Smoking History and Clinical Features of Cluster Headache: Results from the Korean Cluster Headache Registry

Epidemiologic data suggest that cluster headache (CH) is significantly associated with cigarette smoking. The aim of this study was to determine differences in features between patients with a smoking history and those who are never-smokers, using data from a prospective multicenter registry. Data u...

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Bibliographic Details
Published in:	Journal of clinical neurology (Seoul, Korea) 2021, 17(2), , pp.229-235
Main Authors:	Chung, Pil Wook, Kim, Byung Su, Park, Jeong Wook, Sohn, Jong Hee, Lee, Mi Ji, Kim, Byung Kun, Chu, Min Kyung, Ahn, Jin Young, Choi, Yun Ju, Song, Tae Jin, Bae, Dae Woong, Kim, Daeyoung, Kim, Jae Moon, Kim, Soo Kyoung, Park, Kwang Yeol, Chung, Jae Myun, Moon, Heui Soo, Oh, Kyungmi, Chung, Chin Sang, Cho, Soo Jin
Format:	Article
Language:	eng
Subjects:	Original 신경과학
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Summary:	Epidemiologic data suggest that cluster headache (CH) is significantly associated with cigarette smoking. The aim of this study was to determine differences in features between patients with a smoking history and those who are never-smokers, using data from a prospective multicenter registry. Data used in this study were obtained from the Korean Cluster Headache Registry that collected data from consecutive patients diagnosed with CH. We compared clinical and demographic features between ever-smokers (current or former smokers) and never-smokers. This study enrolled 250 patients who were diagnosed with CH, of which 152 (60.8%) were ever-smokers and 98 (39.2%) were never-smokers. The age at CH onset was significantly lower in the never-smoker group than in the ever-smoker group [27.1±12.9 years vs. 30.6±10.9 years (mean±standard deviation), =0.024]. Seasonal rhythmicity (58.1% vs. 44.7%, =0.038) and triptan responsiveness (100% vs. 85.1%, =0.001) were higher in never-smokers, while other clinical features such as pain severity, duration, attack frequency, and associated autonomic symptoms did not differ significantly between the groups. The male-to-female ratio was markedly higher in ever-smokers (29.4:1) than in never-smokers (1.7:1). Most of the clinical features did not differ significantly between patients with a smoking history and never-smokers. However, the age at CH onset, sex ratio, and seasonal rhythmicity were significantly associated with smoking history.
ISSN:	1738-6586 2005-5013