Clinical Trials Logo

Clinical Trial Summary

The authors developed a formula for predicting the accurate depth of DLT insertion into the appropriate bronchus based on height as follows [The predicted insertion depth of left DLT (cm) equals 0.249 × (BH)0.916] [R]. That pilot study showed comparable correlations between five formulae [Brodsky et al, Bahk and Oh R, Takita et al, Chow et al, Lin]. However, that formula developed has not been validated yet.

We hypothesized that previously published formula would predict the accurate depth of left-sided DLT insertion. We aimed to investigate the efficacy of this formula to estimate the optimum insertion depth of the DLT using a flexible bronchoscope and decrease the incidence of DLT displacement into the appropriate bronchus, the need for bronchoscopic adjustment, and complications including soreness of throat and mucosal injury.


Clinical Trial Description

Accurate placement of the double-lumen tube [DLT], the commonly used tool to provide one-lung ventilation during thoracic surgery, is a real challenge for the thoracic anesthesiologists. Optimal DLT depth, defined as the blue endobronchial cuff below the carina, would decrease the incidence of obstructing the trachea and the contralateral bronchus (Brodsky). Additionally, deep insertion of the bronchial cuff of the DLT would obstruct the upper lobe bronchus (Brodsky). The careful adjustment of the depth and optimal positioning of the DLT using a flexible fiberoptic bronchoscope need a skilled anesthesiologist to reduce the time to DLT intubation. (Charles D. Boucek et al)

There are several methods have been described to predict the proper depth of DLT insertion. Chow et al. documented the validity of the developed formula based on the clavicular-to-carinal distance of trachea and height in 78% of patients studied. Brodsky et al. demonstrated that a height-and-gender-based formula could predict the depth of DLT insertion. Liu et al. reported an accurate depth of DLT insertion in 90% of patients studied measuring the distance between the vocal cord and carina according to the chest CT. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04329416
Study type Interventional
Source Dammam University
Contact
Status Completed
Phase N/A
Start date May 7, 2019
Completion date March 15, 2020

See also
  Status Clinical Trial Phase
Recruiting NCT04865874 - GDT-PPV Protocol in Thoracic Surgery N/A
Active, not recruiting NCT02715271 - Study of TB Lesions Obtained in Therapeutical Surgery
Completed NCT02964026 - Study of Clinical Outcomes Associated With the Pulmonary Artery Catheter (PAC) in Cardiac Surgery Patients N/A
Completed NCT02919267 - Physiology of Lung Collapse Under One-Lung Ventilation: Underlying Mechanisms N/A
Recruiting NCT03165539 - Cerebral Oxygen Desaturation and Post-Operative Delirium in Thoracic Surgical Patients
Terminated NCT01320475 - Epidural Levobupivacaine-sufentanil Versus Epidural Levobupivacaine and Intravenous Ketamine Phase 4
Recruiting NCT05045196 - Health-promoting Family Conversations and Open Heart Surgery N/A
Completed NCT04507958 - Electronic Stethoscope Use During Intubation in Full Personal Protective Equipment
Recruiting NCT05060302 - Prognosis of Right Ventricular Dysfunction Assessed by Speckle Tracking in Postoperative Thoracic Surgery N/A
Completed NCT05667467 - The Effect of Care Bundle in Heart Surgery N/A
Not yet recruiting NCT03275428 - THRIVE and Non-intubated Thoracic Surgery N/A
Not yet recruiting NCT05482230 - Application of Tracheal Intubation in Lateral Position in Thoracic Surgery N/A
Enrolling by invitation NCT04429009 - A Randomized Control Trial of ZEPHYRx Gamified Incentive Spirometry Compared to Traditional Spirometry N/A
Not yet recruiting NCT03628040 - Erector Spinae Plane Block for Video-assisted Thoracoscopic Surgery Phase 3
Recruiting NCT03300622 - Assessment in Patients After Thoracic Surgery N/A
Completed NCT00981474 - Cerebral Autoregulation Monitoring During Cardiac Surgery N/A
Completed NCT03309280 - Influence of Different Parameters on Extubation Time After Cardiac Surgery.
Recruiting NCT03820700 - Using Hypnosis and Virtual Reality During Pre and Postoperative Cardiovascular Surgery. N/A
Completed NCT03768193 - Deep Serratus Anterior Plane Block vs Surgically-placed Paravertebral Block for VATS Surgery N/A
Recruiting NCT04609228 - Cardiac Surgery Outcomes in Blood-transfusion Acceptors and no Acceptors