Characterization of autonomic dysfunction in patients with irritable bowel syndrome by means of heart rate variability studies
Adeyemi, Edward O. A., Desai, K.D., Towsey, Michael W., & Ghista, Dhanjoo N. (1999) Characterization of autonomic dysfunction in patients with irritable bowel syndrome by means of heart rate variability studies. American Journal of Gastroenterology, 94(3), pp. 816-823.
Objective: To characterize autonomic dysfunction in patients with irritable bowel syndrome (IBS) using heart rate variability (HRV) studies.
Methods: EKG signals were obtained from 35 patients and 18 healthy controls in supine, standing and deep breathing modes. HRV power spectra were analysed.
Results: In the supine position, the very low frequency (VLF) power spectral density (PSD) in IBS patients was significantly higher than in normals. On changing from supine to standing position, the normal controls had raised median PSD.
Conclusion: IBS patients have reduced sympathetic influence on the heart period in response to orthostatic stress and diminished parasympathetic modulation during deep breathing.
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|Item Type:||Journal Article|
|Additional Information:||Abstract only. For more information please contact the author: firstname.lastname@example.org|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600) > Signal Processing (090609)|
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CLINICAL SCIENCES (110300) > Gastroenterology and Hepatology (110307)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Copyright Owner:||Copyright 1999 Blackwell Publishing|
|Copyright Statement:||The definitive version is available at www.blackwell-synergy.com|
|Deposited On:||15 May 2007|
|Last Modified:||15 Jan 2009 17:32|
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