Randomized controlled trial reveals carbohydrate loading does not significantly impact insulin resistance in cardiac surgery, suggesting limited benefit.
Preoperative oral carbohydrate loading did not significantly affect perioperative glucose or HOMA-IR in cardiac surgery. While insufficient to counteract the magnitude of CPB-induced insulin resistance, carbohydrate loading may modestly stabilize metabolic responses, as reflected by a flatter insulin trajectory.
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Nur et al. (2026) studied this question.
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