Determination of pressure in a non-ventilated lung using high-flow oxygen insufflation during one-lung ventilation in videothoracoscopic surgery
https://doi.org/10.24884/2078-5658-2025-22-3-16-21
Abstract
The objective was to determine the pressure in the non-ventilated lung using different flows of high flow oxygen insufflation (HFOI) during one-lung ventilation.
Materials and methods. The study included 20 patients who underwent videothoracoscopic lobectomy for malignant tumors of the peripheral bronchus. After induction of anesthesia, direct sequential laryngoscopy and tracheal intubation were performed: 1) installation of a double-lumen tube (DLT); 2) verification of the correctness of the installation using a video bronchoscope. All patients were given HFOI to the non-ventilated lung via the DLT circuit. The study was divided into seven stages, at each of which HFOI was performed for 10 minutes and the pressure in the non-ventilated lung was recorded: stage I – 80 l/min, stage II – 70 l/min, stage III – 60 l/min, stage IV – 50 l/min, stage V – 40 l/min, stage VI – 30 l/min, stage VII – 20 l/min.
Results. At stage I of the study with HFOI of 80 l/min, the pressure in the non-ventilated lung was 2 ± 0 cm Н2О, at stages II – VI (HFOI in the range from 70 to 30 l/min) – 1.0 ± 0 centimeter of water column and at stage VII (HFOI 20 l/min) – 0 ± 0 cm Н2О.
Conclusion. The pressure in the non-ventilated lung when using high-flow oxygen insufflation under one-lung ventilation at a flow rate of 80 l/min is 2 cm Н2О, from 30 to 70 l/min – 1 cm Н2О, 20 l/min – 0 cm Н2О.
About the Authors
E. N. Ershov
S. M. Kirov Military Medical Academy
Russian Federation
Russian Federation
Ershov Evgeniy N. - Cand. of Sci. (Med.), Teacher of Military Anesthesiology and Intensive Care Department
6, Academician Lebedev str., Saint Petersburg, 194044
A. G. Farshatov
S. M. Kirov Military Medical Academy; City Clinical Oncology Dispensary
Russian Federation
Russian Federation
Farshatov Albert G. - Postgraduate Student of Military Anesthesiology and Intensive Care Department; Doctor of Anesthesiology and Intensive Care Department
6, Academician Lebedev str., Saint Petersburg, 194044
56, Veteranov str., Saint Petersburg, 198255
D. A. Pachkov
S. M. Kirov Military Medical Academy
Russian Federation
Russian Federation
Pachkov Dmitry A. - Head of Military Anesthesiology and Intensive Care Department
6, Academician Lebedev str., Saint Petersburg, 194044
A. B. Timofeev
S. M. Kirov Military Medical Academy
Russian Federation
Russian Federation
Timofeev Aleksey B. - Cand. of Sci. (Med.), Senior Lecturer of Military Anesthesiology and Intensive Care Department
6, Academician Lebedev str., Saint Petersburg, 194044
A. E. Tsygankov
442 Military Clinical Hospital
Russian Federation
Russian Federation
Tsygankov Alexander Е. - Head of the Group of Anesthesiology and Intensive Care (mobile) of the Medical Detachment (special purpose)
63a, Suvorovsky str., Saint Petersburg, 191124
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Review
For citations:
Ershov E.N., Farshatov A.G., Pachkov D.A., Timofeev A.B., Tsygankov A.E. Determination of pressure in a non-ventilated lung using high-flow oxygen insufflation during one-lung ventilation in videothoracoscopic surgery. Messenger of ANESTHESIOLOGY AND RESUSCITATION. 2025;22(3):16-21. (In Russ.) https://doi.org/10.24884/2078-5658-2025-22-3-16-21
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