the neurological and otoneurological examination of these patients was normal.

     We excluded 55 patients, where dizziness could be attributed to systemic causes, or to patients with neurological diseases (epilepsy, stroke) and vestibular, as well as those who used ototoxic medications, chronic alcoholics, patients with a history of drug addiction, previous history of otologic diseases (antecedent of repeated ear infections, ear trauma) and cranial injuries.

     Audiometric examination and computerized cranial tomography were performed, before inclusion of the patients. Patients with low-frequency sensorineural hearing loss were excluded, as well as patients with ischemic lesions in neuroimaging

     Regarding statistics, we first characterized the sample collected by calculating frequencies and percentages or means and standard deviations. Patients were then divided into migraine without aura and migraine with aura and the rates and the percentages were obtained for each group.

     The groups were compared with respect to the follow-up symptoms, using the chi-square test 7 and, if necessary, the Fisher’s exact test.8. Odds ratios (OR) and respective 95% confidence intervals (95% CI) were also calculated.8

     The statistical package used was Minitab, version 18. This research was approved by the Ethics Committee of the University and the patients completed the Informed Consent Term.

 

RESULTS

     Of the 198 patients evaluated, 55 were excluded with a definitive diagnosis of VM. Thus, the group consisted of 124 women and 19 men (86% and 13%, respectively). The mean age of onset of migraine in patients ranged from 4 to 71 years, with a mean of 23 years (SD16), with a mean frequency of 17 days of headache per month (SD10.8). Of the 143 patients with VM, 101 (70%) had ICHD-3 β criteria for migraine with aura (MA) and 29% (42) for migraine without aura (MWO) (Table 2).

     As for the type of aura, 87 (86%) patients presented visual aura, 31 (30%), sensory aura and 3 (2.9%), motor aura (Table 3).

     Concerning pain intensity assessed by visual analog scale (VAS), a mean of 7.45 (SD1.88) was obtained.

     During VM crises, we evaluated some accompanying symptoms in the subgroups of migraine with and without aura. The symptoms were more frequent in VM with aura.

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DISCUSSION

     The migraine association with aura and MV remains controversial. In the study by Calhoun et al.9, which  aimed to  determine  and  characterize  the  prevalence  of dizziness in migraine,  425  patients  were  evaluated, of which 28% had MA. The prevalence of dizziness was twice as high (24.5% vs 12.1%) in migraine with aura compared to migraine without aura (P <0.01). Prevalence also increased with age (P <0.05).

     Another study10 evaluated the prevalence of vertigo, dizziness, and VM over the years in patients diagnosed with migraine, comparing them with a control group. Both groups were assessed for symptoms of dizziness and vertigo.

     The study included 327 patients diagnosed with migraine with and without aura and 324 controls with no history of a frequent headache. 199 (60.9%) patients had migraine with aura (MA), 128 (39.1%) migraine without aura (MWA).

     Patients of the MA subgroup had, more frequently, vertigo symptoms/dizziness than those with MWA. Of the 199 patients in the MA subgroup, 19 (14.84%) always reported vertigo symptoms/dizziness associated with headache, than those of the MWA 19 subgroup (9.55%) reported. Patients in the MA subgroup had a higher association with dizziness and vertigo (P <0001).

     In Neuhauser’s study11, 4869 patients were evaluated on the epidemiology of MV in the general population. In this sample 33 patients had VM, being 36% MA and 64% MWA, and after regression analysis of migraine with aura, it was not a risk factor for VM.

     In the study by Cohen et al,(12), they identified predictive factors of the VM of the 147 individuals, 100 (68%) were women and 47 (32%) men aged 15 to 92 years (mean age 45 years). Of the 147 evaluated, 57 (39%) had migraine with aura and 90 (61%) had no aura; of the subgroup with aura 21 (37%) were male and 36 (63%) female.  A  significant  difference  was  observed  in the subgroups of migraine patients with vestibular symptoms: sensitivity to bright lights occurred in 74% of the subgroup with aura and 43% in the subgroup without aura (p <0001), motion sickness (51% with aura and 39% without aura) and climate changes (54% with aura and 31% without aura), the differences approached but did not reach significance (P = 0.08 and .07, respectively).

