Comprehensive Ultrasound Evaluation as a Predictor of Weaning

Status Completed

Clinical Trial Summary

Several studies investigated the role of specific clinical predictors of weaning success, but it is determined by a combination of different aspects that can result in success or failure. Indeed, unresolved lung disease, cardiac dysfunction, loss of respiratory and core muscle strength can play a role in a failure weaning to mechanical ventilation (MV). The investigators hypothesized that a combined score that include heart, lung, and respiratory muscle ultrasound (US) evaluation could be able to predict the ability of weaning success. Furthermore, it will be described weather the days of MV before weaning trial may affect the relevance of each clinical variable evaluated.

Clinical Trial Description

Critically ill patients undergone at least 48 hours of MV and ready to spontaneous breathing trial (SBT) will be included in the study. The spontaneous breathing trial is performed in pressure support ventilation with a clinician-set positive end expiratory pressure (PEEP) ≤ 5 cm H2O and FiO2< 40%. In addition to the parameters traditionally used for the evaluation of weaning (RSBI), the investigators will perform ultrasound evaluation of diaphragm, lung parenchyma, cardiac function, and the strength of the hand grip. Investigators will evaluate the diaphragmatic parameters (thickening fraction,TF, and diaphragmatic displacement, DD) and TFmax (TF during forced breathing /TF during tidal respiration) to identify the inspiratory reserve. Weaning success is considered as liberation from MV within 72 hours. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05539599
Study type	Observational
Source	Università degli Studi di Ferrara
Contact
Status	Completed
Phase
Start date	September 9, 2022
Completion date	May 8, 2024

View Details

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