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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05990348
Other study ID # 4856
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date July 1, 2022
Est. completion date December 30, 2024

Study information

Verified date February 2024
Source Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Contact giorgia GS spinazzola, md
Phone 0630154507
Email giorgia.spinazzola@policlinicogemelli.it
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

the introduction of new MV modalities has shown promising results in reducing the incidence of weaning failure, mainly due to a more physiologic approach which allows respiratory muscle preservation. Among them, the Neurally Adjust Ventilatory Assist (NAVA) seemed to be associated with lower incidence of weaning failure and subsequent duration of mechanical ventilation, compared to standard modalities like the Pressure Support Ventilation (PSV) . Moreover, NAVA allows the evaluation of the diaphragm electrical activity (EAdi), an index of diaphragmatic neural respiratory drive. However, no study has compared TFic values during PSV and NAVA modalities in patients with difficult weaning from MV admitted in ICU.


Description:

Respiratory muscles dysfunction is one of the main causes leading to failure of weaning from mechanical ventilation (MV) in critically ill patients. Muscular activity is important during the inspiratory phase of ventilation, which is mainly due to diaphragm and external intercostal muscles. Diaphragm dysfunction is frequent among critically ill patients and ranges from 33 to 95% . Although several indexes have been investigated to help clinician in identifying its disturbance, their clinical value is controversial . External intercostal muscles dysfunction epidemiology is unknown because of lack of non-invasive tool to investigate such condition. However, the echography assessment of intercostal muscles thickening fraction (TFic) has shown promising results in this field as a non-invasive tool to assess inspiratory muscle function and predict weaning failure . On the other hand, the introduction of new MV modalities has shown promising results in reducing the incidence of weaning failure, mainly due to a more physiologic approach which allows respiratory muscle preservation. Among them, the Neurally Adjust Ventilatory Assist (NAVA) seemed to be associated with lower incidence of weaning failure and subsequent duration of mechanical ventilation, compared to standard modalities like the Pressure Support Ventilation (PSV) [. Moreover, NAVA allows the evaluation of the diaphragm electrical activity (EAdi), an index of diaphragmatic neural respiratory drive . A recent study suggests that EAdi and derived parameters, may be helpful to predict weaning failure in chronic obstructive pulmonary disease (COPD) patients . However, no study has compared TFic values during PSV and NAVA modalities in patients with difficult weaning from MV admitted in ICU. the aim of this study will be the comparison of TFic values during PSV and NAVA modalities in patients with difficult weaning from MV admitted in ICU and the assessment of the inspiratory effort parameters and the occurrence of respiratory asynchrony in patients with difficult weaning from MV admitted in ICU.


Recruitment information / eligibility

Status Recruiting
Enrollment 20
Est. completion date December 30, 2024
Est. primary completion date June 26, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - patients who have failed at least one weaning attempt - mechanical ventilation for at least 24 hours Exclusion Criteria: - Pregnancy - Obesity (Body Mass Index > 35 kg/m2) - Contraindication to the insert of a nasogastric tube - Neuromuscular diseases

Study Design


Intervention

Other:
difficult weaning patients
intercostal thickening fraction values during PSV and NAVA modalities in patients with difficult weaning from MV admitted in ICU.

Locations

Country Name City State
Italy Giorgia Spinazzola Rome

Sponsors (1)

Lead Sponsor Collaborator
Fondazione Policlinico Universitario Agostino Gemelli IRCCS

Country where clinical trial is conducted

Italy, 

References & Publications (4)

Abdelwahed WM, Abd Elghafar MS, Amr YM, Alsherif SEI, Eltomey MA. Prospective study: Diaphragmatic thickness as a predictor index for weaning from mechanical ventilation. J Crit Care. 2019 Aug;52:10-15. doi: 10.1016/j.jcrc.2019.03.006. Epub 2019 Mar 15. N — View Citation

Goligher EC, Dres M, Patel BK, Sahetya SK, Beitler JR, Telias I, Yoshida T, Vaporidi K, Grieco DL, Schepens T, Grasselli G, Spadaro S, Dianti J, Amato M, Bellani G, Demoule A, Fan E, Ferguson ND, Georgopoulos D, Guerin C, Khemani RG, Laghi F, Mercat A, Mo — View Citation

Schmidt M, Kindler F, Cecchini J, Poitou T, Morawiec E, Persichini R, Similowski T, Demoule A. Neurally adjusted ventilatory assist and proportional assist ventilation both improve patient-ventilator interaction. Crit Care. 2015 Feb 25;19(1):56. doi: 10.1 — View Citation

Spadaro S, Grasso S, Mauri T, Dalla Corte F, Alvisi V, Ragazzi R, Cricca V, Biondi G, Di Mussi R, Marangoni E, Volta CA. Can diaphragmatic ultrasonography performed during the T-tube trial predict weaning failure? The role of diaphragmatic rapid shallow b — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary intercostal thickening fraction intercostal thickening fraction values during PSV and NAVA From date of enrollment until the date of extubation (up to seven days)
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