350
Participants
Start Date
July 31, 2025
Primary Completion Date
December 31, 2025
Study Completion Date
December 31, 2025
Peripheral venous blood
Peripheral venous blood was collected before and after the surgery to measure the total serum calcium levels.
Arterial blood
Arterial blood was collected before anesthesia induction and after removal of the artificial airway to measure ionized calcium levels.
RECRUITING
The Second Affiliated Hospital of Chongqing Medical University, Chongqing
The Second Affiliated Hospital of Chongqing Medical University
OTHER