A bedside score that could foretell heart surgery risks
NCT ID NCT07745283
First seen Aug 04, 2026 · Last updated Aug 05, 2026 · Updated 1 time
Summary
This study asks whether a simple bedside score, called the Vasoactive Inotropic Score (VIS), can help predict which adults are at higher risk of complications after heart surgery using a heart-lung machine. The score is calculated from the doses of heart-support medications a patient is already receiving, so no extra tests are needed. Researchers will measure VIS at several points in the first two days after surgery in 617 adults undergoing procedures like valve repair or coronary bypass. The goal is to see if early VIS readings can flag patients more likely to experience serious issues such as kidney injury, stroke, or the need for extra circulatory support.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If this score proves reliable, it could help doctors identify high-risk heart surgery patients earlier and monitor them more closely, potentially reducing serious complications.
- What could go wrong
- This is an observational study, so it can show links but not prove cause and effect. The score's usefulness may vary across different hospitals and patient groups.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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617 people
The number who actually took part.
- Started
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Oct 2018
- Finished
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Jun 2022
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Adult patients undergoing elective or semi-elective cardiac surgery requiring cardiopulmonary bypass at a single tertiary cardiac surgical centre in New Delhi, India, including valve surgery, coronary artery bypass grafting, combined procedures, and aortic surgery.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age 18 years or older * Undergoing elective or semi-elective cardiac surgery with cardiopulmonary bypass (CPB) Exclusion Criteria: * Required CPB solely for extracorporeal membrane oxygenation (ECMO) * Pre-operative left ventricular assist device (LVAD) in situ * Pre-operative intra-aortic balloon pump (IABP) support * Declined to provide consent
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Sir Ganga Ram Hospital
Delhi, National Capital Territory of Delhi, India
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