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Diaphragm Disease clinical trials

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NCT ID: NCT04098939 Recruiting - Diaphragm Disease Clinical Trials

Evaluation of Diaphragm Movement

Start date: May 1, 2020
Phase:
Study type: Observational

Precise measurement of diaphragm function is difficult. Several methods exist. No are sufficiently validated. With this study, the investigators wish to investigate the validity of different ultrasound and radiological methods and compare them with inspiratory pressure measurements.

NCT ID: NCT03704129 Completed - Clinical trials for Educational Problems

Educational Programme in Diaphragm Ultrasonographic Assessment

Start date: December 1, 2018
Phase: N/A
Study type: Interventional

Diaphragm ultrasound non-invasively explores the diaphragm function and it can be useful in several clinical situations. Diaphragm ultrasound is able to evaluate the cranio-caudal displacement of the diaphragm and its thickening fraction at the end of inspiration, in relation to the end-expiratory value. While several studies have been conducted in the evaluation of educational programmes for echocardiography, to date data lack regarding this aspect in diaphragm ultrasonographic assessment. Based on the experience gained in some specialization schools in Anaesthesia and Intensive Care, the investigators hypothesize that the participation in a two-hour course, including a theoretical part and a practical training, allows to acquire the appropriate theoretical and practical skills necessary to correctly perform the measurement of the diaphragm excursion and thickening fraction, compared to the theoretical lesson only, followed by a brief explanation by an expert tutor, on the practical use of the ultrasound. The investigators hypothesized that the association of the theoretical part and of the practical training is able to obtain: 1. Passing the theoretical test with at least 70% of the correct answers; 2. The correct identification of the areas where the probe is affixed; 3. The appropriate measure of Diaphragmatic thickening and displacement.

NCT ID: NCT03539640 Completed - Diaphragm Disease Clinical Trials

Effect PEEP on Diaphragm

Start date: April 13, 2018
Phase: N/A
Study type: Interventional

This study evaluates the effect of positive end-expiratory pressure on the position, length and function of the diaphragm. During the first part of the study, physiological measurements of the diaphragm will be performed while participants receive non-invasive ventilation at different PEEP levels. During the second part of the study, MRI measurements of the diaphragm will be performed during a change in PEEP level.

NCT ID: NCT03266016 Active, not recruiting - Clinical trials for Ventilation Therapy; Complications

Real-time Effort Driven VENTilator Management

REDvent
Start date: October 21, 2017
Phase: N/A
Study type: Interventional

This study is a Phase II controlled clinical trial that will obtain comprehensive, serial assessments of respiratory muscle strength and architecture to understand the evolution of ventilator-induced respiratory muscle weakness in critically ill children, and test whether a novel computer-based approach (Real-time Effort Driven ventilator management (REDvent)) can preserve respiratory muscle strength and reduce time on MV. REDvent offers systematic recommendations to reduce controlled ventilation during the acute phase of MV, and uses real-time measures from esophageal manometry to adjust supported ventilator pressures such that patient effort of breathing remains in a normal range during the ventilator weaning phase. This phase II clinical trial is expected to enroll 276 children with pulmonary parenchymal disease, anticipated to be ventilated > 48 hrs. Patients will be randomized to REDvent-acute vs. usual care for the acute phase of MV (interval from intubation to first spontaneous breathing trial (SBT)). Patients in either group who fail their first Spontaneous Breathing Trial (SBT), will also be randomized to REDvent-weaning vs. usual care for the weaning phase of MV (interval from first SBT to passing SBT). The primary clinical outcome is length of weaning (time from first SBT until successful passage of an SBT or extubation (whichever comes first)). Mechanistic outcomes surround multi-modal serial measures of respiratory muscle capacity (PiMax), load (resistance, compliance), effort (esophageal manometry), and architecture (ultrasound) throughout the course of MV. Upon completion, this study will provide important information on the pathogenesis and timing of respiratory muscle weakness during MV in children and whether this weakness can be mitigated by promoting more normal patient effort during MV via the use of REDvent. This will form the basis for a larger, Phase III multi-center study, powered for key clinical outcomes such as 28-day Ventilator Free Days.

NCT ID: NCT03126838 Recruiting - Diaphragm Disease Clinical Trials

Diaphragmatic Dysfunction and Cardiac Surgery; Perioperative Assessment and Effect on Outcome

Start date: March 1, 2017
Phase: N/A
Study type: Observational

This study evaluates incidence of diaphragmatic dysfunction after cardiac surgery and its effect on outcome of surgery.