intraoperative
adjective /ˌɪntrəˈɒpərətɪv/
  /ˌɪntrəˈɑːpərətɪv/
[only before noun] (medical)- that happens or is done during a medical operation
- There is a low risk of intraoperative complications.
 - an attempt to measure the effectiveness of intraoperative nursing care