Airway Morbidity Clinical Trial
Official title:
A New Insertion Technique for Laryngeal Mask Airway
NCT number | NCT01749033 |
Other study ID # | STU00046964 |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | November 2011 |
Est. completion date | December 2015 |
Verified date | December 2019 |
Source | Northwestern University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
A laryngeal mask airway ("LMA") is an airway device that is commonly used and placed under general anesthesia to facilitate ventilation of the patient's lungs while anesthetized. It is similar to an "endotracheal tube" (a breathing tube) but is less invasive. It is also placed as a backup when the Anesthesiologist is unable to pass a breathing tube and the patient is not adequately ventilating. Unfortunately, an LMA may lead to complications similar to those of breathing tube placement, such as sore throat and hoarse voice. Previous studies have examined several variables that may affect how often complications occur; these variables include giving anti-inflammatory medications and inflating the LMA to different pressures (the "working" end of the LMA, which rests in the patient's throat, has a cuff that is inflated to provide a seal). We are studying the effect of the PLACEMENT TECHNIQUE on postoperative sore throat, hoarse voice, and difficulty swallowing. We will be using 3 placement techniques - the traditional placement technique, a slightly different traditional placement technique, and a new technique, abbreviated the "ELLIA" method. The hypothesis of this study is that a new LMA insertion technique will have no difference in postoperative pharyngolaryngeal morbidity including sore throat, dysphagia and dysphonia.
Status | Completed |
Enrollment | 450 |
Est. completion date | December 2015 |
Est. primary completion date | December 2015 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 90 Years |
Eligibility |
Inclusion Criteria: - ASA (American Society of Anesthesiologists patient fitness category) I, II, III - Age 18-90 - General anesthetic for where LMA (Laryngeal Mask Airway) placement is not contraindicated will be included Exclusion Criteria: - Small mouth opening - Preoperative sore throat/dysphagia/dysphonia - Patients at increased risk for aspiration - Morbid obesity BMI > 40 - Untreated chronic GERD - Pregnancy - Suspected supraglottic abnormalities - N2O use - Need for oral-pharyngeal suctioning - Undergoing oral and nasal surgery - Intubation or any oral instrumental manipulations other than - LMA placements intraoperatively or postoperatively |
Country | Name | City | State |
---|---|---|---|
United States | Northwestern Memorial Hospital | Chicago | Illinois |
Lead Sponsor | Collaborator |
---|---|
Northwestern University |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Number of Subjects Who Present With Postoperative Sore Throat | The primary outcomes for this study will be postoperative pharyngolaryngeal complications of sore throat as reported by the participant. | 24 hours | |
Primary | The Primary Outcomes for This Study Will be Postoperative Pharyngolaryngeal Complications Including Dysphonia | The primary outcomes for this study will be postoperative pharyngolaryngeal complications including dysphonia. Difficulty in speaking as assessed by the study team and reported by the participant 24 hours after LMA airway placement. | 24 hours | |
Primary | The Primary Outcomes for This Study Will be Postoperative Dysphagia. | The primary outcomes for this study will be postoperative pharyngolaryngeal complication of dysphagia 24 hours after airway placement. This is assessed by a study team member during the 24 hour follow up or reported by the participant. | 24 hours | |
Primary | The Primary Outcomes for This Study Will be Postoperative Pharyngolaryngeal Complications Including Dysphagia, Sore Throat and Dysphonia. | The primary outcomes for this study will be postoperative pharyngolaryngeal complications including dysphagia, sore throat and dysphonia 24 hours after airway placement. | 24 hours | |
Secondary | Severity of Sore Throat | Severity of sore throat 24 hours after airway placement on a 11 point scale of 0-10 ( 0 equals no pain and 10 equals worst pain ever) per recovery hour. Low pain = 0 high pain= 500 composite score (0 to 11 points per hour x 24 hours) |
24 hours | |
Secondary | Blood on LMA After Removal | Presence of blood immediately after the removal of the LMA after surgery. | Immediately after LMA removal |
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