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     To investigate the clinical features of multiple diseases that involved vertigo/dizziness, Esch et al.13 investigated 122 patients, and only 16 were diagnosed with VM, where the accompanying symptoms were evaluated. Of the patients, 7 (44%) had aura, 16 (100%) reported nausea, 7 (44%) vomiting, 11 (69%) photophobia and 11 (69%) phonophobia, as well as asymmetric hearing loss in 12 (75%) and tinnitus in 2 (13%).

     A study published in the Neurology Journal 14 on VM, its clinical evolution and cochlear dysfunctions in a 9-year follow-up, followed 61 patients with the diagnosis. The accompanying symptoms were assessed at baseline and followed-up after nine years.

     The most frequent accompanying symptoms at the initial evaluation were photophobia in 59% of the patients and phonophobia in 54%, during the 9-year follow-up, these symptoms were 80% and 77%, respectively.

     During VM crises, cochlear symptoms appeared in 49% of the patients, tinnitus in 33%, auditory symptoms (tinnitus symmetrical, aural fullness) in 26% and hearing difficulty in 26%. Initially, 18% of the patients reported aura and, during follow-up, 44% of the patients reported symptoms.

     This study followed patients with a definitive diagnosis of VM for nine years, their accompanying and cochlear symptoms both at admission and during follow- up, showed worsening of symptoms also in the interictal period. It was possible to observe the appearance of aura during the patients’ follow-up of the patients. The author of the publication suggests that the worsening of the evolution of symptoms, including in the interictal period, may be associated with a progressive deterioration of the vestibular system caused by the disease.

     In our sample, patients with VM diagnosis of the aura subgroup had a higher chance of presenting nausea, vomiting, phonophobia, osmophobia, kinesiophobia, tinnitus, auricular fullness and motion sickness associated with dizziness. Photophobia, headache, hearing loss, headache-associated kinesis, and isolated kinesis were not associated with the MA subgroup.

     There are, to date, no other studies correlating the odds ratio of the accompanying symptoms between the VM and the subgroups of migraine.

     We must emphasize the significant size of this sample, and that this is a tertiary research center of VM. All patients were diagnosed by a neurologist specialized in headache and vestibular symptoms and met the criteria of VM according to ICHD-3 β.

     Although there was no statistical difference between the groups (migraine with or without aura regarding vestibular symptoms), they appeared three times more in the subgroup with aura. However, because of the size of our sample, it may not be possible to state that having aura is a risk factor for developing vestibular symptoms. Thus, studies with larger populations should be carried out.

     It is still relevant to note that, in the aura subgroup, the accompanying symptoms had a higher  relative  risk ratio for several accompanying symptoms, which demonstrates the greater severity and a more debilitating condition for this association of diagnoses.

     Leão’s cortical spreading depression15 in migraine with aura and neuronal hyperexcitability exacerbate the trigeminal activation process, thus causing neurogenic inflammation. This could contribute to the activation and sustained sensitization of this process, as well as cause reversible vasospasm of the internal auditory artery, responsible for vestibular symptoms, both during VM crises, and could also be responsible for damages in this pathway, which could justify vestibular symptoms, even during the interictal period.16,17

 

CONCLUSION

     Patients with vestibular migraine and migraine with aura, when compared to patients with VM and migraine without aura, present a higher relative risk   of having accompanying symptoms such as nausea, vomiting, phonophobia, osmophobia, kinesiophobia, tinnitus, auricular fullness, and motion sickness associated with dizziness.

     Detailed anamnesis and the active search for the presence of aura, during the initial assessment and also during the evolution of the patient with VM, are necessary, in order to diagnose vestibular symptoms. Diagnosing this subgroup with aura, where the accompanying symptoms are more frequent, makes them a group of patients with a more severe disease and with a worse prognosis.

 

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