Feasibility of Ventilation Detection Via Standard Defibrillator Pads in Mechanically Ventilated Pediatric Patients

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

28 participants

Study Classification

OBSERVATIONAL

Study Start Date

2007-01-31

Study Completion Date

2009-12-31

Brief Summary

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This study is a prospective, observational case series of a convenience sample of mechanically ventilated pediatric patients in the Pediatric ICU, Progressive Care Unit and Operating Room at the Children's Hospital of Philadelphia.

We propose to observe, measure and report the accuracy, precision and bias of defibrillator electrode pads to detect breathing in stable but critically ill and mechanically ventilated children. This study will provide preliminary data to inform the resuscitation research community and assist development of evidence-based pediatric resuscitation guidelines in the future.

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Detailed Description

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Context: Resuscitation (CPR) guidelines recommend target values for rate and depth of rescue breathing and chest compressions. Defibrillator electrode pads can accurately detect the size, rate, and speed of machine-generated breaths in adults. The accuracy, precision, bias, and ability of the defibrillator electrode pads to detect the size, rate and speed of breathing in children have not been studied.

Objectives: The primary objective is to evaluate the accuracy, precision, bias and ability of the pads and defibrillator to detect the rate and depth of breathing in critically ill children on breathing machines. Important secondary objectives include reporting the accuracy, precision and bias of the measurement of the speed of the breath, measurement variability, and impact of alternative defibrillator electrode pad location on the chest.

Study Design/Setting/Participants:

Prospective, pilot, observational study in the Pediatric Intensive Care Unit and Progressive Care Unit at the Children's Hospital of Philadelphia. The participants are all patients in the PICU and Progressive Care Unit (PCU), 6 months to 17 years, who are supported by their clinical management team with a tracheal tube, standard breathing machine, and standard ICU monitoring systems.

Intervention:

Standard defibrillator electrode pads will be placed on the patient's chest in two typical pediatric configurations, and data will be recorded for 5 minutes in each configuration. These defibrillator electrode pads will be used exclusively for monitoring, as additions to the standard ICU monitoring.

Study Measures:

The primary outcome variable will be the successful detection of breathing rate. We will compare the accuracy, precision and bias of detection of each breath of \> 2 ml/kg by the defibrillator electrode pads compared with the "gold standard" mechanical ventilator pneumotachometer detected breaths. Secondary outcome variables will include defibrillator electrode pad detection of breathing depth and speed compared to standard ICU monitors (considered the gold standard). We will also study the effect of defibrillator electrode pad location on the accuracy, precision, bias and ability to detect breathing rate, depth, and speed.

Conditions

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Respiration, Artificial

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

1. Patients age 6 months - 17 years with:
2. Artificial airway
3. Mechanical ventilation (PCV or VCV)
4. Hemodynamic stability to participate in the study, as determined by the clinical treatment team.
5. Parental/guardian permission (informed consent) and if appropriate, child assent.

Exclusion Criteria

1. Patients with chest tubes
2. High frequency ventilation (Jet or Oscillation)
3. Airway Pressure Release ventilation
4. Extracorporeal membrane oxygenation (ECMO)
5. Significant chest wall abnormality (e.g. Vertebral Expandable Prosthetic Titanium Rib (VEPTR) or device precluding typical placement of defibrillator electrode pads)
6. Altered skin integrity in areas where defibrillator electrode pads would be placed

Minimum Eligible Age

6 Months

Maximum Eligible Age

17 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No