- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT01522222
Study to Determine if Using Ventilation During Open Heart Surgery Improves Lung Outcomes (PEEP)
Effect of Continuous Mechanical Ventilation During Cardiopulmonary Bypass on The Lung Mechanics: A Prospective Evaluation
Panoramica dello studio
Stato
Intervento / Trattamento
Descrizione dettagliata
This is a prospective, randomized, blinded study with a control group. The study group will receive mechanical ventilatory support during CBB, which consists of a preset/predetermined tidal volume, respiratory rate, positive pressure at the end of expiration and FIO2. The control group will receive CPB without additional mechanical ventilatory support during surgery, which at present is the standard of care.
The difference between the study and the control group will occur during the time the heart is arrested and the lungs, under present standard of care, are no longer ventilated. It is at this point in time that those in the study group will continue to receive ventilation, intermittent positive pressure ventilation, while their heart is arrested. The subjects will have their lungs ventilated six times per minute with a tidal volume equal to 7-10 milliliters per kilogram. This range, when combined with a consistent PEEP of 5cm of water pressure, will allow for the peak inspiratory pressure to be maintained at or below 40cm of water pressure. In addition, the FIO2 will remain consistent at the same level that was needed to maintain the pulse oximetry at 94% as well as the end-tidal CO2 at 35mmHg. The values mentioned for this study have been chosen based on not only investigator preference, but also on what is considered "minimally necessary" to prevent atelectasis. Multiple studies have been done utilizing PEEP at 5 and 10 cm of water pressure. With the exception of the potential for mechanical ventilation during the CBP, the care of the subject, regardless of the group randomized into, will be the same. We will in all other aspects continue to utilize the current standard of care.
Tipo di studio
Iscrizione (Effettivo)
Fase
- Non applicabile
Contatti e Sedi
Luoghi di studio
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Wisconsin
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Green Bay, Wisconsin, Stati Uniti, 54311
- Aurora BayCare Medical Center
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Bambino
- Adulto
- Adulto più anziano
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- any patient of any gender, any age with known coronary artery disease that will undergo elective Coronary Artery Bypass Grafting (CABG) and will require CPB as part of his/her operative technique.
Exclusion Criteria:
- documented ejection fraction (either by echocardiogram or by cardiac catheterization) equal to or below 20%
- patients with cardiac valvular disease
- patients with a spirometry measurement that demonstrates an FEV1/FVC ratio below 60%
- patients with chronic renal failure who require dialysis or
- those who have experienced an allergic reaction to anesthesia in the past
- patients with a history of lung infiltrate on chest X-ray prior to surgery or a history of asthma
- Women who are pregnant are excluded
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Prevenzione
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Triplicare
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
---|---|
Nessun intervento: Control
half of the study subjects will receive standard of care during their open heart surgery.
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Sperimentale: Treatment
half of the study subjects will receive the prescribed ventilatory support during open heart surgery.
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Those in the treatment group will receive ventilation, intermittent positive pressure ventilation, while their heart is arrested.
The subjects will have their lungs ventilated six times per minute with a tidal volume equal to 7-10 milliliters per kilogram.
This range, when combined with a consistent PEEP of 5cm of water pressure, will allow for the peak inspiratory pressure to be maintained at or below 40cm of water pressure.
In addition, the FIO2 will remain consistent at the same level that was needed to maintain the pulse oximetry at 94% as well as the end-tidal CO2 at 35mmHg.
|
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
---|---|---|
Post-surgical lung function, compliance, tissue oxygenation, and radiographic changes indicative of atelectasis.
Lasso di tempo: During in-patient stay
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Determination if ventilation during surgery improves post-surgical lung function, compliance, tissue oxygenation, and radiographic changes indicative of atelectasis.
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During in-patient stay
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Collaboratori e investigatori
Sponsor
Investigatori
- Investigatore principale: Raul Mendoza-Ayala, MD, Aurora Health Care
Studiare le date dei record
Studia le date principali
Inizio studio
Completamento primario (Effettivo)
Completamento dello studio (Effettivo)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Stima)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- PEEP
Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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