Electromyography in assessing the functional results of combination treatment for rectal cancer

Kulikov E.P.; Sudakov A.I.; Kaminsky Yu.D.; Sudakov I.B.; Mertsalov S.A.; Zorin R.A.

doi:https://doi.org/10.17116/onkolog20221105119

Kulikov E.P.

Acad. I.P. Pavlov Ryazan State Medical University of the Ministry of Health of Russia

Sudakov A.I.

Acad. I.P. Pavlov Ryazan State Medical University of the Ministry of Health of Russia

Kaminsky Yu.D.

Acad. I.P. Pavlov Ryazan State Medical University of the Ministry of Health of Russia

Sudakov I.B.

Acad. I.P. Pavlov Ryazan State Medical University of the Ministry of Health of Russia

Mertsalov S.A.

Acad. I.P. Pavlov Ryazan State Medical University of the Ministry of Health of Russia

Zorin R.A.

Acad. I.P. Pavlov Ryazan State Medical University of the Ministry of Health of Russia

Electromyography in assessing the functional results of combination treatment for rectal cancer

Authors:

Kulikov E.P., Sudakov A.I., Kaminsky Yu.D., Sudakov I.B., Mertsalov S.A., Zorin R.A.

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Journal: P.A. Herzen Journal of Oncology. 2022;11(5): 19‑24

DOI: 10.17116/onkolog20221105119

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To cite this article:

Kulikov EP, Sudakov AI, Kaminsky YuD, Sudakov IB, Mertsalov SA, Zorin RA. Electromyography in assessing the functional results of combination treatment for rectal cancer. P.A. Herzen Journal of Oncology. 2022;11(5):19‑24. (In Russ.)
https://doi.org/10.17116/onkolog20221105119

Подписка 2026 Онкология. Журнал им. П.А. Герцена (P.A. Herzen Journal of Oncology)

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OBJECTIVE

To study the functional changes detected by surface electromyography, as well as quality of life in patients treated with sphincter-sparing combination treatment for rectal cancer.

Subjects and methods. The study was performed by surface interference electromyography: all parameters after the start of chemoradiation and surgical treatment were compared with the initial data before the intervention. Based on the results of treatment in 46 patients, the investigators carried out a correlation analysis of their quality of life, which was assessed using the EORTC QLQ C30 (version 3.0) questionnaires with the CR29 colorectal cancer module and compared with the degree of the detected changes. They also defined the impact of the height of the tumor location from the anorectal line on the functional results of treatment.

RESULTS

Electromyographic findings could identify 2 patient groups: 1) with minor deviations (less than 20%) from the initial indicators and 2) with pronounced (more than 20%) functional changes. The assessment of quality of life questionnaires showed that having more than 20% changes in electromyographic parameters, the patients noted worse quality of life indicators on a number of functional and symptom scales. At the same time, a pattern was also obtained for the degree of detected alterations in relation to the tumor height from the anorectal line. The patients with a low rectal tumor location had more pronounced changes in the functioning of the anal sphincter complex, as well as prognostically unfavorable functional results of treatment.

CONCLUSION

In rectal cancer, the electromyography procedure can assess and predict the magnitude of undesirable changes in the anal sphincter complex in patients receiving combination treatment.

Keywords:

rectal cancer

electromyography

functional results of treatment

muscles of the anal sphincter complex

quality of life

Authors:

Kulikov E.P.

Acad. I.P. Pavlov Ryazan State Medical University of the Ministry of Health of Russia

Sudakov A.I.

Acad. I.P. Pavlov Ryazan State Medical University of the Ministry of Health of Russia

Kaminsky Yu.D.

Acad. I.P. Pavlov Ryazan State Medical University of the Ministry of Health of Russia

Sudakov I.B.

Acad. I.P. Pavlov Ryazan State Medical University of the Ministry of Health of Russia

Mertsalov S.A.

Acad. I.P. Pavlov Ryazan State Medical University of the Ministry of Health of Russia

Zorin R.A.

Acad. I.P. Pavlov Ryazan State Medical University of the Ministry of Health of Russia

Received:

15.04.2022

Accepted:

30.05.2022

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