Nerve blocks are used for pain and surgery after many operations today. It has been demonstrated by studies that the amount of postoperative bleeding decreases. On the other hand, surgical teams can use additional medications, such as Tranexamic acid, which have been proven by different studies that have reduced bleeding during and after arthroscopic surgery.

The investigators aimed to investigate the effect of interscalene block application and tranexamic acid on bleeding in shoulder arthroscopy operation.

Inclusion Criteria:

• Patients who were in the American Society of Anesthesiologists (ASA) I-III class
• underwent elective shoulder arthroscopy
• Patients with consent to participate in the study

Exclusion Criteria:

• history of arterial or venous thromboembolic disease
• Bleeding diathesis disorder
• Allergy to local anesthetics
• cardiac stent placement