The Effect of Serum Calcium Levels on Postoperative Pain: A Prospective Observational Study

Recruiting now

Conditions studied: Postoperative Pain

In brief

This is a prospective observational study. To investigate the effect of serum calcium levels on postoperative pain in patients undergoing abdominal surgery, and to determine whether changes in serum calcium levels are a risk factor for postoperative pain.

Key facts

Study ID

NCT06957158

Run by

The Second Affiliated Hospital of Chongqing Medical University

People needed

350

Starts

2025-07-01

Expected to finish

2025-12-01

Last updated by the study team

2025-06-27

Who can join

Age: 18 and older, up to 70. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Aged 18-70 years old
• American Society of Anesthesiologists Classification I-III
• Patients undergoing elective abdominal surgery under general anesthesia
• Patients participate voluntarily and sign an informed consent form

You may not qualify if…

• Patients with a history of severe disease
• Patients with chronic preoperative pain and/or long-term analgesic use
• Patients with hearing disorders or verbal communication difficulties
• Patients with psychiatric disorders or cognitive dysfunction
• Patients requiring mechanical ventilation or ICU admission after surgery
• Patients with a history of substance or alcohol abuse Patients who could not cooperate with the study for any reason

Where it is running

• The Second Affiliated Hospital of Chongqing Medical University — Chongqing, Chongqing Municipality, China (enrolling)

Full record on ClinicalTrials.gov

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