Fasting before surgery: safe or risky?
NCT ID NCT01258361
First seen Nov 17, 2025 · Last updated May 16, 2026 · Updated 30 times
Summary
This study looked at whether not eating before surgery (preoperative fasting) causes low blood volume. 100 patients scheduled for gynecological or visceral surgery had their blood volume checked with an echocardiogram before and after fasting. The goal was to see if fasting increases the risk of hypovolemia, which is when the body doesn't have enough blood.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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Centre Hospitalier Universitaire de Nîmes
Nîmes, Gard, 30029, France
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