The Effect of Trendelenburg Position on CCA Blood Flow

Seoul National University

Status: Completed

Conditions: Perioperative/Postoperative Complications; Perfusion

Study type: Observational

Funder types: Other

Identifiers

NCT04233177

CCA-BF

Details and patient eligibility

About

The investigators will evaluate the change of the common carotid artery blood flow according to patient's position and penumoperitoneum.

Full description

The study will include 20 patients undergoing gynecological surgery. The common carotid artery blood flow will be measured using Doppler US during the following conditions; supine position before induction of anesthesia, supine position immediately after induction of anesthesia, supine position with penumoperitoneum, head-down position with or without pneumoperitoneum.

Enrollment: 20 patients

Sex: All

Ages: 20 to 70 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• ASA class I,II
• patients undergoing gynecology surgery under trendelenburg position
• Age ranges from 20 to 70

Exclusion criteria

• BMI > 32
• Pregnancy
• Patients who did not agree to study
• Patients with allergies to the drugs used in this study
• Patients with anatomical variations or lesions in cervical or cranial vascular portion
• Patients with arrhythmia that may alter patient's cardiac output(e.g. artrial fibrillation)