NCT03106974

Brief Summary

Airway management in obese patients has to consider that mask ventilation (DMV) risk is increased and difficult tracheal intubation (DTI) risk may be increased too. In obese patients, is essential to prevent early arterial oxygen desaturation related to a reduced functional residual capacity (FRC), atelectasis formation during anesthetic induction and after tracheal intubation, because oxygenation maintenance is the cornerstone of the airway management of the obese patient. Endotracheal intubation is usually required to allow unrestricted surgical approach. The Macintosh laryngoscope is the standard method. However, sometimes this technique is ineffective and poorly tolerated by the obese patient. The Totaltrack™ (MedComflow S.A., Barcelona, Spain) is a hybrid device, between a supraglottic airway and a videolaryngoscope with an anatomically shaped blade. It allows fibreoptic visualization of the larynx for tracheal intubation and was developed to aid both ventilation and tracheal intubation, at the time of anticipated and unanticipated difficult airway management. However, despite its use in clinical practice, there are no comparative studies regarding direct laryngoscopy in obese patients.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
1,440

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started May 2017

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 26, 2017

Completed
16 days until next milestone

First Posted

Study publicly available on registry

April 11, 2017

Completed
20 days until next milestone

Study Start

First participant enrolled

May 1, 2017

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2018

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2019

Completed
Last Updated

April 14, 2017

Status Verified

April 1, 2017

Enrollment Period

1 year

First QC Date

March 26, 2017

Last Update Submit

April 13, 2017

Conditions

Outcome Measures

Primary Outcomes (1)

  • saturation of blood oxygen at the end of orotracheal intubation

    We will compare the blood oxygen saturation at the end of orotracheal intubation with macintosh and totaltrack. The end of successful tracheal intubation will be established to obtain a curve of Capnography.

    Time of Orotracheal intubation (TOTI) (up to 1 hour)

Secondary Outcomes (9)

  • Total time of successful intubation

    Time of Orotracheal intubation (TOTI) (up to 1 hour)

  • number of maneuvers

    Time of Orotracheal intubation (TOTI) (up to 1 hour)

  • IDS Scale

    Time of Orotracheal intubation (TOTI) (up to 1 hour)

  • POGO Score

    Time of Orotracheal intubation (TOTI) (up to 1 hour)

  • Number of attempts of endotracheal intubation

    Time of Orotracheal intubation (TOTI) (up to 1 hour)

  • +4 more secondary outcomes

Study Arms (2)

Macintosh Laryngoscope

ACTIVE COMPARATOR

orotracheal intubation (OTI) with Macintosh Laryngoscope Direct laryngoscopy

Device: orotracheal intubation Macintosh Laryngoscope

Totaltrack VLM

ACTIVE COMPARATOR

orotracheal intubation (OTI) with Totaltrack VlM Indirect laryngoscopy

Device: orotracheal intubation Totaltrack VLM

Interventions

orotracheal intubation (OTI) after induction of anesthesia and complete relaxation

Also known as: OTI
Macintosh Laryngoscope

orotracheal intubation (OTI) after induction of anesthesia and complete relaxation

Totaltrack VLM

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • BMI \> 30.
  • ASA 1-3
  • Scheduled surgeries that require orotracheal intubation.
  • General anesthesia with neuromuscular relaxation before intubation.
  • Patients who sign informed consent.

You may not qualify if:

  • ASA 4
  • Difficult airway already known.
  • Alterations of airway documented, with previous tracheostomy or involve anatomical alterations.
  • General anesthesia that not require orotracheal intubation or neuromuscular relaxation.
  • Symptomatic gastro-esophageal reflux.
  • Lap-Band carrier.
  • Allergy medications to use.
  • Urgent surgery.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hospital Universitario Infanta Leonor

Madrid, Madrid, 28031, Spain

RECRUITING

MeSH Terms

Conditions

ObesityRespiratory Aspiration

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and SymptomsRespiration DisordersRespiratory Tract DiseasesPathologic Processes

Study Officials

  • Maria Luisa Mariscal Flores, M.D.

    Hospital Universitario Getafe

    PRINCIPAL INVESTIGATOR
  • Míriam Sánchez Merchante, M.D.

    Hospital Universitario Fundación Alcorcón

    PRINCIPAL INVESTIGATOR
  • Sergio D. Bergese, M.D.

    Clinical Faculty - Wexner Medical Center at The Ohio State University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Eugenio D. Martinez Hurtado, M.D.

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
OTHER
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

March 26, 2017

First Posted

April 11, 2017

Study Start

May 1, 2017

Primary Completion

May 1, 2018

Study Completion

May 1, 2019

Last Updated

April 14, 2017

Record last verified: 2017-04

Locations