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Preventing Hypoxemia With Manual Ventilation During Endotracheal Intubation (PreVent) Trial (PreVent)

keskiviikko 12. syyskuuta 2018 päivittänyt: Matthew Semler, Vanderbilt University Medical Center
Complications are common during endotracheal intubation of critically ill adults. Manual ventilation between induction and intubation ("bag-valve-mask" ventilation) has been proposed as a means of preventing hypoxemia, the most common complication of intubation outside the operating room. Safety and efficacy data, however, are lacking. PreVent is a randomized trial comparing manual ventilation between induction and laryngoscopy to no manual ventilation between induction an laryngoscopy during endotracheal intubation of critically ill adults. The primary efficacy endpoint will be the lowest arterial oxygen saturation. The primary safety endpoints will be the lowest oxygen saturation, highest fraction of inspired oxygen, and highest positive end-expiratory pressure in the 24 hours after the procedure.

Tutkimuksen yleiskatsaus

Tila

Valmis

Ehdot

Interventio / Hoito

Yksityiskohtainen kuvaus

PreVent is a prospective, parallel-group, pragmatic, randomized trial comparing manual ventilation between induction and laryngoscopy to no manual ventilation between induction an laryngoscopy during endotracheal intubation of critically ill adults. The primary aim of the PreVent trial is to compare the effect of manual ventilation between induction and intubation versus no manual ventilation on the lowest arterial oxygen saturation experienced by critically ill adults undergoing endotracheal intubation. The PreVent trial is anticipated to begin enrollment in January 2017 and will enroll adults undergoing endotracheal intubation with sedation and/or neuromuscular blockade in participating units. Patients will be randomized 1:1 to manual ventilation versus no manual ventilation. In the manual ventilation group, manual ventilation using a bag-valve-mask will be provided from the time of induction until the time of endotracheal intubation, except during laryngoscopy. In the no manual ventilation group, no manual ventilation will be provided between induction and endotracheal intubation, except for the treatment of hypoxemia. The primary efficacy endpoint will be the lowest arterial oxygen saturation during the procedure. The primary safety endpoints will be the lowest oxygen saturation, highest fraction of inspired oxygen, and highest positive end expiratory pressure in the 24 hours after intubation. Conduct of the trial will be overseen by a Data Safety Monitoring Board. An interim analysis will be performed after the enrollment of 175 patients. The analysis of the trial will be conducted in accordance with a pre-specified statistical analysis plan made publicly available prior to the conclusion of enrollment. The initial planned enrollment of 350 patients was increased by the Data and Safety Monitoring Board at the interim analysis to a final planned enrollment of 400 patients.

Opintotyyppi

Interventio

Ilmoittautuminen (Todellinen)

401

Vaihe

  • Ei sovellettavissa

Yhteystiedot ja paikat

Tässä osiossa on tutkimuksen suorittajien yhteystiedot ja tiedot siitä, missä tämä tutkimus suoritetaan.

Opiskelupaikat

  • Yhdysvallat
    • Alabama
      • Birmingham, Alabama, Yhdysvallat, 35294
        • The University of Alabama at Birmingham
    • Louisiana
      • New Orleans, Louisiana, Yhdysvallat, 70121
        • Ochsner Health System
      • New Orleans, Louisiana, Yhdysvallat, 70112
        • Louisiana State University School of Medicine
    • Tennessee
      • Nashville, Tennessee, Yhdysvallat, 37209
        • Vanderbilt University Medical Center
    • Washington
      • Seattle, Washington, Yhdysvallat, 98104
        • Harborview Medical Center, University of Washington

Osallistumiskriteerit

Tutkijat etsivät ihmisiä, jotka sopivat tiettyyn kuvaukseen, jota kutsutaan kelpoisuuskriteereiksi. Joitakin esimerkkejä näistä kriteereistä ovat henkilön yleinen terveydentila tai aiemmat hoidot.

Kelpoisuusvaatimukset

Opintokelpoiset iät

18 vuotta ja vanhemmat (Aikuinen, Vanhempi Aikuinen)

Hyväksyy terveitä vapaaehtoisia

Ei

Sukupuolet, jotka voivat opiskella

Kaikki

Kuvaus

Inclusion Criteria:

  • Patient is located in a participating unit
  • Planned procedure is endotracheal intubation
  • Planned operator is a provider expected to routinely perform endotracheal intubation in the participating unit
  • Administration of sedation and/or neuromuscular blockade is planned
  • Age ≥ 18 years old

Exclusion Criteria:

  • Urgency of intubation precludes safe performance of study procedures
  • Operator feels a specific approach to ventilation between induction and intubation is required
  • Pregnant women
  • Prisoners

Opintosuunnitelma

Tässä osiossa on tietoja tutkimussuunnitelmasta, mukaan lukien kuinka tutkimus on suunniteltu ja mitä tutkimuksella mitataan.

