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  • SAGE Publications  (4)
  • Lee, Kwang-Soo  (4)
  • 1
    Online Resource
    Online Resource
    Increased suicidality in patients with cluster headache
    SAGE Publications ; 2019
    In:  Cephalalgia Vol. 39, No. 10 ( 2019-09), p. 1249-1256
    Details
    In: Cephalalgia, SAGE Publications, Vol. 39, No. 10 ( 2019-09), p. 1249-1256
    Abstract: To investigate suicidality related to cluster headache and factors associated with increased suicidality in cluster headache patients. Methods In this multicenter study, 193 cluster headache patients were recruited between September 2016 and August 2018. Patients were asked about their suicidality during and between attacks, specifically about passive suicidal ideation, active suicidal ideation, suicide plan, and suicide attempt. Univariable and multivariable logistic regression analyses were performed to evaluate the factors associated with high ictal suicidality (sum of positive response ≥ 2). Patients were followed up when they were in the between-bouts period. Results A total of 175 cluster headache patients in the in-bout period were included in this study. Passive suicidal ideation, active suicidal ideation, suicidal planning, and suicidal attempt were reported by 111 (64.2%), 62 (35.8%), 10 (5.8%), and four (2.3%) patients during attacks; seven (4.0%), six (3.5%), five (2.9%) and two (1.2%) patients interictally; and none (0%), one (1.9%), one (1.9%), and none (0%) among patients in the between-bouts period. Factors associated with high ictal suicidality were longer disease duration, the Headache Impact Test score, and the Patient Health Question-9 score (multivariable OR = 1.90 per 10-year increase in disease duration, 95% CI = 1.18–3.05, p = 0.008; multivariable OR = 3.19 per 10-point increase in HIT-6, 95% CI = 1.73–5.87, p  〈  0.001; multivariable OR = 2.11 per 10-point increase in PHQ-9, 95% CI = 1.13–3.95, p = 0.020, respectively). Conclusions Cluster headache attack carries a high suicidality compared to the interictal or between-bouts state. An intensive treatment to reduce cluster headache burden may be helpful to alleviate suicide risk in cluster headache patients.
    Type of Medium: Online Resource
    ISSN: 0333-1024 , 1468-2982
    URL: Article
    DOI: 10.1177/0333102419845660
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2019
    detail.hit.zdb_id: 2019999-5
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  • 2
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    Field testing the diagnostic criteria of cluster headache in the third edition of the International Classification of Headache Disorders: A cross-sectional multicentre study
    SAGE Publications ; 2019
    In:  Cephalalgia Vol. 39, No. 7 ( 2019-06), p. 900-907
    Details
    In: Cephalalgia, SAGE Publications, Vol. 39, No. 7 ( 2019-06), p. 900-907
    Abstract: *These authors are shared first authors. The recently published third edition of the International Classification of Headache Disorders (ICHD-3) revised the criteria for accompanying symptoms of cluster headache (CH) and the remission period of chronic cluster headache (CCH). This study aimed at testing the validity of the ICHD-3 criteria for CH by using data from the Korean Cluster Headache Registry. Methods Consecutive patients with CH and probable cluster headache (PCH) were prospectively recruited from 15 hospitals. We analysed the validity of the revised ICHD-3 criteria for CH against the beta version of the third edition of the ICHD (ICHD-3β). Results In total, 193 patients were enrolled: 140 (72.5%), 5 (2.6%) and 22 (11.4%) had episodic cluster headache (ECH), CCH, and PCH, respectively. The remaining 26 (13.5%) had CH with undetermined remission periods. One patient with ECH and one with PCH had only forehead and facial flushing and were diagnosed with PCH and non-cluster headache, respectively, according to the ICHD-3. Four participants with ECH according to the ICHD-3β had remission periods of  〉  1 month and between 1 and 3 months and were newly diagnosed with CCH according to the ICHD-3. Conclusion The change from ICHD-3β to ICHD-3 resulted in few differences in the diagnoses of CH and PCH.
