Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Interventional
Official Title: Influence of Variations of Systemic Venous Return on Analgesia Nociception Index (ANI) During General Anaesthesia
Brief Summary: The purpose of this study is to determine whether the value of analgesia nociception index (ANI) is influenced by variations of systemic venous return (cardiac preload) under general anaesthesia.