The Impact of Preoperative Anemia on Postoperative Anemia and Related Nutrient Abnormalities After Bariatric Surgery

China-Japan Friendship Hospital

Status: Completed

Conditions: Anemia; Bariatric Surgery

Study type: Observational

Funder types: Other

Identifiers

NCT06218953

CJBariatric004

Details and patient eligibility

About

This study aims to assess the impact of preoperative anemia status on anemia and related nutrient abnormalities 1 year after bariatric surgery.

Full description

This study aims to assess the impact of preoperative anemia status on anemia and related nutrient abnormalities (ferritin deficiency, vitamin B12 deficiency, folate deficiency, and low transferrin saturation level) at 1 year after bariatric surgery.

Enrollment: 400 patients

Sex: All

Ages: 16 to 70 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Patients who underwent bariatric surgery (sleeve gastrectomy and Roux-en-Y gastric bypass)
• Age between 16 and 70 years
• Patients who have complete 1-year follow-up data

Exclusion criteria

• Baseline renal failure
• Vegetarian
• Postoperative bleeding (it was defined as a drop in hemoglobin levels > 3 g/dL or a confirmed blood loss requiring treatment after surgery)