Plans for assessment and collection of outcomes {18a}
CRF
CRF
All investigators will be trained within the initiation visit. Training topics cover Good Clinical Practice, the study protocol, and OBAS and VAS assessment execution.The patient’s demographical data will be registered soon after the patient’s informed consent. The PECS II block will be performed by experienced anesthesiologists who have completed at least 50 procedures. All data will be collected using a paper-based CRF. The healthcare data of participants will be derived from the electronic patient file. All data will be stored for 15 years, and results will be published in scientific journals.