Estimation of CPR Chest Compression Depth

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

Clinical Phase

NA

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-10-31

Study Completion Date

2017-08-07

Brief Summary

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Optimal chest compression depth during CPR is 4.56cm which is at variance with the current guidelines of 5.0-6.0cm. A change in guidelines is only worthwhile if healthcare professionals can accurately judge a subtle reduction in chest compression depth during CPR by a relatively small amount.

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Detailed Description

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Chest compression depth and rate during cardiopulmonary resuscitation (CPR) are important predictors of return of spontaneous circulation and survival following cardiac arrest. Stiell et al (2014) found optimal survival at a compression depth of 4.56cm, which is at variance with the current guidelines of 5.0-6.0cm. A change in guidelines is only likely to improve survival rates if healthcare professionals can accurately implement these subtle depth modifications into the basic life support (BLS) algorithm. This study aims to determine if healthcare professionals can accurately judge compression depth without real-time feedback.

Conditions

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Cardiac Arrest

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

SEQUENTIAL

Prospective, randomised.

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Participants and researchers are blinded to the actual depth achieved during each CPR run.

Study Groups

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Target compression depth 4.0-5.0 cm

The rescuer is asked to perform two minutes of chest compressions on a manikin, aiming to compress to the target depth at a rate of 100-120/min

Group Type EXPERIMENTAL

Compression depth

Intervention Type BEHAVIORAL

Target compression depth 4.5-5.5 cm

The rescuer is asked to perform two minutes of chest compressions on a manikin, aiming to compress to the target depth at a rate of 100-120/min

Group Type EXPERIMENTAL

Compression depth

Intervention Type BEHAVIORAL

Target compression depth 5.0-6.0 cm

The rescuer is asked to perform two minutes of chest compressions on a manikin, aiming to compress to the target depth at a rate of 100-120/min

Group Type EXPERIMENTAL

Compression depth

Intervention Type BEHAVIORAL

Interventions

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Compression depth

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* NHS professionals (staff or students), who have successfully completed a hospital-accredited basic life support (BLS) course, including a practical CPR component.