Actively Recruiting

All Genders
ID06310486

The Emergency Call on Drowning: A Registry-based Cohort Study of the Characteristics, Predictors, and Outcomes of Fatal and Non-fatal Drowning

Led by Prehospital Center, Region Zealand · Updated on 2025-06-04

1500

Participants Needed

1

Research Sites

N/A

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are investigating characteristics related to patients, settings, callers, and dispatchers involved in drowning-related emergency calls to the Emergency Medical Dispatch Centre. The study aims to understand factors influencing survival 30 days after drowning incidents, analyzing both out-of-hospital cardiac arrest (OHCA) cases and non-OHCA drowning cases separately. The study also plans to assess potential barriers to optimal emergency response by qualitatively reviewing the emergency calls if possible. This research is a registry-based cohort study using data from the Danish Prehospital Drowning Data linked with audio and electronic records from emergency calls. The data collection is conducted in phases: starting with reviewing sample calls to identify important variables, followed by testing and refining data collection methods, and finally collecting comprehensive data on all drowning-related emergency calls. Emergency calls are categorized as either OHCA or non-OHCA for analysis. Participants' involvement includes their data being collected and analyzed from emergency call records and registries, with follow-up to determine survival status 30 days after the drowning event. The study measures characteristics related to patients, settings, callers, and dispatchers that may influence survival outcomes. The study spans from initial call review through data collection and follow-up, aiming to better understand drowning emergency responses and outcomes.

CONDITIONS

Brief Title

The Emergency Call on Drowning

Who Can Participate

All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Patients of all ages registered in the Danish Prehospital Drowning Data are eligible
Not Eligible

You will not qualify if you...

  • Obvious clinical signs of irreversible death such as decapitation, decomposition, post-mortem lividity, or rigidity
  • A valid Do-Not-Attempt-Resuscitation (DNAR) order or other orders limiting life-sustaining therapies
  • Missing or corrupted audio files
  • Missing identification number
  • Missing 30-day survival data

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person or remote) to confirm eligibility based on medical records and data availability

Diagnostic Evaluation

Duration - Up to 30 days after the drowning incident

Participants' drowning-related emergency medical calls are reviewed and analyzed by independent reviewers to identify and collect relevant data on emergency call characteristics.

Data collection involves analysis of audio files and electronic records without additional participant visits

Long-term Monitoring

Duration - 30 days

Participants are monitored for survival status and outcomes for up to 30 days following the drowning incident.

No visits; follow-up data collected via registries and databases

Trial Site Locations

Total: 1 location

1

Prehospital Center Region Zealand

Næstved, Denmark, 4700

Actively Recruiting

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Research Team

N

Niklas Breindahl, MD, PhD

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

2

Frequently Asked Questions

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Published Research Related To This Trial

Characteristics and critical care interventions in drowning patients treated by the Danish Air Ambulance from 2016 to 2021: a nationwide registry-based study with 30-day follow-up.

Niklas Breindahl, Signe A Wolthers, Thea P Møller...

https://pubmed.ncbi.nlm.nih.gov/38448994