Temporal trends in heart transplantation from high-risk donors: are there lessons to be learned? A...

Area of Science:

• Cardiology
• Transplant Surgery
• Public Health Initiatives

Background:

• The Organ Donation Breakthrough Collaborative (ODBC) was launched in 2003 by the Department of Health and Human Services to enhance organ donation rates.
• While the ODBC saw success in increasing the transplantation of most solid organs, its impact on heart donation, particularly from high-risk donors, remained unclear.

Purpose of the Study:

• This study aimed to investigate whether the ODBC initiative led to temporal shifts in the utilization of hearts from high-risk donors.

Main Methods:

• A retrospective analysis of the Cardiac Transplant Research Database was conducted, examining data across three distinct periods: 1990-1995, 1996-2002, and 2003-2007.
• Key high-risk donor characteristics analyzed included donor age, gender, history of hypertension and diabetes mellitus, presence of structural abnormalities on echocardiogram, and graft ischemic time.

Main Results:

• Between 1990 and 2007, 7,220 heart transplantations were performed across 26 centers.
• The second era (1996-2002) showed a significant increase in the use of donors with high-risk characteristics (e.g., older age, hypertension, diabetes, abnormal echocardiograms, longer ischemic times).
• In the third era (2003-2007, post-ODBC), there was no further increase in high-risk donor utilization; instead, a trend towards avoiding such donors was observed.

Conclusions:

• Significant temporal changes in heart donor characteristics have been identified over a 17-year period.
• The observed trends in high-risk donor utilization in the post-ODBC era could not be directly attributed to the collaborative's efforts.