Which of the following is considered a potential marker for serious donor complications?

The choice of creatinine levels as a potential marker for serious donor complications is well-founded in the context of organ transplantation. Creatinine is a waste product produced by muscle metabolism and is often measured to assess kidney function. Elevated creatinine levels can indicate impaired kidney function, which may arise due to various factors, including organ injury, dehydration, or poor perfusion.

In the context of donor complications, monitoring creatinine levels becomes crucial. For instance, if the donor has sustained kidney injury or if there are issues with the perfusion or viability of the kidney during the transplantation process, this can be reflected in increased creatinine levels. Therefore, clinicians closely observe these levels to identify and mitigate potential complications that could compromise the donor's health and the success of the organ transplant.

While blood glucose levels, diastolic blood pressure, and electrolyte balance are also important parameters in evaluating a donor's overall health, they do not directly correlate with the specific challenges and implications related to kidney function as distinctly as creatinine levels do. Thus, creatinine is recognized as a key marker when assessing potential complications in a donor.