Changes of platelet count in patients undergoing cardiac surgery under extracorporeal circulaton
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Select adult patients with complete cardiac surgery data under elective cardiopulmonary bypass at the Affiliated Hospital of North Sichuan Medical College from January 2018 to July 2021; 2. The number of platelets before surgery is (100-300) x 10^9/L; 3. ASA classification II-III.
Exclusion criteria
Exclusion criteria: 1. Those who received platelet transfusions before, during and after surgery; 2. Antiplatelet drugs and/or thrombopoietic drugs were used before surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| platelet count;mean platelet volume;monocyte absolute value; | — |
Secondary
| Measure | Time frame |
|---|---|
| type of surgery;blood loss during surgery;quantity and type of blood products transfused during surgery;doses of heparin;dose of protamine; | — |
Countries
China
Contacts
Affiliated Hospital of North Sichuan Medical College