D Zyśko1, M Szewczuk-Bogusławska2, M Kaczmarek3, A K Agrawal4, J Rudnicki5, J Gajek6, O Melander7, R Sutton8, A Fedorowski9. 1. Department of Emergency Medicine, Wroclaw Medical University, Wroclaw 51-618, Poland dzysko@wp.pl. 2. Department of Psychiatry, Wroclaw Medical University, Wroclaw 50-367, Poland. 3. Center of Neuropsychiatry 'Neuromed', Białowieska 74A, Wroclaw 54-235, Poland. 4. 2nd Department of General and Oncological Surgery, Wroclaw Medical University, Wroclaw 50-556, Poland. 5. Department of Minimally Invasive Surgery and Proctology, Wroclaw Medical University, Wroclaw 50-556, Poland. 6. Department of Cardiology, Wroclaw Medical University, Wroclaw 50-556, Poland. 7. Department of Clinical Sciences, Lund University, Clinical Research Center, Skåne University Hospital, Malmö 205-02, Sweden. 8. National Heart and Lung Institute, Imperial College, St Mary's Hospital Campus, 59-61 North Wharf Road, London W2 1LA, UK. 9. Department of Clinical Sciences, Lund University, Clinical Research Center, Skåne University Hospital, Malmö 205-02, Sweden Arrhythmia Department, Skåne University Hospital, Malmö 205-02, Sweden.
Abstract
AIMS: Anxiety is an emotion, which stimulates sympathetic nervous outflow potentially facilitating vasovagal reflex syncope (VVS) but reports on anxiety levels in patients with VVS are sparse. METHODS AND RESULTS: We studied anxiety levels in young women (21-40 years) referred for unexplained transient loss of consciousness (TLOC), and age-matched female controls with or without past history of TLOC (≈probable VVS). Referred patients underwent head-up tilt (HUT) according to current ESC Guidelines. State and Trait Anxiety Inventory questionnaire evaluated anxiety levels plus a questionnaire explored risk factors for cardiovascular disease (CVD). Sixty-five of 91 women were diagnosed with VVS on HUT. Among 549 controls, 223 (40.6%) reported at least one episode of TLOC. State-anxiety level in patients with VVS undergoing HUT (42.4 ± 9.3) was higher compared with both controls with (38.3 ± 10.2; P < 0.01) and without past TLOC history (35.9 ± 9.8; P < 0.001). Trait anxiety in patients with VVS (42.7 ± 8.4), and controls with TLOC history (42.4 ± 8.4) was higher compared with controls without TLOC history (39.7 ± 8.5; P < 0.01). In the logistic regression using controls without TLOC as reference, both VVS diagnosis and past history of TLOC were associated with family history of CVD [odds ratio (OR) 2.4, 95% confidence interval (CI), 1.3-4.4; P = 0.007, and 2.3, 1.4-3.6; P = 0.001, respectively], and this association was independent of anxiety level. CONCLUSIONS: Trait anxiety and family history of CVD are increased in both young women with VVS and controls with history of TLOC. However, the height of anxiety level does not explain CVD heredity and other mechanisms may link syncope with CVD. Published on behalf of the European Society of Cardiology. All rights reserved.
AIMS: Anxiety is an emotion, which stimulates sympathetic nervous outflow potentially facilitating vasovagal reflex syncope (VVS) but reports on anxiety levels in patients with VVS are sparse. METHODS AND RESULTS: We studied anxiety levels in young women (21-40 years) referred for unexplained transient loss of consciousness (TLOC), and age-matched female controls with or without past history of TLOC (≈probable VVS). Referred patients underwent head-up tilt (HUT) according to current ESC Guidelines. State and Trait Anxiety Inventory questionnaire evaluated anxiety levels plus a questionnaire explored risk factors for cardiovascular disease (CVD). Sixty-five of 91 women were diagnosed with VVS on HUT. Among 549 controls, 223 (40.6%) reported at least one episode of TLOC. State-anxiety level in patients with VVS undergoing HUT (42.4 ± 9.3) was higher compared with both controls with (38.3 ± 10.2; P < 0.01) and without past TLOC history (35.9 ± 9.8; P < 0.001). Trait anxiety in patients with VVS (42.7 ± 8.4), and controls with TLOC history (42.4 ± 8.4) was higher compared with controls without TLOC history (39.7 ± 8.5; P < 0.01). In the logistic regression using controls without TLOC as reference, both VVS diagnosis and past history of TLOC were associated with family history of CVD [odds ratio (OR) 2.4, 95% confidence interval (CI), 1.3-4.4; P = 0.007, and 2.3, 1.4-3.6; P = 0.001, respectively], and this association was independent of anxiety level. CONCLUSIONS: Trait anxiety and family history of CVD are increased in both young women with VVS and controls with history of TLOC. However, the height of anxiety level does not explain CVD heredity and other mechanisms may link syncope with CVD. Published on behalf of the European Society of Cardiology. All rights reserved.
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