Zhuan Zhang
Clinical trials sponsored by Zhuan Zhang, explained in plain language.
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Heart surgery brain fog: is a backup of blood to blame?
Knowledge-focused Recruiting nowThis study is looking at whether a backup of blood in the veins during heart surgery is linked to memory and thinking problems after the operation. Researchers will follow 110 adults having planned heart surgery and test their thinking skills before and after. The goal is to unde…
Sponsor: Zhuan Zhang • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:02 UTC
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Heart surgery brain risk: could vein backup be the culprit?
Knowledge-focused Recruiting nowThis study looks at whether a backup of blood in the veins during heart surgery is linked to confusion (delirium) after the operation. Researchers will monitor 120 adults having planned heart surgery. The goal is to understand this possible connection, not to test a new treatment…
Sponsor: Zhuan Zhang • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:06 UTC
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Hidden danger in heart surgery: blood stasis may signal kidney risk
Knowledge-focused Recruiting nowThis study looks at whether blood backing up in the veins during heart surgery can predict acute kidney injury. Researchers will monitor 114 adults having elective heart surgery, using ultrasound to check for venous congestion. The goal is to find an early warning sign to prevent…
Sponsor: Zhuan Zhang • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:58 UTC