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Updated: Feb 18, 2026

Pre-clinical Model of Cardiac Donation after Circulatory Death
Published on: August 2, 2019
Uncontrolled donation programs after out-of-hospital cardiac arrest. An estimation of potential donors
Jose Maria Navalpotro-Pascual1, Alfredo Echarri-Sucunza2, Alonso Mateos-Rodríguez3
1SUMMA 112, Madrid, Spain.
Objective:
To determine the number of potential deceased organ donors from out-of- hospital cardiac arrest cases (OHCA) attended by public physician-led emergency medical services in Spain, based on data recorded in the nationwide Spanish OHCA Registry (OHSCAR).
Material And Methods:
We analysed OHSCAR data on deceased OHCA patients in Spain during 13 months (1/10/2013 to 31/10/2014). Variables included age, sex, estimated OHCA time, cardiopulmonary resuscitation (CPR) start time and outcome. Inclusion criteria were: age 16-60 years, witnessed OHCA, no return of spontaneous circulation (ROSC) and time interval <15min between OHCA occurrence and CPR initiation.
Results:
Of a total 8789 cases, 3290 met the age criteria; of these, CPR was not witnessed in 745 cases. Among the remaining 2545 patients, 141 were included in uncontrolled donation after cardiac death (uDCD) programs, 902 arrived at the hospital with ROSC, 64 arrived with ongoing CPR and 15 cases were lost to follow-up. Of the remaining 1423 without ROSC, CPR initiation time was not recorded in 454 cases and 398 did not meet the time criteria <15min between OHCA and CPR initiation. Finally, 571 met all the criteria and could have been potential donors. There were significant differences in the actual donors percentage from potential donors percentage between provinces with and without donor programs (141/322=43.8% versus 0/390=0%), but there were no differences in ROSC between the two types of provinces (418/1320=31.7% versus 652/1970=33.4%).
Conclusions:
Many potential donors are missed in current clinical practice. uDCD programs are few and underused even in a country with high rates of organ transplantation.
Insights
Many potential organ donors are missed in Spain due to underused uncontrolled donation after cardiac death (uDCD) programs. This study identified 571 potential deceased organ donors from out-of-hospital cardiac arrest (OHCA) cases, highlighting a gap in donation practices.
Area of Science:
- Emergency Medicine
- Transplantation Medicine
- Public Health
Background:
- Out-of-hospital cardiac arrest (OHCA) represents a significant source of potential deceased organ donors.
- Spain has high organ transplantation rates, but the utilization of donors from OHCA is not well-defined.
- Current clinical practices may miss opportunities for organ donation from OHCA patients.
Purpose of the Study:
- To quantify the number of potential deceased organ donors from OHCA cases attended by emergency medical services in Spain.
- To assess the feasibility of uncontrolled donation after cardiac death (uDCD) programs in this population.
Main Methods:
- Analysis of data from the Spanish OHCA Registry (OHSCAR) for deceased OHCA patients between October 2013 and October 2014.
- Inclusion criteria: age 16-60, witnessed OHCA, no return of spontaneous circulation (ROSC), and time from OHCA to cardiopulmonary resuscitation (CPR) initiation <15 minutes.
- Comparison of actual donor rates between provinces with and without established uDCD programs.
Main Results:
- Out of 8789 OHCA cases, 571 met all criteria to be considered potential donors.
- Only 141 of these potential donors were actually included in uDCD programs.
- Provinces with uDCD programs had significantly higher donor utilization rates (43.8%) compared to those without (0%).
Conclusions:
- A substantial number of potential organ donors are missed in current clinical practice following OHCA.
- Uncontrolled donation after cardiac death (uDCD) programs are underutilized in Spain, despite the country's high transplantation rates.
- There is a need to expand and optimize uDCD programs to improve organ donor yield from OHCA events.
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