Value of Combination of Heart, Lung, and Diaphragm Ultrasound in Predicting Weaning Outcome of Mechanical Ventilation.

Abstract:

:BACKGROUND Postextubation distress is detrimental to the prognosis of critically ill patients with successful spontaneous breathing trial. The known risk factors of failed weaning are associated with the heart, lungs, and diaphragm. The aim of this study was to explore the role of a combined model including indicators of heart, lung, and diaphragm ultrasound in predicting the weaning outcome. MATERIAL AND METHODS Patients' clinical data and ultrasonic features of heart, lungs, and diaphragm were recorded. Patients were included in either the failed weaning group (n=24) or the successful weaning group (n=81). The association of potential variables with the risk of weaning failure was determined using multivariate logistic regression analysis. The accuracy of potential indicators for predicting the weaning outcome were evaluated and a multiindicator combined model was established to improve the predictive accuracy. RESULTS Brain natriuretic peptide (odds ratio [OR]=1.120, P=0.004), left-atrial pressure (LAP) (OR=1.333, P=0.005), lung ultrasound score (LUS) (OR=1.736, P=0.001), and hemidiaphragm dysfunction (OR=3.942, P=0.014) were associated with an increased risk of weaning failure. However, all of these indicators could not accurately predict the weaning outcome independently (all areas under the curve [AUCs] <0.9). The combination of LAP, LUS, and hemidiaphragm dysfunction showed the highest AUC (AUC=0.919). CONCLUSIONS The combined model including LAP, LUS, and hemidiaphragm dysfunction were the most accurate method for the prediction.

journal_name

Med Sci Monit

authors

Xu X,Wu R,Zhang YJ,Li HW,He XH,Wang SM

doi

10.12659/MSM.924885

subject

Has Abstract

pub_date

2020-08-08 00:00:00

pages

e924885

eissn

1234-1010

issn

1643-3750

pii

924885

journal_volume

26

pub_type

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