dangerous placenta previa
Conditions
Interventions
intraoperative cell salvage group:Autologous blood transfusion without leukocyte filter
Non-transfused control group:No blood transfusions or blood products were given
White blood cell filter set:Autologous blood was transfused and filtered through a leukocyte filter
Allogeneic blood transfusion group:Transfusion of allogeneic blood as needed
Sponsors
Tianjin Central Hospital of Gynecology and Obstetrics
Eligibility
Sex/Gender
Female
Age
20 Years to 39 Years
Inclusion criteria
Inclusion criteria: 1. Age 20-39 years old, ASA physical status classification II. 2. Estimated intraoperative blood loss =500ml. 3. Normal mental state, no communication barriers. 4. Aware of this study, voluntarily enrolled, with good compliance, and actively cooperating with the research
Exclusion criteria
Exclusion criteria: 1. RH negative blood type. 2. Patients with cardiovascular system, autoimmune system, endocrine and other systemic organ functional diseases, or acute fatty liver /HELLP syndrome. 3. Anticoagulation, antiplatelet and other related drugs were used two weeks before surgery, or preoperative platelet < 50 × 109 /L or preoperative PT and APTT were prolonged by more than 1.5 times. 4. Women who received allogeneic blood transfusion 3 months before surgery or participated in other clinical trials during pregnancy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Metabonomics;Fetal and amniotic fluid components; | — |
Secondary
| Measure | Time frame |
|---|---|
| Inflammatory factor;Blood routine examination;Blood clotting function test; | — |
Countries
China
Contacts
Public ContactZhiqiang Yu
Tianjin Central Hospital of Gynecology and Obstetrics
Outcome results
None listed