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Laryngeal Mask Airway in Laparoscopic Hernia Repair

Laryngeal Mask Airway Versus Endotracheal Intubation for Laparoscopic Inguinal Hernia Repair

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06023394
Enrollment
62
Registered
2023-09-05
Start date
2023-03-27
Completion date
2024-05-08
Last updated
2025-04-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Inguinal Hernia, Inguinal Hernia Bilateral, Inguinal Hernia, Indirect, Inguinal Hernia Unilateral

Brief summary

This prospective randomized study will evaluate the effectiveness of laryngeal mask airway (LMA) versus endotracheal intubation (ETT) for patients undergoing laparoscopic inguinal hernia at CMH.

Detailed description

This study aims to evaluate the effectiveness during general anesthesia of laryngeal mask airway versus endotracheal tube for laparoscopic inguinal hernia repair. There are limited pediatric literature evaluating the use of laryngeal mask airway for laparoscopic procedures compared with traditional endotracheal intubation. This study aims to add to this literature in providing information comparing the two techniques. The rationale for this study is to show that general anesthesia with laryngeal mask airway is an effective and non-inferior technique compared with general anesthesia with endotracheal intubation in pediatric patients undergoing laparoscopic inguinal hernia repair and may offer benefits in terms of efficiency of care and respiratory complications.

Interventions

DEVICELaryngeal Mask Airway

Laryngeal mask airway will be used as an airway device for Cohort A in the standard fashion.

DEVICEEndotracheal Tube Device

Endotracheal tube airway will be used as an airway device for Cohort B in the standard fashion.

Sponsors

Children's Mercy Hospital Kansas City
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
12 Months to 8 Years
Healthy volunteers
No

Inclusion criteria

* Patients undergoing laparoscopic inguinal hernia repair. * Ages 12 months to 8 years of age * American Society of Anesthesiologists Physical Status Classification ASA 1 or 2 * ASA 1- A normal, healthy patient * ASA 2- A patient with mild systemic disease * Elective with appropriate NPO status * English speakers * Spanish speakers

Exclusion criteria

* Patients with current gastroesophageal reflux * Obesity (CDC \>= 95th %ile) * Contraindications to study protocol medications

Design outcomes

Primary

MeasureTime frameDescription
Oxygen Saturation Measured by Pulse Oximetry in Percent SaturationPatients will have oxygen saturation measured directly after placement airway device, the first oxygen saturation recorded five minutes after the start of surgery, and immediately prior to removal airway device, assessed up to 2 hours.Oyxgen saturation will be measured by pulse oximetry in percent saturation at three time points during the anesthetic

Secondary

MeasureTime frameDescription
End-tidal Carbon Dioxide Measured by Capnography in mm HgPatients will have end-tidal carbon dioxide measured directly after placement of device, the first end-tidal carbon dioxide measurement recorded five minutes after the start of surgery, and immediately prior to removal of device, assessed up to 2 hours.Patients will have end-tidal carbon dioxide measured by capnography in mm Hg at three standardized time points during anesthesia.
Peak Airway Pressure Will be Measured in cm H2OPatients will have peak airway pressure measured directly after placement airway device, the first airway pressure recorded five minutes after the start of surgery, and immediately prior to removal airway device, assessed up to 2 hours.Patients will have peak airway pressure in cm H2O measured at three standardized time points during anesthesia.
Documentation of Laryngospasm OccurrencePatients will have the occurrence of laryngospasm documented at any time point during the surgery, assessed up to 2 hours.Will document if laryngospasm occurs in both groups at any time during the surgery.
Documentation of Oxygen DesaturationPatients will have the occurrence of oxygen desaturation documented if it occurs at any time point during the surgery, assessed up to 2 hours.Will document if oxygen desaturation occurs at any time during the surgery as defined as an oxygen saturation of less than 90%.

Countries

United States

Participant flow

Participants by arm

ArmCount
Cohort A: Receives Laryngeal Mask Airway Device
In this study arm, after induction of general anesthesia, the patients will receive a laryngeal mask airway device. Laryngeal Mask Airway: Laryngeal mask airway will be used as an airway device for Cohort A in the standard fashion.
25
Cohort B: Receives Endotracheal Tube Device
In this arm, after induction of general anesthesia, the patients will receive an endotracheal tube airway device. Endotracheal Tube Device: Endotracheal tube airway will be used as an airway device for Cohort B in the standard fashion.
25
Total50

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyDid not receive allocated intervention (Patient received ETT per surgeon)10
Overall StudyDid not received allocated intervention (no airway device documented in EMR)11
Overall StudySurgery not performed (hernia not identified on diagnostic laparoscopy)03
Overall StudySurgery was not performed laparoscopically42

Baseline characteristics

CharacteristicCohort B: Receives Endotracheal Tube DeviceTotalCohort A: Receives Laryngeal Mask Airway Device
Age, Categorical
<=18 years
25 Participants50 Participants25 Participants
Age, Categorical
>=65 years
0 Participants0 Participants0 Participants
Age, Categorical
Between 18 and 65 years
0 Participants0 Participants0 Participants
Age, Continuous3.1 years3.21 years3.5 years
Race and Ethnicity Not Collected0 Participants
Region of Enrollment
United States
25 participants50 participants25 participants
Sex: Female, Male
Female
6 Participants13 Participants7 Participants
Sex: Female, Male
Male
19 Participants37 Participants18 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 250 / 25
other
Total, other adverse events
0 / 250 / 25
serious
Total, serious adverse events
0 / 250 / 25

Outcome results

Primary

Oxygen Saturation Measured by Pulse Oximetry in Percent Saturation

Oyxgen saturation will be measured by pulse oximetry in percent saturation at three time points during the anesthetic

Time frame: Patients will have oxygen saturation measured directly after placement airway device, the first oxygen saturation recorded five minutes after the start of surgery, and immediately prior to removal airway device, assessed up to 2 hours.

