Characteristics of the ureter contractions in children with chronic pyelonephritis


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Abstract

The article presents results of electrophysiological study of the function of the ureter in the frequency range of 0,6-35 Hz, conducted in 100 children aged 5 to 13 years with chronic pyelonephritis. Data of 35 healthy people were used as a control. It was shown that the features of ureter contractions were significantly different in the two groups. Marked decrease of amplitudes of signal harmonics was found at a frequency of 1.4 Hz in patients with pyelonephritis compared to controls. Myostimulation in pyelonephritis group has led to an approximation of harmonic amplitudes to the values of the control group.

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About the authors

V. I Goremykin

Saratov State Medical University n.a. V.I. Razumovsky of Minzdrav of Russia

Pediatric Department

D. A Usanov

Saratov State University n.a. N.G. Chernyshevskij

Department of Medical Physics, Faculty of Nano- and Biomedical Technologies

A. P Rytik

Saratov State University n.a. N.G. Chernyshevskij

Department of Medical Physics, Faculty of Nano- and Biomedical Technologies

E. E Prosova

Saratov State Medical University n.a. V.I. Razumovsky of Minzdrav of Russia

Email: mesherjkoval@mail.ru
Doctoral Student of Pediatric Department

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