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LMA Cuff Pressure and LMA-induced Complications

Completed
Conditions
Sore Throat
Dysphonia
Dysphagia
Interventions
Device: Pressure check by pressure transducer
Device: Standard inflation of LMA cuff
Device: Pressure check with syringe recoil
Registration Number
NCT01385969
Lead Sponsor
Mayo Clinic
Brief Summary

The purpose of this study is to determine if using 20 mL B.Braun syringes to inflate LMAs and allowing them to recoil will put the pressure of the LMA cuff within the safety range. It will also determine if remaining within this safety range has an effect on complications after surgery..

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
360
Inclusion Criteria
  • Registered Mayo Clinic in Florida patients scheduled to undergo a surgery
  • Planned use of LMA during surgery
  • between the ages of 18-99
  • short duration (<2 hours elective surgery)
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Exclusion Criteria
  • recent history of upper respiratory tract infection
  • intra-cavitary or laparoscopic procedure
  • risk of pulmonary aspiration
  • known difficult airway
  • history of gastric reflux
  • BMI > 40
  • lateral or prone positions
  • oral or nasal surgery
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Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Arm && Interventions
GroupInterventionDescription
Pressure TransducerPressure check by pressure transducer-
Standard PracticeStandard inflation of LMA cuff-
Syringe recoilPressure check with syringe recoil-
Primary Outcome Measures
NameTimeMethod
Pressure of the syringe after inflation of the LMA cuffafter inflation, 1 hour into surgery
Secondary Outcome Measures
NameTimeMethod
Number of patients with dysphagia and/or dysphonia1, 2, and 24 hours after surgery

Trial Locations

Locations (2)

University of Florida College of Medicine

🇺🇸

Gainesville, Florida, United States

Mayo Clinic

🇺🇸

Jacksonville, Florida, United States

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