Regional Haemodynamic Changes in Radial Artery Assessment With Continuous Pulsed-wave Doppler Ultrasound

• Status: Withdrawn
• Trial end date: 2020-09-20
• Target enrollment: 0
• Participant gender: All

Summary

The objective of the trial was to evaluate velocity-associated parameters of pulsed-wave Doppler ultrasound at induction, discharge from the post-anaesthesia care unit and during inspiratory cough in addition to the consumption of phenylephrine during the operation in patients undergoing video-assisted thoracic surgery with three types of anaesthesia management.

• Phase: Phase 4
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: China Medical University, China
• Treatments: Anesthetics; Dexmedetomidine; Lidocaine; Ropivacaine

Criteria

Inclusion Criteria:

1. ethnic Chinese;

2. age, 18 to 65 years old;

3. American Society of Anaesthesiologists (ASA) physical status I or II;

4. required VATS for lung surgery and one lung ventilation .

Exclusion Criteria:

body mass index exceeding 30 kg/m2; Patients with a history of hypertension, diabetes mellitus or arteriosclerosis; and any allergy to drugs used in the study.

Patients with arrhythmias or implanted cardiac pacemakers were excluded. Patients with diseases of the central or peripheral nervous system were excluded.

Patients taking medications affecting the autonomic nervous system, such as b-blockers and calcium channel blockers