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Double Lumen Tube clinical trials

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NCT ID: NCT05133401 Completed - Ultrasonography Clinical Trials

Can Imaging Techniques Contribute to the Proper Insertion of Double-lumen Tubes?

Start date: June 1, 2021
Phase:
Study type: Observational

In thoracic surgery, one-lung ventilation using a double-lumen tube (DLT) is often performed to protect dependent lung and provide comfortable surgical conditions. However, serious complications and adverse events can be encountered during DLT placement. One of the most important steps to avoid these drawbacks is to choose the appropriate size of DLT. The width of the trachea can be measured by using different imaging methods such as computed tomography (CT) and ultrasonography (US) to predict the appropriate DLT size. CT can also contribute to the proper placement of DLT by giving us the length of the trachea and main bronchi. In this study, we hypothesized that the size of the DLT can be determined more accurately by measuring the trachea diameter by using US and CT before DLT intubation. At the same time, we aimed to determine whether the evaluation of tracheobronchial anatomy with CT would contribute to the placement of DLT at a more appropriate level.

NCT ID: NCT04962581 Completed - Thoracic Surgery Clinical Trials

A Prospective Descriptive Study of the Individualized Capnography of Both Lungs During One-lung Ventilation With Double-lumen Tube

EtCO2-DLT
Start date: July 4, 2021
Phase:
Study type: Observational

A prospective descriptive study of the use of an individualized capnography to each lung in the context of one-lung ventilation achieved with a double-lumen tube. - Pilot project and proof of concept Brief Summary: - One study suggests a way to predict possible events of hypoxemia (Sat O2 < 90%) during one lung ventilation (OLV) with the use of two individualized capnography devices on each lung during two-lung ventilation before inducing OLV. - In addition, a recent presentation in the 2021 Thoracic Anesthesia Symposium suggested possible benefits of the use of a capnography device on the non-ventilated lung in the detection of air leaks around the bronchial cuff. - The same presentation demonstrated the utility of EtCo2 measurement to determine the achievement of complete lung collapse. With these previous demonstrations, the use of an individualized capnography for each lung can potentially describe different steps during thoracic surgery. Therefore, a descriptive prospective study on patients that require thoracic surgery with use of a double lumen tube is proposed to verify the feasibility of dual capnography during OLV. The use of two different devices, randomized during our study, will also help to identify the impact of different air aspiration levels on our measures. Such results will allow to put forward prospective projects to help to optimize OLV during thoracic surgeries.

NCT ID: NCT04325997 Completed - Clinical trials for Difficult Airway Intubation

Applicaion of Mouth Opener Combined With Electronic Video Laryngoscope in Double-lumen Intubation of Patients With Difficult Airway

Start date: March 1, 2019
Phase: N/A
Study type: Interventional

How to quickly expose glottis and accurately insert double luminal tracheal tube in patients with difficult airway in thoracoscopic surgery has become an urgent problem in anesthesia induction.This study through the double cavity bronchial tube visual laryngoscope intubation with open mouth and electronic video laryngoscope used in combination, to explore whether can shorten the glottis exposure, improve the success rate of the double lumen tube intubation will reduce pharyngeal damage, reduce intubation hemodynamic fluctuations, in order to improve the glottis appeared difficult patients with bronchial intubation success rate to provide the reference.