Preoperative Evaluation of IVC Collapsibility Index and Caval Aorta Index After Induction of General Anesthesia
Trial Parameters
Brief Summary
This study aims to assess the accuracy, repeatability, and reproducibility of preoperative evaluation of Inferior Vena Cava (IVC) collapsibility index and caval aorta index for prediction of hypotension after induction of general anesthesia.
Eligibility Criteria
Inclusion Criteria: * Age from 18 to 40 years. * Both sexes. * Body Mass Index\< 40 kg/m². * American Society of Anesthesiologists (ASA) physical status I, II. * Fasted according to the ASA guidelines: 2 hours for clear fluids, 6 hours after light meal, 8 hours after a full meal with high calorie or fat content. * Scheduled for elective craniotomy surgeries before induction of general anesthesia. Exclusion Criteria: * Current or recent pregnancy (within 3 months). * Pre-existing cardiac disease or hypertension. * On medications affecting blood pressure \[Beta-blockers (BBs) and calcium channel blockers (CCBs)\] . * Refusing to undergo the study.