Investigation of changes in circulating blood volume after anesthesia in transcatheter heart valve surgery

JRCT ID: jRCT1010220038

Registered date:23/02/2023

Basic Information

• Recruitment status: Recruiting
• Health condition(s) or Problem(s) studied: Transcatheter heart valve surgery
• Date of first enrollment: 23/02/2023
• Target sample size: 100
• Study type: Observational

Outcome(s)

• Primary Outcome: Changes in circulating blood volume before and after awakening from anesthesia

Secondary Outcome

Patient background factors (operative technique, comorbidities, cardiac function)
Anesthesia information ( anesthetics used, vasoconstrictor dosage, blood pressure at sampling)

Key inclusion & exclusion criteria

• Age minimum: Not applicable
• Age maximum: Not applicable
• Gender: Both
• Include criteria: Patients undergoing transcatheter heart valve surgery (TAVI or Mitra Clip)

Exclude criteria

Patients who received blood transfusions before or after awakening from anesthesia
Patients with missing blood laboratory data

Related Information

• Primary Sponsor: Yoshikawa Yusuke