Miten tutkimus on suunniteltu?

Suunnittelun yksityiskohdat

  • Ensisijainen käyttötarkoitus: Ennaltaehkäisy
  • Jako: Satunnaistettu
  • Inventiomalli: Rinnakkaistehtävä
  • Naamiointi: Ei mitään (avoin tarra)

Aseet ja interventiot

Osallistujaryhmä / Arm
Interventio / Hoito
Active Comparator: Manual Ventilation
Beginning after the administration of sedation/neuromuscular blockade, manual ventilation will be provided by bag-valve-mask until the initiation of laryngoscopy. In patients requiring more than one attempt at laryngoscopy, bag-valve-mask ventilation will resume between laryngoscopy attempts.
Muut: Manual Ventilation
Beginning after the administration of sedation/neuromuscular blockade, manual ventilation will be provided by bag-valve-mask until the initiation of laryngoscopy. In patients requiring more than one attempt at laryngoscopy, bag-valve-mask ventilation will resume between laryngoscopy attempts.
Muut nimet:
  • Bag-valve-mask ventilation
Active Comparator: No Manual Ventilation
Between the administration of sedation/neuromuscular blockade and intubation, ventilation will not be provided unless the patient experiences an arterial oxygen saturation less than 90%. For patients who experience an oxygen saturation less than 90% after induction, bag-valve-mask ventilation may be provided.
Muut: No Manual Ventilation
Between the administration of sedation/neuromuscular blockade and intubation, ventilation will not be provided unless the patient experiences an arterial oxygen saturation less than 90%. For patients who experience an oxygen saturation less than 90% after induction, bag-valve-mask ventilation may be provided.
Muut nimet:
  • Apnea

Mitä tutkimuksessa mitataan?

Ensisijaiset tulostoimenpiteet

Tulosmittaus
Toimenpiteen kuvaus
Aikaikkuna
Lowest arterial oxygen saturation
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
The lowest arterial oxygen saturation measured by continuous pulse oximetry (SpO2) between induction and 2 minutes after completion of the airway management procedure.
Induction to 2 minutes after completion of the airway management procedure

