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MEA DPA Hypoxic Event Reductions

30. april 2026 opdateret af: Jean-Louis Horn, Stanford University

Minimizing Deoxygenation Events During Anesthesia With a Novel Distal Pharyngeal Airway

The goal of the study is to compare deoxygenation events during anesthesia induction and mask ventilation when using standard oral pharyngeal airways or the novel distal pharyngeal airway.

Studieoversigt

Status

Trukket tilbage

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This prospective RCT will study adult patients who are determined to be at high risk for deoxygenation events during induction of general anesthesia. The study will randomize patients for use of a novel airway device (distal pharyngeal airway) versus standard oral pharyngeal airway during general anesthetic induction and measure differences in severity and duration of desaturation (hypoxic) events. The premise is the new novel device will reduce hypoxic events, improving patient safety and reducing airway complications. This is critically important as hypoxic events can have significant consequences. Providing a device that minimizes hypoxic events could impact patient safety positively. Additional measurements will include reduction in unanticipated patient admissions from airway complications with DPA use.

Undersøgelsestype

Interventionel

Fase

  • Ikke anvendelig

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Patient presenting for surgery at main Stanford Hospital
  • Over 18 years old
  • ASA Class II, III, IV
  • High risk for hypoxic events during intubation based on their past medical history
  • BMI >35
  • Likelihood of obstructive sleep apnea utilizing the STOP-BANG questionnaire
  • History of diagnosed sleep apnea
  • History of difficult intubation
  • Prior need for two-handed mask ventilation
  • Requiring general anesthesia with endotracheal intubation for surgery

Exclusion Criteria:

  • Altered mental status
  • Anesthesia technique includes rapid sequence or modified rapid sequence intubation
  • Poorly controlled gastroesophageal reflux

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Forebyggelse
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Dobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Novel DPA device
Assess duration and severity of deoxygenation events with DPA use during anesthetic induction and mask ventilation.
Anesthesiologist will use novel DPA device post anesthetic induction to assist in bag mask ventilation prior to endotracheal tube placement.
Aktiv komparator: Standard OPA device
Assess duration and severity of deoxygenation events with OPA use during anesthetic induction and mask ventilation.
Anesthesiologist will use standard OPA device post anesthetic induction to assist in bag mask ventilation prior to endotracheal tube placement.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of participants with clinically significant hypoxia SpO2 < 92
Tidsramme: Post-treatment recorded intra-operatively (up to 24 hours)
This outcome will be compared between two groups.
Post-treatment recorded intra-operatively (up to 24 hours)

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of additional airway maneuvers used during bag-mask ventilation with the MEA DPA and OPA during induction of general anesthesia
Tidsramme: Post-treatment recorded intra-operatively (up to 24 hours)
Post-treatment recorded intra-operatively (up to 24 hours)
Determine if additional airway maneuvers are used during bag-mask ventilation with the MEA DPA and OPA during induction of general anesthesia
Tidsramme: Post-treatment recorded intra-operatively (up to 24 hours)
The number of supplemental airway interventions that the anesthesiologist must use to be able to ventilate the patient after the OPA or MEA DPA placement will be assessed. These supplemental interventions include chin lifts, jaw thrusts, head repositioning, and asking for additional aid when ventilating the patient. These notes will be compared and confirmed with the recorded induction footage from the cameras. Following data collection, data will be compared to demonstrate if there is a reduction in the need for manual intervention with the MEA DPA compared to a standard airway.
Post-treatment recorded intra-operatively (up to 24 hours)
Change in anesthesia provider satisfaction during anesthetic bag-mask ventilation (positive pressure ventilation)
Tidsramme: Immediately post-operatively (up to 24 hours)
Anesthesiologists will be asked if the MEA DPA is easier, harder, or has the same level of difficulty in placement and use as the standard OPA. Following data collection, the differences between the intervention and control group will be compared to demonstrate improved anesthesia provider satisfaction based on ease of placement, use and preferred future usage of MEA DPA.
Immediately post-operatively (up to 24 hours)
Incidence of obstruction for sedated patients arriving in postoperative care with an airway in situ
Tidsramme: Immediately post-operatively (up to 24 hours)
PACU nurse will indicate if the MEA DPA correlates with reduced post-operative care unit (PACU) airway manipulation (head repositioning, jaw thrust, increased oxygen flows). Following data collection, the differences between the intervention and control group will be compared to demonstrate preferred use through decreased airway management needs for PACU nurses with the DPA and reduced patient discomfort.
Immediately post-operatively (up to 24 hours)

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. november 2025

Primær færdiggørelse (Anslået)

1. november 2026

Studieafslutning (Anslået)

1. november 2026

Datoer for studieregistrering

Først indsendt

24. januar 2024

Først indsendt, der opfyldte QC-kriterier

30. april 2026

Først opslået (Faktiske)

7. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

7. maj 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

30. april 2026

Sidst verificeret

1. april 2026

Mere information

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Kliniske forsøg med DPA

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