Surgery under general anesthesia, epidural anesthesia, or spinal anesthesia
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients who underwent surgery under general, epidural, or spinal anesthesia at the University of Tsukuba Hospital from April 1, 2012 to March 31, 2023.
Exclusion criteria
Exclusion criteria: Second or subsequent surgeries during hospitalization. Patients with missing or erroneous data.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Amount of blood loss | — |
Secondary
| Measure | Time frame |
|---|---|
| transfusion or no transfusion, amount of blood transfusion | — |
Countries
Japan
Contacts
University of Tsukuba Tsukuba Clinical Research & Development Organization