Safety Study of Continuous Positive Airway Pressure Via a Nasal Mask
Effect of Continuous Positive Airway Pressure Ventilation Through Nasal Mask on Upper Airway Patency During Induction of Anesthesia
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
-
-
Massachusetts
-
Boston, Massachusetts, Forenede Stater, 02114
- Anesthesia and Critical Care, Mass General Hospital
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
Patients,between 18-65 years of age meeting ASA physical status classification I-II requiring general anesthesia for elective surgery who are able to breathe through both their nose and mouth while awake.
Exclusion Criteria:
- Patients with major cardiovascular disease, respiratory disease, cerebral vascular disease or American Society of Anesthesiologists physical status class III or greater.
- Abnormal vital signs on the day of admission for surgery [heart rate (HR, > 100 bpm or < 40 bpm), blood pressure (BP, > 180/100 mmHg or < 90/60 mmHg), room air transcutaneous oxyhemoglobin saturation (SPO2) < 96%] that are not correctable with his or her routine medication or commonly used pre-operative medication.
- Unable to open mouth (< 2.5 cm) or unable to breathe through their mouth or nose.
- Subjects with a beard, an abnormal facial structure or other factors precluding obtaining a viable face mask fit without air leak. Also, subjects having claustrophobia that can not tolerate the mask.
- Any person with an anticipated difficult airway. This will include subjects who require or may require either a fiberoptic intubation or intubation while awake and subjects with known OSA or body mass index (BMI) greater than 35 km/m2.
- Gastric-esophageal reflex or a full stomach.
- The subject has remained in bed for more than 24 hours.
- Neurological symptoms associated with neck extension, a neurological deficit from a previous stroke or spinal cord injury, a recent stroke or transient ischemic attack (TIA) within 2 weeks.
- Pregnant women and women less than one month post-partum. Ruling out pregnancy will be conducted by careful history and physical examination as performed routinely prior to surgery. If the history is believed to be unreliable, the patient will be excluded unless a pregnancy test is performed and the result of the test is negative.
- Emergency cases and subjects who have not adhered to the ASA NPO (Nil Per Os) guidelines.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Støttende pleje
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Enkelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: Nasal mask with no PEEP
Nasal mask with PEEP 0, then add PEEP 5, and 10
|
nasal mask use instead of face mask
|
|
Eksperimentel: Nasal mask with PEEP
Nasal mask with PEEP 5, then add PEEP 10
|
nasal mask use instead of face mask
|
|
Eksperimentel: Face mask with no PEEP
Face mask with PEEP 0 then add PEEP 5, 10
|
nasal mask use instead of face mask
|
|
Eksperimentel: Face mask with PEEP
Face mask with PEEP 5, then add PEEP 10
|
nasal mask use instead of face mask
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
expired tidal volume
Tidsramme: Average of one minute after anesthesia induction
|
Estimated time from induction of anesthesia (drugs given for anesthesia induction) to apnea is one minute.
|
Average of one minute after anesthesia induction
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
volume of CO2
Tidsramme: Average of one minute after anesthesia induction
|
Estimated time from induction of anesthesia (drugs given for anesthesia induction) to apnea is one minute.
|
Average of one minute after anesthesia induction
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Ledende efterforsker: Yandong Jiang, MD, PhD, Mass. General Hospital
Publikationer og nyttige links
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- 2010p002823
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