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Increased CK-BB concentrations in serum following cardiac surgery
Summary
Cardiac surgery patients showed a rapid increase in creatine kinase-BB (CK-BB) levels immediately after the procedure. Levels returned to normal within four days, suggesting CK-BB release after myocardial injury.
Area of Science:
- Biochemistry
- Cardiology
- Clinical Chemistry
Background:
- Creatine kinase isoenzymes, including CK-BB, are indicators of cellular damage.
- Understanding the release kinetics of CK-BB post-cardiac surgery is crucial for assessing myocardial insult.
Purpose of the Study:
- To measure the levels of the BB isoenzyme of creatine kinase (CK-BB) in patients' serum after cardiac surgery.
- To determine the temporal pattern of CK-BB release and return to baseline following the surgical procedure.
Main Methods:
- Serum samples were collected from 47 patients undergoing cardiac surgery.
- A specific radioimmunoassay technique was employed to quantify CK-BB levels.
Main Results:
- A significant and immediate rise in serum CK-BB was observed post-cardiac surgery.
- CK-BB levels demonstrated a rapid decline, returning to baseline by the fourth post-operative day.
Conclusions:
- The data indicate that CK-BB is released into the bloodstream subsequent to myocardial insult.
- The observed pattern of CK-BB release supports its role as a biomarker for cardiac injury post-surgery.