NCT07094295

Perioperative Blood Transfusion and Increased One-year Mortality

Association of Perioperative Blood Transfusion With Increased One-year Mortality After Surgery: a Retrospective Propensity Score-Matched Cohort Study

• Status: Completed
• Phase: —
• Study type: Observational
• Enrollment: 97,443 (actual)
• Sponsor: Changhai Hospital · Academic / Other
• Sex: All
• Age: 18 Years
• Healthy volunteers: —

Summary

The goal of this retrospective observational study is to explore the association of perioperative blood transfusion with increased one-year mortality in patients undergoing surgeries. The main question it aims to answer perioperative blood transfusion is associated with increased one-year mortality across various surgical settings. We will retrospectively collect the clinical data (including one-year mortality) in patients with perioperative blood transfusion or not and analysis the association between perioperative blood transfusion and one-year mortality after surgery.

Conditions

• Mortality, Perioperative Blood Transfusion, Propensity Score, Retrospective Study, Surgery

Interventions

Type	Name	Description
OTHER	perioperative blood transfusion	The PBT group received the red blood cell concentrate units during surgery and up to one month postoperatively.

Timeline

• Start date: 2012-01-01
• Primary completion: 2016-10-31
• Completion: 2016-10-31
• First posted: 2025-07-30
• Last updated: 2025-07-30