The use of low-frequency ultrasound in the treatment of patients with infected pancreatic necrosis

Zainutdinov A.M.

Kazan State Medical Academy — RMANPO DPO FGBOU

ORCID: 0000-0003-2090-4034

Malkov I.S.

Kazan State Medical Academy — RMANPO DPO FGBOU;
City Hospital No. 7 state independent educational institution

ORCID: 0000-0003-2350-5178

Berdnikov A.V.

Kazan National Research Technical University named after A.N. Tupolev

ORCID: 0000-0001-6252-6356

The use of low-frequency ultrasound in the treatment of patients with infected pancreatic necrosis

Authors:

Zainutdinov A.M., Malkov I.S., Berdnikov A.V.

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Journal: Pirogov Russian Journal of Surgery. 2025;(2): 86‑93

DOI: 10.17116/hirurgia202502186

Downloaded: 7

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To cite this article:

Zainutdinov AM, Malkov IS, Berdnikov AV. The use of low-frequency ultrasound in the treatment of patients with infected pancreatic necrosis. Pirogov Russian Journal of Surgery. 2025;(2):86‑93. (In Russ.)
https://doi.org/10.17116/hirurgia202502186

Подписка 2025-2 (Pirogov Russian Journal of Surgery)

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OBJECTIVE

To improve the treatment of patients with infected pancreatic necrosis by using non-contact ultrasound treatment of purulent-necrotic foci (NUST).

MATERIAL AND METHODS

We analyzed the results of treatment of 39 patients with infected pancreatic necrosis, admitted to the surgical department No. 2 of the City Clinical Hospital No. 7 in Kazan from 2017 to 2021. The central method of their surgical treatment was open draining operations combined with sequestrectomy. The study group consisted of 20 patients (4 women, 16 men) aged from 39 to 60 years (mean age — 49±9.5 years). In this group, the effectiveness of non-contact ultrasound treatment of purulent-necrotic foci using the SONOCA-185 apparatus was studied.

RESULTS

The application of ultrasound treatment of purulent foci of infected pancreatic necrosis in the study group allowed to increase their drainage effectiveness, which was reflected in the dynamics of reparative-proliferative process and relief of systemic inflammatory reaction. Wound healing occurred on the 7—9 day (on average, on the 7.6±2^th day) without resuturing.

The pronounced bactericidal effect of low-frequency ultrasound and its phonophoretic effect are confirmed by the reduction of microbial content of wounds and cavities from 105 CFU and 104 CFU to 102 CFU after 3 sessions.

The sparing ultrasound sequestrectomy allows to remove only devitalized tissues, without causing destructions of the ductal system, vascular wall and hollow organs.

Ultrasound treatment of cavities in the study group resulted in a pronounced increase in transparency indicators and its approximation to reference solution, decreased peripheral blood leukocytosis, temperature reaction in patients on the 3^rd, 7^th, 12^th days compared to the control group, where the temperature response is maintained at this time, and reduction in hospitalization duration on the 2.6±1 day in the study group of patients.

Keywords:

infected pancreatic necrosis

ultrasound

purulent necrotic masses

difference of transparency coefficients

Authors:

Zainutdinov A.M.

Kazan State Medical Academy — RMANPO DPO FGBOU

ORCID: 0000-0003-2090-4034

Malkov I.S.

Kazan State Medical Academy — RMANPO DPO FGBOU;
City Hospital No. 7 state independent educational institution

ORCID: 0000-0003-2350-5178

Berdnikov A.V.

Kazan National Research Technical University named after A.N. Tupolev

ORCID: 0000-0001-6252-6356

Received:

25.02.2024

Accepted:

23.08.2024

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