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This study is intended to validate the use of neck auscultation with an electronic stethoscope during intubation to confirm tracheal tube placement.
It is hypothesized that the ability to confirm correct tube placement with this technique will be similar to that of the end-tidal CO2 monitor, the current gold-standard device for confirming tracheal intubation.
Unrecognized esophageal intubation results in disastrous consequences. Fortunately, a variety of techniques have been cited to confirm placement of the endotracheal tube. However, even end-tidal CO2 monitoring, considered to be the gold standard, has been associated with false positive and false negative results. In addition, use of this monitor requires ventilation through the tube, resulting in gastric distention if the esophagus has been intubated.
When the lateral neck is auscultated during insertion of an endotracheal tube, there is a distinct difference between the sounds generated by a tube placed in the esophagus compared to a tube inserted into the trachea. Stethoscopes are readily available in any OR setting, and ventilation and release of cricoid pressure need not occur prior to confirmation of tube placement. However, this technique has yet to be validated.
A series of sounds heard at the lateral neck during both tracheal and esophageal intubation will be recorded using an electronic stethoscope. These sound files will be played to a group including both experienced and inexperienced intubators, who will be asked to identify which sounds represent tracheal and esophageal intubation. Overall accuracy will be determined for the group of listeners.
Allocation: Non-Randomized, Control: Uncontrolled, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic
St. Boniface General Hospital
University of Manitoba
Published on BioPortfolio: 2014-08-27T03:42:27-0400
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A type of oropharyngeal airway that provides an alternative to endotracheal intubation and standard mask anesthesia in certain patients. It is introduced into the hypopharynx to form a seal around the larynx thus permitting spontaneous or positive pressure ventilation without penetration of the larynx or esophagus. It is used in place of a facemask in routine anesthesia. The advantages over standard mask anesthesia are better airway control, minimal anesthetic gas leakage, a secure airway during patient transport to the recovery area, and minimal postoperative problems.
Dissection in the neck to remove all disease tissues including cervical LYMPH NODES and to leave an adequate margin of normal tissue. This type of surgery is usually used in tumors or cervical metastases in the head and neck. The prototype of neck dissection is the radical neck dissection described by Crile in 1906.
General or unspecified injuries to the neck. It includes injuries to the skin, muscles, and other soft tissues of the neck.
Removal of an endotracheal tube from the patient.
Act of listening for sounds within the body.
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