Ultrasound Assessment of Diaphragmatic Dysfunction in Regional Anesthesia

Status Completed

Clinical Trial Summary

Clinical Trial Description

Awake thoracic surgery is a feasible and safe alternative to general anesthesia for pulmonary biopsy in interstitial lung disease patients, but there is still no evidence as to its superiority in terms of outcome. However, there is extensive literature about the effect of anesthetic drugs and surgery on diaphragmatic function. Furthermore, in thoracic surgery, diaphragmatic dysfunction was associated with a higher occurrence of postoperative pulmonary complications. To assess the impact of general anesthesia on diaphragmatic function, the investigators conducted an observational prospective trial. The investigators measured both diaphragmatic excursion and Thickening Fraction at baseline and 12 hours after surgery together with pulmonary function tests and gas exchange data. The investigators divided our population into two groups: one group of patients undergoing awake thoracic surgery with epidural anesthesia, and the other group undergoing general anesthesia. Forty-one patients were recruited and the Thickening Fraction percentage, calculated as (End Inspiratory thickness-End Expiratory thickness)/End Expiratory thickness, was evaluated by means of an ultrasound-assisted method, using a high frequency (10 MHz) linear probe. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04700943
Study type	Observational
Source	University of Turin, Italy
Contact
Status	Completed
Phase
Start date	February 1, 2019
Completion date	January 1, 2021

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.