Annals of Indian Academy of Neurology
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Year : 2008  |  Volume : 11  |  Issue : 2  |  Page : 98-102

Migraine pain location in adult patients from eastern India

Department of Neurology, Vivekananda Institute of Medical Sciences, Kolkata, India

Correspondence Address:
Ambar Chakravarty
1E 1202 Avishikta 11, Kolkata 700 078
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-2327.41876

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Background: Sparse literature documenting the location of pain at the onset of migraine attacks and during established headaches is available. Objectives: A prospective study (2003-05) on 800 adult migraine patients (International Classifications of Headache Disorders (ICHD), 2:1.1, 1.2.1 and 1.6.1) was conducted to document (a) sites of onset of pain and (b) location of pain during established attacks (in >50% occasions) through semistructured interviews. Results: Demography: N = 800; M:F = 144:656 (1:4.56); age, 16-42 years (mean, 26 years); duration of migraine, 1-18 years (mean, 6.8 years). 87% of the subjects were ethnic Bengalis from the eastern Indian state of West Bengal, Calcutta being the capital city. Migraine types (on the basis of >50% headache spells): N = 800; 1.1:668 (83.5%); 1.2.1:18 (2.25%); 1.6.1:114 (14.25%). Location of pain at onset: Unilateral onset was present in 41.38% of the patients; of these, 53.17% had eye pain; 8.16%, frontal pain and 38.67%, temporal pain. In 32.25% of the patients, bilateral/central location of pain, mostly bitemporal or at vertex was noted. Cervico-occipital pain onset was noted in 26.43% patients (predominantly occipital, 14.68%; predominantly cervical, 11.75%). Location of established headaches: In 47.4% of the patients, with unilateral ocular or temporal onset, pain remained at the same site. Pain became hemicranial in 32.9%. In most patients, unilateral frontal onset pain (55.5%) became bilateral or holocranial. Most bilateral ocular (69.4%) and temporal onset (69.7%) pains remained at the same location. However, most bifrontal (55.6%) and vertex onset (56.9%) pains subsequently became holocranial. Most occipital pains at onset became holocranial (45.3%), but cervical pains subsequently became either hemicranial (38.3%) or holocranial (36.2%). Conclusions: This study documents location of pain at the onset and during established headaches in migraine patients largely from a specific ethnic group. Migraine with aura appears to be rare among ethnic Bengalis in eastern India. More than half had onset pain bilaterally/centrally and in the cervico-occipital regions. Only 40.5% experienced only unilateral pain. Cervico-occipital migraine pain appears to be common in ethnic Bengalis.

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