    Type of Medium: Online Resource
    ISSN: 0333-1024 , 1468-2982
    URL: Article
    DOI: 10.1177/0333102419837159
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2019
    detail.hit.zdb_id: 2019999-5
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  • 3
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    Online Resource
    Temporal changes of circadian rhythmicity in cluster headache
    SAGE Publications ; 2020
    In:  Cephalalgia Vol. 40, No. 3 ( 2020-03), p. 278-287
    Details
    In: Cephalalgia, SAGE Publications, Vol. 40, No. 3 ( 2020-03), p. 278-287
    Abstract: To investigate the temporal changes of circadian rhythmicity in relation to the disease course in patients with cluster headache. Methods In this multicenter study, patients with cluster headache were recruited between September 2016 and July 2018. We evaluated the patients for circadian rhythmicity and time of cluster headache attacks in the current bout and any experience of bout-to-bout change in circadian rhythmicity. We analyzed the patterns of circadian rhythmicity in relation to the disease progression (the number of total lifetime bouts, grouped into deciles). Results Of the 175 patients in their active, within-bout period, 86 (49.1%) had circadian rhythmicity in the current bout. The prevalence of circadian rhythmicity in the active period was overall similar regardless of disease progression. Sixty-three (46.3%) out of 136 patients with ≥2 bouts reported bout-to-bout changes in circadian rhythmicity. The most frequent time of cluster headache attacks was distributed evenly throughout the day earlier in the disease course and dichotomized into hypnic and midday as the number of lifetime bouts increased ( p = 0.037 for the homogeneity of variance). When grouped into nighttime and daytime, nighttime attacks were predominant early in the disease course, while daytime attacks increased with disease progression (up to 7th deciles of total lifetime bouts, p = 0.001) and decreased in patients with the most advanced disease course ( p = 0.013 for the non-linear association). Conclusions Circadian rhythmicity is not a fixed factor, and changes according to the disease course. Our findings will be valuable in providing a new insight into the stability of functional involvement of the suprachiasmatic nucleus in the pathophysiology of cluster headache.
    Type of Medium: Online Resource
    ISSN: 0333-1024 , 1468-2982
    URL: Article
    DOI: 10.1177/0333102419883372
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2020
    detail.hit.zdb_id: 2019999-5
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  • 4
    Online Resource
    Online Resource
    Treatment pattern and response for cluster headache in Korea: A prospective multicenter observation study
    SAGE Publications ; 2023
    In:  Cephalalgia Vol. 43, No. 4 ( 2023-04), p. 033310242311596-
    Details
    In: Cephalalgia, SAGE Publications, Vol. 43, No. 4 ( 2023-04), p. 033310242311596-
    Abstract: Only limited data are available regarding the treatment status and response to cluster headache in an Asian population. Therefore, this study aimed to provide a real-world treatment pattern of cluster headache and the response rate of each treatment in an Asian population. Methods Patients with cluster headache were recruited between September 2016 and January 2019 from 16 hospitals in Korea. At the baseline visit, we surveyed the patients about their previous experience of cluster headache treatment, and acute and/or preventive treatments were prescribed at the physician’s discretion. Treatment response was prospectively evaluated using a structured case-report form at 2 ± 2 weeks after baseline visit and reassessed after three months. Results Among 295 recruited patients, 262 experiencing active bouts were included. Only one-third of patients reported a previous experience of evidence-based treatment. At the baseline visit, oral triptans (73.4%), verapamil (68.3%), and systemic steroids (55.6%) were the three most common treatments prescribed by the investigators. Most treatments were given as combination. For acute treatment, oral triptans and oxygen were effective in 90.1% and 86.8% of the patients, respectively; for preventive treatment, evidence-based treatments, i.e. monotherapy or different combinations of verapamil, lithium, systemic steroids, and suboccipital steroid injection, helped 75.0% to 91.8% of patients. Conclusion Our data provide the first prospective analysis of treatment responses in an Asian population with cluster headache. The patients responded well to treatment despite the limited availability of treatment options, and this might be attributed at least in part by combination of medications. Most patients were previously undertreated, suggesting a need to raise awareness of cluster headache among primary physicians.
    Type of Medium: Online Resource
    ISSN: 0333-1024 , 1468-2982
    URL: Article
    DOI: 10.1177/03331024231159627
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2023
    detail.hit.zdb_id: 2019999-5
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