Spectral analysis of heart rate variability in patients with irritable bowel syndrome.

Karling, Pontus (författare): Umeå universitet,Institutionen för folkhälsa och klinisk medicin

Nyhlin, H (författare)

Wiklund, U (författare)

Sjöberg, M (författare)

Olofsson, B O (författare)

Bjerle, P (författare)

(creator_code:org_t)

2009-07-08
1998
Engelska.
Ingår i: Scandinavian Journal of Gastroenterology. - : Informa UK Limited. - 0036-5521 .- 1502-7708. ; 33:6, s. 572-576

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Abstract Ämnesord

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BACKGROUND: Autonomic dysfunction, both adrenergic and cholinergic, has been associated with the irritable bowel syndrome (IBS). The accuracy of the methods in use, however, has been limited by the need for active co-operation by the patients, with consequent difficulties in standardization. The aim of this study was to investigate the function of the autonomic nervous system in patients with IBS by using spectral analysis of the heart rate variability, an accurate method depending very little on patient cooperation. METHODS: Eighteen patients with IBS were compared with 36 sex- and age-matched controls. Spectral analysis of heart rate variability was performed to quantify sympathetic and parasympathetic nerve activity. RESULTS: The patients with IBS had significantly higher sympathetic activity than controls (P = 0.005). There was no significant (P = 0.308) increase in parasympathetic activity. There were no significant differences in heart rate or blood pressure between the patients and controls. CONCLUSION: Spectral analysis of heart rate variability has been used to assess the function of the autonomic nervous system in patients with IBS. IBS patients have significantly increased symphathetic activity, whereas parasympathetic activity does not differ from that of controls.

Av författaren/redakt...: Karling, Pontus; Nyhlin, H; Wiklund, U; Sjöberg, M; Olofsson, B O; Bjerle, P

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