Electric Blower Based Ventilator Used During Procedural Sedation

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

29 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-12-01

Study Completion Date

2019-06-01

Brief Summary

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Conduct human trials in the endoscopy suite of our continuous positive airway pressure (CPAP) ventilator approach using an FDA approved ventilator.

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Detailed Description

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All study procedures will be performed in adult patients following informed consent at the endoscopy suite of the University of Utah Health Sciences Center in Salt Lake City, Utah. A ventilation mask will be placed on the patient's face and connected to the ventilator. Supplemental oxygen will be delivered by the ventilator through the mask; the concentration of oxygen delivered will be left to the clinician's discretion. A modified mask with multiple small leaks will be used with a standard elastomeric H-strap to secure it to the patient's face.

The endoscopy suite nurse and technicians will attach all clinically necessary standard sensors and connect them to the patient and monitoring system. Height, weight, and neck circumference will be measured and recorded digitally on an encrypted laptop. In addition to the standard of care monitors, the investigators will collect data from additional non-invasive modalities and save the data to a laptop using custom software for later analysis.

Pressure and flow sensors included in the ventilator will be used to monitor the patients' tidal volumes and respiratory rate during the procedure. The data that will be collected and recorded on the laptop will include: RIP data, mask pressure, flow, and breath rate. An additional flow sensor will be placed in line with the ventilator.

The objective of this study is threefold: Demonstrate in patients undergoing procedural sedation (e.g., for colonoscopy) that obstructive apnea can successfully be avoided by stenting the airway open using CPAP, demonstrate that we can successfully detect periods of zero ventilation, and demonstrate the functionality of the modified standard mask.

Conditions

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Apnea During Procedural Sedation

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

SUPPORTIVE_CARE

Blinding Strategy

NONE

Study Groups

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Noninvasive Ventilation

Use of the Noninvasive Ventilator (V60, Philips). The ventilator mask will be placed on the patient's face according to their comfort using an elastomeric H-strap. CPAP of 8 cmH2O (pressure) will be the starting setting for the ventilator.

Group Type EXPERIMENTAL

Noninvasive Ventilator (V60, Philips)

Intervention Type DEVICE

The clinician will determine the concentration of oxygen that shall be delivered to the patient. The ventilator is capable of providing concentrations between 21% - 100% of oxygen. Unless otherwise directed by the clinician, the default setting of 40% will be used.

Interventions

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Noninvasive Ventilator (V60, Philips)

The clinician will determine the concentration of oxygen that shall be delivered to the patient. The ventilator is capable of providing concentrations between 21% - 100% of oxygen. Unless otherwise directed by the clinician, the default setting of 40% will be used.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* \> 18 years of age
* undergoing a colonoscopy procedure
* receiving registered nurse-administered procedural sedation at the University of Utah Health Sciences Center
* agree to participate
* written informed consent

Exclusion Criteria

* Inability/refusal of subject to provide informed consent.
* Pregnant patients and patients with an ASA (American Society of Anesthesiology) physical status of IV or V.
* Patients with severe medical condition(s) that in the view of the acting physician prohibits participation in the study.
* Patients with a BMI \> 35 will not be included in the study

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes