WithdrawnNot Applicable

A "Less-rapid" Sequence Anesthetic Induction/Intubation Sequence? Does Apneic Oxygenation by Means of an Oxygenating Laryngoscope Blade Prolong the "Duration of Apnea Without Desaturation" in Paralyzed Non-obese and Morbidly Obese Patients?

Stopped: Lack of feasibility

0Started 2016-11

Plain-language summary

The study will test the efficacy of the Pentax AWSTM video laryngoscope (VLS) equipped with a P Blade (Figure 1) as the means to provide Apneic Oxygenation (AO) and prolong Duration of Apnea Without Desaturation (DAWD) in non-obese and morbidly obese females.

Who can participate

Age range18 Years – 65 Years

SexFEMALE

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Inclusion criteria

✓. Female patients,
✓. American Society of Anesthesiologists Rating 1-2,
✓. Aged 18 through 65 years of age
✓. Elective gynecological surgery via an abdominal approach (laparoscopic or open)
✓. Already consented to general anesthesia necessitating endotracheal intubation.
✓. Are candidates for anesthesia using laryngeal mask airway if needed

Exclusion criteria

✕. Patient refusal to enter study
✕. History of difficult mask ventilation
✕. History of, or anticipated difficult intubation
✕. Heavy Smokers (\> 10 cigarettes per day)
✕. Asthma
✕. Chronic Obstructive Pulmonary Disease
✕. Heart Disease
✕. Renal or Liver disease

What they're measuring

Duration of apnea without desaturation

Timeframe: Time in seconds from the initiation of laryngoscopy until the time at which Sp02 falls to 95%, or until 8 minutes have elapsed

Trial details

NCT IDNCT02943629

SponsorVanderbilt University

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2019-04-01

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