Does pericardial fluid have more immune cells like CD8+ T cells and NK cells than blood in people having heart surgery?

General Health1 min readUpdated May 3, 2026

What the Evidence Shows

What we've found so far is that pericardial fluid may contain higher levels of certain immune cells compared to blood in people undergoing heart surgery. The evidence we've reviewed leans toward this idea, based on the data currently available [1].

Our analysis of the available research shows that...

Evidence from Studies

Supporting (0)
No supporting evidence found
Contradicting (0)
No contradicting evidence found
Primary Studies (1)

Update History

Published
May 3, 2026·Last updated May 3, 2026

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