Araştırma Çıktıları

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Author: search.filters.author.Kosak, Seda

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    Reliability and Validity of Turkish Version of Headache Impact Test (HIT-6) in Patients with Migraine
    (TURKISH NEUROPSYCHIATRY ASSOC-TURK NOROPSIKIYATRI DERNEGI, 2021-01-01) Yalinay Dikmen, Pinar; Bozdag, Mumine; Gunes, Mumin; Kosak, Seda; Tasdelen, Bahar; Uluduz, Derya; Ozge, Aynur
    Introduction: The Headache Impact Test (HIT-6) is a self-report questionnaire designed to evaluate the impact of headache on quality of life. The aim of this study is to assess reliability and validity of Turkish version of HIT-6 questionnaire in patients with migraine. Methods: A total of 114 patients with migraine were included in this multicenter, prospective, descriptive study conducted at two consecutive visits 4 weeks apart. Comprehensibility, patient-physician reliability, internal consistency, test-retest reliability and validity of the translated HIT-6 were analyzed. Results: Patients identified that HIT-6 items were ``well-understood{''} in both visit 1 (ranged from 88.6\% to 95.7\%) and visit 2 (ranged from 93.0\% to 98.2\%). A highly positive correlation (R=0.876, p<0.001) was noted between visit 1 scores related to self-administered and physician-administered HIT-6 scores. Internal consistency analyzed via Cronbachs alpha values for visit 1 and visit 2 HIT-6 scores in all patients were 0.753 (acceptable) and 0.864 (excellent), respectively. HIT-6 scores of patients (64.13 (6.20) and 62.70 (7.04), at visits 1 and 2, respectively, p=0.07) showed a moderate test-retest reliability (R=0.437, p=0.0004). The HIT-6 score positively correlated with visit 1 and visit 2 headache severity-Likert scale (R=0.451 and 0.478, respectively, p<0.001) and VAS (R=0.365 and 0.531, respectively p<0.001) scores, and with visit 2 headache days for a month (R=0.215, p=0.022). Conclusion: These results demonstrated that the Turkish translation is equivalent to English version of HIT-6 in terms of internal consistency and it has moderate test-retest reliability and validity as correlated with headache severity, VAS and headache days for a month.
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    OnabotulinumtoxinA effectiveness on chronic migraine, negative emotional states and sleep quality: a single-center prospective cohort study
    (SPRINGEROPEN, 2017-01-01) Aydinlar, Elif Ilgaz; Dikmen, Pinar Yalinay; Kosak, Seda; Kocaman, Ayse Sagduyu
    Background: OnabotulinumtoxinA (OnabotA) is considered effective in in patients with chronic migraine (CM) who failed on traditional therapies. This study was designed to evaluate the effect of OnabotA injection series on migraine outcome, negative emotional states and sleep quality in patients with CM. Methods: A total of 190 patients with CM (mean (SD) age: 39.3 (10.2) years