Toissijaiset tulostoimenpiteet

Tulosmittaus
Toimenpiteen kuvaus
Aikaikkuna
Sairaalakuolleisuus
Aikaikkuna: 28 päivää
28 päivää
Incidence of lowest oxygen saturation less than 90%
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
Incidence of lowest oxygen saturation less than 90% in the time from induction to 2 minutes after completion of the airway management procedure.
Induction to 2 minutes after completion of the airway management procedure
Incidence of lowest oxygen saturation less than 80%
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
Incidence of lowest oxygen saturation less than 80% in the time from induction to 2 minutes after completion of the airway management procedure.
Induction to 2 minutes after completion of the airway management procedure
Change in saturation from induction to lowest oxygen saturation
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
Change in saturation from induction to lowest oxygen saturation within 2 minutes after completion of the airway management procedure.
Induction to 2 minutes after completion of the airway management procedure
Incidence of desaturation
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
Incidence of desaturation as defined by a decrease in oxygen saturation of greater than 3% from induction to lowest oxygen saturation within 2 minutes after completion of the airway management procedure.
Induction to 2 minutes after completion of the airway management procedure
Lowest oxygen saturation in the 24 hours after intubation.
Aikaikkuna: 24 hours after intubation
24 hours after intubation
Highest fraction of inspired oxygen in the 24 hours after intubation.
Aikaikkuna: 24 hours after intubation
24 hours after intubation
Highest positive end expiratory pressure in the 24 hours after intubation.
Aikaikkuna: 24 hours after intubation
24 hours after intubation
Lowest oxygen saturation, highest fraction of inspired oxygen, and highest positive end expiratory pressure from 0-1, 1-6, and 6- 24 hours after intubation.
Aikaikkuna: 24 hours after intubation
Lowest oxygen saturation, highest fraction of inspired oxygen, and highest positive end expiratory pressure from 0-1, 1-6, and 6- 24 hours after intubation.
24 hours after intubation
Operator-reported pulmonary aspiration
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
Visualization of oropharyngeal or gastric contents in the pharynx, larynx, or trachea between induction and completion of airway management.
Induction to 2 minutes after completion of the airway management procedure
New infiltrate on chest imaging in the 48 hours after intubation
Aikaikkuna: 48 hours after intubation
Determination of new infiltrate will be made by two blinded experts (pulmonary/critical care attendings or fellows) with adjudication by a third expert in the case of discordant results
48 hours after intubation
Operator-reported pulmonary aspiration, new chest x-ray infiltrate, OR lowest oxygen saturation < 80% (composite outcome)
Aikaikkuna: 48 hours after intubation
48 hours after intubation
New pneumothorax or pneumomediastinum on chest imaging in the 24 hours after intubation
Aikaikkuna: 24 hours after intubation
24 hours after intubation
Incidence of esophageal intubation
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
Induction to 2 minutes after completion of the airway management procedure
Lowest systolic blood pressure (peri-procedural)
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
Lowest systolic blood pressure between induction and two minutes after completion of the airway management procedure
Induction to 2 minutes after completion of the airway management procedure
New systolic blood pressure < 65 mmHg or new need for vasopressor
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
New systolic blood pressure < 65 mmHg or new need for vasopressor between medication administration and 2 minutes following successful placement of an endotracheal tube
Induction to 2 minutes after completion of the airway management procedure
Cardiac arrest within one hour of intubation
Aikaikkuna: One hour after intubation.
One hour after intubation.
Death within one hour of intubation
Aikaikkuna: One hour after intubation
One hour after intubation
Cormack-Lehane grade of glottic view
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
Induction to 2 minutes after completion of the airway management procedure
Operator-assessed difficulty of intubation
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
Induction to 2 minutes after completion of the airway management procedure
Incidence of successful intubation on the first laryngoscopy attempt
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
Induction to 2 minutes after completion of the airway management procedure
Number of laryngoscopy attempts
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
Induction to 2 minutes after completion of the airway management procedure
Time from induction to successful intubation
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
Induction to 2 minutes after completion of the airway management procedure
Need for additional airway equipment or a second operator
Aikaikkuna: Induction to 2 minutes after completion of the airway management procedure
Induction to 2 minutes after completion of the airway management procedure
Ventilator-free days
Aikaikkuna: 28 days
Ventilator-free days to day 28 will be defined as the number of days alive and with unassisted breathing to day 28 after enrollment, assuming a patient survives for at least two consecutive calendar days after initiating unassisted breathing and remains free of assisted breathing. If a patient returns to assisted breathing and subsequently achieves unassisted breathing prior to day 28, VFD will be counted from the end of the last period of assisted breathing to day 28. If the patient is receiving assisted ventilation at day 28 or dies prior to day 28, VFD will be 0. If a patient is discharged while receiving assisted ventilation, VFD will be 0. All data will be censored at the first of hospital discharge or 28 days.
28 days
Intensive care unit-free days
Aikaikkuna: 28 days
ICU-free days to 28 days after enrollment will be defined as the number of days alive and not admitted to an intensive care unit service after the patient's final discharge from the intensive care unit in that hospitalization before 28 days. Patients who are never discharged from the intensive care unit will receive a value of 0. Patients who die before day 28 will receive a value of 0. For patients who return to an ICU and are subsequently discharged prior to day 28, ICU-free days will be counted from the date of final ICU discharge. All data will be censored at the first of hospital discharge or 28 days.
28 days

Yhteistyökumppanit ja tutkijat

Täältä löydät tähän tutkimukseen osallistuvat ihmiset ja organisaatiot.

Sponsori

Vanderbilt University Medical Center

Tutkijat

  • Päätutkija: Todd W Rice, MD, MSc, Vanderbilt University Medical Center

Julkaisuja ja hyödyllisiä linkkejä

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Yleiset julkaisut

Opintojen ennätyspäivät

Nämä päivämäärät seuraavat ClinicalTrials.gov-sivustolle lähetettyjen tutkimustietueiden ja yhteenvetojen edistymistä. National Library of Medicine (NLM) tarkistaa tutkimustiedot ja raportoidut tulokset varmistaakseen, että ne täyttävät tietyt laadunvalvontastandardit, ennen kuin ne julkaistaan ​​julkisella verkkosivustolla.

Opi tärkeimmät päivämäärät

Opiskelun aloitus (Todellinen)

Keskiviikko 15. maaliskuuta 2017

Ensisijainen valmistuminen (Todellinen)

Sunnuntai 6. toukokuuta 2018

Opintojen valmistuminen (Todellinen)

Perjantai 6. heinäkuuta 2018

Opintoihin ilmoittautumispäivät

Ensimmäinen lähetetty

Maanantai 16. tammikuuta 2017

Ensimmäinen toimitettu, joka täytti QC-kriteerit

Torstai 19. tammikuuta 2017

Ensimmäinen Lähetetty (Arvio)

Perjantai 20. tammikuuta 2017

Tutkimustietojen päivitykset

Viimeisin päivitys julkaistu (Todellinen)

Torstai 13. syyskuuta 2018

Viimeisin lähetetty päivitys, joka täytti QC-kriteerit

Keskiviikko 12. syyskuuta 2018

Viimeksi vahvistettu

Lauantai 1. syyskuuta 2018

Lisää tietoa

Tähän tutkimukseen liittyvät termit

Muita asiaankuuluvia MeSH-ehtoja

Muut tutkimustunnusnumerot

  • IRB #161962

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