Hand Position, CPR Quality and Rescuer Comfort

NCT07825805 | Recruiting

• 1 other identifier: CPR hand position
• Study Type: interventional
• Target: 100
• Locations: 1 country
• Sites: 1

Brief Summary

This randomized crossover simulation study will compare two hand positions used during chest compressions: interlocked fingers and non-interlocked hands placed one on top of the other. The study will evaluate whether the non-interlocked hand position is non-inferior to the interlocked-finger technique with regard to chest compression depth, and will compare the two techniques in terms of CPR quality, rescuer comfort, fatigue, pain or discomfort, and perceived hand-position stability.

Conditions

Cardiac Arrest (CA)

Keywords

cardiac arrest; cardiopulmonary resuscitation; chest compression; hand position

Outcome Measures

Primary Outcomes (1)

• Mean chest compression depth (mm)

  Mean chest compression depth recorded continuously by the manikin's integrated measurement system during CPR performance.

  During procedure.

Secondary Outcomes (12)

• Chest compression rate (per minute)

  During procedure.

• Proportion of compressions with adequate depth (%)

  During procedure.

• Proportion of compressions with complete chest recoil (%)

  During procedure.

• Interruption duration (sec)

  During procedure.

• Overall chest compression quality score (points, mean, SD)

  During procedure.

Study Arms (2)

Interlocked fingers

EXPERIMENTAL

Participants will perform continuous chest compressions using the interlocked-finger hand position. One hand will be placed on the lower half of the sternum, with the other hand placed on top and the fingers interlocked. Chest compressions will be performed for 2 minutes according to current international CPR recommendations, targeting a compression depth of 5-6 cm, a rate of 100-120 compressions per minute, and complete chest recoil after each compression. No real-time feedback from the manikin will be provided during the measurement.

Behavioral: Interlocked-finger chest compression technique

Overlapped hands

ACTIVE COMPARATOR

Participants will perform continuous chest compressions using the non-interlocked hand position. One hand will be placed on the lower half of the sternum, with the other hand placed directly on top without interlocking the fingers. Finger contact between the two hands will be permitted, but active interlocking will not be performed. Chest compressions will be performed for 2 minutes under the same conditions as the interlocked-finger condition, targeting a compression depth of 5-6 cm, a rate of 100-120 compressions per minute, and complete chest recoil after each compression. No real-time feedback from the manikin will be provided during the measurement.

Behavioral: Overlapped hands chest compression technique

Interventions

Interlocked-finger chest compression technique BEHAVIORAL

Participants will perform chest compressions using the interlocked-finger hand position. One hand will be placed on the lower half of the sternum and the other hand on top, with the fingers interlocked. The intervention will consist of 2 minutes of continuous chest compressions performed at a target rate of 100-120 compressions per minute and a target depth of 5-6 cm, with complete chest recoil after each compression. No real-time feedback will be provided.

Interlocked fingers

Overlapped hands chest compression technique BEHAVIORAL

Participants will perform chest compressions using the non-interlocked hand position. One hand will be placed on the lower half of the sternum and the other hand on top without interlocking the fingers. The intervention will consist of 2 minutes of continuous chest compressions performed under the same conditions as the interlocked-finger technique, with a target rate of 100-120 compressions per minute, a target depth of 5-6 cm, and complete chest recoil after each compression. No real-time feedback will be provided.

Overlapped hands

Eligibility Criteria

• Age: 18 Years+
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• Adults aged 18 years or older
• Healthcare professionals or laypersons
• Physically able to perform chest compressions
• Able and willing to provide written informed consent to participate in the study

You may not qualify if:

• Acute injury of the upper extremities
• Chronic musculoskeletal disease or symptoms that may interfere with the ability to perform chest compressions with adequate quality
• technical issue during data collection

Sponsors & Collaborators

• University of Pecs: lead

Study Sites (1)

University of Pécs

Pécs, 7621, Hungary

RECRUITING

MeSH Terms

Conditions

Heart Arrest

Condition Hierarchy (Ancestors)

Heart Diseases; Cardiovascular Diseases

Study Officials

• Bálint Bánfai, PhD

  University of Pécs Faculty of Health Sciences

  PRINCIPAL INVESTIGATOR

Central Study Contacts

Bálint Bánfai, PhD

CONTACT

+3672501-500; balint.banfai@etk.pte.hu

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: NONE
• Masking Details: The primary outcome data will be analyzed using coded intervention labels, with the allocation key withheld from the data analyst until the prespecified primary analysis has been completed.
• Purpose: TREATMENT
• Intervention Model: CROSSOVER
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: associate professor

Model Details: Participants will be randomized to one of two treatment sequences. In Sequence A, participants will perform chest compressions using the interlocked-finger hand position followed by the non-interlocked hand position. In Sequence B, the order will be reversed. Each intervention period will last 2 minutes and will be separated by a 10-minute seated rest period.

Study Record Dates

• First Submitted: September 11, 2026
• First Posted: September 17, 2026
• Study Start (Estimated): October 15, 2026
• Primary Completion (Estimated): February 15, 2027
• Study Completion (Estimated): March 15, 2027
• Last Updated: September 21, 2026

Record last verified: 2026-09

Data Sharing

• IPD Sharing: Will share
• Shared Documents: STUDY PROTOCOL, SAP, ICF
• Time Frame: Beginning upon publication of the primary results of the study and with no planned end date.
• Access Criteria: Data may be requested from the corresponding author for scientifically justified research purposes. Requests will be reviewed by the research team and will be considered subject to applicable ethical, legal, and data protection requirements. Data may only be shared in a de-identified form and subject to appropriate conditions for data use.

Locations

HU (1)