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Cardiac and autonomic function in patients with Crohn's disease during remission

Lookup NU author(s): Emerita Professor Julia Newton


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© 2018 Medical University of Bialystok Purpose: The aim of the study was to assess cardiac and autonomic function in patients with Crohn's disease and explore their relation to disease duration using cardiovascular reflex tests. Materials and methods: Cardiovascular parameters, baroreflex sensitivity, spectral-indices of short-term heart rate variability and blood pressure variability were compared between patients with Crohn's disease in remission (n = 30) and a control group (n = 29). Cardiac autonomic function was assessed during response to standing (tilt) and deep breathing test (expiration/inspiration ratio-E/I). Aortic pulse wave velocity, aortic augmentation index and central systolic blood pressure were measured oscillometrically. Results: At rest, Crohn's disease patients had significantly higher systolic (p = 0.03) and diastolic (p = 0.03) blood pressure, total peripheral resistance index (p = 0.003), sympathetic-parasympathetic ratio (p = 0.033) and lower baroreceptor effectiveness (p = 0.047), myocardial variables (stroke index; p = 0.03, cardiac index; p = 0.025, Heather index; p = 0.039, left ventricular ejection time; p = 0.038), as compared to controls. Orthostatic response to the tilt test in the Crohn's disease group and the control group was similar, no intergroup differences were observed for E/I ratio and autonomic parameters. In Crohn's disease patients, disease duration was negatively associated with baroreflex sensitivity and positively correlated with normalised high frequency heart rate variability, sympathetic-parasympathetic ratio at rest and post-tilt changes in Δsystolic blood pressure, p < 0.05. The control group had significantly lower central systolic blood pressure (p = 0.043) compared to Crohn's disease patients. Conclusions: Crohn's disease patients in remission have preserved cardiac and autonomic function in response to cardiovascular reflex tests with a shift in cardiovascular autonomic regulation towards sympathetic predominate in the rest position.

Publication metadata

Author(s): Zawadka-Kunikowska M, Slomko J, Klopocka M, Liebert A, Tafil-Klawe M, Klawe JJ, Newton JL, Zalewski P

Publication type: Article

Publication status: Published

Journal: Advances in Medical Sciences

Year: 2018

Volume: 63

Issue: 2

Pages: 334-340

Print publication date: 01/09/2018

Online publication date: 24/07/2018

Acceptance date: 26/04/2018

ISSN (print): 1896-1126

ISSN (electronic): 1898-4002

Publisher: Medical University of Bialystok


DOI: 10.1016/j.advms.2018.04.009


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