Postoperative Anemia After Bariatric Surgery

Not yet recruiting

• Conditions: Anemia; Bariatric Surgery Candidate

• Registration Number: NCT06198790
• Lead Sponsor: China-Japan Friendship Hospital

Brief Summary

To investigate the real incidence of short and long-term anemia after bariatric surgery, and explore the risk factors.

Detailed Description

This study aims to investigate the real incidence of short and long-term anemia after bariatric surgery and explore the risk factors.

Study Timeline

• Study First Submitted: 2023-12-27
• Study First Submitted QC: 2023-12-27
• Status Verified: 2024-01
• Study First Posted: 2024-01-10
• Last Update Submitted: 2024-01-21
• Last Update Posted: 2024-01-23
• Study Start: 2024-02-01
• Primary Completion: 2026-12-31
• Study Completion: 2027-12-31

Recruitment & Eligibility

• Status: NOT_YET_RECRUITING
• Sex: All
• Target Recruitment: 400

Inclusion Criteria

• Patients who will undergo sleeve gastrectomy or Roux-en-Y gastric bypass
• Aged between 16 and 70 years
• Patients who is not diagnosed as anemia at baseline

Exclusion Criteria

• Patients who have anemia at baseline

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Incidence of anemia after 1, 3, 5, 10 years	10 years	Incidence of anemia after 1, 3, 5, 10 years

Secondary Outcome Measures

Name	Time	Method
Hazard ratios for the risk factors of postoperative anemia	10 years	Hazard ratios for the risk factors of postoperative anemia will be calculated by Cox regression model.
Incidence of anemia-related nutrient deficiencies	10 years	Incidence of folate, ferritin, vitamin B12, and iron deficiencies

Trial Locations

Locations (1)

Yuntao Nie; 🇨🇳 Beijing, China