ArmMeasureGroupValue (MEDIAN)
Cohort A: Receives Laryngeal Mask Airway DeviceOxygen Saturation Measured by Pulse Oximetry in Percent SaturationSpO2 after placement airway device100 Percent Saturation
Cohort A: Receives Laryngeal Mask Airway DeviceOxygen Saturation Measured by Pulse Oximetry in Percent SaturationSpO2 5 minutes after surgery start100 Percent Saturation
Cohort A: Receives Laryngeal Mask Airway DeviceOxygen Saturation Measured by Pulse Oximetry in Percent SaturationSpO2 prior to airway device removal100 Percent Saturation
Cohort B: Receives Endotracheal Tube DeviceOxygen Saturation Measured by Pulse Oximetry in Percent SaturationSpO2 after placement airway device100 Percent Saturation
Cohort B: Receives Endotracheal Tube DeviceOxygen Saturation Measured by Pulse Oximetry in Percent SaturationSpO2 5 minutes after surgery start100 Percent Saturation
Cohort B: Receives Endotracheal Tube DeviceOxygen Saturation Measured by Pulse Oximetry in Percent SaturationSpO2 prior to airway device removal100 Percent Saturation
Secondary

Documentation of Laryngospasm Occurrence

Will document if laryngospasm occurs in both groups at any time during the surgery.

Time frame: Patients will have the occurrence of laryngospasm documented at any time point during the surgery, assessed up to 2 hours.

ArmMeasureValue (NUMBER)
Cohort A: Receives Laryngeal Mask Airway DeviceDocumentation of Laryngospasm Occurrence0 Presence of laryngospasm
Cohort B: Receives Endotracheal Tube DeviceDocumentation of Laryngospasm Occurrence0 Presence of laryngospasm
Secondary

Documentation of Oxygen Desaturation

Will document if oxygen desaturation occurs at any time during the surgery as defined as an oxygen saturation of less than 90%.

Time frame: Patients will have the occurrence of oxygen desaturation documented if it occurs at any time point during the surgery, assessed up to 2 hours.

ArmMeasureValue (NUMBER)
Cohort A: Receives Laryngeal Mask Airway DeviceDocumentation of Oxygen Desaturation1 Occurence of oxygen desaturation
Cohort B: Receives Endotracheal Tube DeviceDocumentation of Oxygen Desaturation1 Occurence of oxygen desaturation
Secondary

End-tidal Carbon Dioxide Measured by Capnography in mm Hg

Patients will have end-tidal carbon dioxide measured by capnography in mm Hg at three standardized time points during anesthesia.

Time frame: Patients will have end-tidal carbon dioxide measured directly after placement of device, the first end-tidal carbon dioxide measurement recorded five minutes after the start of surgery, and immediately prior to removal of device, assessed up to 2 hours.

ArmMeasureGroupValue (MEDIAN)
Cohort A: Receives Laryngeal Mask Airway DeviceEnd-tidal Carbon Dioxide Measured by Capnography in mm HgETCO2 after placement of airway device44 millimeters mercury (mm Hg)
Cohort A: Receives Laryngeal Mask Airway DeviceEnd-tidal Carbon Dioxide Measured by Capnography in mm HgETCO2 5 minutes after surgery start47 millimeters mercury (mm Hg)
Cohort A: Receives Laryngeal Mask Airway DeviceEnd-tidal Carbon Dioxide Measured by Capnography in mm HgETCO2 prior to removal of airway device45 millimeters mercury (mm Hg)
Cohort B: Receives Endotracheal Tube DeviceEnd-tidal Carbon Dioxide Measured by Capnography in mm HgETCO2 after placement of airway device43 millimeters mercury (mm Hg)
Cohort B: Receives Endotracheal Tube DeviceEnd-tidal Carbon Dioxide Measured by Capnography in mm HgETCO2 5 minutes after surgery start48 millimeters mercury (mm Hg)
Cohort B: Receives Endotracheal Tube DeviceEnd-tidal Carbon Dioxide Measured by Capnography in mm HgETCO2 prior to removal of airway device49 millimeters mercury (mm Hg)
Secondary

Peak Airway Pressure Will be Measured in cm H2O

Patients will have peak airway pressure in cm H2O measured at three standardized time points during anesthesia.

Time frame: Patients will have peak airway pressure measured directly after placement airway device, the first airway pressure recorded five minutes after the start of surgery, and immediately prior to removal airway device, assessed up to 2 hours.

ArmMeasureGroupValue (MEDIAN)
Cohort A: Receives Laryngeal Mask Airway DevicePeak Airway Pressure Will be Measured in cm H2OPeak airway pressure prior to removal of airway device7 cm H20
Cohort A: Receives Laryngeal Mask Airway DevicePeak Airway Pressure Will be Measured in cm H2OPeak airway pressure after placement of airway device11 cm H20
Cohort A: Receives Laryngeal Mask Airway DevicePeak Airway Pressure Will be Measured in cm H2OPeak airway pressure 5 minutes after surgery start13 cm H20
Cohort B: Receives Endotracheal Tube DevicePeak Airway Pressure Will be Measured in cm H2OPeak airway pressure 5 minutes after surgery start16 cm H20
Cohort B: Receives Endotracheal Tube DevicePeak Airway Pressure Will be Measured in cm H2OPeak airway pressure after placement of airway device14 cm H20
Cohort B: Receives Endotracheal Tube DevicePeak Airway Pressure Will be Measured in cm H2OPeak airway pressure prior to removal of airway device11 cm H20

Source: ClinicalTrials.gov · Data processed: Feb 5, 2026