The ultrasound estimation of extravascular lung water in volume controlled versus pressure controlled ventilation after one lung ventilation in Thoracoscopic surgery. A-comparative study

Thoracoscopic surgeries are an absolute indication of one lung ventilation OLV, the choice of using volume-controlled ventilation (VCV) or pressure controlled ventilation (PCV) remains controversial. Respiratory complications are major cause of postoperative morbidity which is associated with increa...

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Bibliographic Details
Published in:Egyptian journal of anaesthesia 2022-12, Vol.38 (1), p.261-267
Main Authors: Ibrahim, Ahmed Mohamed Ahmed, Hosny, Hisham, El-Agaty, Ahmed, Hamza, Mohamed Khaled
Format: Article
Language:English
Subjects:
extravascular lung water
lung ultrasound
one lung ventilation
pressure controlled ventilation
Thoracoscopic surgeries
volume controlled ventilation
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Summary:Thoracoscopic surgeries are an absolute indication of one lung ventilation OLV, the choice of using volume-controlled ventilation (VCV) or pressure controlled ventilation (PCV) remains controversial. Respiratory complications are major cause of postoperative morbidity which is associated with increased extravascular lung water (EVLW). Assessment of (EVLW) helps in early detection and treatment of respiratory complications. Lung ultrasound (LUS) has been suggested as reliable method of assessment of EVLW. This study was designed to figure out whether there was any difference in OLV by either PCV or VCV on EVLW water in the ventilated lung using LUS score and arterial oxygenation. 50 patients were randomly assigned into two groups; Group V: received VCV (Vt 7 ml/kg ideal body weight) Group P: received PCV (To achieve Vt 7 ml/kg ideal body weight, Pmax 30 cmh 2 o) We found that both techniques PCV and VCV showed no statistically significant differences as regards the ultrasound score at different timings of measurement; (T0) before induction of anesthesia, (T5) immediately at the end of operation after extubation, and (T6) 2 hours after ICU admission. Where P values were 0.525, 0.309, and 0.597 consecutively, we also found there were no statistically significant differences between the two groups regarding hemodynamics, arterial blood gases, ventilatory parameters. We concluded that when utilizing VCV & PCV in OLV in thoracospic surgeries there was no statistically significant difference regarding EVLW score measured by LUS in the ventilated lung.
ISSN:1110-1849
1687-1804
1110-1849
DOI:10.1080/11101849.2022.2074649