Electrical Impedance Tomography Predicts Weaning Success in Adult Patients With Delayed Upper Abdominal Surgery: A Single-Center Retrospective Study

Objective: To evaluate the predictive value of electrical impedance tomography (EIT) in patients with delayed ventilator withdrawal after upper abdominal surgery.Methods: We retrospectively analyzed data of patients who were ventilated >24 h after upper abdominal surgery between January 2018...

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Autores principales:	Jiajia Li, Fan Zeng, Fuxun Yang, Xiaoxiu Luo, Rongan Liu, Yinjie Ren, Yunping Lan, Yu Lei, Gaoping Zhao, Xiaobo Huang
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	success rate of weaning upper abdominal surgery electrical impedance tomography mechanical ventilation predict Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/6e5a3130c2f74ffc8c96150e775ae3c3
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spelling	oai:doaj.org-article:6e5a3130c2f74ffc8c96150e775ae3c32021-12-02T10:26:51ZElectrical Impedance Tomography Predicts Weaning Success in Adult Patients With Delayed Upper Abdominal Surgery: A Single-Center Retrospective Study2296-858X10.3389/fmed.2021.748493https://doaj.org/article/6e5a3130c2f74ffc8c96150e775ae3c32021-12-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fmed.2021.748493/fullhttps://doaj.org/toc/2296-858XObjective: To evaluate the predictive value of electrical impedance tomography (EIT) in patients with delayed ventilator withdrawal after upper abdominal surgery.Methods: We retrospectively analyzed data of patients who were ventilated >24 h after upper abdominal surgery between January 2018 and August 2019. The patients were divided into successful (group S) and failed (group F) weaning groups. EIT recordings were obtained at 0, 5, 15, and 30 min of spontaneous breathing trials (SBTs) with SBT at 0 min set as baseline. We assessed the change in delta end-expiratory lung impedance and tidal volume ratio (ΔEELI/VT) from baseline, the change in compliance change percentage variation (\|Δ(CW-CL)\|) from baseline, the standard deviation of regional ventilation delay index (RVDSD), and global inhomogeneity (GI) using generalized estimation equation analyses. Receiver operating characteristic curve analyses were performed to evaluate the predictive value of parameters indicating weaning success.Results: Among the 32 included patients, ventilation weaning was successful in 23 patients but failed in nine. Generalized estimation equation analysis showed that compared with group F, the ΔEELI/VT was lower, and the GI, RVDSD, and (\|Δ(CW-CL)\|) were higher in group S. For predicting withdrawal failure, the areas under the curve of the ΔEELI/VT, (\|Δ(CW-CL)\|), and the RVDSD were 0.819, 0.918, and 0.918, and 0.816, 0.884, and 0.918 at 15 and 30 min during the SBTs, respectively.Conclusion: The electrical impedance tomography may predict the success rate of ventilator weaning in patients with delayed ventilator withdrawal after upper abdominal surgery.Jiajia LiFan ZengFuxun YangXiaoxiu LuoRongan LiuYinjie RenYunping LanYu LeiGaoping ZhaoXiaobo HuangFrontiers Media S.A.articlesuccess rate of weaningupper abdominal surgeryelectrical impedance tomographymechanical ventilationpredictMedicine (General)R5-920ENFrontiers in Medicine, Vol 8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	success rate of weaning upper abdominal surgery electrical impedance tomography mechanical ventilation predict Medicine (General) R5-920
spellingShingle	success rate of weaning upper abdominal surgery electrical impedance tomography mechanical ventilation predict Medicine (General) R5-920 Jiajia Li Fan Zeng Fuxun Yang Xiaoxiu Luo Rongan Liu Yinjie Ren Yunping Lan Yu Lei Gaoping Zhao Xiaobo Huang Electrical Impedance Tomography Predicts Weaning Success in Adult Patients With Delayed Upper Abdominal Surgery: A Single-Center Retrospective Study
description	Objective: To evaluate the predictive value of electrical impedance tomography (EIT) in patients with delayed ventilator withdrawal after upper abdominal surgery.Methods: We retrospectively analyzed data of patients who were ventilated >24 h after upper abdominal surgery between January 2018 and August 2019. The patients were divided into successful (group S) and failed (group F) weaning groups. EIT recordings were obtained at 0, 5, 15, and 30 min of spontaneous breathing trials (SBTs) with SBT at 0 min set as baseline. We assessed the change in delta end-expiratory lung impedance and tidal volume ratio (ΔEELI/VT) from baseline, the change in compliance change percentage variation (\|Δ(CW-CL)\|) from baseline, the standard deviation of regional ventilation delay index (RVDSD), and global inhomogeneity (GI) using generalized estimation equation analyses. Receiver operating characteristic curve analyses were performed to evaluate the predictive value of parameters indicating weaning success.Results: Among the 32 included patients, ventilation weaning was successful in 23 patients but failed in nine. Generalized estimation equation analysis showed that compared with group F, the ΔEELI/VT was lower, and the GI, RVDSD, and (\|Δ(CW-CL)\|) were higher in group S. For predicting withdrawal failure, the areas under the curve of the ΔEELI/VT, (\|Δ(CW-CL)\|), and the RVDSD were 0.819, 0.918, and 0.918, and 0.816, 0.884, and 0.918 at 15 and 30 min during the SBTs, respectively.Conclusion: The electrical impedance tomography may predict the success rate of ventilator weaning in patients with delayed ventilator withdrawal after upper abdominal surgery.
format	article
author	Jiajia Li Fan Zeng Fuxun Yang Xiaoxiu Luo Rongan Liu Yinjie Ren Yunping Lan Yu Lei Gaoping Zhao Xiaobo Huang
author_facet	Jiajia Li Fan Zeng Fuxun Yang Xiaoxiu Luo Rongan Liu Yinjie Ren Yunping Lan Yu Lei Gaoping Zhao Xiaobo Huang
author_sort	Jiajia Li
title	Electrical Impedance Tomography Predicts Weaning Success in Adult Patients With Delayed Upper Abdominal Surgery: A Single-Center Retrospective Study
title_short	Electrical Impedance Tomography Predicts Weaning Success in Adult Patients With Delayed Upper Abdominal Surgery: A Single-Center Retrospective Study
title_full	Electrical Impedance Tomography Predicts Weaning Success in Adult Patients With Delayed Upper Abdominal Surgery: A Single-Center Retrospective Study
title_fullStr	Electrical Impedance Tomography Predicts Weaning Success in Adult Patients With Delayed Upper Abdominal Surgery: A Single-Center Retrospective Study
title_full_unstemmed	Electrical Impedance Tomography Predicts Weaning Success in Adult Patients With Delayed Upper Abdominal Surgery: A Single-Center Retrospective Study
title_sort	electrical impedance tomography predicts weaning success in adult patients with delayed upper abdominal surgery: a single-center retrospective study
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/6e5a3130c2f74ffc8c96150e775ae3c3
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Electrical Impedance Tomography Predicts Weaning Success in Adult Patients With Delayed Upper Abdominal Surgery: A Single-Center Retrospective Study

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