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J Korean Med Sci. 2016 Jan;31(1):106-13. doi: 10.3346/jkms.2016.31.1.106. Epub 2015 Dec 24.

Comprehensive Application of the International Classification of Headache Disorders Third Edition, Beta Version.

Author information

1
Department of Neurology, Seoul Eulji Hospital, Eulji University School of Medicine, Seoul, Korea.
2
Department of Neurology, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Osan, Korea.
3
Department of Neurology, Bundang Jesaeng Hospital, Seongnam, Korea.
4
Department of Neurology, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Chuncheon, Korea.
5
Department of Neurology, Gyeongsang National University School of Medicine, Jinju, Korea.
6
Department of Neurology, National Police Hospital, Seoul, Korea.
7
Department of Neurology, Ewha Womans University School of Medicine, Seoul, Korea.
8
Department of Neurology, Chungnam National University College of Medicine, Daejeon, Korea.
9
Department of Neurology, Uijeongbu St.Mary's Hospital, The Catholic University of Korea College of Medicine, Uijeongbu, Korea.
10
Department of Neurology, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea.
11
Department of Neurology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea.
12
Department of Neurology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.

Abstract

The purpose of this study was to test the feasibility and usefulness of the International Classification of Headache Disorders, third edition, beta version (ICHD-3β), and compare the differences with the International Classification of Headache Disorders, second edition (ICHD-2). Consecutive first-visit patients were recruited from 11 headache clinics in Korea. Headache classification was performed in accordance with ICHD-3β. The characteristics of headaches were analyzed and the feasibility and usefulness of this version was assessed by the proportion of unclassified headache disorders compared with ICHD-2. A total of 1,627 patients were enrolled (mean age, 47.4±14.7 yr; 62.8% female). Classification by ICHD-3β was achieved in 97.8% of headache patients, whereas 90.0% could be classified by ICHD-2. Primary headaches (n=1,429, 87.8%) were classified as follows: 697 migraines, 445 tension-type headaches, 22 cluster headaches, and 265 other primary headache disorders. Secondary headache or painful cranial neuropathies/other facial pains were diagnosed in 163 patients (10.0%). Only 2.2% were not classified by ICHD-3β. The main reasons for missing classifications were insufficient information (1.6%) or absence of suitable classification (0.6%). The diagnoses differed from those using ICHD-2 in 243 patients (14.9%). Among them, 165 patients were newly classified from unclassified with ICHD-2 because of the relaxation of the previous strict criteria or the introduction of a new diagnostic category. ICHD-3β would yield a higher classification rate than its previous version, ICHD-2. ICHD-3β is applicable in clinical practice for first-visit headache patients of a referral hospital.

KEYWORDS:

Diagnosis; Headache; Migraine Disorders; Outpatients

PMID:
26770045
PMCID:
PMC4712567
DOI:
10.3346/jkms.2016.31.1.106
[Indexed for MEDLINE]
Free PMC Article

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